US1657348A - Tool - Google Patents

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Publication number
US1657348A
US1657348A US137798A US13779826A US1657348A US 1657348 A US1657348 A US 1657348A US 137798 A US137798 A US 137798A US 13779826 A US13779826 A US 13779826A US 1657348 A US1657348 A US 1657348A
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US
United States
Prior art keywords
tool
recess
members
spring
pliers
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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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US137798A
Inventor
John B Drumm
Original Assignee
John B Drumm
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Publication date
Application filed by John B Drumm filed Critical John B Drumm
Priority to US137798A priority Critical patent/US1657348A/en
Application granted granted Critical
Publication of US1657348A publication Critical patent/US1657348A/en
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Expired - Lifetime legal-status Critical Current

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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
    • B25B7/18Adjusting means for the operating arms
    • 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
    • B25B7/06Joints
    • 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
    • B25B7/06Joints
    • B25B7/10Joints with adjustable fulcrum

Description

Jan. 24, 1928.

J. B. DRUMM TOOL Filed Sept 25? 1925 Patented Jan. 24, 1928. I 1,657,343

UNITED STATES PATENT OFFICE,

JQHN 1B. DRUMM, F WINSLOW, ARIZONA.

TOOL.

Application filed September 25, 1926. Serial No. 137,798.

This invent-ion relates to new and useful small circular opening 18, which receives one improvements in tools, and particularly to angularly turned end of a coil spring 19, pliers. which is seated in the recesses, when the (lne object of the invention is to provide a members 10 and 11 are properly secured a tool of this character which normally remains together by means of the pivot bolt 16. In

in open position, ready to be easily engaged the bottom of the recess of the other member with the work, and which will automatically 11, there is formed an elongated arcuate slot, open, when pressure is released from the shown at 20 as being concentric with the bolt handles of the tool. opening 21, thereof, said slot receiving the re Another object is to provide a tool of this other angularly turned end of the said coil co character wherein the jaw members are spring 19.

adapted to be shifted to engage with large The normal tendency of the spring is to or small work, and wherein the automatic spread its ends apart whereby to exert pivopening is properly associated with the tool, otal movement on the members and 11, so

it so that the jaws will open regardless of that the jaws will be yieldably held sepa- 05 whether the pliers are adjusted for large or rated for easy and quick straddling of the small work. work to be operated upon. Upon grasping Other objects and advantages will be the handles of the pliers, and moving them apparent from the following description toward each other the jaws will be engaged as when taken in connection with the accom with the work, and upon releasing the grip 70 panying drawing. on the handles, the spring will expand to In the drawing: move the jaws away from each other.

Figure 1 is a plan view of one member of The slot permits the end of the spring the pliers, showing the spring being shown therein to move, when the members 10 and in therecess. 11 are shifted, as when adjusting for diifer- Figure 2 is a plan view of the other mement sized. work, and whereby the action of the her of the pliers, showing the spring receivspring will remain the same.

ing recess, the spring being omitted. lVhat is claimed is:

Figure 3 is a sectional view of the pliers, 1. A tool comprlsing a pair of pivotally 30 the parts being in assembled positlon. connected members, each of the members Referring particularly to the accompanyhaving a recess in its pivotal portion, one of ing drawing, 10 and 11 represent the mem the recesses having an arcuate groove in its bers of the pliers, each including a handle bottom wall, and a spring seatedin said portion and a jaw portion, represented, rerecesses and having one of its ends anchored 5 spectively by the numerals 12 and 18. In in the bottom of one of the recesses and its the pivotal portion let, of each of the memother end movably engaged in the arcuate bers 10 and 11 there is formed a circular groove of the other recess, for normally and recess 15, that in the member 10 being of yieldably maintaining the members in open slightly larger diameter than that in the position.

40 member 11, for a purpose which will appear 2. A tool comprising a pair of pivotally later herein. A pivot bolt 16 is disposed connected and laterally shiftable members through the pivotal portions of the members each having a recess in its pivotal portion,

10 and 11, and passes through the centers of the bottom of one recess having an opening, the said recesses. The opening in the botthe bottom of the other recess having a slot,

45 tom of the recess of the member 10 is elonand a coil spring seated in the registered gated, as shown at 17, whereby to permit recesses and having its ends engaged in the moving the members transversely of each opening and slot, respectively. other, as in this well known type of shiftable In testimony whereof, I affix my signature. pliers. In the bottom of the said recess, I

50 adjacent one end of the opening 17, is a JOHN B.DRUMM.

US137798A 1926-09-25 1926-09-25 Tool Expired - Lifetime US1657348A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US137798A US1657348A (en) 1926-09-25 1926-09-25 Tool

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Application Number Priority Date Filing Date Title
US137798A US1657348A (en) 1926-09-25 1926-09-25 Tool

Publications (1)

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US1657348A true US1657348A (en) 1928-01-24

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Family Applications (1)

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US137798A Expired - Lifetime US1657348A (en) 1926-09-25 1926-09-25 Tool

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847889A (en) * 1955-01-24 1958-08-19 Lewis Phillips J Gripping tool jaws
US3575070A (en) * 1968-10-14 1971-04-13 Osborn Mfg Corp Pincer-type tool
US4669340A (en) * 1985-11-02 1987-06-02 Igarashi Plier Co., Ltd. Slip-joint pliers
US4903558A (en) * 1989-03-06 1990-02-27 Le Duc Don Slip-joint pliers
US5669647A (en) * 1996-05-10 1997-09-23 Magic Mold Corporation Pan gripper or the like
US5673955A (en) * 1996-05-10 1997-10-07 Magic Mold Corporation Pan gripper or the like with spring anchor
US5904078A (en) * 1997-07-28 1999-05-18 Snap-On Technologies, Inc. Pliers with flush joint bias spring
US6296365B1 (en) 2000-02-04 2001-10-02 Mccalla Company Lighted hand tool
US6647835B1 (en) * 2002-10-17 2003-11-18 Awi Acquisition Company Pliers with replaceable jaws
US20050011321A1 (en) * 2003-07-17 2005-01-20 Chih-Ching Hsien Pliers assembly
US20120011970A1 (en) * 2010-07-16 2012-01-19 Jin Fu Chen Pliers with restoring function
US8555754B2 (en) 2010-12-06 2013-10-15 Js Products, Inc. Biased pliers
US9221184B1 (en) * 2015-06-08 2015-12-29 Chikamasa Co., Ltd. Shaft section structure of scissors

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847889A (en) * 1955-01-24 1958-08-19 Lewis Phillips J Gripping tool jaws
US3575070A (en) * 1968-10-14 1971-04-13 Osborn Mfg Corp Pincer-type tool
US4669340A (en) * 1985-11-02 1987-06-02 Igarashi Plier Co., Ltd. Slip-joint pliers
US4903558A (en) * 1989-03-06 1990-02-27 Le Duc Don Slip-joint pliers
US5669647A (en) * 1996-05-10 1997-09-23 Magic Mold Corporation Pan gripper or the like
US5673955A (en) * 1996-05-10 1997-10-07 Magic Mold Corporation Pan gripper or the like with spring anchor
US5904078A (en) * 1997-07-28 1999-05-18 Snap-On Technologies, Inc. Pliers with flush joint bias spring
US6296365B1 (en) 2000-02-04 2001-10-02 Mccalla Company Lighted hand tool
US6647835B1 (en) * 2002-10-17 2003-11-18 Awi Acquisition Company Pliers with replaceable jaws
US20050011321A1 (en) * 2003-07-17 2005-01-20 Chih-Ching Hsien Pliers assembly
US20120011970A1 (en) * 2010-07-16 2012-01-19 Jin Fu Chen Pliers with restoring function
US8555754B2 (en) 2010-12-06 2013-10-15 Js Products, Inc. Biased pliers
US9221184B1 (en) * 2015-06-08 2015-12-29 Chikamasa Co., Ltd. Shaft section structure of scissors

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