US1350315A - Wrench - Google Patents

Wrench Download PDF

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Publication number
US1350315A
US1350315A US25329418A US1350315A US 1350315 A US1350315 A US 1350315A US 25329418 A US25329418 A US 25329418A US 1350315 A US1350315 A US 1350315A
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US
United States
Prior art keywords
head
wrench
plates
handle
plungers
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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
Katzmarek Michael
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Katzmarek Michael
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Publication date
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Priority to US25329418 priority Critical patent/US1350315A/en
Application granted granted Critical
Publication of US1350315A publication Critical patent/US1350315A/en
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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
    • B25B13/00Spanners; Wrenches
    • B25B13/46Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
    • B25B13/461Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
    • B25B13/462Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis
    • B25B13/463Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member the ratchet parts engaging in a direction radial to the tool operating axis a pawl engaging an externally toothed wheel

Description

M. KATZMAREK.
WRENCH.
APPLICATION FILED SEPT. 9, 1918. RENEWED FEB. 12. 1920.
1 350, 3 1 5 Patented Aug. 24, 1920.
2 SHEETS-SHEET l.
INVENTOR ATTORNEY M. KATZMAREK.
WRENCH.
APPLICATION FILED SEPT.9, I918- RENEWED FEB. 12,1920.
1,350,3 1 5, Patented Aug. 24, 1920.
v 2 SHEETS-SHEET 2.
INVENTOR ATTORNEY PATENT OFFlCE.
MICHAEL KATZMAREK, OF DULUTH, MINNESOTA.
WRENCH.
1,350,315. Application filed September 9, 1918,
' To all whom it may concern:
Be it known that I, MICHAEL KA'rzMAnnn, a citizen of the United States, residing at Duluth, county of St. Louis, State of Minne sota, have invented a certain new and useful Improvement in \Vrenches, of which the following is a specification.
This invention relates to improvements in wrenches and particularly to types known as ratchet wrenches.
The principal object of the invention is to provide a neat and compact type of wrench capable of operating upon different sized bolt heads or nuts so as to'turn the same, even when positioned in contracted locations.
A further object is to which the nut or bolt head to be turned, may be readily removed, and others of different sizes or shapes substituted.
These and other like objects are attained by a novel construction and combination of parts hereinafter described, and shown in the accompanying drawings, forming a material part of this disclosure, and in which Figure 1 is a plan view of a wrench made in accordance with the invention;
Fig. 2 is a side or edge view of the same;
Fig. 3 is a fra mental sectional view, taken on line 3-3 of *ig. 1;
Fig. 4 is a perspective view showing one of the side plates by which the interchangeable heads are maintained within the wrench body;
Fig. 5 used 1 connection with the in Fig. 4;
Fig. 6 is an enlarged fragmental plan view of the wrench body, partially broken away in order to show the interior;
Fig. 7 is a perspective view showing a portion of the wrench handle, and a modified form of plate holding elements;
Fig. 8 is a perspective view of the head or nut engaging elements;
Fig. 9-is a perspective view of the plunger actuating spring; and
Fig. 10 is a perspective view of one of the plungers by means of. which the head or nut engaging element is actuated.
In the drawings the numeral 10, represents the handle, having the recesses 11 formed upon opposite sides in order to lighten the implement.
The operative end or front of the impleprovide means by s a perspective view of the screws plates shown Specification of Letters Patent.
the head or part contacting with.
38, which have a Patented Aug. 24, 1920.
Serial No. 253,294. Renewed February 12. 1920. Serial No. 358,129.
ment is formed within a circular opening 12, leading to which is a passage 14, between the extreme ends of the jaws 15. Receivable within the opening 12, is a head or nut engaging implement 17 formed with exterior ratchet shaped teeth 18, and containing an opening 20, suited to engage the heads of bolts, nuts and the like which it is desired to turn.
Extending outward from opposite sides of the head 17, are raised cylindrical hubs 21, the same extending beyond the thickness of the wrench head 13 and engageable within the openings 20, of plates 23, formed with rearwardly extending shanks 24, secured to the sides of the wrench body 10, by screws 25, the same being threaded into the shank of the implement, and having an enlarged shoulder 26, adjacent to the head 27 so as to permit the screws to be firmly secured, the same passing through the slots 28, which have shouldered recesses 29 for the reception of the shoulders 26 of the screws.
Secured in the rear ends of the plates 23,
are raised projections 30, by means of which the plates can be moved so as to engage with the head 17, or retracted therefrom, when it is desired to change from one head to another.
In order to hold these plates from inadvertent movement, an as a modified form of construction, a hole is drilled transversely through the handle 10, as shown in Fig. 7, in which is contained a spiral compression spring 32, pressing outwardly opposed pins 33, the same entering into recesses formed below the projections 30, when the plates are in an operative position. (Not shown.)
Also formed through the head 13, of the wrench, are openings 35, having shoulders 36, in contact with which are corresponding shoulders 37, formed with the plungers beveled tooth 39, at their extreme inner ends, the same being engageable with the teeth 18, of the heads 17 From the opposite end of the plungers extend tenons 40, engageable in slots 42, of the spring elements 43, which are secured to the edge of the handle by screws 44 passing through the openings 45.
Either one or both of the plungers are 17, are rotated, and in either direction according to the position of the head in the handle.
In operation, the head being placed upon a nut or bolt to be turned, the handle is operated in an obvious manner. If it is desired to change from one head to another or to change from a right to a left hand wrench, or vice versa, both the plates 24 are moved rearwardly, permitting the head 17 to pass laterally outward from the wrench head 13, and be turned over, or to be replaced with another having a different size or shape of opening.
Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is:
1. A wrench having a handle with an enlarged head, a gripping head rotatably engaged therein, teeth formed on the periphery of said gripping head, plunger-s operable in said enlarged head adapted to engage said teeth, cylindrical hubs on the opposite faces of said griping head, plates slidable on said handle having semi-circular recesses on their forward ends, the forward ends of said plates pro'ecting over marginal portions of the sai gripping head and having the said cylindrical hubs snugly engaged in the said recesses thereby holding said gripping head in position, and means permitting thevoperation. of said plates whereby either or both may be retracted from said gripping head.
2. A wrench having a recessed handle provided with an enlarged head containing a circular bore transversely therethrough, a gripping head suited to rotate in said bore, teeth formed on the periphery of said gripping head, said gripping head being receptive of articles to be turned, cylindrical hubs extending outwardly from the opposite faces of said head, plates arranged slidably at the sides of said handle and having recessed end adapted to project over the marginal portions of the said faces to engage the said hubs, means for holding said plates slidably on said handle, plungers slidably in said enlarged head and engaging the said teeth, said plungers having tenons on their outer ends, and a pair of flat springs secured to the said handle and inclosing the enlarged head of the latter on opposite sides and ha ving recesses complementary to the said tenons in which the latter engage.
In testimony whereof, I have signed my name to this specification in the presence of two subscribing witnesses, this 21st day of December, 1917.
MICHAEL KATZMAREK.
US25329418 1918-09-09 1918-09-09 Wrench Expired - Lifetime US1350315A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697371A (en) * 1952-02-29 1954-12-21 Hyman D Bowman Wrench attachment preventing slippage along nut or bolt head axis
US3067641A (en) * 1960-07-15 1962-12-11 Peter J Ricci Open end ratchet wrench
US4703676A (en) * 1983-12-21 1987-11-03 Mayer Albin F Ratchet wrench with multiple tools
US5392672A (en) * 1993-03-09 1995-02-28 Larry R. Larson Ratchet wrench
US5732605A (en) * 1995-09-20 1998-03-31 Mann; Dennis L. Wrench extension tool
US6575059B2 (en) * 2001-08-23 2003-06-10 Lin-Lang Liu Wrench structure
US20030164072A1 (en) * 2002-03-04 2003-09-04 Chorng-Jiang Lin Wrench locking and positioning device
US6769329B1 (en) 2002-05-21 2004-08-03 Pilling Weck Incorporated Releasable socket ratchet wrench
US20090107301A1 (en) * 2007-10-24 2009-04-30 Lambert J Ewing Wrench with slim profile
US20100229692A1 (en) * 2009-03-16 2010-09-16 Cubillas Alberto R Multi-Engageable Tubing Wrench
US20110000342A1 (en) * 2009-07-02 2011-01-06 TR Tools, L.L.C. Wrench
EP3275595A2 (en) 2012-04-30 2018-01-31 Jeffrey Dean Macdonald Open-ended ratchet wrench

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697371A (en) * 1952-02-29 1954-12-21 Hyman D Bowman Wrench attachment preventing slippage along nut or bolt head axis
US3067641A (en) * 1960-07-15 1962-12-11 Peter J Ricci Open end ratchet wrench
US4703676A (en) * 1983-12-21 1987-11-03 Mayer Albin F Ratchet wrench with multiple tools
US5392672A (en) * 1993-03-09 1995-02-28 Larry R. Larson Ratchet wrench
US5732605A (en) * 1995-09-20 1998-03-31 Mann; Dennis L. Wrench extension tool
US6575059B2 (en) * 2001-08-23 2003-06-10 Lin-Lang Liu Wrench structure
DE10308735B4 (en) * 2002-03-04 2011-04-14 Chang, Chuck Schraubschlüsselfesthalte and positioning device
US20030164072A1 (en) * 2002-03-04 2003-09-04 Chorng-Jiang Lin Wrench locking and positioning device
US6732616B2 (en) * 2002-03-04 2004-05-11 Cheng-Tsai Chang Wrench locking and positioning device
US6769329B1 (en) 2002-05-21 2004-08-03 Pilling Weck Incorporated Releasable socket ratchet wrench
US20090107301A1 (en) * 2007-10-24 2009-04-30 Lambert J Ewing Wrench with slim profile
US20100229692A1 (en) * 2009-03-16 2010-09-16 Cubillas Alberto R Multi-Engageable Tubing Wrench
US9844859B2 (en) * 2009-03-16 2017-12-19 Alberto R. Cubillas Multi-engageable tubing wrench
US20110000342A1 (en) * 2009-07-02 2011-01-06 TR Tools, L.L.C. Wrench
EP3275595A2 (en) 2012-04-30 2018-01-31 Jeffrey Dean Macdonald Open-ended ratchet wrench
US10406658B2 (en) 2012-04-30 2019-09-10 Jeffrey Dean MacDonald Open-ended ratchet wrench

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