US1502192A - Wrench and process of manufacturing the same - Google Patents

Wrench and process of manufacturing the same Download PDF

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Publication number
US1502192A
US1502192A US151670A US15167017A US1502192A US 1502192 A US1502192 A US 1502192A US 151670 A US151670 A US 151670A US 15167017 A US15167017 A US 15167017A US 1502192 A US1502192 A US 1502192A
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US
United States
Prior art keywords
wrench
shank
web
jaw
head
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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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US151670A
Inventor
Helwig John
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Individual
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Individual
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Priority to US151670A priority Critical patent/US1502192A/en
Application granted granted Critical
Publication of US1502192A publication Critical patent/US1502192A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/10—Spanners; Wrenches with adjustable jaws
    • B25B13/12—Spanners; Wrenches with adjustable jaws the jaws being slidable
    • B25B13/16—Spanners; Wrenches with adjustable jaws the jaws being slidable by screw or nut

Definitions

  • the object of my invention is to provide a wrench composed of but few parts and of such construction that these parts can be easily and quickly assembled and when in operating relation cannot accidentally become separated.
  • the invention consists generally in wrench and process of making the same, as hereinafter described and particularly pointed out in the claims.
  • Figure l is a perspective view of a monkey wrench embodying my invention
  • Figure 2 is a perspective view of a portion of the shank of the wrench
  • Figure 3 is a perspective view of the movable jaw detached from the shank
  • Figure 4 is a sectional view on the line 5f-t of Figure l.
  • 2 represents the wrench shank, 3 the stationary jaw thereon at one end, and 4 the handle on the opposite end.
  • This shank is composed of a casting or forging, which may be of malleable iron,
  • 7 represents a movable jaw having a web 8 thereon, provided with a head 9 made by casting or forging, as may be preferred.
  • the molding or forging of the shank to provide the longitudinal opening and the bowed side bars forms the first step in the process.
  • the longitudinal opening is of suflicientwidth when the side bars are bowed outwardly to allow the insertion of the head 9 and the web 8 between them, and when this has been done, pressure is applied to the bars 5 to squeeze them toward each other into parallel relation, the jaw 7 having bearing sur- Serial No. 509,202.
  • a wrench of this character can be manufactured at a comparatively small expense, being composed of but few parts, and can be easily and quickly assembled to form a strong, durable wrench.
  • a process of manufacturing a monkey wrench which consists in first forming a longitudinal opening in the wrench shank,
  • a process of manufacturing a monkey wrench which consists in forming the shank of the stationary jaw with a longitudinal opening and outwardly bowed side bars or rails, inserting the head andv web of a movable jaw through said opening between said bars, then pressing the said bars toward each other until they are in parallel relation, the head of said web being guided by said bars and holding said web in place between them.
  • a wrench comprising ⁇ a shank, having a Xed jaw integral with said shank at one end thereof, and at its other end an integral extension forming a handle, said shank having a longitudinal slot therein, a movable jaw slidable in said slot and having a web with a head wider than said slot, said jaw and head being formed integrally with said web and havingv bearing surfaces engaging the opposite edges of said shank, and an adjusting screw arranged between said movable 'aw and said handle.
  • a wrenc comprising a Xed jaw, a

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Description

J. HELWIG WRENCH AND PROCESS OF MAFCTURING THE SAME Griginal Filed March Patented `luly 22, 1924.
JOHN HE'mmc-, ori s'r. PAUL', rimini-:sera
WRENCH arm-rafocnss or MANUFACTURNG'rrrmsaiwni Application filed March 1, 1917, Serial No. 151,670. Renewed October 20, 1921.
To all whom, t may concern.'
Be it known that I, JOHN HELWIG, citizen of the United States, resident of St. Paul, county of Ramsey, Stateof Minnesota, have invented certain new and useful Improvements in llrenches and Process of Manufacturing the Same, of which the following is a specification.
The object of my invention is to provide a wrench composed of but few parts and of such construction that these parts can be easily and quickly assembled and when in operating relation cannot accidentally become separated.
Other objects of the invention will appear from the following detailed description.
The invention consists generally in wrench and process of making the same, as hereinafter described and particularly pointed out in the claims.
In the accompanying drawings forming part of this specification,
Figure l is a perspective view of a monkey wrench embodying my invention,
Figure 2 is a perspective view of a portion of the shank of the wrench,
Figure 3 is a perspective view of the movable jaw detached from the shank,
Figure 4 is a sectional view on the line 5f-t of Figure l.
In the drawing, 2 represents the wrench shank, 3 the stationary jaw thereon at one end, and 4 the handle on the opposite end. This shank is composed of a casting or forging, which may be of malleable iron,
steel, or any other suitable metal or composition which, when molded or forged, will have side bars 5, outwardly bowed in the molding or forging process upon each side of a longitudinal opening 6. 7 represents a movable jaw having a web 8 thereon, provided with a head 9 made by casting or forging, as may be preferred. The molding or forging of the shank to provide the longitudinal opening and the bowed side bars forms the first step in the process. The longitudinal opening is of suflicientwidth when the side bars are bowed outwardly to allow the insertion of the head 9 and the web 8 between them, and when this has been done, pressure is applied to the bars 5 to squeeze them toward each other into parallel relation, the jaw 7 having bearing sur- Serial No. 509,202.
faces lO on each side of the web to engage the longitudinal edges of the bars on one side and the head 9 having corresponding surfaces ll to contact with the edges of the bars 5 on the opposite side of the shank, and thus the bars will form guides ifor sliding the movable jaw back and forth between them. Movement of this jaw is obtained by providing a screw l2 therein to receive a pin 13 formed within a recess 14 in said shank, a lug l5 being provided for engaging a linger grip 16 that is mounted on the screwy l2, revolution of this nut revolving the screw and feeding the movable jaw back and forth in the usual way.
I have found that a wrench of this character can be manufactured at a comparatively small expense, being composed of but few parts, and can be easily and quickly assembled to form a strong, durable wrench.
I claim as my invention:
l. A process of manufacturing a monkey wrench which consists in first forming a longitudinal opening in the wrench shank,
bowing the side bars of the shank outwardly to widen said opening and then inserting the web and head of the movable jaw into said opening and finally pressing said side bars toward one another to form guides for said head and web thereon.
2. A process of manufacturing a monkey wrench which consists in forming the shank of the stationary jaw with a longitudinal opening and outwardly bowed side bars or rails, inserting the head andv web of a movable jaw through said opening between said bars, then pressing the said bars toward each other until they are in parallel relation, the head of said web being guided by said bars and holding said web in place between them.
3. A wrench, comprising` a shank, having a Xed jaw integral with said shank at one end thereof, and at its other end an integral extension forming a handle, said shank having a longitudinal slot therein, a movable jaw slidable in said slot and having a web with a head wider than said slot, said jaw and head being formed integrally with said web and havingv bearing surfaces engaging the opposite edges of said shank, and an adjusting screw arranged between said movable 'aw and said handle.
4. A wrenc comprising a Xed jaw, a
handle, and an interposed slotted shank, said interposed between said movable jaw and parts being all formed integrally, a movable said handle. 10 jaw having integrally therewith a web and In witness whereof, I have hereunto set a flanged head, said web being arranged in my hand this 20th day of March, 1916.
5 the slot in the shank, and held therein by. JOHN HELWIG.
engagement of the flanged head and the Witnesses: v movable jaw with the walls of the shank at A. HELWIG,
the edges of said slot, and an adjusting screw M. HELwG.
US151670A 1917-03-01 1917-03-01 Wrench and process of manufacturing the same Expired - Lifetime US1502192A (en)

Priority Applications (1)

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US151670A US1502192A (en) 1917-03-01 1917-03-01 Wrench and process of manufacturing the same

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US151670A US1502192A (en) 1917-03-01 1917-03-01 Wrench and process of manufacturing the same

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US1502192A true US1502192A (en) 1924-07-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444135A (en) * 1944-01-31 1948-06-29 Williams J H & Co Worm joint pliers or wrench
FR2913360A1 (en) * 2007-03-09 2008-09-12 Alroc Soc Par Actions Simplifi Spanner tool for maintaining position of e.g. cable, has clamp with jaws cooperated with jaws of another clamp to form housings, where dimension and shape of one housing are different from those of another housing for any position of clamps
US20080282848A1 (en) * 2007-05-16 2008-11-20 Proxene Tools Co., Ltd. Wrench and method for making the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444135A (en) * 1944-01-31 1948-06-29 Williams J H & Co Worm joint pliers or wrench
FR2913360A1 (en) * 2007-03-09 2008-09-12 Alroc Soc Par Actions Simplifi Spanner tool for maintaining position of e.g. cable, has clamp with jaws cooperated with jaws of another clamp to form housings, where dimension and shape of one housing are different from those of another housing for any position of clamps
US20080282848A1 (en) * 2007-05-16 2008-11-20 Proxene Tools Co., Ltd. Wrench and method for making the same
US7607372B2 (en) * 2007-05-16 2009-10-27 Proxene Tools Co., Ltd. Method for making a wrench

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