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Патент USA US2403620

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July 9,- 1946.
' v
Filed Dec. 11, 1943
2 Sheets-Sheet 1
NWN 17‘
Jacob Push Snyder
es Fre der/g/c Norton
Pmnred July 9, 1946
Jacob ‘Rush "Snyder, Cleveland, and James
Frederick Norton, Cleveland Heights,;0h>io';.as
signors to Thompson ‘Products; ~Inc.,v a corpora
tion of Ohio
Application December 11, 1943, Serial No. ‘513,900
11 Claims.
(01. 284-4)
',This_' invention relates to self-sealing couplings
opening. : ‘Aligning Hmeans vmay advantageously
be provided oneach plate to cooperate with'the
‘adapted for quickand easy operation while auto
matically sealing the coupling parts ‘when said
coupling parts are detached from each other.
slotted opening on ‘the other of the plates for
aligning‘the'valve elements together when'the
coupling boxesj areto lbejassembled in coupled
i j' More particularly, the present invention‘relates
to improvements in aligning "anjd'detent means
for the separable parts of_ a device for coupling
relation and‘ also, to depress the detent means
engaging the opening thereof to permit the valve
member, when the plates are assembled in‘ inter
together the ends of ?uid'c‘o'nduits such, for ex
?tting 'relationfto‘ be shifted’into engagement
ample, as tubes, pipes, hoses and the'like,;to‘ ‘place
the same in unrestricted ‘communication’ when 10 , with the severallocking ?ngers's'o as tov couple
the parts are coupled‘ together‘a'nd to Seal the ,
‘the boxesltogether.
It is, thus, an'objectot the present invention
to provide'a detachable‘ couplingunit ‘having a
ends thereof when uncoupled.
" The _ present invention contemplates‘ means
‘which permit the elements of ‘one ofitheparts .
multi-part 1 separable‘ valvev member therein‘ vior
of the coupling unit'to‘ be shifted relatively with 15 placing the couplingiboxes' comprising" the unit in
vide an opportunity for draining the’ coupling
?uid ?ow communication and sealing/‘each cou
pling box of/ vthe unit-when; said unit is *‘discon
parts when disconnected. ‘ The means are "also
respect to each other within certain limits to pro- '
1 ;
1" .. 1. I1 I:
' Another objectof the present-invention is to
adapted to be employed, as‘position ?nders when
the parts 30f the ‘coupling unit "are coupled‘ to
provide means associated" with 'at'least" one of
gether for ?uid flow communication.
the boxes which coactswith‘that part'of‘the valve
' '
' ‘
member associated with said coupling box to'pro
A detachable coupling of the type‘ v‘rithj which
the teaching of the-present inventionv is partic
fvidei‘forthé shifting of said valve part with’ref
‘spect to its coupling box to alimited ‘extent when
ularly advantageously adapted to befemployed
embodies complementary partsor coupling boxes
which are adapted to receive theiends of ?uid
conduitsand to place them inunrestrictedv ?uid
‘?ow communication. A'shiftable valve member
comprising a'rnultiple number oi ‘partspis'proé
videdto detachably connect the coupling'boxes
25 the coupling is'idi's'connected, '~ 1' -*
' A further‘ object ' f the’ present ‘invention ‘is
~'tojprovideys'tligning means on each of the valve
parts for rejgistrati'onwith' cooperating means on
the other'ofy the valve parts whichiwill Iacilitate
duits connected'to said boxes. Oneof the parts
of the valve member is adapted'to‘be' retained
in each‘v of the coupling-boxes for sealing the
respective boxes when they are uncoupled to'pre
' '
1' ‘
i "
therewith which are arranged to be disengaged
therefrom by ‘aligning’ ‘means associated‘ with
vent leakage or drainage of the fluid‘ out of the
ends'of the then separated ?uid conduits.
‘the assembly ofthe’c'ouplings.‘
" It isia still further object of ‘the present" inven
tion- to provide resilient detentYmean'si'ior at
‘least one ofthe couplingf'iboxes which'will co
operate with means on the valve plate- associated
and to control ‘?uid: ?ow' betweenth'e ‘?uid; con
the other "of the ‘valve parts'when thevcou'pling
boxes of the unit are assembled in coupled rela
'The valve member may‘ advantageously take
the form of a shiftably mounted member made up
of a pair of interiitting plates whichare adapted
Another important‘ object of the: present inven
to cooperate with a plurality of inte'rlocking?n
gers on' each of the coupling boxes to connect
the coupling boxes together. One of the plates
tion" is‘ '- to f'prov'ide means associated : with ‘each
comprising-the valve memberis also adapted to’
be retained in each ofithe boxes when the cou
coupling box°which will permit the shifting-of
the valve part " associated therewith with respect
to its coupling box't‘o anexten't su?icientto per
mit ‘said coupling ‘box to be drained but'insu?i
cient'to' permit the valve partsto become‘ disen
gaged‘v from its "coupling ‘box when. the coupling
pling boxes arev detached being‘kshiitably ‘sup
por-ted‘by' the'locking ?ngers ‘of its box.
According to the present invention, resilient
‘unit is disconnected. l"
the ‘valve plate with respect-tot'theflbox within
limits imposed ‘by the extremities of the" slotted 55
: Figure
sun other featuresen‘d’ objects ‘or the inven
detent means or the like‘ are, provided in at least
one of the coupling boxes for engagement with 50 tion will be'appare'nt as the detaileddescription
of the annexed sheets ‘ofidrawings which illus
1'3.‘ slotted opening in the valve plate associated
with ‘the box when the parts of the coupling unit
trate" a preferredembodiment of ' the invention
‘are disconnected and permitting the" shifting vof
iOn th'e'draWingsSI
il-"illustrates an‘ end ‘elevation’ of ‘a typi
l3 and I4, respectively. As will be apparent from
Figures 1 and 2 of the drawings, the several
?ngers 20, 2I, 211a and 2la of the coupling boxes
advantageously employed;
I3 and I4, respectively, cooperate to enclose all
Figure2 is a plan of the coupling of Figure 1
illustrating the coupling boxes in coupled rela in but two opposite sides of a generally rectangu
cal quick disconnect coupling with which the
teaching of the present invention is particularly
larly walled chamber 24 when the coupling boxes
Figure 3 represents a vertical. cross-section
I3 and-I4 are disposed in assembled relation (see
through'the coupling unit illustrated in Figure 2
Figure 3').' It will be best understood from
taken along the line III--III therein;
Figure 4 that the chamber 24 is preferably open
ended to receive the valve member I5 in slidable
Figure 4 represents a horizontal cross-section
along the line IV--IV in Figure l, with the cou
pling boxes of the coupling unit in assembled re
relation. therein.
The valve member I5 is preferably made up
of a pluralityv of inter?tting parts comprising, in
thelvpresent. instance, the plates 25 and 26. The
plate 25 is provided with a plurality of ?anged
portions: 215 and 28 which may advantageously
be, formed integrally with the body of said plates
* - and-disposed in alternately spaced relation along
two of the opposite edges thereof. The plate 26
20 is provided with a plurality of ?anged portions
21a and 28a which correspond in general. to the
?angedportions 21 and 280i plate 25. The dis
position of the ?anged portions 21a and 28a on
the plate 26 is such that they will cooperate with
spaces provided between the several ?anged por
tions 2.‘! and 28 of the plate 25. thereby permit
ting, the' two plates to be mutually inter?tted
‘in the manner illustrated in Figures 3 and 9 of
Figure 5 is a cross-section.correspondinggem
orally with that of Figure 4,.but ‘illustrating. the
coupling boxes of the coupling unit in disassem
bled relation and sealed off;
Figure 6 represents an end View of :one‘of'the-
coupling boxes with its associated valvev part in
sealed relation with respect thereto;
- > Figure '7 is an end view. of the‘ other, of ‘the
coupling boxes ‘with the parts in a relation which
corresponds with that illustrated in Figure 6;
a Figure- 8 is afpartial elevation of the assem
bled coupling. unit of Figure 1‘ withparts broken
away and in section to illustrate one of the
operating positions. of the aligningand detent
means of- the present invention;
Figure 9 corresponds generally, tov Figure/8
the, drawings. 7
with the parts of the coupling unit inv disassem
3.0 V
The plate’ 25 is provided with an aperture 29
bled relation and illustrating another position of '
extending therethrough. and disposed substan
the'aligning and detent means;
Figure l0lis a plan view of another form of
tially centrally of its lateral dimension but ad
vantageously to one. side; of the mid-point of its
valve plate forhthe valve member of a coupling
unit which embodies the principles of the ,pres
ent invention; _
longitudinal axis as willbestbe seen from Figure
Figure ll-is- avertical cross-section taken along
the line XI—XI in Figure 10; and
I . Figure‘ 1-2 is, a vertical cross-section taken along
>the-line12?I_—XIl in’ Figure 10.
As shown on, the drawings:
6. of‘ the. drawings. In the aperture 29 in the
plate 251s press ?t or otherwise suitably secured
by'brazing, soldering, welding or the like, an in
sort 3!], de?ning a central passageway 31- extend
ing therethrough. The insert 30 forms on the
40 face of the plate: 25 adjacent the mating face
of the plate 26 anannularboss 32 which extends
outwardly from the faceof platev25- to an ex
. 'I-n. Figures r and ‘2, the quick disconnect coil.
tent equaltothe lateral projection of the ?anged
portions 2'‘! and 28'‘ on said_.plate,,as. will be read
communication by a shiftable on'more speci?- _* ily apparent. from Figure 50f thedrawings. It
cally, a slidable valve- member I5 is particularly
will bev understood that the insert 30. may also,
if. desired, be. formed integrally with the plate 25.
advantageous in that it demonstrates the appli
Theplate. 26, of they valve member I5,has a cir
cation'of the; teachings of the present-invention.
cula‘rfa'perture33. arranged. therein. in the same
,The coupling vunit vI2 is adapted to interconnect
manneras the aperturej29§in the. plate 25. The
a pair of ?uid conduits (not shown) which may .
"aperture 33lis of. a diameter 'su?icient to receive
include pipes, tubes, hoses and the like, threaded
pling; unit I2 which comprises a pair of coupling
boxes; I3‘ and I4, joined together, in ?uid ?ow
the, annular boss 32 of the insert 30 therein.
or otherwise suitably secured in the ports l6
and 11- of thecoupling boxes I3 and I4, respec
tively The coupling unit I2 illustrated is gen
'Thus,v when, the plates 25, and 26 of the valve
erally Qfj‘thG type, shown and described in the ‘
Jacob;R,ush1 Snyder copendingapplication Serial
No’. 505,755 entitled “Quick disconnect coupling,”
October 11, 1943,
member I5 are inter?tte'd, the annular boss 32
of the insert 30 will register with the aperture
33-. and the face of'tthe boss'will be, ?ush with
the outer; face of the plate 25. It will" be noted
from Figures 4. and8 of, the drawings that when
The coupling boxes I3 and I4 are preferably
substantially identical in construction and de- sign. The coupling box I3, however, is illus
trated as differing from coupling’ box I4 by virtue
‘of the provision thereon of a mounting ?ange
the plates 25 and 26, are: assembled to. form the
valve- member l5 they are‘ so'vdisposed that all
of'the peripheral edges of the plates will. exactly
.apertured' as at I9 (Figure 1) for the reception (35
of bolts or other suitable fastening means’ for
securing the coupling boxl3 0f the unit l2 in an
apparatus with which such a coupling .unit may
Achamber 34 which may advantageously, beof
generally cylindrical form is providedin-the end
of the‘ body‘ portion 22 of the coupling box l3
vwhichis opposite tovthatiin which the port I5 is
formed andt'has an opening 35- extending from its
base; to the base of the port I6. A similar‘ cham
_be- advantageously employed.
ber. 3,5... is formed in the}, body portion 23 of the
I8, The mounting ?ange I8 is advantageously
The coupling boxes, I3 and I4 are provided
with a plurality of prong-like ?ngers 20, TI and
. -'
couplingbox I4 and communicates with the base
of the port I'l- therein by means of an opening
2.0a, 2Ia-, which, are advantageously formed‘ in
32'... A sealing assembly 38' is disposed in‘ each of
tegrally with and arranged to project substan
tially radially from the generally cylindrical
vthe chambers“ and36vof the coupling-boxes, I3
body portions. 2.2 andn of. said counlingboxes :
.I-4-,._-respectively; The Sealing, assemblies. 38
are adapted; tOs. he. sen-adjusting- so as. to. prevent
leakage'of the ?uid being handled by thev cou
pling unit¢|2 between chambers 34 and 36 and
the outer surfaces of the plates 25 and 26 as well
‘as between the walls of said chambers and the
plates both when the coupling boxes I3 and I4
_ are connected and when they are disconnected.
The several sealing assemblies 38 are identical
and comprise in each case, as indicated in Fig
' outwardly. -A substantially dome-shaped end
portion 52 projects from one end of the shell 5|
and forms an‘ annular shoulder 53 where it joins
the body portion of said shell.
The plate 25 of the valve member I5 which is
operatively associated with the coupling box I3
for sealing oif the same when the coupling unit
,I2 is disassembled has a pair of slotted open
ings 154 and 55v extending therethroug'h adjacent
ure 4, a generally annularly shaped sealing ring
39, internally of which is disposed the sleeve 40 10 and parallel to one edge of said plate, When the
valve member I5 has been shifted into a posi
having a ?anged projection“ which is adapted
tion in the coupling unit I2; so that the plates 25
and 26 will seal chambers 34 and 36 in coupling
boxes -.I3 and I4, respectively, the boxes may then
ed to be positioned against the base of the cham 15 be detached from each other and the end por-'
tion' 52‘ of the detent means 48 in coupling boxv I3
‘;ber‘34, or 36, so as tourge the sealing. ring 39
to overlie .one face of the sealing ring 39.
flanged projection 4| forms a contacting surface
forthe compression coil spring 42 which is adapt
against the outer face of the plates 25 or 26,~
whichever it may be depending on whether the _
will register with‘slotted opening 54. Thefshell
5| urged outwardly by spring 59 is prevented
from passing through the slotted opening 54‘by
chamber 34 or 36 is considered. Spring 42 oper
, ates to hold the sealing ring 39 in position both 20 contact of the annular shoulder 53 with the out
er face of plate 25 of valve member I5 adjacent
when the coupling boxes I3 and I4 are in con
nected and disconnected‘ relation. The sealing
ring 39 may advantageously be formed of any
By virtue of the fact that the opening 54 is
slotted or elongated, the plate 25 may be shifted
suitable plastic or sealing material such, for ex
ample, ;as cork, rubber, synthetic rubber, neo 25 slightly with respect to the couplinglbox I3. The
extent‘of such shiftable movement is de?ned by
prene and other similar resilient or plastic mate
the contact of theend portion 52 with one end
or the other. of the opening 54. An aperture or
As previously explained, .the rectangularly
bleed hole 56 is‘prov'ided in plate 25 and disposed
walled‘chamber24 is formed by the cooperative
relation of the couplingboxes I3 and I4 so ar 30 alongthe longitudinal center line of said plate
in order that it may line up partially with cham
ranged thatthe ?ngers 29, 2| and 26a, 2Ia of
ber 34 when the plate 25 is in one of the "extreme
said boxes are disposed in ‘interlocking relation,
positions of its' shiftable movement, This-will
as ‘evidenced by Figure l- of the drawings.‘ The
permit the coupling box I3 to be drained when
prongelike ?ngers 20 and 2| of‘ the coupling box
I3 are so formed that they will extend across the 35
The shiftable movement of ‘plate 25'with re
overall thickness of the mated. plates 25 and 26
spect to‘coupling box I3 de?ned by the coaction
of the valve'member I5‘so that the inwardly
of the detent means 48 and the opening 54is 'su?i;
turned end portions 44 ofv the ?nger 2| will co
operate with the similar inwardly turned end
portions of the ?ngers 20 to engage the outer
or back surfaceof the plate 26 of the valve mem
ber I5. Similarly, the inwardly turned end por
tion 45 of the ?nger'ZIu, and the like portions of
the ?ngers 20a. on the coupling box’ I4 will con
tact the back or outer surface of the plate'25 of
the valve member I5'when the parts are in as
‘ sembled relation (see Figure-3).
As will best be seen from Figures 3 and. 9 of
cient to provide for drainage of the box but pre-v
vents the plate from being completely disengaged
, ‘from fingers 20 and 2| of the box which would
release the sealing assembly 38 in chamber 34
thereof. With plate 25 shifted in the box I3 so
that the end‘portion 52 of the detent'means 4,8
is in contact with the other extremity of the open
ing' 54, the bleed hole 56 is closed and the cham
ber 34 in said box is sealed off. ‘The sealed posi
tion 'of the elements of coupling box‘ I3 ‘is shown ‘
in full lines in Figure 6 while the‘ drain' position is
the drawings, the overall width of the ?anged
"portion 21 and 28 of the plates 25 and theilike 50 represented'by the dotted lines.
»:.:The plate 26 is provided with slotted openings
portions 21a and 28a of the plate 26 corresponds
to the base dimension of grooves 46 of the fin
gers 2|, 2|a as well as that of the'grooves 41
of‘ the. ?ngers 20, 20a of the coupling boxes I3
and I4. Thus, when the coupling'box I3 is de
tached from coupling box I4 of the coupling unit
I2, as indicated in Figure 5 or 9 of the drawings,
the valve plates 25 and 26 will, in each case, be
retained in their associated coupling boxes.
54a and 55a; as well as a bleed hole 56 vall of which
are identical to their counterparts vin the plate
25 and are arranged in identical relation therein.
The. general association and operation of the
detent means'48v of the coupling box I4 with re
spect to opening 54a in plate'26' is the same as
that described for the ‘coupling box I3;
The “plates 25 and 26'are each provided with’a
Assisting in the maintenance of the valve 60 pair of ‘aligning or cam means 51, 58 and 51a, 58a.
respectively, which may take the form- of bent
member I5 and its constituent plates 25 and 26
up portions on'the mating faces of the plates
in their properly disposed relation, both when
formed in a stamping operation. ‘All of said cam
the coupling boxes I3 and I4 are connected and
means are disposed on their respective plates in
when they are disconnected, are the spring urged
retaining or detent means 48 associated with one 65 such manner that when the coupling boxes I3
and I4 and their respective plates 25 and 26 for
or~both of said boxes. In the illustrated cou
valve member. I5 are placed together to be cou4
pling unit I2, a detent means 48 is disposed in a
pled, the cam means 51, 58 on plate 25'will reg
bore 49 formed in the face of each of the cou
ister with'openings 54a, 55a, respectively, on plate
pling boxes I3 and I4. The bore 49 in coupling
box I3,.islocate_d toone side of the chamber 34 70 26 while thecam means 51a, 58a on plate 26 will
and adjacent one of the ?ngers-2D. An identical
bore .49 is‘provided in the coupling box I4.‘
vThe detent means 48, in each case, comprises
acompression coil spring 50. extending into bore
be disposed in the respective openings 54 and 55
on plate 25.
The registration of the cam means 51 and 51a.v
with openings 54 and 54a just described will cause
49 and urging the generally. cylindrical shell 5| 75 the shell 5|, of each detent means 48 to be urged
back into its bore 49. by the camming of- the end
pling box 13 may be omitted. Inasmuch as the
stop 63 serves to limit the movement of the plate
25‘with respect torits' coupling box li3', thisfunc
portion-520111; of the opening 54' or ‘54a and sup
porting said end. portions temporarily on said cam
This operation enables the shifting. of
tion. of" the slotted opening 542 will’ be performed
valve member l5. to interlock the boxes I13‘- and
I4 for ?uid‘ ?ow communication between port's
l6‘ and. I1‘ thereof.
by the'stop’. It will be apparent that the-stop 63
will‘ permit the relative shifting of‘ plate 251 in
the coupling box l3, for they bleeding of the part
The cam means‘ 58 and 5812 on plates 25. and 2.6,
by. the. use of bleed, hole 56 ini the manner pre
respectively, with the mating of said plates, when
viously described since the stop is spaced from
boxes. I13 and M are to be coupled, register, as we 10 theouter periphery ofv the body of the-box‘ |3' and
its ?nger. 2| by the width of the ?nger 20a when
have seen,.with openings 55aand. 55, respectively.
The aforementioned cam meansdo not, however,
completely ?ll the openings into-which they ?t by
virtue of the downwardly curving outer surfaces
the. parts aredisassembled. The aligning. or? cam
means5‘la on plate 26' for alignment with open
ing154-will, of course,.be unnecessary if the slotted
59, 59'athereon (see Figures 8 and 9). These sur 15 opening 54 in plate 25 is eliminated.
The complete combination of the‘ aligning
faces-.59, 59a. of cam means 58, 5.8av permit the end
portions 52 of the respective‘ detent means 48; to
means detent, openingandstop may be- employed
register with an end of the opening‘ 55, 5511' when
as illustrated. or one or the other of them‘ may,
the valve member is shifted‘ to. port uncovering
if desired, be. eliminated‘ as indicated above.
A. similar projection or stop 63. may‘ advan
position with ports l6, l1 and chambers 34, 36. of 20
coupling, boxes l3‘ and M, respectively, in‘ fluid
tageously be provided in a corresponding posi
?ow communication and the boxes interlocked.
tion- on theplate 26 of: valve member |.5. toeither
The registration of detent means 48 with the
supplement. or displace the slotted opening 54a
openings-55 and 55min the manner described pre
on plate 26 and its cooperating cam means 51
vents the valve member from being shifted fur 25 on plate 25. It will be understood further that
ther in one of its directions of movement. In Fig
the instrumentalities of: the illustrated: embodi
ure 8, it will be noted that the; valve member |5
ment of the invention may take any of several
may not be moved any further to the left by rea
other suitable forms.
son of thefact that end portion 52 of shell 5|’ is
Figures 10 and: 11. illustrate av form: of valve
against the right‘ hand extremity of opening 55a. 30 plate 62 for valve member I5; such as may be
The curved surface 59 of cam means 58 (or 59a
formed in a die casting operation, which corre
of cam means 58a) will, however, aid in camming
sponds generally to plate 25. It has the. insert 30
the-end portion 52 out of‘ the opening 55a (or 55)
formed integrally with said- plate~62 to de?ne the
if‘ the valve member is shifted to the right or to
passageway 3| therethrough- The: ?anged por
port covering position for disassembling thev cou 35 tions 21b and 28b correspond? to their counter
pling boxes l3 and M.
parts on plate 25.. The, cam means 51b and 5822
The surfaceBB of cam means 51- (or 60/1; of cam
are also-formed integrally with thepl'ate 62. but
means 510.) is also of arcuate form and enables
instead of having arouate surfaces,. their surfaces
the-end'portion- 52 to contact the one extremity
may he. stepped and yet will, perform the. same
of the opening 54a (or 54) to prevent the valve 40 functions as those previously'described'.
member [5 from being shifted beyond theport
covering position while the coupling boxes are dis
posed in adjacent relation.
The slotted opening 54b’ is shown in Figure 12
as having. one. extremity on the facev of: plate 62
disposed adjacent the face of the coupling box
in, which itis to be mounted. tapered slightly to
the'several openings 54, 55, 54a and 55a.and the 45 facilitate the. engagement and disengagement
cammeans5'l, 58, 51a and 58a on plates 25 and
of the end portion 52 of‘ the shell 5| of. a. detent
2B of valve member l5 aids materially'in aligning
means 48 as the plate. is shifted with respecttothe
the two coupling boxes l3‘and |4~ for assembling
supporting coupling box.
the coupling unit l2 for ?uid flow communication.
It will, of course, be understood that various
The shifting of valve member l5 laterally-causes 50 details: of construction may be, varied through. a
the flanged’ portions 21, 28 and 21a, 28a’ of plates
Wide range. without departing from. the: princi
25 and 26, respectively to engage with the inter
ples of; this invention and it is,,therefore, not the
?tting ?ngers 20, 2|, Nuandila of boxes l3 and
purposeto limit thepatent grantedihereon other
I41 to lock said boxes together.
wise than; necessitated by the scope of the ap
Supplementing theoperation of one or more: of 55 pended claims.
the several detent means 48 and their cooperat
We . claim as our invention:
ingslotted openings 54 and: 54a of the valve plates
1. A detachable coupling comprising a pair of
25 and 26, respectively, of the valve member I5
portedcoupling boxes each having supports there
which. coact when the plates are’ disposed in seal
on, a plurality of apertured members at least
ing position with respect to their coupling boxes 60 oneof which is shiftably mounted in-eachsupport
l3 and i4, is the projection or stop 63 whichmay
for covering and; uncovering. the port in said cou
advantageously be formed on the backv of plate
pling box; said members; having means thereon
25-. The stop 63, in this instance, is shown as
which» mutually inter?t and engage the supports
projecting beyond‘ the edge of plate 25 to an ex
of the other coupling box to lock said. coupling
tent su?icient, for it to contact the side face of 65 boxestogether when theports in said boxes are
one of the ?ngers 20a of the coupling box l4 when
uncovered‘ and‘ to disconnect said coupling‘ boxes
the coupling unit I2 is assembled and the valve
and. disassemble said‘ apertured members from
member is shifted to port covering position. The
each other when the ports‘ in: said boxes are
stop 53 forms a positive means forpreventing the
covered, means. on: each of‘ the coupling boxes
valve member l5 irom being shifted beyond the 70 which coacts' with its. respectiveapertured mem
point of port covering position when it is desired
ber to permit a- restricted; relative- movement of
to disassemble the coupling unit I2.
said member with respect to its: coupling box when
It will be understood that with the provision
thecoupling boxes'are uncoupled, and means-asso
of the stop‘ 63=,_the- slottedopening- 54' which coacts
ciated with each. of the couplingboxes for remov
with, the detent means 48- mounted in: the con- 75 ing therestraint of? the retaining. means-v fronr the
It will be understood that the interrelation of
T'apertured member supported by the other cou~
'fro'm~ each 7 of ‘ the ?rst-mentioned apertures for
'pling' box when‘the boxes‘ are placed in'coupling
engagement with‘each of the ‘remaining aper
tures when ‘the slides are shifted to couple the
~' 2.YInYa' coupling, a'pair of ported coupling boxes
boxes together;
each slidably supporting apertured slides for
covering and uncovering the ports, means cooper
ating with the slides to ‘couple the boxes to~
gether when the slidesare moved to port uncover‘
ing positioh,'retaining means in‘ at least one of
the coupling boxes which coacts with'its slide to‘ 10
position saidslide with respect to its coupling
b'oxwhen said boxes are coupled, means asso
ciated with the other couplingbox for removing
box, and means on at least one" of said slides for
preventing disengagement of the slide from its
coupling box when the slide is shifted to port
covering position but permitting limited relative
ported coupling boxes and a mul-ti-part valve
member shiftably supported by said coupling
boxes for covering and'uncovering said ports, one
of said parts being supported in each box when
the ports are covered and said boxes are uncou
pled, ‘ restricting means comprising a detent
means in each coupling box, an opening in each
=valve,par_t for disengagably receiving the detent
the restraint of the retaining means from the
slide supported byv the fir‘stimen-tioned coupling
6. In a detachable coupling having a pair of
*means of itsv'coupling box for limiting the extent
1of"r"elative movement between each valve -part
and its box when‘the boxes are uncouplei'and
vcam means on each valve part for camming the
detent means out of engagement with the open
ing in the other valve part when the coupling
20 boxes and their respective valve parts are as
3. A detachable coupling comprising a pair of
sembled in coupling relation.
movement therebetween.
ported coupling boxes each having ‘supports
thereon, a plurality of apertured members at
7. In a multi-part detachable coupling for es
tablishing ?uid ?ow communication between a
least one of which is shiftably mounted in each
pair of conduits, a shiftable member slidably
mounted in each coupling part for alternately
connecting the parts of said coupling together and
sealing said parts against leakage of fluid there
from when disconnected, said shiftable member
comprising a pair of plates having a plurality
boxes are uncovered and to disconnect said cou 30 of inter?tting projections thereon, a portion de
pling boxes and disassemble said apertured mem
?ning a ?uid passageway extending through said
bers from each other when the ports in said boxes
plates, restricting means de?ning limited rela
are covered, detent means in each coupling box,
tive movement of said plates with respect to their
a slotted aperture in each of the apertured mem
coupling parts when said parts are disconnected,
bers for disengagably receiving the detent means 35 and means for rendering said restricting means
to restrict the relative shifting of said apertured
inoperative to prevent slidable movement of the
members with respect to the coupling boxes in
shifta-ble member when the plates thereof are
which they are mounted when the boxes are dis
inter?tted and the coupling parts are assembled
support for covering and uncovering the port in
said coupling box, said members having means
thereon which mutually inter?t and engage the
supports of the other coupling box to lock said
coupling boxes together when the ports in said
connected, and a boss on‘each apertured mem
ber for registration with the slotted aperture on
the other of said apertured members when the
boxes and their associated apertured members
are inter?tted to connect them together.
4. A detachable coupling comprising a pair ,of
ported coupling boxes, a slide shiftably supportedv
in each coupling box for covering and uncovering
for connection,
8. A detachable coupling for interconnecting
a plurality of conduits for the flow of fluid there
through comprising a pair of passaged coupling
boxes, said coupling boxes having interlocking
?ngers thereon, a pair of plates slidably mounted
between the interlocking ?ngers in the coupling
boxes, said plates having inter?tting ?anged por
tions adiacent their contiguous faces to detach
the port therein, means on the coupling boxes co
operating with said slides to couple said boxes to
ably connect said coupling boxes in ?uid ?ow
gether when the slides are shifted to port un
communication, said ?anged portions on each
covering position, a pair of apertures in one of 50 plate coacting with the ?ngers on the coupling
said slides, a detent means in the coupling box
box associated therewith to retain the plates
supporting the apertured slide for engagement
with one of the apertures for providing limited
relative movement of the slide with respect to
its box when the boxes are uncoupled, and means
on the- other slide for disengaging the detent
means from the ?rst mentioned aperture for en
therein upon detachment .of said coupling boxes,
detent means on said coupling boxes, apertures
in each of said plates for disengagably receiving,
the detent means, and cam means on each of
said plates for disengaging said detent means
from the apertures when the coupling boxes are
gagement with the other aperture when the cou
connected together.
pling boxes are assembled in coupled relation.
9. In a coupling, a pair of ported coupling
5. A detachable coupling comprising a pair of (50 boxes each shiftably supporting a valve member
ported coupling boxes, a slide shiftably supported
for covering and uncovering the ports, said valve
in each coupling box for covering and uncovering
members having bleed holes therethrough, means
the port therein, means on the coupling boxes
on said coupling boxes coacting with the valve
cooperating with said slides to couple said boxes
together when the slides are shifted to port un 65 members to couple the boxes together when said
valve members are moved to port uncovering
covering position, a pair of apertures in each of
said slides, a detent means in each coupling box
position, and means on each of the valve mem
bers coaoting with the coupling box supporting
for engagement with one of the apertures in the
the other valve member for stopping shifting
slide supported by said coupling box for provid
ing limited relative movement of the slide with 70 movement of the valve members beyond port
covering position and coacting with the coupling
respect to its box when the boxes are uncoupled,
and means on each of said slides which registers
boxes in which the valve members are supported
with the apertures on the other of said slides
to permit additional limited movement of the
when the coupling boxes are assembled in cou
valve members when the coupling boxes are sepa
pled relation for disengaging the detent means
rated to place the bleed holes of the valves in
communication with the ports of the coupling
:boxes supporting the respective valves.
10. In a, coupling, ?rst and second ported cou
pling boxes, ?rst and second valve ‘members .re
vspectively .shiftably mounted in said boxes to
>11. A coupling comprising a pair of ported
coupling boxes, a valvemembershiftable in each
coupling lbox, cooperating means on said coupling
boxes and valve members for-connectionand dis
connection of the coupling boxes, means on a
coupling box coacting with its associated valve
member to permit limited relative movement be
tween said member and said box when the cou
pling is disconnected, and said associated valve
ond box to stop shifting of the valve member
when the boxes are together before the bleed 10 member having a bleeder aperture so positioned
relative to said means as .to selectively open the
hole registers with the ports of the boxes and
port of said box upon said limited movement
said means also coacting with the ?rst box when
in one direction.
the boxes ‘are apart to provide ‘for additional
limited vmovement of the valve member in the
?rst box to ‘place the bleed ‘hole in registration 15
"with‘the port of said ?rst box.
.cover and uncover the ports of the boxes, said
?rst valve having a bleed hole thereinrand means
on the ?rst valve member 'coacting with the sec
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