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NOMS, 1946.
M_ HATTAN
i
-
2,410,44È
FASTENER ASSEMBLY
. Filed Jan. 11, 1944
§
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l
' nvr/lamme.>
Fatented Novgâ..
.
i
y
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2,410,441
l
rAsrENEn Assniigmtr'
Mark Hatten, Dayton, Ohio
Apoiicationiannary ln., 194i; serial-No. '517,303
,
i
arenile-s. 'iones-.221i _
(ommen @ed 'the set of March s, 183s,- as
amended Apriißi), 1928; 3700. G. 757)
2
The invention described herein may be 'man_
ufactured and used by or for the Government for
governmental purposes, without the' payment to
me of any royalty thereon.
'
1
`^
`
operate over long periods of time with freedom
~ from all- diñiculties.
With these and other objects in mind, refer
i
This invention relates to a fastener assembly
to be employed to securely fasten members such e
as sheets, one to the other and so that they willl .
ence is had to the attached sheet of drawings il
lustrating one practical embodiment of the in
' vention, and in which:
f
Fig. 1 is a sectional side view of a fastener as
sembly taken on the line i-i of Fig. 2 and show
normally be free of relative movements. At the
same time, the fastener will permit of a’readyv - - ing the parts in fully locked condition;
detachment of 'these members when such de l0 A Fig. 2 is abottom plan view thereof;
. tachment is desired.
Fig. 3 is a transverse sectional View taken along
It is an object of the invention to lfurnish an I» the lines 3_3 and in the direction of the arrows
assembly of this character 'in which the several
as indicated in Fig. 1;
«
`
parts may _be adjusted with minimum effort and
. Fig. 4 is a sectional view taken along the lines
in a manner such that the members with which 15 e-ä and in the direction of the arrows as also
they are associated will be retained iminovablyr`
with respect to each other.
A further object is that of designing a fastener
assembly, the parts of which may readily be «freed
indicated in Fig. l;
` Fig. 5 is a sectional view taken on the line 5_5
of Fig.~ 2 showing the parts ina position in which
the detent or projection 3i is riding on the plate
from each other when detachment of ‘the mem
bers is desired. .
20 28 intermediate the recesses 312 and 32'; ,
"
An additional object is that of furnishing' a ‘ ‘
structure of this 'type-and‘in which, when the i
Fig-6 is a transverse sectional plan view taken
along the lines d-â and in the direction _of the
` arrows as indicated in Fig. 3.
parts are once coupled, an accidental detachThroughout the several views, the fastener as- Y
ment of thosev parts »will be substantially pre 25 sembly has been shown in association with sheets
cluded.
'
.
A still further object is that oi providing'a ias»l
of material- i@ and il; it being assumed that
these sheets are to be secured against movement Y
tener of a universal type adaptable' to fastening
with respect to each other. lt will be appreciated
parts of‘varying thickness or size and without
that such illustration is merely illustrative and
theneed of the user of the fastener adjusting 30 not to be taken in a limiting sense, in that the
any parts at the time of the fastening operation.
fastener might readily be associated with various
'Another object is toprovide a fastener. of the
other` types of members vfor the same purpose.
above type in which certain of the cooperatingv '
In any event, members to be'coupled will be
elementsA are iloatingly secured to one oi’ the’
‘ formed with apertures or recesses to receive the
members,.such as sheetsto be fastened together, 35 parts of the assembly and in the case 'of sheets
said iloating elements being self-centering with
the outermost should preferably be Á“dimpled" as
respect to another cooperating element adapted . indicated at i2. This dimpling deñnes the aper
to be interlockingly engaged with the floating
ture I 2a of sheet it while the aperture i 3 of sheet
elements for securing the members, suoli as
sheets, together.
Another object is toprovide a fastener oi this
type in which means isprovided for audibly sig
naling the locked and unlocked conditions of the
il may simply be a circular opening. By such a
40. construction, the depressed portion or dimple i2
may extend into and, in fact, beyond the plane
of the sheet ii, and the head Id of the operat- .
‘cooperating elements.
Another object of the invention is to provide a
ing stud 9 of the assembly maybe substantially
housed within the depressed portion provided by
the dimple 2.
manufacture by' quantit" production -methods
and being thereupon susceptible1 to assemblage by
preferably ñared to extend at an angle corre
sponding to that of the dimpling I2 and so that a
ït is preferred that a stud,A in accordance with ,
fastener of the character referred to having a
the teachings of the present invention, include a
maximum of strength per unit weight or size.
Another object is that of furnishing a struc i Y head portion it which may be formed with a
recess or groove i5 of any desiredvconfiguration
ture of this'nature which will include relatively 50 to
receive one of a number oi' suitable operating
few parts, each individually simple _andrugged
implements, and by means of which it may be
indesign, these parts vbeing capable ofv ready
a simple procedure to furnish Aa unit which will
turned. The under face ita` of the head id is
`faceftc»-iîaoe contact of these parts results. The
2,410,441
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3
4
opening 88, however, is preferably of a suihcient-y
shank I5 of the stud A9 conveniently has` its end
ly large area' that a loose ilt between the parts ,
portion tapered, as indicated at Ila and Hb; to
28 and I5 is assured. Accordingly, with the plate
substantially a point, as indicated at Il. to pro
28
disposed upon the ñange 28,0: the nut 25 and
vide a guide structure for the stud. Moreover.
the 'stud 9 presents a relatively narrow and Cn the opening 38 aligned with the grooves or inter
rupted portions 21` of the threads 25, the stud
llattene'd shank portion I5, the side »edges of
9 may freely be inserted into and withdrawn from
` which are threaded es indicated et is, while the
the assembly.
'
'
side faces I9 thereof are plane and preferably
A detent structure is furnished by conveniently
flattened as seen in Fig. 3.
_
’
striking out a projection or rib 3| from the un
` Secured to one of the sheets or members Ii is
Íder face of'the plate 28 and forming the -upper
retaining means for cooperation with the stu'd 9
to secure sheets I8 and |I together;
face of the flangel 29 with a pair of recesses 32
Said re
taining meansincludes a supporting member or
housing 2|, locking means comprising a nut 25
and 32' adapted to receive the projection 8|.
face 22 of the housing 2| may be formed with a .
circular opening 22a concentrically dlsposed'with '
jection or tab 35, also conveniently formed by ,
A spring 32 may be interposed between the plate
ñoatlngly carried by the supporting member 2| 15 28 and the inner face of ilange 28 of the hous
ing 2|, thus constantlyurging the plate 28 into
and interlockingly'cooperable with the stud 9. a
contact with the flange 29. In order to pre
’lock member 28„ and spring or resilient means
vent sidewise displacement of the plate 28 with
38. The housing 2| is secured to the under face
reference to the-nut 25, a gu'ide structure is fur
of the sheet or member II by. for example. rivets
2li. Conveniently, the housing 2| may be pro 20 nished. This structure may conveniently include
a groove 28 of arcuate conilguration and formed
vided with ilanges or ear portions >22 to furnish
in the upper or outer tace of ilange 29. A pro
mountings for the' rivets. The sheet engaging
indenting the plate 28, »rides within this groove
82. It is thus apparent that sidewise displace-r
'ment of the plate 28 with reference toithe nut
reference to the opening I2. The opposite face>
. 22 of the housing 2| ~may be'iormed with an
> 25 is prevented, although rotation of these partsv
relative to each other may occur. , Additionally,
this structure serves a function somewhat in the
preferably beyond the housing 2| is a nut 25
formed with threads as indicated’ at 28. The 30 nature of a stop element. In other words, the
limits of the groove define the limits of move
diameter and pitch oi' these threads is such that
opening 22a.
.
»
Extending through the latter opening 24a and
ment of the projection 8| when it is in registry
they may cooperate with the threads i8 of the
with
either of the recesses 22 or 82'.
shank I5. Also, as shown in Fig. 6. the threads
Thus when pl'ate 28 is rotated relative to the '
i8 maybe reduced at points 28 and 4| adjacent
~ their leading edges. As shown in Fig. 6. this 35 nut 25 so that the projection 8| is engaged in the
recess 32', the opening 88 will be aligned with‘
reduction at the leading edge o! the thread is
the grooves 21- to permit insertion of shank i54
made at the root of the thread as well as the
through the plate 28 and within and axially of
top oi' the thread. In any event, this will result
the bore of the nut 25. When, thereafter, the
in ready cooperation of the thread portions of
the stud 9_ and nut 25. The threads 25 are inter 40 shank I5 is rotated relative to nut 25 to engage
rupted by longitudinal grooves 21 in the nut 25, ~ the threadsi8 and 28. the plate 28 will likewise
be rotated, by the shank I5 engaging the corre- _
as shown especially in Fig. 3.
The grooves or interrupted portions 21 of the »
spondingiy formed opening 30, until the projec
tion 2| engages inthe recess 32, as seen in Fig. 4.
nut 25 are of a sumcient depth _to loosely receive v
the broadest transverse dimension of the stud 45 zwhereupon, it will be noted, the shank and nut
threads I8 and 25 will be fully cooperatively en
shank I5 and said grooves 2‘|.` will, therefore, re
4 ceive the threads I8 oi' the shank I8 when the
gaged. At >all times, during relative rotation of
the' nut.25 and plate 28, the projection 35 on the
threaded edges of the latter are aligned with said
latter
rides in the groove 82, serving to prevent
grooves 21 Vand the shank I5 is inserted within
the bore of the nut 25; under such conditions; of 50 sidewise displacement of the plate 28 relative to
the nut 25. Thus with the construction as illus
course, with the shank i8 inserted within the
trated,
it is apparent that when the projection
bore of the nut 25', the shank and nut may be
2| is engaged with one of the recesses 22 or 82',
-, -the opening 80 will either be in substantial regis
freely moved axially with respect to one another.
When however, the shank I8 is inserted within
the bore of the nut 25, as Just described. and the
shanky I5 and nut 25 are rotated relative to one
another. it will. be obvious that the threads |8
of the >studshank I5 will become interengaged
with the threads 25 of the nut 25 to restrain rela
tive axial 'movements of the stud 8 and nut 25.
5'3
try with the interrupted> portions
21 of the thread
_
’ 28 or in a position substantially 90° out of registry
with such interrupted portions.
so
Now with a view to providing means which will ,
prevent or, restrain relative turning movements
of the shank I8 with respect to the nut 25v when
the parts have been adjusted to' proper position
with the stud andthreads interengaged, it will 65
be observedthat' a lock member comprising a plate
28 is'supported> upon the. flange -29 which» extends
from a point, adjacent the .inner edge of the
nut body 25 atan _angle thereto. The junctureV '
of the' flange >'nf-withV nut body A25 provides an"
angular portionf'o'rming a part of the nut 25 and
` extendingbetween the> nut Abody and the ilange.. ’
If desired. means maybe provided for retaining
the stud 8 in association with the sheet I8 when
the sheets I8 and II lare to be separated upon
release of interlocking cooperation of the stud 8
and nut 25. As illustrated, such means may com- `
prise a washer or like member 25 non-rotatably s'
mounted on the shank I5 of the stud for move
ment axially of the shank I5; and a pin, or the
like, 81 may be inserted through a suitable hole
drilled transversely through the shank I8 and
peened over against the opposed unthreaded'sldes
ofthe shank I5 to provide slight protrusions or
ear portions 21a and 2lb extending from the un
threaded sides of the shank I8 and integral there
with. The ,protrusions 31a and aib win pass f
This'plate‘ 28. as especially shown in Fig. 4, is -` ‘through the opening 38 in the lock member 28
and- through the opening 38a in the spring 22,
.formed with an _opening 80 of a vconñgur‘ation
generallycorresponding to the _shank I8.V This“ so as to permit the st_ud 8 to be withdrawn there~
3,410,441 '
from; but said protrusis 31a and 81h will not
>pass through the opening in the washer 3_6 which
more~ closely ntsA the> stud shank IS.' Thus the'
stud 9 will be retained in association with the . i
sheet lo, upon release of interlocking cooperation 1
>of the shank i@ and nut 25,»by engagement o_f
the protrusions tia: and 31o with the washer 38,
upon axial movement ofthe stud relative thereto,
and by engagement of the vwasher 36 with the
adjacent side of the member i0.
înemploying a fastener assembly oi’ this >type
and as before brought out, the housing 2l mount
ing the nut 25 and its associated parts is pref
erably associated with the sheet or member i i and
‘_ A
6
clamped. To release this engagement, a reverse
operation is resorted to.
.
v
From the foregoing it will be apparent that,
with the parts' assembled' as shown, the lock mem-f
ber 28 may bereleasably locked in either of two
positions. In one of these positions, the open
ing 30'is aligned with the grooves 21 of the nut
25, permitting the insertion of the stud shank IS
into the bore of the nut 25. In this'position'ft'he
projection 3i is' engaged in the recess 32' with
> sunlcientforce by theaction of .the _spring ‘33 to
positively maintain the locking member` 28 against
accidental rotation relative to the nut 25, and
the assembly is'thus maintained ready-_to receive ' `
~ with its opening 23a in substantial alignment with 16 the stud 9. When the stud shank iii is inserted
the aperture i3. As shown, the opening 24a in _ through the opening 36 into the bore of the nut
the housing 2l, is relatively larger than the cir
cumierence of the nut 25, and the nut flange 29
_ is slightly smaller than the interior of the hous
25and thereafter the shank i6 is rotated until
the ~projection 3i engages in the recess 32, the
l lock member becomes locked in its second locked
ing 2|, to accommodates. limited lateral vshift 20 position, at which time it will be apparent that
ing of the nut 25 and plate 28 assembly to en~
the shank threads Iii will-«be fully engaged with
able proper alignment or centering of the open
ing 3U and bore of the nutl 25 with the opening
I2a whereby to permit insertion of the shank i6
through same into the bore of the nut 25.’ The
ñange 29 is substantially square so as to substan
tially conform to the interior configuration of
the housing 2i so that only a very limited degree
of relative rotation of the nut 25 and housing 2i
the nut threads 2B to restrain relative axial _move- '
ments of the stud s and nut .25, and also at such
time the engagement of the projection 3l .with
the recess 32 will, due to the action of the spring
33, positively restrain accidental relative rota# '
'tion of the stud Q and nut 25.
'
y'I'hus there is provided a fastener construction '
which requires merely insertion of the stud axial
is possible. The stud 9 is introduced through the 20 ly into proper relation with the retaining means
opening i2a deñned by the dimple l2 in sheet I0.
and subsequent 90° rotation of the stud from thel
If the parts are not in perfect registry, the lock
position of insertion in order to positively lock
ing member 2d and nut 25 assembly may shift
together the members, s'uch as sheets i0 and il,
'laterally within the housing 2| as the stud isl in
with which the fastener construction of the inven
troduced. This will occur because the nose por 35 tion is used. lIn the use -of Ithe invention the lock
tion il will cam against the endedges of the
member 28 is readily locked m'position ready >to ,
opening 36 of the plate28. The locking member
28 and nut 25 assembly is suñiciently loosely
mounted within the housing that a limited
amount of shifting may occur. In other words,
the structure is' self-centering. Continued pro
jection of the shank will cause the latter to enter
the opening 30, as well as the bore of the nut 25.
» In the passage of the shank I6 Vwithin the-bore
oi the nut 26, the threads IB will, of course, ride
within the grooves or interrupted portions 2lV of
the nut threads 28. As the head I4 comes to
rest Within the dimple and with the sheets l0 andl
4Ii or other members in proper contact, further
penetrative movement of the stud 9 will cease. 50
permit insertion ci the stud and after the stud
is inserted'the lock member is readily locked in
a position retaining the stud in place for lock
ing the members together.V Whenever the lock
ing member 28 is rotated‘to stud receiving posi
tion or to stud locking position, 1the existence of
either of these conditions of the >structure is made
readily apparent to the operator by the loud
click occurring when the projection 3|y is re
ceived in the respective recesses 32 or 32'. This
audible signaling feature of the constructiony en
able the operator to lbe lassured that the device is
in the desired stud receiving or stud _locking -coin
dition.
Thereupon, the operator, by simply introducing a
proper implement or tool into the slot il or its
equivalent, may turn the stud 9'- with reference
to the nut 25 so that the shank threads I8 are
caused to engage the nut threads 2l.
During> the- _entire foregoing operation, it will
be understood thatsldewise displacement of the
A plate 2d with reference to the nut 25 is' prevented
by the guide structure which has been previously '
'
From the foregoing, it will be understood that,
among others, the several objects of the invention
as specifically aforenoted are achieved. Obvious
ly. numerous changes in construction and rear
rangments of the parts might be resorted to with
out departing from the spirit of the inventionas
denned by the claims.
_
I_ claim:
.
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_ 1. A fastener comprising a receptacle, a nut
` described.‘_ A rotation of the stud 9 will result 60 mounted within said receptacle, a locking plate
in the projection 35 riding within the groove 34.
associated with said nut and contained within
A_lso, it will> result in the 'projection 3| riding out
said receptacle, a resilient locking element posi- .
of one of the recesses 32 or 32' as'particularly
tioned in said _receptacle ¿and in operative engage
shown in Fig. 5. Under these circumstances, the
ment
be inserted
with said
through
plate.said
a locking
memberstud
andadaptedto
plate into>
detent function and structure will becomeinop 05
cooperative
engagement‘with
said
nut,
means
:for
erative. Therefore, no restraintwill be placed
~ upon the rotation of the plate 28 with reference
to the nut. _The detent will, howeven-again be- _
comevoperative when the projection“ rides into
the second recess v32. In that. position. as seenin' 7o
Figs. 1 and 3, and with the parts as shown, the
threads Il of the stud 9 will be midway between _
the interruptions 2l and in engagement with the »
threads 2l.
Thus, the parts will be firmly
locking said plate and stud ln' locking relation
relative to said receptacle when said stud is
turned, and means for limiting the turning move-- ‘
ment of said stud.
_
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»
2.~A fastener device of the type adapted to
secure plates together detachably. `comprising a
receptacle and means for secusing said recep
' tacle to one oi.' said plates, a nut loosely mounted _ _
within said receptacle. _alocking plate provided
2,416,441
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with a stud reeeiving‘opening mounted within
\ >said receptacle and in engagement with said
nut, a resilient locking element positioned with
in said receptacle and constructed and arranged
to bias said plate into engagement with said nut,
a. locking stud adapted to be inserted through an
Ítheïturning movement of said. stud and plate
when' said' detents are in locking engagement:
with >said recesses.
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e. A fastener device of the' type adapted zo ‘
secure -plates together detachably, comprising a
receptacle and means for securing said receptacle
other .of said plates and. through Sßid member
and plate into engagement with said nut, the
cross-section of said stud conforming substan
tially with the shape of said opening in said
locking plate, means on said plate for effecting
locking cooperation between said stud, plate and
to one of said plates, a nut carried by said recep
tacle, a locking plate' provided with a stud re
- ceiving opening mounted within said receptacle
` nut when said stud and plate are turned rela
f tive to said receptacle, and means for limiting
into engagement with said nut, a locking stud
adapted to be inserted through another of said
plates and through said member and plate into
engagement with said nut, the cross-section of
said stud conforming substantially with the shape
the turning'movement of said stud and plate.
3. A fastener device of the type adapted to
secure plates together detachably, comprising a
receptacle and means for securing said receptacle
to one of said plates, a nut loosely mounted with-V .
in said receptacle and provided with a recess,l
a locking plate provided with a >stud receiving '
openingl mounted within said receptacle and in
engagement with said nut, a locking stud adapt
ed to be inserted through another of said plates
and through said member and locking plate into
engagement with said nut, the cross-section of
said stud conforming substantially with the~
shape of said opening .in said looking plate, de
tent means on said locking plate adapted to
and in engagement with said nul?. a resilient
-locking element positioned within said receptacle
andconstructed and arranged to bias said plate
of said opening in said locking plate; means on
said plate for effecting locking cooperation be
tween said stud, plate and nut` when said stud
and plate are turned relative to ‘said receptacle,
and means for limiting the turning movement of
said stud and plate.
y 7. A fastener device of the type adapted to se
cure plates together detachably, comprising a
receptacle and means for securing said receptacle
to one of said plates, a nut loosely mounted within
said receptacle and provided -with a recess, a
locking plate provided with a stud receiving open
engage said recess in said nut for enacting lock
30 ing mounted within said receptacle and in en
ing cooperation between said stud and locking
plate when turned/frelative to said receptacle.’
and means for limiting the turning movement
of said stud Ifand locking plate.
‘gagement with said nut, a locking stud adapted
to be inserted through another of said plates and
through said member and locking plate into en
gagement with said nut, the cross-section of said
‘ stud conforming substantially with the shape of
said opening in said locking plate, means on said
locking plate adapted to engage said nut for
effecting locking cooperation between said stud
and locking plate when turned relative to said
40 receptacle, and means for limiting the turning
movementof said stud and locking plate.
4. A fastener device for use in securing to-
gether a, plurality of plates comprising a recep
tacle, a, nut mounted within said receptacle for
lateral shifting movement relative thereto, means
on said nut preventing rotation thereof in said
receptacle, a turnable locking plate, a spring
`located in said receptacle and constructed and
arranged to urge said plate against said nut, a
locking stud having an interrupted thread adapt
ed to be inserted through said spring and plate
for engagement with said nut, said plate and
nut having openings'conforming substantially
with the cross-section of said stud. means on said
plate and operative when said plate has been
turned by said stud for securing said stud in
8. 'A fastener device for use in securing to- »
- gether a plurality of members comprising a re
cliptacle, a'nut carried by said receptacle, a turn
fable locking plate in said receptacle, a spring
' located in said receptacle and constructed and
arranged to urge said plate against said nut, a
locking e stud
having -an
interrupted
thread
adapted to be inserted through said spring and
locked position in said nut relative to said recep 50 plate for engagement with said nut, said locking
plate and nut having openings conforming sub
tacle, and means on said plate limiting turning
stantially with the cross-section of said stud,
movement of said plate and stud into locking
means on said locking plate and operative when
position.
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said locking plate has been turned by said stud
5. A fastener device for use in detachably se
curing together a plurality of separable mem 55 for securing said stud in locked position in said
nut relative to said receptacle, and means on said
bers, comprising a receptacle, means for attach
locking plate limiting turning movement of said
ing said receptacle to one of said members, a
locking plate and stud into locking position.
nut having a non-circular flange loosely mount
9. A fastener device for use in detachably se
ed in said receptacle with a portion of said nut
extending beyond said receptacle, said flange oi 60 curing together a plurality of separable members,
comprising a receptacle, a nut carried by said
said nut «being furnished with recesses, and said
receptacle.> said nut being furnished with re
flange being of a shape to prevent rotation of
cesses. -a locking stud having an interrupted
said nut in said receptacle, a locking stud hav
thread, means for securing said- stud for turning
ing' an interrupted thread, means for securing
said stud for turning movement in said other 65 movement in one of said members, a locking plate
located in said receptacle, locking detents on said
of said plates, a locking plate located in said re
ceptacle, locking detents on said plate constructed . plate constructed and arranged to coact with
said recesses, said stud and said nut being pro
and arranged to coact with said recesses, said
vided with openings conforming substantially in
stud and said nut being provided with openings
shape
to the cross-section of said stud. a bowed
conforming' substantially in shape to the cross
ilat spring secured within said housing and press
section of said stud, a bowed ilat spring secured
ing said plate against said nut, said spring having
within said housing and pressing said plate
against said iiange of said nut', said spring hav- . an opening through which said stud may be in
serted, and meanson said plate for limiting the
ing an opening through which said stud may be
inserted', and means on -said plate for limiting 75 turning movement of said stud and plate ‘when
2,410,441 '
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. said detents are in locking engagement with said
adjacent said shank, a projection extending from
the -latter and engageable by said tongue; said
'retaining means with the tongue displaced to
clear said projection passing beyond said shank.
' recesses.
1_0. a fastener device -or the type. adapted to
secure separablemembers together detachably,
comprising a receptacle and means for securing
ì 14. A stud-receptacle assembly for a fastener,
said receptacle to one of said members, a nut '
said assembly including a nut, a housing formed
loosely mounted within said receptacle, a locking
with an opening through which said nut projects.
plate provided lwith a stud receiving opening
a flange member extending from said nut >and
mounted within said receptacle andin~ engage
within said housing, a plate member rotatably
ment with said nut, a resilient locking element 10 mounted by said ilange and formed with a slot
positioned within said receptacle and constructed
to permit passage of a stud shank, one of said
and arranged to bias said locking plate into en
rmembers ‘being formed with recesses, and ribs '
gagement with said nut, a locking stud adapted
extending from the second of said members and
, to be inserted through another of said members
into said recesses to restrain relative rotation oi
and through said element and locking plate into
said members when the latter are in predeter
engagement with said nut, the cross-section of
mined positions.
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said st‘ud conforming substantially with the sham .
15. A stud-receptacle assembly for a fastener,
of said opening in said- locking plate, means on
said assembly including a housing formed with
said locking plate for eiîecting locking cocpera
an opening, a nut body projecting through said
tion between said stud, locking plate and nut
opening, a flange and an angular portion form
when said stud and locking plate are turned
ing a part of said nut, said angular portion ex
relative to said receptacle, said last-named means
tending between the lbody and said flange, anda
producing an audible click when moving into or
out of locking engagement with "said nut, and
means for hunting the turning movement of said
locking plate rotatably supported upon the lliange
stud and locking plate.>
.
.
of said nut and presenting a body lying adjacent
the angular portion thereof.
„
'
i6. A stud-receptacle assembly for a, fastener,
said assembly including a housing formed with an
opening, a nut body proj ecting through said open
ing, a flange and an angular portion forming a
l 1l. A fastener device for use in securing to
gether a plurality ofr plates comprising a recep
tacle, a nut mounted within said receptacle, a
turnable locking plate, a spring located in said
receptacle and constructed _andai-ranged to urge
part'of said nut, said angular portion extending
between the body and said flange. a locking plate
rotatably supported upon` the iiange of said nut,
'said locking plate against said-nut, a locking stud
having an interrupted thread adapted to be in-and presenting a‘body lying adjacent the angular
serted through said spring' and locking plate for
portion thereof, anddetent means cooperating
engagement with said n'utfsaid locking plate and 35 with said plate and nut to normally maintain
nut having openings conforming substantially .
the latter in predetermined positions with respect
with the cross-'section of said stud. means on said
locking plate 'end_operativewhen said locking Y
to each other.
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1'?. A stud-receptacle assembly for a. fastener,
plate has been turned bys'aid stud for securing
said assembly including a housing formed with
said stud in locked position in said nut, means 40 an opening, a nut body projecting through said
on said locking plate limiting turning movement
opening, a ñange and an angular portion yformof said plate and stud into locking positlol'le'and
ing a part of said nut, said angular portion ex
other means on said plate limiting turning move
tending between the body andl said flange, and a
ment of said plate and stud into unlocking posi
locking plate rotatably supported upon the ñange
45 of said nut, and presenting a body lyingl adjacent
l2. A fastener device of the type adapted to se
the angular portion thereof, both said nut and
Vcure plates together ‘detachablm comprising a re
plate being slotted to permit of the .passage of a
ceptacle and means lfor securing said receptacle
stud shank, and detent means cooperating with
to one of said plates, a nut carried by said recep
- said plate Vand nut to normally maintain the latter
tacle and provided Vwith a plurality of sets of
in predetermined positions with respect to each
recesses, a locking plate provided with a stud
other.
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receiving opening also carried by said receptacle '
18. A fastener assembly including in’combina- .
tion.`
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. and in engagement with said nut. a loclnngstud
Y tion a 'stud member comprising a flattened shankv
adapted to be inserted through another of said
formed with screw threads'in kits outer edges, a.
plates and through said member and locking plate 65 nut includingra body and a detent plate rotat
into engagement with 'said nut, detent means on
Yably mounted by said body, said plate being
VSaid locking .plate adapted t0 8118588 One 0f Said
formed with a, slot permitting` thel passage of said
sets'of recesses ior'eiiecting locking cooperation
shank but preventing relative rotation of the
between said stud and locking plate when turned
_shank with respect ‘to the same, said nut being
relative to said receptacle, and to engage another 30 formed with interruptions. in its threads, and ribs
and cooperating recesses formed in said plate
set'of recesses -in’said nut when said studand
'_ locking plate ere turned 1n the òpposiee'direcuon * and nut to prevent relative rotation ofthe same.
to unlocking position,'meam for. limiting the"-`l`
19. A stud-'receptacle assembly for aA fastener,
turning movement of said stud and locking plate f ysaid Vassembly including, in combination, a nut
into locking position, and other means for limit- ' 05 member, a lock plate `member rotatably sup
ingtheturningmoveinent ofsaidstudandlock
ing plate into unlocking podtion. _
ported thereon, a tab extending from one of said
members, the second of said members being
formed with-an arcuate recess and within which
V_i"V
-13. In a'i'astener assemblyfa headed stud in---
cludlng a shank formed with interrupted threads.
'said tab rides, and said tab, in commotion with
, said »shank being adapted to extend through the 70 the end walls of said recess, providing a stop
aperture of a mounting member, retaining means
structure limiting „the rotational movement „ .of
mounted by said shank and to'bear against'the
face -of 'said mounting member -to prevent ref
moval‘of said stud therefrom, a tongue forming
said plate member _withrespect to said nut mem- _
u
20.l A stud-receptacle 'assembly for a fastener,
said Vassembly* including,- in- combination. a nut _
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member, a lock plate member rotatably supported
other of said members and integral therewith to
thereon, a tab extending from one of said mem
> lie within said recess and, in cooperation with the
bers, the second of said members being formed
end edges thereof, to limit rotational movements
with an arcuate-recess and within which said tab
of said nut and lock plate.
rides, said tab, in conjunction with the end walls
25. A stud-receptacle assembly for a fastener,
said assembly including, in combination, a nut,
`-
of said recess, providing a stop structure limit
a lock plate rotatably supported thereon, said
ing the rotational movement of said plate mem
nut being formed with -a series of recesses,»ribs
ber with respect to said nut member,'one of said
projecting from the adjacent face of the' plate.
members being formed with recesses, and ribs
forming a part of the second of said members 10 and means for causing cooperation between said
recesses and ribs to provide a detent structure.
and extendable into said grooves to provide a
26. In a fastener> assembly, a stud receptacle
detent structure. N
formed with an opening, a nut disposed within
21. A stud-receptacle assembly for a fastener,
. said receptacle and extending through said open- .
said assembly including, in combination, a nut
member, a lock plate memberv rotatably supported 15 ing, said nut being formed with interrupted screw
threads, a plate rotatably mounted with respect
thereon, a tab extending from one of said mem
to said nut and formed with a slot through which
bers,\the second of said members being formed
with an arcuate recess and within which said. I the shank of a stud may project. and stop means
for preventing rotation of said plate with respect
tab rides, said tab, in conjunction with the end
walls of saidrecess, providing a_ stop structure 20 to said nut and beyond predetermined positions.
27. In a fastener assembly, a stud receptacle
limiting the rotational movement of said plate
>formed with an opening, a nut disposed within
member with respect to said nut member, one of
said receptacle and extending through said open
said members being. formed `with recesses, ribs
ing, said nut being formed with interrupted screw
forming a part of the second of said members
and extendable into said recesses to provide a 25 threads, >a plate rotatably mounted with respectv
detent structure, a shell formed with an opening
through which said nut member extends, a. spring »'~
to said nut and formed with a slot through which
the shank of a stud may project, stop means for
bearing against said plate to cause the latter to
preventing rotation of said plate with- respect to
said nut and beyond predetermined positions, and
engage said nut and to also cause said nut to-,bear
-against: said shell, and inwardly extending flange 30 detent means forming a part of said plate and nut
' portions forming a part of said shellf and sup
porting said spring.
.
22. A stud-receptacle assembly for a fastener,
_said assembly including, incombination, a nut
member, a lock plate member rotatably supported
thereon, a tab extending from one of said mem
bers, the second of saidmembersbeing formed
with an arcuate recess and within which said
vtab rides, said tab, in conjunction with the end
'Walls of said recess, providing _a stop-structure
limiting the rotational movement of said plate
member with respect to said nut member, one of
said members being formed with recesses, ribs
forming a part of the second of said members j
and extendable into said recesses to provide a 46
detent structure, a shell formed with an opening
for restraining relative rotation of the same.
28. In a fastener assembly, a headed stud in
cluding a shank formed with interrupted threads,
said shank being adapted to extend through the
aperture of a mounting member, and retaining
means mounted by said shank and to bear against
the face of said mounting member to preventv
removal of said stud therefrom.
29. A stud-receptacle assembly for a fastener,
said assembly including a housing, a nut proiect- I
ing from said housing and movable within the
same, a spring acting against said nut to normally '
maintain the same in predetermined position
within said housing, the ends of said spring being
normally spaced from the inner edge faces of »
said housing, and said spring when said nut is
engaged by a stud being ymoved with respect to
through which said nut member extends, a spring
said housing.
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bearing against said plate to cause the latter to
30. `A fastener device comprising a receptacle,
engage said nut ,and to also cause said nut to bear
against said shell, spacing means associated with 50 a fianged'nut mounted vin said receptacle and
projecting outwardly therefrom through an open
V said shell, said spring bearing against said> spac-i
` ing in said receptacle, stop means on the ñange
ing means, and means for securing said> spacing
of said nut, a locking plate, a spring within said
means and shell against movements withrespect `
to each other.
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-receptacle pressing said plate against said ilange,
23. In a fastener assembly, in combination, a- 55 a locking stud adapted to be -inserted through said
spring, and plate for engagement with the threads
nut member, a lock plate member rotatably sup
ported- thereon, .a tab extending from one of said4 ; of said nut, and a projection on the edge of said
plate constructed and arranged to engage said
members, the second oi said members being
stop means to prevent further turning movement
formed with an arcuate recess and within which
said tab rides, said tab, in commotion withvthe 60 of said stud and plate relative to said flange when Y
said. stud and plate have been moved to locking
end walls of said recess, providing a stop struc
position.
ture limiting the rotational fmovement of said
3l. A fastener device of the type adapted to se
plate member with respect to said nut member,
curel plates togetherA detachably, -comprising a
` _a stud to extend through `an opening in said
plate and into the. bore of said nut, integral ear 66 receptacle and means for securing said receptacle
to one of said plates, _a nut loosely mounted with
portions forming a part of said stud and extend
in said receptacle, a locking plate provided with
ing beyond the body of the same, and stud-re
a stud receiving opening mounted within said
taining means slidably mounted upon said stud
receptacle and in engagement with said nut, a
and secured against displacement with respect to j
the same by said ears.
,
70 resilient locking element positioned within said
receptacle and constructed> and arranged to bias
24. A stud-receptacle assemblyjor a fastener,
said plate into enegeagement with said nut, a lock
said assembly including, in combination, a nut
. member, a lock plate member rotatably supported
thereon, one of said members having an arcuate
recess, and a tab extending upwardly from the
ing stud adapted to beinserted through another
A of said plates andV through said element and plate
into engagement with saidnut, the cross-section.
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of said stud »conforming substantially with the
shape of said opening in said locking Plate, means‘ on said plate for- eirecting locking cooperation be
tween said stud, plate and nut when said stud
and plate are turned relative to said receptacle’.
means for limiting the turning movement of said
stud and plate. said means `including »a ñange
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nut member, said nut member and stud having
cooperating threads, and the threads on said stud
member being reduced adjacent their leading
edges.
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33. A fastener device of the class described
comprising, in combination a nut member, a re- .
‘cepta’cle adapted to receive `said nut member, and
formed on said locking plate, and means on said ` a stud member for cooperation with said’nut
nut engaged by said ñange for `preventing turning l jmember, said .nut and stud members having co
10 operating threads, the >threads on said stud mem
movement of said stud.`
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32. A fastener device of the class described ` ber being reduced at'their leading edges at the
comprising. in combination a nut member, and a
locking stud adapted for cooperation with said
Aroot of the thread and at the top of the thread.
MARK HATTAN.
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