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Патент USA US2411625

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Nov. 26, 1946.
2,411,625
J. C. JAQUES
SNATCH BLOCK
Filed April 21;, 1945 '
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2 Sheets-Sheet 1
Jblzrz C AqueZISMW ~
‘ Nov. 26, 1946.
‘ J. c. JAQ'uEs
2,41 1,625
SNATCH BLOCK
Filed April 21, 1945
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Patented Nov. 26, 1946
2,411,625
UNITED STATES PATENT vQI-‘FICE
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SNATCH BLOCK
J ohn' C. Jaques, Denison, Tex.
Application April 21, 1945, Serial No. 589,539
3 Claims.
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(01. 254-194) .
1
2
This invention relates to new and useful im
provements in snatch block's.
One object of the invention is to provide an
improved snatch block wherein a simple and
end thereof and the bottom of said vertical slot
is substantially semicircular, as-indicated at 2|.
The shank l3 of the plate II is formed with a
‘vertical slot 22, opposite and complementary to
the slot 20. The slot 22 also has a substantially
novel latch means is employed and the use of
nuts, bolts, pivoted latches and other complica
semicircular bottom 23.
tions are eliminated.
A latch block or member 24, as is best shown in.
A particular object of the invention is to pro
Fig. 4, is adapted to engage in the vertical slots
vide an improved device involving a readily oper
_ 20 and 22 and to rest on the bottoms thereof be
ated and efficient cross latching member for the 10 tween the shanks of the side plates. At its cen
side plates which is sturdy, inexpensive and free
tral portion the block is formed with a depend
of separable parts, thus permitting it to be made
ing enlargement or boss 25 and at its ends with
‘ as a single unit, whereby it adequately fastens the
flat upright cheek or face portions 26. Depend
side plates together, but effectively holds them
against spreading.
Another object of the invention is to provide
ing lugs 21, having substantially semicircular bot
toms, _ constitute the lower ends of the cheek
portions 26. Between the lugs the block is pro
vided on it's under side with substantially semi
an improved latching or fastening means which
may be operated by a simple lifting and sliding
circularshoulders or hearing portions 28.
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movement to open or close‘the block; ‘
When the block is mounted in the slots 20 and
Y A further object of the invention is to provide 20 22‘the shoulders 28 will rest upon the bottoms 2|
an improved snatch blockincluding a, latch mem
and 23, the boss 25 will depend between the plates
ber permanently attached to the blockand ar-‘‘
below
saidlbottoms and the lugs 21 will overhang
ranged to be shifted so as to su?iciently open the
the outer faces'of the side plates. It will be ob
block to permit a cable to be inserted in the block ' ~ served that the block has a width less than the
orremoved therefrom.
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25 widths of the slots 20 and 23,, whereby said block
A construction designed to carry out the in
has ample ‘clearance therein; however the shoul
vention .will be hereinafter described together
ders have a width only slightly greater than the‘
with other features of the invention.
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thickness of 'each plate so that the block is held
The invention will be more readily understood
against excessive end play by the boss 25 and the
30
from a. reading of the following speci?cation and
lugs 21.
by reference to the accompanying drawings,
wherein an example of the invention is shown,
and wherein:
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Fig. 1 is a view of a snatch block constructed
in accordance with the inventiompartly in per
spective and partly in section,
' 29.
,
35
Fig. 3 is a transverse sectional view of the lower
Fig. 4 is a perspective-view of the latch block.
In the drawings, the numeral l0 designates a
side plate, and I l a complementary side plate.
The plates are formed with enlarged arcuate head
"
This bar has a rectangular shape and 'is'
but could be welded thereto. When the block is.
in place the bar extends transversely of the
outer face of the plate ID, a substantial distance
on each side of theslot 20. While the bar 29
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portion of the block, and
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preferably made integral with the block body,
Fig. 2 is a reduced perspective view of the _
opposite side of the block,
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The cheek portion 21‘ which overhangs the
plate In is formed with a‘transverse latch bar
is spaced from the plate ID by the adjacent lug
40 21, it has su?i'cient length to prevent relative
displacement of the said plate and the block and
in actual construction is close enough to the
’ plate to prevent undue spreading of the latter.
It is pointed out that the Width of the block
24 is such as to permit it to be passed through
therefrom. An axle I 4 is rotatably confined in
both of the vertical slots 20 and 22. The latch
r and across the heads by nuts I 5 fastened by
block is initially passed through the slots 20 and
lock nuts IS. A sheave or pulley I1 is mounted
22 from the right hand side of the snatch block
on the axle between the plates. The particular
(Figs. 1 and 3). After the latch block is in posi
construction of pulley mounting is not involved 50 tion, a keeper bar 30 of substantially the same
in the invention.
size and shape as the bar 29 is welded or other
The shank l3 of the plate- in is provided with. . wise fastened to the cheek 26 adjacent the plate
a cruciform opening l8 including a‘. transverse
H and in horizontal alinement with the‘bar 29.
slot l9 and a vertical slot 20. The transverse
By this arrangement the latch block becomes
slot intersects the vertical slot nearer the upper 55 a movable, but permanent part of the snatch
portions l2 having reduced shanks I3 extending
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2,411,625
block and cannot become detached therefrom.
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the plates for preventing spreading of the plates,
said lugs and boss forming a portion of the one
To open the snatch block it is merely necessary
piece latch block, and bars secured to the ends
to lift the latch block 24 upwardly in the slots 20
of the latch block and spaced from the side
and 22 until the latch bar 29 registers with the
plates, one of said plates having an additional
horizontal slot l9. By moving the block 24 trans CR slot for the passage of one of the bars to allow
versely of the plates and toward the right (Figs.
lateral shifting of the latch block to open the
1 and 3), the bar 29 will pass through the slot
snatch block, said bars permanently con?ning
is and come to rest against the inner face of
the block within the slot of one plate.
the plate II. It will be noted that only the bar
2.,A snatch block including,‘ a pair of side
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29 remains between the shanks l3 of the side
plates having a’pulley journaled therebetween,
plates and otherwise the space therebetween is
each of said plates having an elongate slot, one
unobstructed, whereby access may be had to the
of which slots is cruciform, a one-piece latch
pulley H for removing or placing a cable in the
block disposed in said slots between the plates
snatch block. The bar 23, coacting with the
‘and having a boss intermediate the ends of the
keeper bar 30 will prevent longitudinal displace
block ‘engaging when in an operative position
ment of the latch block from the plate l I, when”
between the side plates for preventing the plates
said latch block is moved in eithendirection'.
from being forced together, bearing portions on
The method of latching or closing the snatch
the latch block engaging the plates, and lugs
block is believed to be obvious. While it is not
on thelatch block outward of the bearing portions
necessary to rotate the side plate ID on the axle
engaging the outer sides of the plates for pre
Hi, this may be done if desired, to further open
ventingspreadi-ng of the plates, said lugs and boss
the snatch block. 1
forming a portion of, the one-piece latch block,
. For supporting a hook or other attachment,
and bars secured to the ends of the latch block
the top of the latch block 24, above the boss 25,
and spaced from the side plates, the cruciform
is iormedwith a transverse recess 3! having an
slot permitting and providing for the passage of
arcuate bottom 32. The latch block is a single
one of the bars to allow lateral shifting of the
unit and with the slots 19, 20, and .2! forms a
latch block to open the snatch block, said bars
very ‘simple and substantial latching means.
permanently con?ning the block Within the slot
The weight imparted by the boss 25, as well as
the downwardly offset projection thereof, aids
of one plate.
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3. A snatch block including, a pair of side
in holding the latch block at the bottoms of the
plates having a pulley journaled therebetween,
vertical slots. When a load is imposed upon the
each of said plates having a slot spaced from the
latch block the shoulders 28 will be held ?rmly
pulley, a one-piece latch block disposed in said
in engagement with the slot bottoms 2| and 23
slots between the plates and having a boss in
and the lugs 21 and boss 25 will con?ne the 35 termediate the ends of the block engaging when
shanks l2 of the side plates against spreading.
The foregoing description of the invention is
explanatory thereof and various changes in the
size, shape and materials, as well as in the details
of the illustrated construction may be made, so
long as within the scope of the appended claims,
without departing from the spirit of the inven
in an operative position between the side plates
for preventing the plates from being forced ‘to
gether, bearingportions on the latch block en
gaging the'plates, yandllugs on the latch block
; outward of the bearing portions engaging the
outer sides of the‘ plates for ‘preventing spreading
of the plates, said‘lugs andboss. forming a por
tion.
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tion of the one-piece latch block, and barsv se
What I claim and desire to secure by Letters
45 cured torthe ends. of the latch block and spaced
Patent is:
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from the side plates, at least one of said bars,
l. A snatch block including, a pair of side plates
being. less in width than the latch block in
having a pulley journaled therebetween, each
heighth ‘so that the bar may be welded to they
of said plates having a slot spaced from the pul
latch block from'the outer sideof the bar, one
ley, a one-piece latch block disposed in said slots
of said plates having an additional slotior the
between the plates and having a boss intermedi
passage of one of the bars to allow lateral shift
ate the ends of the block engaging whenin an
ing of ‘the latch block to open the snatch block,
operative position between the side plates for
said
bars permanentlycon-?ning the block within
preventing the plates from being forced together,
the slot of one plate.
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bearing portions on the latch block engaging the
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JOHN _C., JAQUES.
latch
block
outward
of’
plates, and lugs on the
the bearing portions engaging the outer sides of
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