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Pliers.

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Publication number
US1250690A
US1250690A US16841317A US1250690A US 1250690 A US1250690 A US 1250690A US 16841317 A US16841317 A US 16841317A US 1250690 A US1250690 A US 1250690A
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Grant
Patent type
Prior art keywords
jaws
levers
jaw
end
gripping
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
Francis J Stallings
Original Assignee
Matt Faber
George Stephan
Francis J Stallings
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears

Description

F. J. STALLINGS.

PLIEBS.

APPLlcMloN H11-:D MAYH. lal?.

Patented De@.18,1917.

dllllllllllm" :FRANCIS J. sTALLINGs, oF EEEINGHAM, IEEIlvoIsaAsisrGNoE or EWE-TWENTY. V;

EoUETHs To MATT FABER AND FIVE vBotrH oErEEE-INGHAM, ILLINos. i-

TWENTY-roomate To GEORGE STEPHAN,

. .ELIERs f Specification of Letters Patent. vPatented Dec. 18,1917. i

Application led Maly 14, 1917, Serial No. 168,413.

To aZZ whom it may concern Be it known that I, FRANCIS J, STALLINGS, a. citizen of the United States` residing at Effingham, in the county of Effingham and State of Illinois, have invented certain new and useful Improvements in Pliers, of which the following is a specilication.

My invention relates to an improvement in pliers, and the object is to provide pliers which will afford a gripping engagement from three different points upon the object gripped.

With this object in view, my present invention consists in av pair of jaws pivoted together, a jaw slidably mounted between the pivot, jaws astride the pivot and having means thereon, operated and controlled, wherebv said slidable jaw is operated and controlled by cam action of the jawl levers to positively7 slide said slidable jaw in opposite directions.

In the accompanying drawings,

Figure 1 is a view in side elevation with the jaws apart;

Fig. 2 is a similar viewshowing the position of the parts when the jaws are together or in the gripping position;

Fig. 3 is an end elevation looking forwardly toward the cams; and

Fig. 4 is a sectional view.

A and B are the two main levers pivoted together in the usual manner at the crossing point by means of bolt 1 and terminating at their forward ends in gripping jaws 2 and 3.

The numeral 4 indicates an intermediate f sliding jaw having a toothed end 5, which cooperates with the pivoted gripping jaws 2 and 3. This sliding jaw 4 has a slot 6 eX- tending longitudinally thereof, through which the bolt 1 passes, extending loosely between the crossing or intersecting point of the two jaws 2 and 3.

The levers A and B are provided with inwardly-extending plates in which are formed the slots 7 and 8, which latter eX- tend diagonally in a general direction from one lever toward the outer end of the other lever` when the jaws are open, as shown in Fig. 1, they intersecting each other when the jaws are closed in the form of the letter X, as shown in Fig. 2. The sliding jaw 4 is kfor the purpose. y

provided rwith oppositely-extending studs 9 and'lO, which enter the .slots 7 and-8 respectively on either side thereof, as clearly shown in' Fig. 3, so that' theopening and 55 closing of the jaws has the effect of a cam action' through the medium of the Aslots 7 and 8 and studs 9 and 10, which results in forcing the .jaw l endwise, or, in 'other words, out toward the ends of jaws 2 vand 3 60 when the levers A and B are brought together (as shownin Fig. 2) and in the opposite direction when they are opened or forced apart (as shown in Fig. 1).

In this way a powerful grip is obtained l upon the object from three different points simultaneously, without undue strain upon the Yoperatorie hands, and thereby providing a simple, inexpensive and etfectual article I claimzl 1. Pliers comprising a pair of levers pivoted together and having gripping jaws atv one end. a slidable jaw having outwardly projecting studs, the levers having inwardly extending plates which are provided with diagonally disposed slots extending from a point on one lever in the general direction of the pivot and toward the outer l end of the opposite lever, said slots receiving the studs on the slidable jaw whereby to impart a positive in and out sliding action to the slidable jaw asthe handles are operated.

2. Pliers comprising a pair of levers pivoted together and having gripping jaws at one end, said levers having portions provided with diagonally disposed slots eX- tending at an angle to the general direction of the levers, said portions being spaced apart, and a slidable jaw coperating with the gripping jaws and extending betweenl said slotted portions, and having studs which enter and are adapted to slide in the slots as a means whereby the sliding jaw is moved back and forth with the movement of i the levers.

3. Pliers comprisingv a pair of levers pivoted together, and having gripping jaws' at one end, a jaw slidably mounted betweenl the levers and astride the pivot which holds 1.00 them together, and provided at the' rear or inner end with outwardly-projecting studs,

the levers having diagonally-disposed cam and Wllen s acl levers are forced apart, in the means which recelve said stud, said cam 0pp0s1te d1rect1on. means extending from a point on one leve;` In testimony whereof afx my signature. 1g

in the general locality of the pvot toward FRANCIS J. STALLINGS. a the ter end of the opposite lever, whereby Wtesses':

when the levers are forced togetherthe Slil-V l/VALTER E. RINEHART,

ing javv is' moved twajrcl the pvoted jaws, Jaim F. Dmxs.

copies of this patent may be obtained for ve cents Aeach, by adssing the v,(Jominisslonei' ofatents, Washington; D. C.

US1250690A 1917-05-14 1917-05-14 Pliers. Expired - Lifetime US1250690A (en)

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US1250690A US1250690A (en) 1917-05-14 1917-05-14 Pliers.

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US1250690A US1250690A (en) 1917-05-14 1917-05-14 Pliers.

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US1250690A true US1250690A (en) 1917-12-18

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806734A (en) * 1955-04-12 1957-09-17 Shox Stok Inc Grubbing tongs
US2840081A (en) * 1957-02-05 1958-06-24 Dale H Moose Navel cord bander
US4572179A (en) * 1981-08-21 1986-02-25 Teitelbaum Jay M Apparatus for removing swine tails
US4742736A (en) * 1986-08-22 1988-05-10 Lisle Corporation Band clamp pliers
US5195353A (en) * 1991-06-20 1993-03-23 Electroline Corp. Tools for crimping tubular elements on wire or cabling
US5249234A (en) * 1991-10-11 1993-09-28 Butler Michael J Cover for behind-the-ear type hearing aids and methods of making and using the same
US6205892B1 (en) 1999-01-25 2001-03-27 Johnnie F. Davidson Adjustable wrench

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806734A (en) * 1955-04-12 1957-09-17 Shox Stok Inc Grubbing tongs
US2840081A (en) * 1957-02-05 1958-06-24 Dale H Moose Navel cord bander
US4572179A (en) * 1981-08-21 1986-02-25 Teitelbaum Jay M Apparatus for removing swine tails
US4742736A (en) * 1986-08-22 1988-05-10 Lisle Corporation Band clamp pliers
US5195353A (en) * 1991-06-20 1993-03-23 Electroline Corp. Tools for crimping tubular elements on wire or cabling
US5307565A (en) * 1991-06-20 1994-05-03 Electroline Corp. Hand tool with ratchet action jams
US5249234A (en) * 1991-10-11 1993-09-28 Butler Michael J Cover for behind-the-ear type hearing aids and methods of making and using the same
US6205892B1 (en) 1999-01-25 2001-03-27 Johnnie F. Davidson Adjustable wrench

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