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Sept. 17, 1946. .
w. R. MacCLUNEY
2,407,758
FASTENING DEVICE
Filed July 19, 1945'
WILLIAM ROBERT MaccLu?EY ->
BY
?itorhe‘ys
'
Patented Sept. 17, 1946
2,407,758
UNITED STATES PATENT OFFICE
2,407,758
FASTENING DEVICE
William Robert MacCluney, Dearborn, Mich.
Application July 19, 1945, Serial N 0. 605,871
5 Claims.
(01. 294-83)
1
2
The invention relates to fastening devices and
refers more particularly to pelican hooks.
tion of the curved member to form an eye for re
ceiving an attachment member 12, such as a sling
link, which is located between the pins 6 and ‘I
The invention has for one of its objects to pro
and is positioned so that the tension line caused
vide an improved fastening device in which the
by the load passes through the pins. The re
retaining means for holding the parts of the
taining means 3 is pivotally connected to the
fastening device in closed position is constructed
frame members 5 and 5 by the shoulder pivot pin
to facilitate release of the retaining means.
13 located near the ends of the frame members
The invention has for another object to con
having the pivot pin 5. The retaining means
struct the retaining means of pivotally connected
lever members, one of which is pivotally con 10 has the shoulder pin 14 which is engageable with
the arm ll of the curved member 2 to hold the
nected to the frame of the fastening device and
latter in closed position and the retaining means
the other of which has a part for fulcruming on
' is held in place to hold the curved member in
the frame intermediate the pivot between the
closed position by means of the projections l5
lever members and the pivot between the frame
on the retaining means which have been passed
and the lever member pivoted thereto.
over the projections 18 on the curved member
The invention has for a- further object to con
and are located between the frame members 4
struct the retaining means of lever members
and 5 and the projections it‘ when the parts are
which are pivotally connected to each other and
in operative position with the curved member 2 in
have a limited angular movement relative to each
'
other.
20 closed position.
For the purpose of facilitating release of the
With these as well as other objects in view, the
retaining means, the retaining means is formed
invention resides in the novel features of con—
of the levers I1 and I8 which are pivotally con
struction and combinations and arrangements of
nected together by the shoulder pin [4. The le
parts as more fully hereinafter set forth.
In the drawing:
25 ver I1 is formed of the spaced substantially
parallel lever members 19 which embrace the
Figure 1 is a side elevation of a fastening de
frame members 4 and 5 and are pivotally con
vice embodying the invention;
nected to these frame members by the pivot pin
Figure 2 is an edge elevation thereof;
l3 which has shoulders abutting the lever mem
Figures 3, 4 and 5 are cross sections on the
lines 3-3, 4‘--4 and 5—5, respectively, of Figure 1. 30 bers to space the same apart and is riveted over
at its end. The lever 18 is one piece and has the
The fastening device is a pelican hook par
ticularly adapted for use in life saving equipment,
although it is apparent that it may be used in
other lines of work.
The fastening device com
spaced substantially parallel lever members 20
which are in the planes of the frame members
4 and 5 and which are provided at their free ends
prises the frame I, the curved member 2 and the 35 with the lateral parts 2! connected by the trans
verse part 22. The parts 2! and 22 form an ac
retaining means 3.
tuating part engageable by hand or a lanyard or
The frame I is formed of the spaced substan
rope to move the retaining means to released
tially parallel frame members 4 and 5 which are
position. The lever members 20 are resilient and
?xedly secured together, both at and intermedi
have the projections i5'extending toward each
ate their ends, by means of the shoulder pins 6
other and engageable with the projections IE to
and ‘l and 8 which are riveted over at their ends
flex the lever members. The pivot. pin I4 is also
and have shoulders abutting the frame member
riveted over at its ends and has different shoul
to space them a predetermined distance apart.
ders abutting the lever members 20 and :also the
The pin 6 forms an attaching means and, as il
" lustrated in the present instance, the pin forms 45 lever members It to space them apart.
To limit Swinging movement of the curved
a pivot loosely engaged by the link 9. The curved
member 2 to closed position the shoulder pin 8
member 2 is an L-shaped member having the arm
is positioned to engage the arm H of the curved
l0 extending between the frame members 4 and
member near its free end.
5 and loosely engaging the pin 1 which forms a
The levers I1 and i8 have limited angular
pivot for the curved member. The curved mem
ber also has the arm ll extending transversely
movement relative to each other which is se
cured by forming the lever members l9‘ and 20
of the arm I0 and adapted in the closed position
at their ends adjacent the pivot pin M with the
of the curved member to extend between the
extensiom 23 and 24, respectively, of less width
frame members 4‘ and 5. The curved member 2
cooperates with the frame I in the closed posi 55 than the lever members and with the inwardly
2,407,758
3
,
and outwardly depressed projections 25 and 26,
respectively. The extensions 23 are engageable
with the projections 26 when the retaining means
4
A
member, one of said levers being pivoted to said
frame and the other of said levers having a part
for fulcruming on said frame intermediate said
is being moved to releasing position by means of
' pin and the pivot between said frame and said
the lever I 8, at which time the lever [8 when 01 ?rst mentioned lever.
.
being swung upwardly will swing the lever I'l
3. A fastening device comprising spaced sub
upwardly. The extensions 24 are engageable
stantially parallel frame members, a curved
with the projections 25 in the operative position
member extending between and pivotally con
of the parts with the curved member 2 in closed
nected to said frame members and cooperating
position.
v
»
therewith in the closed position of said curved
The frame members 4 and 5 are formed with
member to form an eye for receiving an attach
the shoulders 21 in their edges for engagement
ment member and retaining means for holding
by the ends of the extensions 24 of the lever l8
vsaid curved member in closed position, said re
when the retaining means 3 is subjected to force
taining means comprising spaced substantially
by the curved member 2 as the result of a load
parallel lever members embracing said frame
tending to move the curved member to open po
members and pivoted thereto, and other spaced
sition. As a consequence, upward swinging of
substantially parallel lever members in the planes
the lever ll when the parts are in operative po
of said frame members and pivoted to said ?rst
sition is limited. The portions of the edges of
mentioned lever members and having parts for
the frame members immediately adjacent and
fulcruming on said frame members intermediate
below the shoulders, as in Figure 1, are engage
the pivot between said frame members and ?rst
able by the extensions 24 and serve as fulcrums
mentioned lever members and the pivot between
for the lever members 20 when force is exerted
said ?rst and second mentioned lever members,
either by hand upon the transverse part 22 or
4. A fastening device comprising a frame hav
by a lanyard or rope connected to the transverse
part to move the retaining means to a position
ing an attaching means at one end, a curved
member cooperating with said frame in the
.to release the curved member and allow it to
open. In the operative position of the parts, the
closed position of said curved member to form
an eye for receiving an attachment member and
ends of the extensions 24 of the lever members
retaining means for holding said curved member
20 and also the shoulders 21 are above the line
connecting the axes of the pivot pins [3 and I4
in closed position, said retaining means com
prising pivotally connected levers and a pin ex
tending between and forming a pivot for said
levers and a retaining member for said curved
and are, therefore, past dead center to thereby
serve in more effectively locking the parts in
closed position.
.
member, one of said levers being pivoted to said
frame and the otherof said levers having an
' It will thus be seen that by forming the re
tainingmeans of levers pivotally connected to
actuating part at its free end and a part for ful
gether with one pivotally connected to the frame
cruming on said frame intermediate said pin and
and the other adapted to fulcrum 0n the frame
the pivot for said ?rst mentioned lever, and co
intermediate the pivot connecting the levers to
operating means on said curved member and
gether and the pivot connecting one lever to the 40 second lever for yieldably securing said second
frame increased leverage is provided for releas
lever in place to hold said‘ curved member in
ing the pelican hook. It will also be seen that a
closed position.
7
strong substantial construction of pelican hook is
provided.
5. A fastening device comprising spaced sub
stantially parallel frame members having corre
sponding edges formed with shoulders, a curved
member extending between and pivoted to said
‘
What I claim as my invention is:
1. A fastening device comprising a frame hav
ing attaching means at one end, a member coop
frame members and cooperating therewith in the ,
erating‘with said frame in the closed position
closed position of said curved member to form
of said member to form an eye for receiving an
an eye for receiving an attachment member and
attachment member and retaining means for '
retaining means for holding said curved member
in closed position, said retaining means compris
ing lever members embracing and pivotally con
nected to said frame members, and vother lever
members in the planes of said frame members
holding said ?rst mentioned member in closed
position, said retaining means comprising a lever
pivoted to said frame and a second lever pivoted
. to said ?rst mentioned lever and having an actu
atinglpart and a second part for fulcruming on
said frame intermediate the pivot between said
frame and ?rst mentioned lever and the pivot
between said levers.
/
i 2. A fastening device comprising a frame hav
ing attaching means at one end, a member coop
erating with said frame in the closed position of
said member to form an eye for receiving an at
taching member and retaining means for hold
ing said ?rst mentioned member in closed posi
tion, said retaining means comprising pivotally
connected levers having limited angular move
mentrelative to'each other and a pin extending
" between and forming a pivot for said levers and
a retaining member for said ?rst mentioned
and pivotally connected to and having limited
angular movement with respect to said ?rst mene
tioned lever members, and cooperating means on
said curved member and other lever members for
yieldably holding said other lever members in
GO position to hold said curved member in closed
position, said other lever members having parts
for fulcruming on said frame members during
the opening movement of said other lever mem
bers and said other lever members also being
engageable with said shoulders to limit opening 1‘
movement of said ?rst mentioned lever members
under force exerted by saidcurved member. _
WILLIAM ROBERT MACCLUNEY.
'
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