US2803980A - Reversible ratchet wrench - Google Patents

Reversible ratchet wrench Download PDF

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Publication number
US2803980A
US2803980A US555569A US55556955A US2803980A US 2803980 A US2803980 A US 2803980A US 555569 A US555569 A US 555569A US 55556955 A US55556955 A US 55556955A US 2803980 A US2803980 A US 2803980A
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socket
wrench
ratchet
housing
ratchet wheel
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US555569A
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Irwin R Vogel
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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
    • B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
    • B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
    • B25B13/462—Spanners; 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
    • B25B13/463—Spanners; 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

Definitions

  • the present invention relates to hand tools and more particularly to an improved socket wrench of the ratchet type.
  • Socket wrenches have long been a convenient tool in the construction and servicing of machines, and these wrenches have now come to be considered an essential and almost indispensible tool in the machine art.
  • An important step in the development of socket wrenches has been the provision of a construction which permitted replaceable sockets to be used with one handle, thus enabling a single tool to be used for a variety of bolt or nut sizes.
  • Another important step in the advancement of the socket tool art has been the development of the ratchet wrench which greatly increased the efficiency and ease of operation by these tools.
  • ratchet type socket wrenches which are constructed to utilize removable socket elements of different sizes. These wrenches can be purchased in a variety of sizes, with each wrench size being capable of utilizing a set of socket elements extending through a particular range corresponding to that particular wrench.
  • the range of socket elements adapted to any particular wrench size in the prior art was limited because the prior art wrenches contained but a single drive member for the sockets. This meant that the sizes of the sockets had to be adaptable to the dimensions of the corresponding drive member, and this obviously limited the range of sizes of sockets that could be used with any particular wrench.
  • an object of the present invention to provide an improved socket wrench of the ratchet type which is constructed to use removable socket elements, and which elements can extend through a range of sizes that is materially greater than the range possible with prior art wrenches, thus enabling a single wrench constructed in accordance with the invention to have the general utility of several prior art wrenches of this general type and of different sizes.
  • a more general object of the invention is to provide an improved removable-socket ratchet wrench capable of utilizing a wide range of socket sizes.
  • Another object of the invention is to provide an improved removable-socket ratchet wrench that may be constructed in a relatively simple and economical manner to utilize a wide range of socket sizes.
  • Figure 1 is a side view of an assembled removablesocket ratchet wrench constructed in accordance with the invention
  • Figure 2 is a bottom view of thte wrench
  • Figure 3 is a top view of the wrench, enlarged for purposes of clarity and with the cover removed;
  • Figure 4 is a sectional view taken along the line 44 of Figure 3, but with the cover in place;
  • Figure 5 is a sectional view taken along the line 5-5 of Figure 3, and with the cover in place.
  • the ratchet socket wrench of the present invention includes a handle portion and a head portion.
  • the head portion has a closed side with an aperture therein, and it also has an open side.
  • the head portion forms a housing for the operating components of the wrench.
  • the wrench includes a ratchet wheel rotatably mounted in the housing.
  • a first socket-receiving member is affixed to one side of the ratchet wheel and extends axially therefrom through the open side of the housing, and a second socket-receiving member is affixed to the opposite side of the ratchet wheel and it extends in an axial direction through the aperture in the closed side of the housing.
  • the first and second socket-receiving members are in axial alignment with one another and are coaxial with the axis of rotation of the ratchet wheel.
  • a manually operated pawl means is pivotally mounted in the housing for selective engagement with the ratchet wheel to provide two mutually opposite ratchet operations.
  • the construction specified above enables a first set of sockets to be used on the first socket-receiving member, and a second set of sockets to be used on the second socket receiving member.
  • These members may be of difierent sizes so that the two sets of sockets may extend through dilferent size ranges. This enables a single tool to have a wide range of utility.
  • the wrench includes a handle portion 10 with an integral head portion 11.
  • the head portion has a closed side 12 with an aperture 13 therein, and the head portion also has an open side 14. With this configuration, the head portion can form a housing for the operating components of the wrench.
  • the wrench itself, including the handle and integral head portion, may be conveniently formed of cast or forged steel.
  • a ratchet wheel 15 is rotatably mounted in the housing, and it includes a first rectangular socket-receiving member 16 preferably formed integral with one side thereof and with the socket receiving member extending through the open side 14 of the housing.
  • the ratchet wheel also includes a second rectangular socketreceiving member 17 formed integral with its opposite side, and with the member 17 extending in an axial direction through the aperture 13 in the closed side 12 of the housing.
  • the socket-receiving members 16, 17 are in axial alignment with one another and are coaxial or concentric with the axis of rotation of the ratchet wheel 15.
  • the socket-receiving member 16 has greater transverse and axial dimensions than the member 17, and this enables these members to receive socket elements extending through two respective different size ranges.
  • member 17 receives a socket 20 which is held in place by a usual spring loaded ball 17a, and socket 20 may be replaced by other sockets of different sizes throughout a particular size tive pivotal movement in, the. housing about respective.
  • the pawls have respective cylindricalshaped end. portions 23, 24-whichseat in corresponding cylindrical grooves in the head portion of. the wrench, and these end portions have respective integral pins 23a, 24awhich, extend through apertures in the bottom..12 of the housing (see,,for example, Figure 5.).
  • a cam element 27 is rotatably mounted.
  • integralvshaft 28.. which extends. throughthe bottom 12fof; the housinga-ndwhich is. peened to a manually-operated.
  • controllmeans such as a handle. 29.
  • An' apertured cover 30 fits over the open side 14 of the housing and seats against. an appropriate shoulder so that it may be flushwith the surface of the handle portion.
  • Thesocket-receiving member 16 extends through the aperture in the cover, and the cover engages the ratchet wheel and the pawls to limit axial movement of these members. and to maintain the wrench in an assembled'condi'tion.
  • a pair of'set screws 31, 32 extend ing throughrtheb'ottom 12serve to hold' the cover in place.
  • Thetinvention provides; therefore, an improved ratchet type: socket wrench which 'is constructed'i'n a'simple and.
  • a reversible ratchetitype socket wrench for use with two sets ofsocket elementseach of suchsets being cooperable with different size drive members and covering different ranges in size, saidlwrenchcomprising: a wrench head having a handle extending laterally outwardly therefrom, said head being hollow to form a housing; a solid rotary member journaled in said housing, said member having a. first. integral solid socket-receiving portion of rectangular. cross-sectional configuration extending axially, outwardly of said rotary member from one side of said.
  • said socket-receiving portion forming a square drive) member of a size to accommodate socket elements. of. one. of the two. sets, a secondintegral solid socketreceivingportion of rectangular cross-sectional configuration' extending axially outwardly ofsaid'rotary member from the opposite side of'said'liousing, said second socketreceiving portion being ofa smaller cross-sectional di mension than said first socket-receiving portion and forming a square drive member ofI a size to accommodatesocket elements of the-other ofv thetwo' sets; said rotary member further having an integral. ratchet wheel portion; and reversible p aw1"mean's mountedin said housing,

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

Description

1957 l. R. VOGEL REVERSIBLE RATCHET WRENCH Filed Dec. 27, 1955 INVENTOR.
BY A TTORNEK IRWIN R. VOGEL,
United States Patent REVERSIBLE RATCHET WRENCH Irwin R. Vogel, Los Angeles, Calif. Application December 27, 1955, Serial No. 555,569 1 Claim. (Cl. 81-62) The present invention relates to hand tools and more particularly to an improved socket wrench of the ratchet type.
Socket wrenches have long been a convenient tool in the construction and servicing of machines, and these wrenches have now come to be considered an essential and almost indispensible tool in the machine art. An important step in the development of socket wrenches has been the provision of a construction which permitted replaceable sockets to be used with one handle, thus enabling a single tool to be used for a variety of bolt or nut sizes. Another important step in the advancement of the socket tool art has been the development of the ratchet wrench which greatly increased the efficiency and ease of operation by these tools.
There are presently on the market ratchet type socket wrenches which are constructed to utilize removable socket elements of different sizes. These wrenches can be purchased in a variety of sizes, with each wrench size being capable of utilizing a set of socket elements extending through a particular range corresponding to that particular wrench. The range of socket elements adapted to any particular wrench size in the prior art was limited because the prior art wrenches contained but a single drive member for the sockets. This meant that the sizes of the sockets had to be adaptable to the dimensions of the corresponding drive member, and this obviously limited the range of sizes of sockets that could be used with any particular wrench. Since the size of socket elements that could be used with any particular prior art wrench was limited, it was necessary to purchase several of these wrenches of different sizes in order to handle a usual variety of nut and bolt sizes encountered in the mechanical arts. However, good quality wrenches of this type are by necessity relatively expensive, and the purchase of several of them represents a considerable capital outlay, especially for individuals such as the home do it yourself workman.
It is accordingly, an object of the present invention to provide an improved socket wrench of the ratchet type which is constructed to use removable socket elements, and which elements can extend through a range of sizes that is materially greater than the range possible with prior art wrenches, thus enabling a single wrench constructed in accordance with the invention to have the general utility of several prior art wrenches of this general type and of different sizes.
A more general object of the invention is to provide an improved removable-socket ratchet wrench capable of utilizing a wide range of socket sizes.
Another object of the invention is to provide an improved removable-socket ratchet wrench that may be constructed in a relatively simple and economical manner to utilize a wide range of socket sizes.
The features of the invention which are believed to be new are particularly set forth in the claim. The invention itself, however, together with further objects and advantages thereof, may best be understood by reference to the following description when taken in conjunction with the accompanying drawing, in which:
Figure 1 is a side view of an assembled removablesocket ratchet wrench constructed in accordance with the invention;
Figure 2 is a bottom view of thte wrench;
Figure 3 is a top view of the wrench, enlarged for purposes of clarity and with the cover removed;
Figure 4 is a sectional view taken along the line 44 of Figure 3, but with the cover in place; and
Figure 5 is a sectional view taken along the line 5-5 of Figure 3, and with the cover in place.
The ratchet socket wrench of the present invention includes a handle portion and a head portion. The head portion has a closed side with an aperture therein, and it also has an open side. The head portion forms a housing for the operating components of the wrench. The wrench includes a ratchet wheel rotatably mounted in the housing. A first socket-receiving member is affixed to one side of the ratchet wheel and extends axially therefrom through the open side of the housing, and a second socket-receiving member is affixed to the opposite side of the ratchet wheel and it extends in an axial direction through the aperture in the closed side of the housing. The first and second socket-receiving members are in axial alignment with one another and are coaxial with the axis of rotation of the ratchet wheel. A manually operated pawl means is pivotally mounted in the housing for selective engagement with the ratchet wheel to provide two mutually opposite ratchet operations.
The construction specified above enables a first set of sockets to be used on the first socket-receiving member, and a second set of sockets to be used on the second socket receiving member. These members may be of difierent sizes so that the two sets of sockets may extend through dilferent size ranges. This enables a single tool to have a wide range of utility.
Reference is now made to the drawing for a more complete description of the socket wrench of the present invention.
The wrench includes a handle portion 10 with an integral head portion 11. The head portion has a closed side 12 with an aperture 13 therein, and the head portion also has an open side 14. With this configuration, the head portion can form a housing for the operating components of the wrench. The wrench itself, including the handle and integral head portion, may be conveniently formed of cast or forged steel.
A ratchet wheel 15 is rotatably mounted in the housing, and it includes a first rectangular socket-receiving member 16 preferably formed integral with one side thereof and with the socket receiving member extending through the open side 14 of the housing. The ratchet wheel also includes a second rectangular socketreceiving member 17 formed integral with its opposite side, and with the member 17 extending in an axial direction through the aperture 13 in the closed side 12 of the housing. The socket-receiving members 16, 17 are in axial alignment with one another and are coaxial or concentric with the axis of rotation of the ratchet wheel 15.
The socket-receiving member 16 has greater transverse and axial dimensions than the member 17, and this enables these members to receive socket elements extending through two respective different size ranges. For example, and as shown in Figure 1, member 17 receives a socket 20 which is held in place by a usual spring loaded ball 17a, and socket 20 may be replaced by other sockets of different sizes throughout a particular size tive pivotal movement in, the. housing about respective.
pivotal axes. 21a and.- 22a. The pawls have respective cylindricalshaped end. portions 23, 24-whichseat in corresponding cylindrical grooves in the head portion of. the wrench, and these end portions have respective integral pins 23a, 24awhich, extend through apertures in the bottom..12 of the housing (see,,for example, Figure 5.).
This construction, enables the pawls. 2.1; and 22. to. be
r freely pivoted about. their respective. pivotal axes. 21a
and 22a.
Spring 'biasingmeans in the form: of coilsprings: 25 and 26 urge thepawlsdnto. mutually oppositev ratchet engagement withthe. ratchet wheel, these springs being mounted. on, the: side of the housing and. engaging the.
respectivepawls.v A cam element 27 is rotatably mounted.
inthe: housing for. selective engagementwith the pawls 21, 22. so. as to move. the. pawls selectively out of engagement with the. ratchet wheel against the corresponding coilspring 25 orv 26. The cam is mounted on. an
integralvshaft 28.. which extends. throughthe bottom 12fof; the housinga-ndwhich is. peened to a manually-operated.
controllmeanssuch as a handle. 29.
It is clear. that-actuation of the handle 29 moves the.
cam 27 from one positionto theother so as to disengage one; or the other of'the pawls. 21", 22-from-the ratchet wheel15; It is also evidentthat whe'npawl21 engages the ratchetrwheel, ratchet movement in one direction may be effected, and'when pawl22engages. the ratchet wheel that ratchet operation in the other direction may be efiectuated;
An' apertured cover 30 fits over the open side 14 of the housing and seats against. an appropriate shoulder so that it may be flushwith the surface of the handle portion. Thesocket-receiving member 16 extends through the aperture in the cover, and the cover engages the ratchet wheel and the pawls to limit axial movement of these members. and to maintain the wrench in an assembled'condi'tion. A pair of'set screws 31, 32 extend ing throughrtheb'ottom 12serve to hold' the cover in place.
Although a particular cam-controlled pawl arrangement has been shown, it is evident thatother known types may be used.
Thetinventionprovides; therefore, an improved ratchet type: socket wrench which 'is constructed'i'n a'simple and.
expedient manner to; enable socket elements of two distinct, size ranges selectively to be carried thereby.
This'materially increases the flexibility and utilityof the wrench, as compared with prior art wrenches of this general type, and this is achieved'by the expedient of providing a second integral socket-receiving member on the reversible pawl-operated ratchet wheel of the wrench.
Although the now preferred embodiment of the present invention has been shown and described herein, it is to be understood that the invention is not to be limited thereto, for it is susceptible'to'changes in form and detail within the scope of the appended claim.
I claim:
A reversible ratchetitype socket wrench for use with two sets ofsocket elementseach of suchsets being cooperable with different size drive members and covering different ranges in size, saidlwrenchcomprising: a wrench head having a handle extending laterally outwardly therefrom, said head being hollow to form a housing; a solid rotary member journaled in said housing, said member having a. first. integral solid socket-receiving portion of rectangular. cross-sectional configuration extending axially, outwardly of said rotary member from one side of said.
housing, said socket-receiving portion forming a square drive) member of a size to accommodate socket elements. of. one. of the two. sets, a secondintegral solid socketreceivingportion of rectangular cross-sectional configuration' extending axially outwardly ofsaid'rotary member from the opposite side of'said'liousing, said second socketreceiving portion being ofa smaller cross-sectional di mension than said first socket-receiving portion and forming a square drive member ofI a size to accommodatesocket elements of the-other ofv thetwo' sets; said rotary member further having an integral. ratchet wheel portion; and reversible p aw1"mean's mountedin said housing,
adjacent said ratchetiwlieel; means to. selectively engage said'pawl'means with saidl'ratchet wheel portion to hold the solid rotary member for rotation with said head in the direction ofwrench operationias desired.
References Cited in the fileof this patent UNITED STATES PATENTS 663,294 Nesley Dec. 4', 1900 745,886 Musk'ett et al'. Dec. 1', 1903" 1,203,685 Baker Nov; 7, 1916' 1,481,401 Wentling Jan. 22, 1924" 1,578,065 Bemus et all Mar. 23, 1926 1,670,547 North May 22 1928 1,816;'968 Gre-ntma-net al. Aug; 4, 1931 2,107,568 Haist Feb. 8} 1938' 2,202,402 Rueb May 28; 1940' 2,471,194 Capps May 24, 1949'
US555569A 1955-12-27 1955-12-27 Reversible ratchet wrench Expired - Lifetime US2803980A (en)

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Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891434A (en) * 1958-04-21 1959-06-23 Lozensky Charles Andrew Ratchet wrench
US3299750A (en) * 1965-03-22 1967-01-24 Lowell Wrench Company Socket wrench
US3394623A (en) * 1966-11-28 1968-07-30 Paul N. Kinakin Wrench
US3575069A (en) * 1969-07-29 1971-04-13 Kit C White Ratchet and speed wrench combination
US3598001A (en) * 1969-02-14 1971-08-10 Lowell Corp Reversible ratchet handle for socket wrench
US3654975A (en) * 1969-09-05 1972-04-11 George C Ballsmith Auxiliary tool handle
US5157994A (en) * 1991-12-13 1992-10-27 Snap-On Tools Corporation Ratchet wrench with lost motion reversing mechanism
US5174176A (en) * 1991-12-09 1992-12-29 Snap-On Tools Corporation Reversible rachet wrench with integrated dual pawl and spring and cam unit
US5211087A (en) * 1992-10-19 1993-05-18 Raymon Thomason Multiple drive ratchet wrench
US5507208A (en) * 1995-06-08 1996-04-16 Pratt; Floyd L. Conversion ratchet drive
US5522287A (en) * 1995-04-28 1996-06-04 Chiang; Chen-Chi Ratchet handle of socket wrench
US5761973A (en) * 1996-10-22 1998-06-09 Tung; Yi-Ming Double-headed ratchet wrench assembly
US5943924A (en) * 1995-03-06 1999-08-31 Jarvis; Jack D. Integral multi-sized socket tool
US6053077A (en) * 1998-08-10 2000-04-25 Huang; Yung Hsu Ratchet wrench having two driving stems
EP1136187A2 (en) * 2000-03-08 2001-09-26 Gedore-Werkzeugfabrik Otto Dowidat KG Fastening device with reversible ratchet
US6308594B1 (en) * 2000-12-28 2001-10-30 Chin-Shun Cheng Ratchet wrench structure
US20020023520A1 (en) * 2000-02-03 2002-02-28 Bobby Hu Biasing arrangement for a pawl of a reversible ratchet-type wrench
US6370987B1 (en) 2000-12-22 2002-04-16 David Wilson, Jr. Apparatus and method for precisely controlling angular displacement of a socket
US6510765B2 (en) * 2001-06-15 2003-01-28 Chen Mu-Lin Structure of a ratchet wheel having a ratchet wheel allowing a smooth teeth returning after application of the ratchet wrench
US6543315B2 (en) * 2001-06-21 2003-04-08 Ping Wen Huang Ratchet structure of screwdriver
US6584875B1 (en) * 2002-07-09 2003-07-01 Jackson Deng Ratchet wrench
US20030126957A1 (en) * 2002-01-04 2003-07-10 Hsiu-Ching Huang Socket wrench
US20030145687A1 (en) * 2002-02-04 2003-08-07 Wei Mo Jye Powertool Co., Ltd. Spanner provided with a drive shaft to rotate a workpiece in case of little working space
US20030196522A1 (en) * 2002-04-22 2003-10-23 Bobby Hu Reversible ratchet type wrench
US6782777B1 (en) * 2002-07-02 2004-08-31 Chiao Wei Socket connector structure
US20050160886A1 (en) * 2002-03-22 2005-07-28 Eggert Daniel M. Low clearance socket and drive system
US6955104B2 (en) 2000-03-13 2005-10-18 Bobby Hu Reversible ratcheting tool with a smaller head
US6971286B2 (en) 2002-07-22 2005-12-06 Bobby Hu Ratcheting wrench with quick tightening/loosening functions and fine adjusting functions
US6997084B1 (en) 2003-12-29 2006-02-14 Pilling Weck Incorporated Ratcheting driver with pivoting pawls and method of arranging same
US7017453B2 (en) 2001-10-17 2006-03-28 Bobby Hu Reversible ratchet-type wrench
US20060288823A1 (en) * 2005-06-01 2006-12-28 Michael Schepman Ratcheting hand tools particularly suited to bicycle assembly, maintenance and repair
US20060288821A1 (en) * 2005-06-23 2006-12-28 Don Girard Ratchet wrench apparatus
US7178429B2 (en) 2002-08-05 2007-02-20 Yen-Wen Lin Easy-to-assemble ratcheting tool
US20070131824A1 (en) * 2005-12-08 2007-06-14 Robert Harold Beach umbrella stand including foot operated drive assembly for anchoring and method of use
US7299720B1 (en) * 2006-01-20 2007-11-27 Snap-On Incorporated Reversible ratchet wrench
US20070277652A1 (en) * 2006-05-30 2007-12-06 Hsien-Chung Tuan-Mu Reversible ratcheting tool
US7353735B2 (en) 2005-06-02 2008-04-08 The Stanley Works Ratchet wrench
US20090223061A1 (en) * 2008-02-11 2009-09-10 Seber Design Group, Inc. Tool including a locking mechanism
US20100011914A1 (en) * 2008-07-16 2010-01-21 Chang Ming-Chi Hand tool
US20100024607A1 (en) * 2008-08-01 2010-02-04 Thompson Christopher D Extended low-torque ratchet wrench
US20110131766A1 (en) * 2009-12-09 2011-06-09 Hilti Aktiengesellschaft Auxiliary handle
USRE43286E1 (en) 1999-08-03 2012-04-03 Bobby Hu Ratchet wheel with asymmetric arcuate concave teeth or non-arcuate concave teeth ratcheting tools with such ratchet wheel and combination of such ratchet wheel and a pawl
US8943928B2 (en) 2011-02-14 2015-02-03 Zhejiang Yiyang Tool Manufacture Co., Ltd. Ratchet wheel wrench
US9079297B2 (en) 2011-04-15 2015-07-14 Apex Brands, Inc. Flex-head wrench
WO2018208321A1 (en) * 2017-05-08 2018-11-15 Granger Robert L Torque multiplier wrench
US10344841B1 (en) * 2017-11-07 2019-07-09 E-Z Fast Ratchet Wrench, Llc Wrench rotational axis re-positioning apparatus
US11000939B1 (en) * 2017-11-07 2021-05-11 E-Z Ratchet Wrench, LLC Wrench rotational axis re-positioning apparatus

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US663294A (en) * 1900-07-05 1900-12-04 Joseph M Nesley Reversible wrench.
US745886A (en) * 1902-09-22 1903-12-01 James W Muskett Ratchet-wrench.
US1203685A (en) * 1915-09-11 1916-11-07 Charles Baker Reversible ratchet-wrench.
US1481401A (en) * 1922-09-19 1924-01-22 Charles Goughler Railroad-track wrench
US1578065A (en) * 1922-09-08 1926-03-23 Thomas A Bemus Wrench set
US1670547A (en) * 1925-11-03 1928-05-22 Stanley C North Ball-socket ratchet wrench
US1816968A (en) * 1931-03-20 1931-08-04 William J Greutman Wrench
US2107568A (en) * 1935-06-12 1938-02-08 Foster A Haist Ratchet wrench
US2202402A (en) * 1938-05-28 1940-05-28 Sherman Klove Co Ratchet wrench
US2471194A (en) * 1944-10-30 1949-05-24 Alonzo V Capps Wrench

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US663294A (en) * 1900-07-05 1900-12-04 Joseph M Nesley Reversible wrench.
US745886A (en) * 1902-09-22 1903-12-01 James W Muskett Ratchet-wrench.
US1203685A (en) * 1915-09-11 1916-11-07 Charles Baker Reversible ratchet-wrench.
US1578065A (en) * 1922-09-08 1926-03-23 Thomas A Bemus Wrench set
US1481401A (en) * 1922-09-19 1924-01-22 Charles Goughler Railroad-track wrench
US1670547A (en) * 1925-11-03 1928-05-22 Stanley C North Ball-socket ratchet wrench
US1816968A (en) * 1931-03-20 1931-08-04 William J Greutman Wrench
US2107568A (en) * 1935-06-12 1938-02-08 Foster A Haist Ratchet wrench
US2202402A (en) * 1938-05-28 1940-05-28 Sherman Klove Co Ratchet wrench
US2471194A (en) * 1944-10-30 1949-05-24 Alonzo V Capps Wrench

Cited By (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891434A (en) * 1958-04-21 1959-06-23 Lozensky Charles Andrew Ratchet wrench
US3299750A (en) * 1965-03-22 1967-01-24 Lowell Wrench Company Socket wrench
US3394623A (en) * 1966-11-28 1968-07-30 Paul N. Kinakin Wrench
US3598001A (en) * 1969-02-14 1971-08-10 Lowell Corp Reversible ratchet handle for socket wrench
US3575069A (en) * 1969-07-29 1971-04-13 Kit C White Ratchet and speed wrench combination
US3654975A (en) * 1969-09-05 1972-04-11 George C Ballsmith Auxiliary tool handle
US5174176A (en) * 1991-12-09 1992-12-29 Snap-On Tools Corporation Reversible rachet wrench with integrated dual pawl and spring and cam unit
GB2262252B (en) * 1991-12-13 1994-05-18 Snap On Tools Corp Ratchet wrench with lost motion reversing mechanism
US5157994A (en) * 1991-12-13 1992-10-27 Snap-On Tools Corporation Ratchet wrench with lost motion reversing mechanism
US5211087A (en) * 1992-10-19 1993-05-18 Raymon Thomason Multiple drive ratchet wrench
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