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c, 31, 1946.
Filed Feb. 7, 1945
2 Sheets-Sheetv l
I "J9 a 43
Rudoéok yevler'ka/
‘ Jférrigé
Dec. 31, 1946.
2,413,392 .
Filed Feb. '7, 1945
2 vSheets-Sheet 2
J’i’udoZ/vh Véver’?'w
Patented Dec. 31, 1946
Rudolph Veverka, BayportgN. Y.
Application February 7, 1945, Serial No. 576,596.
5 Claims.
(Cl. 294--83)
This invention relates to clasps, more particu
larly to clasps which are designed for quick
25 which in the open position, abuts‘ a portion
26 of the clasp to limit its movement. It will
be noted that in the closed position, the toe of
the hook engages the portion 26 to prevent the
passage of foreign matter into the clasp.
release. A particular object of the invention is
to provide a clasp suitable for use on a para
chute harness wherein it is essential that the
clasp function easily and smoothly. A further
Pivoted at 3!! is a release block 3| upon which
object is to provide a clasp of a type whichv will
is pivoted the locking ear 32. The bottom of
withstand heavy loads up to for instance 2500
the release block 31 is recessed to receive a ?oating
lbs. but which will still release when properly
lock 35 having an opening therein 36 through
operated. In clasps of this type it has been found .10 which it may be fastened by means of the bolt 3i’.
that where they are constructed strongly enough
A spring 38, positioned by the pin 39, operates
to withstand theprescribed loads, they are di?icult
against the bottom of the ?oating lock 35 to
to open and it is‘ desirable to have a clasp which
hold the release block in the locked position.
will function smoothly under heavy loads.
It will be noted that in the locked position the
It further object of the invention is to provide
locking ear 32 engages the shoulder 25 on the
a clasp which will not open accidentally as for
hook 28 and is itself pressed against the shoulder
instance by its catch coming into contact with
34. , It will be understood that on either side of
another portion of the parachute harness or
the clasp there is a. pivoted trigger 40 having a
with a portion of clothing. Accordingly this in
cutout portion 4! engaging the arms 42 and 43
vention embraces a clasp which requires positive
of the locking block 35, so that when pressure
operation on both sides to open. Other objects
is brought on both triggers, on both sides of the
and advantages of my invention will appear from
clasp, equal pressure is brought against the
the description and drawings, of which
arms 132 and 43, thus pivoting the release block
downwardly into the position shown in Figure 3
Figure 1 is a cross sectional view of a clasp
embodying the preferred form of my invention
and allowing the hook to swing into the open
and is taken on the line l—l of Figure 2.
- Figure 2 is an edge view of the clasp.
In order to prevent accidental opening I have
Figure 3 is a view similar to Figure 1 which
provided means whereby it is necessary for both
shows the clasp in the open position.
triggers to be operated simultaneously. It will
Figure 4 is a side view of my clasp.
be noted that the locking block ?oats on the
Figure 5 is an enlarged detailed View taken on
screw 31. The casing of the clasp is recessed
the line 5--5 of Figure 1.
slightly on either side at 45 and 48 to de?ne a
Figure 6 is a detailed view of the locking block.
shoulder at each point. Should only one trigger
Figure 7 is a detailed View of one of the oper
40 be operated pressure will be exerted on only
ating springs.
one of the arms 42 and 43 and the locking block
Figure 8 is a cross sectional view of a modi?ed
will pivot into contact with one of the shoulders
form of my invention.
t5 or 46 to prevent further movement. Thus it
Figure 9 is a side view of the clasp shown in
wil1 become apparent that it is necessary to oper
Figure 8.
ate both triggers simultaneously to release the
Figure 10 is a detailed enlargement taken on
hook 20.
the line lil—l9 of Figure 8.
It will be noted that the bottom of the hook 20
Figures 11 and 12 are detailed views of the
in the locked position is past the center of the
locking parts.
pivot 21 so that in the locked position the shoul
Referring more particularly to the drawings
der 25 is ?ve or ten degrees past the center line.
and the form of the invention shown in Figures
This relieves the stress from the nose of the hook
1 to 7, inclusive, my clasp H] is shown as used
and eliminates most of the outward pull and
to connect two parts H and IQ of the parachute
pressure against the ear 32. This not only re
harness. The clasp ID releasably engages the
lieves stress but makes operation easier under
ring l4 and a ring I5 is pivoted at Hi to the
heavy loads. The nose of the ear 32 in a locked
other end of the clasp. The ring 14 is engaged 50 position is likewise about three degrees past the
by the rotating hook 2B, which is pivoted at 2|.
line taken from the pivot 3-0 so that it does not
A spring 22, mounted on the pin 23, operates ‘
rely upon the spring 38 to maintain it 'in the
locked position when weight is applied.
against the back 24 of the hook to keep the hook
in outward position when not locked. The lower
In the form shown in Figures 8-12, the ?oat
portion of the hook is formed to de?ne a shoulder
ing lock block 35 is eliminated and the release
‘ ing block to prevent the opening of said clasp
unless equal pressure is placed on each of the
release levers.
3. A clasp including a casing, a hook mem
ber pivotally mounted in said casing, means for
holding said hook member in a closed position,
means for releasing said hook member includ
ing a release lever on each side of said casing,
block 50 is of slightly different construction. In
this form, the release block 50 is recessed at 5|,
to receive the locking ear 52, as in the other
form and is provided with. the depending mem
ber 53 which engages a spiral spring 54 posi
tioned in the recess 55 in the clasp. The locking
ear 52 is pivoted on the pin 56 which is engaged
by the release lever 58 positioned on either side
a member pivotally mounted and having an arm
of the clasp and operates through the slots 51 in
the casing.
10 adapted to be engaged by each of said release
It will be apparent that by downward move
ment of the release levers 58 the locking ear will
be disengaged from the shoulder 60 and the
spring 6| will move the hook 59 into the open
position. This clasp is somewhat simpler than
the form shown in Figures 1 to 7 but maybe .,
operated from either vside and does vnot have the ,
safety feature which requires operation from
levers, a recess de?ning a shoulder in said casing
adapted to engage said pivotal member unless
» equal pressure is exerted against each of said
4. In a clasp of the character described, a lock "1
pair of release
one on
each said
side clasp,
of said
a i
clasp, arms‘on said lock member adapted to be '
engaged 'by said release levers and spaced shoul
both sides to prevent accidental opening due to
possible frictional engagement of one of the re 20 ders on said clasp adapted to engage said lock
member if unequa1 pressure is exerted against
lease levers.
said release levers.
I claim:
5. A clasp including a' casing, a hook mem
1. A clasp, comprising a body,,a hook member
ber pivotally mounted in said casing, a shoulder
pivotally mounted in said body, a block having
on said hook member, a block pivotally mounted
a locking ear mounted in said body, said locking
in said casing, said block having a locking ear
ear being adapted to engage said hook member,
adapted to engage said shoulder, a safety lock
a ?oating lock mounted in said block, arms on
having a pair of arms pivotally mounted in said
said lock and release levers on each side of said
block, a spring exerting pressure against the
clasp engaging said arms.
bottom, of said safety look, a pair of release levers,
2. A clasp, including a casing, a hook mem
one on each side of said casing, engaging the
ber pivotally mounted in said casing, means for
arms on said safety lock and means on the in—
holding said hook member in a closed position,
side of said casing adapted to engage said safety
means for releasing said hook member including
look if said lock is tipped by unequal pressure
a release lever on each side of said casing, a
on said release levers.
' .
?oating block engaging said release levers, shoul
ders on said clasp adapted to engage said ?oat
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