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Patented Dec. 1 7„` 11946
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2,412,795
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Afne‘o. Abrahamsëmßrooklyn, N. Y.
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l ` Application october 12, 19'45,seria1N0. 622,002
4 Claims.
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This invention relates to improvements lin de
vices fo-r manually twisting or untwisting the
strands of a wire rope or cable, and one of its
objects is to provide a device by means of which
(01.57-1)
Z
provide a slot I8, in which the lower end of the
lever I9 is disposed. This lever is supported on
the pivot pin 2U, which extends through the bear
ings IB and I'I and through the lever, and is pro
wire rope may be clamped by the operation of a 5 vided with a screw thread 20a to engage the bear
lever, and by continued pressure on the lever may
ing I6, and a head 20h to engage the bearing I'I.
be turned to untwist or twist the strands of the
The lower end of the lever is formed with a
wire rope or cable.
lateral foot or jaw ZI, which is provided with
Another object of the invention is to provide a
clutch teeth 2Ia, to engage the wire rope, indi
device of this character, with a stationary bearing
cated at R. These teeth are disposed in a convex
in which the twisting device may be mounted so
curve and the foot or jaw 2| is offset relative to
that a left twisted wire rope or cable or a right
the major axis of the lever, the pivot pin and the
twisted wire rope or cable may be manipulated.>
bearings IS and I'I being disposed to one `side of
With the above and other objects in view the
the vertical plane deñned bythe rope receiving
invention comprises certain newand useful con 15 slot or groove I5.
structions, combinations and arrangements of
The wire rope or cable to be twisted or untwisted
parts, clearly described in the following speciñca- . is passed through a standard clamping device or
tion, and fully illustrated in the drawing, in
vise 22, mounted on a stationary support 23, lo
which:
Y
lcated at a suitable working distance from the
Fig. 1 is a view in elevation, showing a -wire 20 standard 5.
rope engaged by the manual twisting tool.
By swinging the lever to the right in the posi
Fig. 2 is a side elevation of the stationary bear
tion shown in Fig. 4, the lateral foot or jaw 2|
ing, showing the twisting device mounted therein,
will be forced into clutching relation with the
the lever being broken away for convenience.
rope or cable, and by continuing the movement
Fig. 3 is an enlarged edge view, the lever being 25 of the lever in the same direction, the rope will
broken away.
be subjected to a twisting or untwisting opera
Fig. 4 is a view partly in elevation and partly
tion, depending on whether the wire rope or cable
in vertical section, taken on line 4_4 of Fig. 3,
has a right or left twist. The cable is subjected
looking in the direction of the arrows.
to continued twisting, by` turning the entire
30
Fig. 5 is a side elevation, the lower standard
twisting device, including the base I3 and the
being broken away.
Fig. 6 is a side elevation of the base of the
lever I9 in one or more complete circles on the
bosses 9 and I0 of the stationary bearing sup
port l. By reversing the position of the twist
ing head and lever on this support, by withdraw
ignates a vertical support or standard, having a 35 ing the stub shaft I2 and inserting the stub shaft
base 6. On the upper end of this support the
I4, the device may be adapted for handling a
plate 'I is attached -by the bolts 8.
left twisted wire rope or cable.
The plate 1 is formed with integral bosses 9
My invention will be found extremely` useful
and I0, which are formed with a slot II, and the
in connection with the repair and splicing of
plate 'I is also formed with an upwardly extend 40 wire cables, and enables one man to either open
ing slot la, which registers with the slot II, the
up the twisted strands of the wire rope or cable,
upper end of which widens.
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or to close these strands to produce the correct
The horizontal slot II is constructed to receive
lay of the strands upon the rope or cable, and '
the trunnion or integral stub shaft I2 of the
to insure uniform diameter and ñow of the com
twister base I3, which is also formed with another 45 pleted cable or rope, when subject to load oper
twister.
Referring to the accompanying drawing 5 des
trunnion or integral stub shaft I4 on .the oppo
site side thereof. The base is also provided with
bearing faces I 3a and I3b which are adapted to
have flush bearing against the end face of the
ations of all character.
`
It is understood that various changes in the
details of construction, their combination and
arrangement, may be made, and various mate
boss I0. The base I3 is also formed with a groove 50
rials
used in carrying out the invention, as de
I5, which extends through the stub shafts I2 and
fined by the claims herein set forth.`
I4, which is adapted to receive a wire rope or i
Having described the invention, I claim as
cable.
new:
The base I3 is formed with opposing bearings
I6 and I'I‘, which‘are spaced from each other to 55 l; A Wire rope twister, comprising a station
ary bearing, a base having a slotted stub shaft
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2,412,795
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mounted to turn in the bearing, and a lever piv-oted on the base and provided with a jaw adapt
ed to clamp a wire rope in the slotted stub shaft.
2. A wire rope twisting device, comprising a
stationary bearing, a base having a slot therein
to receive the wire rope to be subjected to twist
ing, and a lever pivoted on the base and adapt
ed to clamp the wire rope in the slot, the base
being mounted to turn _inthe bearing.
3. A Wire rope’ twisting device, comprising a
stationary bearing, Isaid bearing having a verti
cal slot to receive a wire rope, a base having a
slotted stub shaft mounted to turn in the bear
ing, a lever pivoted to the base and` provided
with a curvedangular jaw formed with teeth
to bite into the rope and clamp the same so that
4
by turning the lever and the base the rope may
betwisted or untwisted.
4. A wirerrope twisting device, comprising‘a
stationary bearing having a slot therein, a vise
for holding a wire rope against turning, a. base
having stud shafts on opposite sides thereof,
either of which may be mounted in the bearing,
said base having a slot intermediate of said stub
shafts and said stud shafts >having a wire rope -
receiving slot, and a vlever pivoted inthe slot
'of the base and provided with a curved angular>
jaw on its lower end adapted to engage a wire rope
and clamp the same against turning in said
slotted stud shafts and to permit of the turning
of the base on said stationary bearing.
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ARNE C. ABRAHAMSEN.
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