US2735325A - Multiple wrench with telescoping sections - Google Patents

Multiple wrench with telescoping sections Download PDF

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US2735325A
US2735325A US2735325DA US2735325A US 2735325 A US2735325 A US 2735325A US 2735325D A US2735325D A US 2735325DA US 2735325 A US2735325 A US 2735325A
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plunger
tubular
plug
socket
shell
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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
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/008—Allen-type keys
    • 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
    • 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
    • B25B13/102—Spanners; Wrenches with adjustable jaws composed of a plurality of sockets slidable in each other
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/4984—Retaining clearance for motion between assembled parts
    • Y10T29/49844—Through resilient media

Definitions

  • This invention relates to a multiple wrench and has for its primary object a single instrument capable of entering the sockets in the heads of screws and turning said screws either to loosen or tighten them.
  • Another object is to enable a single instrument to fit the sockets in the heads of screws of different sizes.
  • this invention which embodies among its features a tubular shell having an external contour which conforms to the internal contour of the socket in the head of a screw, a shoulder carried by the shell and extending ihwardly therefrom intermediate the ends thereof to define a stop, a tubular plunger having an external contour which conforms to the internal contour of the socket in the head of a second and smaller screw and the internal contour of the tubular shell, said plunger being mounted in the tubular shell to rotate therewith and to move longitudinally through one end thereof, a flange carried by the plunger and extending outwardly therefrom adjacent the end thereof within the tubular shell for engaging the shoulder and arresting outward movement of the plunger, a plug closing the end of the tubular shell remote from that through which the plunger moves, said plug having a turning tool receiving socket extending thereinto through the end thereof remote from the shoulder, and a compression coiled spring within the tubular shell and bearing on the plug and on the flange for yieldingly projecting
  • Other features include a cross handle extending through the tubular shell and the plug therein for rotating the screw driver.
  • Figure 1 is a side view in elevation of a multiple wrench embodying the features of this invention.
  • Figure 2 is a longitudinal section view taken substantially on the line 22 of Figure 1;
  • Figure 3 is a horizontal sectional view taken substantially on the line 33 of Figure 2;
  • Figure 4 is a horizontal sectional view taken substantially on the line 4-4 of Figure 2;
  • Figure 5 is a view similar to Figure 2, showing the multiple wrench in use with the bit telescoped into the next adjacent tubular plunger, and the intermediate tubular plunger entered into the socket in the head of a screw;
  • Figure 6 is an enlarged longitudinal sectional view showing the device constructed as a multiple wrench.
  • this improved multiple tool designated generally it) comprises an outer shell 12 of hexagonal cross section and having a longitudinally extending hexagonal bore 14 extending through one end thereof and a conventional circular bore of larger cross section 16 opening through the opposite end of the shell 12. to define intermediate the ends of the shell a stop shoulder 18.
  • a plug 20 Secured in the tubular shell 12 adjacent the end thereof through which the bore 16 extends is a plug 20 having a wrench receiving socket 22 opening through the end thereof remote from the shoulder 18, and extending transversely through an opening 24 which extends 2,735,325 Patented Feb. 21, 1956 2, through the shell 12 and plug 20 is a cross handle 26 by means of which the instrument may be rotated about its longitudinal axis.
  • a tubular plunger 28 carrying adjacent its end adjacent the plug 29 an outstanding annular flange 30 which rides in the bore 16 and defines a stop which engages the shoulder 18 to limit outward movement of the tubular plunger 28 through the end of the shell 12 remote from the plug 20.
  • An end closure 32 closes the end of the tubular plunger 28 adjacent the flange 30, and seated on the tubular plunger 28 and bearing on the plug 20 is a compression coil spring 34 which yieldingly urges the tubular plunger outwardly through the end of the tubular shell 12 remote from the plug 2%.
  • the external contour of the tubular plunger 28 conforms to the shape of the socket in the head of a screw of smaller size than the socket in the head of a screw in which the end of the tubular shell 12 is entered for turning said screw, and the external contour of the tubular plunger 28 and the internal contour of the tubular shell 12 between the shoulder 13 and the end thereof remote from the plug 20 coincide so as to assure positive rotary motion between the shell and tubular plunger while permitting relative longitudinal movement therebetween.
  • the tubular shell 12 is provided intermediate its ends with an inwardly extending shoulder 36 defiining an upper circular bore 33 and a lower hexagonal bore 40 of smaller cross section than the upper bore 38.
  • a second tubular plunger 42 having an external hexagonal contour conforming to the cross sectional shape of the bore 49 is mounted in the tubular plunger 23 to move longitudinally through one end thereof, and carried by the tubular plunger 42 and extending outwardly therefrom adjacent the end thereof within the tubular plunger 23 is an annular flange 44 which is adapted to engage the shoulder 36 to limit outward movement of the tubular plunger 42. relative to the tubular plunger 28.
  • a tool bit 59 having an external contour conforming to the internal contour 52 of the opening which extends through the shoulder 28 is mounted to project through the opening 52 and carried by the end of the tool bit 50 which is disposed within the bore 54 within the tubular plunger 42 is a head or outwardly extending flange 56 which engages the shoulder 46 to arrest outward movement of the tool bit 59.
  • the cross section of the tool bit 54 conforms in contour to the cross section of the opening 52 so as to establish driving connection between the tubular plunger 42 and the tool bit 5% ⁇ .
  • a compression coil spring 58 is disposed within the bore 5'4 and bears at one end on the plug 46 and at its opposite end on the tool bit 50 to yieldingly urge said tool bit outwardly through the opening 52 in the tubular plunger 42.
  • a compression coil spring all is contained within the tubular plunger 28 and bears at opposite ends on the plugs 32 and 46, respectively, to yieldingly urge the tubular plunger 4-2 longitudinally outwardly through the bore 40.
  • a tubular shell 62 is provided with a circular bore 64 which opens through one end thereof and a hexagonal bore 66 which opens through the opposite end thereof.
  • the junction of the bores 64 and 66 define an inwardly extending shoulder 68 and the portion of the tubular shell 62 between the shoulder 68' and the endof the shell remote from the bore 64 defines a socket for engagement with a nut of relatively large diameter.
  • plug- 70 closes, the. end of. the bore 64 remote from the shoulder 68 and is provided with a tool socket 72 and a transversely extending passage 74 which extends through the tubular shell 62 to receive a cross handle (not shown).
  • a second tubular body 76 Mounted for longitudinal slidingv movement through the end of the tubular body 66 remote from the plug 78 is a second tubular body 76 having an internal cross section of substantially hexagonal form to enable the device to be used as a socket for turning a nut.
  • Said body 76 is provided adjacent the end thereof having the hexagonal cross section with a bore 78 which defines with the hexagonal portion of the plunger 76 a shoulder 80 intermediate the ends of the member 76.
  • a plug 82 closes the end of the bore 78 remote from the shoulder 80, and seated on said plug and extending upwardly therefrom for engagement with the plug 70 is a compression coil spring 84 by means of which the socket member 76 is yieldingly projected through the end of the shell 62 remote from the plug 70.
  • a second tubular plunger or socket member 84 extends through the hexagonal portion 86 of the socket member 76 and carries adjacent its inner end an outstanding annular. flange 88 which is adapted to engage the shoulder 80 to limit outward movement of the socket member 84.
  • the external contours of the socket members 76 and 84 conform to the internal contours of the bores 66 and 86 so as to establish turning movement between the socket members one With the other While permitting relative longitudinal movement of said socket members.
  • a plug 90 closes the end of the socket member 84 adjacent the flange 88, and seated on said plug and extending upwardly within the bore 78 of the socket member 76 is a compression coil spring 92 which bears on the underside of the plug 82 to yieldingly urge the socket member 84 outwardly through the socket member 76.
  • a solid socket member 92 provided with an outstanding annular flange 94 which is adapted to engage a stop shoulder 96 formed intermediate the ends of the socket member 84 is mounted for sliding movement through the end of the socket member 84- remote from the plug 90, and contained within the socket member 84 and bearing on the underside of the plug 90 and on the upper end of the socket member 92 is a compression coil spring 98.
  • the socket member 92 is provided with a hexagonal socket 100 which opens through the end thereof remote from the flange 94 to receive the headof a bolt, or a nut of relatively small size. Obviously, as the device of Figure 6 is advanced toward a nut of a size larger than the socket 100, it will be received in the hexagonal portion of the socket member 84, while the socket member 92 telescopes into the socket member 84 against the effort of the spring 98. Obviously, as larger nuts are encountered, the socket members 84 and 76 may be telescoped into the next adjacent tubular members until the bolt head or nut is accommodated.
  • a multiple implement for use with screws of the type having axial tool receiving sockets opening through the heads thereof said implement comprising a tubular shell having a polygonal external contour which conforms to the internal contour of the socket in the head of a screw, an internal shoulder formed in the shell and extending inwardly therefrom intermediate the ends thereof 7 plunger being mounted in the tubular shell to rotate therewith and move longitudinally through one end thereof, a flange carried by the plunger and extending outwardly therefrom adjacent the end thereof and Within the tubular shell for engaging the shoulder and arresting outward movement of the plunger, a plug closing the end of the tubular shell remote from that through which the plunger moves, said.
  • plug having aturning tool receiving socket extending thereinto through the end thereof remote from the shoulder, a compression coiled spring within the tubular shell and bearing on the plug and on the flange for yieldingly projecting the plunger through the end of the tubular shell remote from the plug, a plug closing the end of the tubularplungeradjacent the flange, an internal shoulder formed in the tubular plunger and projecting inwardly therefrom intermediate the ends thereof, a bit mounted in the tubular plunger to rotate therewith and to move longitudinally through the end thereof remote from the plug, an annular flange carried by the bit and extend ing outwardly therefrom and within the tubular plunger for engaging the shoulder in said plunger and limiting outward movement of the bit relative to the plunger, said bit having a polygonal external contour adapted to fit into the socket in the head of a still smaller screw, and a compression coiled spring within the tubular plunger for yieldingly holding said bit projected through the end of the tubular plunger remote from the plug.
  • a multiple implement for use with screws of the type having toolengaging heads said implement comprising a tubular shell having a polygonal internal contour which conforms to the external contour of the head of a screw, an-internal shoulder formed in the shell and extending inwardly therefrom intermediate the ends thereof to define a stop, a tubular plunger having a polygonal internal contour which conforms to the external contour of the head of a second and also smaller screw and having a polygonal external contour which conforms to the internal contour of the tubular shell, said plunger being mounted in the tubular shell to rotate therewith and to move longitudinally through one end thereof, a flange carried.

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

Description

Feb. 21, 1956 RUDD, 5 2,735,325
MULTIPLE WRENCH WITH TELESCOPING SECTIONS Filed Sept. 1, 1954 2 Sheets-Sheet 1 a F/G- 2 2 IN VEN TOR.
77Z77fmozqfimm v XQMZM 4 7 TOR/V575 MULTIPLE WRENCH WITH TELESCOPING SECTIONS Hilton A. Rudd, Six, Woodbridge, Va.
Application September 1, 1954, Serial No. 453,494
2 Claims. (Cl. 81-71) This invention relates to a multiple wrench and has for its primary object a single instrument capable of entering the sockets in the heads of screws and turning said screws either to loosen or tighten them.
Another object is to enable a single instrument to fit the sockets in the heads of screws of different sizes.
The above and other objects may be attained by employing this invention which embodies among its features a tubular shell having an external contour which conforms to the internal contour of the socket in the head of a screw, a shoulder carried by the shell and extending ihwardly therefrom intermediate the ends thereof to define a stop, a tubular plunger having an external contour which conforms to the internal contour of the socket in the head of a second and smaller screw and the internal contour of the tubular shell, said plunger being mounted in the tubular shell to rotate therewith and to move longitudinally through one end thereof, a flange carried by the plunger and extending outwardly therefrom adjacent the end thereof within the tubular shell for engaging the shoulder and arresting outward movement of the plunger, a plug closing the end of the tubular shell remote from that through which the plunger moves, said plug having a turning tool receiving socket extending thereinto through the end thereof remote from the shoulder, and a compression coiled spring within the tubular shell and bearing on the plug and on the flange for yieldingly projecting the plunger through the end of the tubular shell remote from the plug.
Other features include a cross handle extending through the tubular shell and the plug therein for rotating the screw driver.
In the drawings:
Figure 1 is a side view in elevation of a multiple wrench embodying the features of this invention.
Figure 2 is a longitudinal section view taken substantially on the line 22 of Figure 1;
Figure 3 is a horizontal sectional view taken substantially on the line 33 of Figure 2;
Figure 4 is a horizontal sectional view taken substantially on the line 4-4 ofFigure 2;
Figure 5 is a view similar to Figure 2, showing the multiple wrench in use with the bit telescoped into the next adjacent tubular plunger, and the intermediate tubular plunger entered into the socket in the head of a screw; and
Figure 6 is an enlarged longitudinal sectional view showing the device constructed as a multiple wrench.
Referring to the drawings in detail, this improved multiple tool designated generally it) comprises an outer shell 12 of hexagonal cross section and having a longitudinally extending hexagonal bore 14 extending through one end thereof and a conventional circular bore of larger cross section 16 opening through the opposite end of the shell 12. to define intermediate the ends of the shell a stop shoulder 18. Secured in the tubular shell 12 adjacent the end thereof through which the bore 16 extends is a plug 20 having a wrench receiving socket 22 opening through the end thereof remote from the shoulder 18, and extending transversely through an opening 24 which extends 2,735,325 Patented Feb. 21, 1956 2, through the shell 12 and plug 20 is a cross handle 26 by means of which the instrument may be rotated about its longitudinal axis.
Mounted for longitudinal sliding movement through the end of the shell 1?. remote from the plug 20 is a tubular plunger 28 carrying adjacent its end adjacent the plug 29 an outstanding annular flange 30 which rides in the bore 16 and defines a stop which engages the shoulder 18 to limit outward movement of the tubular plunger 28 through the end of the shell 12 remote from the plug 20. An end closure 32 closes the end of the tubular plunger 28 adjacent the flange 30, and seated on the tubular plunger 28 and bearing on the plug 20 is a compression coil spring 34 which yieldingly urges the tubular plunger outwardly through the end of the tubular shell 12 remote from the plug 2%. The external contour of the tubular plunger 28 conforms to the shape of the socket in the head of a screw of smaller size than the socket in the head of a screw in which the end of the tubular shell 12 is entered for turning said screw, and the external contour of the tubular plunger 28 and the internal contour of the tubular shell 12 between the shoulder 13 and the end thereof remote from the plug 20 coincide so as to assure positive rotary motion between the shell and tubular plunger while permitting relative longitudinal movement therebetween.
The tubular shell 12 is provided intermediate its ends with an inwardly extending shoulder 36 defiining an upper circular bore 33 and a lower hexagonal bore 40 of smaller cross section than the upper bore 38. A second tubular plunger 42 having an external hexagonal contour conforming to the cross sectional shape of the bore 49 is mounted in the tubular plunger 23 to move longitudinally through one end thereof, and carried by the tubular plunger 42 and extending outwardly therefrom adjacent the end thereof within the tubular plunger 23 is an annular flange 44 which is adapted to engage the shoulder 36 to limit outward movement of the tubular plunger 42. relative to the tubular plunger 28. Closing the end of the tubular plunger 4-2 adjacent the flange 44 is a plug 46 and carried by and extending inwardly from the tubular plunger 42 adjacent the end thereof remote from the plug 46 is a stop shoulder 4'3. A tool bit 59 having an external contour conforming to the internal contour 52 of the opening which extends through the shoulder 28 is mounted to project through the opening 52 and carried by the end of the tool bit 50 which is disposed within the bore 54 within the tubular plunger 42 is a head or outwardly extending flange 56 which engages the shoulder 46 to arrest outward movement of the tool bit 59. it is to be understood that the cross section of the tool bit 54) conforms in contour to the cross section of the opening 52 so as to establish driving connection between the tubular plunger 42 and the tool bit 5%}. A compression coil spring 58 is disposed within the bore 5'4 and bears at one end on the plug 46 and at its opposite end on the tool bit 50 to yieldingly urge said tool bit outwardly through the opening 52 in the tubular plunger 42.
A compression coil spring all is contained within the tubular plunger 28 and bears at opposite ends on the plugs 32 and 46, respectively, to yieldingly urge the tubular plunger 4-2 longitudinally outwardly through the bore 40.
In the modified form of the invention, illustrated in Figure 6, a tubular shell 62 is provided with a circular bore 64 which opens through one end thereof and a hexagonal bore 66 which opens through the opposite end thereof. The junction of the bores 64 and 66 define an inwardly extending shoulder 68 and the portion of the tubular shell 62 between the shoulder 68' and the endof the shell remote from the bore 64 defines a socket for engagement with a nut of relatively large diameter. A
plug- 70 closes, the. end of. the bore 64 remote from the shoulder 68 and is provided with a tool socket 72 and a transversely extending passage 74 which extends through the tubular shell 62 to receive a cross handle (not shown). Mounted for longitudinal slidingv movement through the end of the tubular body 66 remote from the plug 78is a second tubular body 76 having an internal cross section of substantially hexagonal form to enable the device to be used as a socket for turning a nut. Said body 76 is provided adjacent the end thereof having the hexagonal cross section with a bore 78 which defines with the hexagonal portion of the plunger 76 a shoulder 80 intermediate the ends of the member 76. A plug 82 closes the end of the bore 78 remote from the shoulder 80, and seated on said plug and extending upwardly therefrom for engagement with the plug 70 is a compression coil spring 84 by means of which the socket member 76 is yieldingly projected through the end of the shell 62 remote from the plug 70. A second tubular plunger or socket member 84 extends through the hexagonal portion 86 of the socket member 76 and carries adjacent its inner end an outstanding annular. flange 88 which is adapted to engage the shoulder 80 to limit outward movement of the socket member 84. The external contours of the socket members 76 and 84 conform to the internal contours of the bores 66 and 86 so as to establish turning movement between the socket members one With the other While permitting relative longitudinal movement of said socket members. A plug 90 closes the end of the socket member 84 adjacent the flange 88, and seated on said plug and extending upwardly within the bore 78 of the socket member 76 is a compression coil spring 92 which bears on the underside of the plug 82 to yieldingly urge the socket member 84 outwardly through the socket member 76. A solid socket member 92 provided with an outstanding annular flange 94 which is adapted to engage a stop shoulder 96 formed intermediate the ends of the socket member 84 is mounted for sliding movement through the end of the socket member 84- remote from the plug 90, and contained within the socket member 84 and bearing on the underside of the plug 90 and on the upper end of the socket member 92 is a compression coil spring 98. The socket member 92 is provided with a hexagonal socket 100 which opens through the end thereof remote from the flange 94 to receive the headof a bolt, or a nut of relatively small size. Obviously, as the device of Figure 6 is advanced toward a nut of a size larger than the socket 100, it will be received in the hexagonal portion of the socket member 84, while the socket member 92 telescopes into the socket member 84 against the effort of the spring 98. Obviously, as larger nuts are encountered, the socket members 84 and 76 may be telescoped into the next adjacent tubular members until the bolt head or nut is accommodated.
Obviously, the same telescopic operation is encountered by the structure of Figures 1 through 5, inclusive, as socket headed screws of different sizes are encountered by the instrument.
While in the foregoing there has been shown and described the preferred embodiment of this invention, it is to be understood that minor changes in the details of construction, combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as claimed.
What is claimed is:
1. A multiple implement for use with screws of the type having axial tool receiving sockets opening through the heads thereof, said implement comprising a tubular shell having a polygonal external contour which conforms to the internal contour of the socket in the head of a screw, an internal shoulder formed in the shell and extending inwardly therefrom intermediate the ends thereof 7 plunger being mounted in the tubular shell to rotate therewith and move longitudinally through one end thereof, a flange carried by the plunger and extending outwardly therefrom adjacent the end thereof and Within the tubular shell for engaging the shoulder and arresting outward movement of the plunger, a plug closing the end of the tubular shell remote from that through which the plunger moves, said. plug having aturning tool receiving socket extending thereinto through the end thereof remote from the shoulder, a compression coiled spring within the tubular shell and bearing on the plug and on the flange for yieldingly projecting the plunger through the end of the tubular shell remote from the plug, a plug closing the end of the tubularplungeradjacent the flange, an internal shoulder formed in the tubular plunger and projecting inwardly therefrom intermediate the ends thereof, a bit mounted in the tubular plunger to rotate therewith and to move longitudinally through the end thereof remote from the plug, an annular flange carried by the bit and extend ing outwardly therefrom and within the tubular plunger for engaging the shoulder in said plunger and limiting outward movement of the bit relative to the plunger, said bit having a polygonal external contour adapted to fit into the socket in the head of a still smaller screw, and a compression coiled spring within the tubular plunger for yieldingly holding said bit projected through the end of the tubular plunger remote from the plug.
2. A multiple implement for use with screws of the type having toolengaging heads, said implement comprising a tubular shell having a polygonal internal contour which conforms to the external contour of the head of a screw, an-internal shoulder formed in the shell and extending inwardly therefrom intermediate the ends thereof to define a stop, a tubular plunger having a polygonal internal contour which conforms to the external contour of the head of a second and also smaller screw and having a polygonal external contour which conforms to the internal contour of the tubular shell, said plunger being mounted in the tubular shell to rotate therewith and to move longitudinally through one end thereof, a flange carried. by the plunger and extending outwardly therefrom adjacent the end thereof and within the tubular shell for engaging the shoulder and arresting outward movement of the plunger, a plug closing the end of the tubular shell remote from that through which the plunger moves, said plunger having a turning tool receiving socket extending thereinto through the end thereof remote from the shoulder, a compression coiled spring within the tubular shell and bearing on the plug and on the flange for yieldingly projecting the plunger through the end of the tubular shell remote fromthe plug, a plug closing the end of the tubular plunger adjacent the flange, an internal shoulder formed in the tubular plunger and projecting inwardly therefromintermediate the ends thereof, a socket mounted in the tubular plunger to rotate therewith and to move longitudinally through the end'thereof remote from the plug, an annular flange carried by the socket and extending outwardly therefrom and within the tubular plunger for engaging the shoulder in said plunger and limiting outward movement of the socket relative to the plunger, said socket having a polygonal internal contour adapted to fit the head of a still smaller screw, and a compression coiled spring within the tubular plunger and bearing on the socket and on theplug in the tubular plunger for yieldingly, holding said socket projected through the end of the tubular plunger remote from the plug.
References Cited in the file of this patent UNITED STATES PATENTS 1,896,949 Greiner Feb. 7, 1933 1,997,948 Pearson Apr. 16, 1935 2,485,169 Roeschke Oct. 18, 1949 2,660,081 Dossie Nov. 24, 1953 2,660,082 Dreese Nov. 24,- 1953 2,669,148 Falk Feb. 16, 1954
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US2875660A (en) * 1957-05-23 1959-03-03 Fred D Svenson Self-adjusting, multiple socket wrench
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US2991678A (en) * 1960-01-11 1961-07-11 Adolphson Gottfried Wrench socket set
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US20100294093A1 (en) * 2009-05-21 2010-11-25 Jonathan Paul Tanger Wall anchor installation device
CN102350675A (en) * 2011-09-28 2012-02-15 河南科技大学 Combined internal hexagonal wrench head
US20120137837A1 (en) * 2010-12-01 2012-06-07 Souma Masaaki Bolt-nut turning multi socket
US8770069B2 (en) 2011-03-23 2014-07-08 Eric Draizin Automatically-configurable screwdriver assembly
US20150143965A1 (en) * 2013-11-22 2015-05-28 Hsin-Hung Yang Polygonal Wrench Tool
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WO2017015754A1 (en) * 2015-07-29 2017-02-02 Telehex Inc. Self-adjusting nested tool head
CN106863200A (en) * 2017-02-07 2017-06-20 雷天楚 A kind of allen driver suitable for many sizes
USD799296S1 (en) 2014-11-13 2017-10-10 Magna Industries, Inc. Faucet seat multi-wrench
US20180169840A1 (en) * 2016-12-20 2018-06-21 Oren C. Lowder Nested socket assembly
CN108451625A (en) * 2018-03-19 2018-08-28 河北医科大学第三医院 A kind of bone surgery screwdriver suitable for different size screw
US11185964B2 (en) 2019-08-01 2021-11-30 John D. Keeler Length extension assembly for a hand tool
US20220009060A1 (en) * 2020-07-10 2022-01-13 Alberto Torres-Barry Service tool including telescopically connected hex keys

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US2813450A (en) * 1954-05-03 1957-11-19 Dzus William Rotatable fastener having circular toothed tool receiving groove
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US2875660A (en) * 1957-05-23 1959-03-03 Fred D Svenson Self-adjusting, multiple socket wrench
US2938417A (en) * 1958-08-06 1960-05-31 Joseph G Haber Self adjusting socket reducing wrench
US2991678A (en) * 1960-01-11 1961-07-11 Adolphson Gottfried Wrench socket set
US3157203A (en) * 1961-05-09 1964-11-17 Williamson Inc T Apparatus for closing side openings in pipelines
US3127798A (en) * 1961-09-29 1964-04-07 Michael J Gol Telescoping inserted wrenches
US3233482A (en) * 1964-07-10 1966-02-08 Gus A Jaehne Wrench with multiple telescoping sockets
US3262338A (en) * 1964-08-03 1966-07-26 Silverbrook Mfg Co Inc Method of assembling a socket wrench
US3266144A (en) * 1964-11-18 1966-08-16 Irving H Fishlove Novelty feeding device, such as a novelty fork, spoon, or the like
US3298261A (en) * 1965-05-28 1967-01-17 Ben H Lynn Multi-socket wrench
US3289503A (en) * 1965-11-18 1966-12-06 Jr Henry G Klatt Allen wrench device
US3651720A (en) * 1969-10-01 1972-03-28 Edward F Indyk Automatic socket screw wrench
US3895828A (en) * 1973-09-13 1975-07-22 Edward Bitantis Gripping device for accommodating either male or female components
US4227429A (en) * 1978-08-14 1980-10-14 Bowers Jr William Spanner socket wrench
US4489628A (en) * 1982-08-05 1984-12-25 Nicastro Hector M Multisized fastener driving tool
US5123311A (en) * 1991-07-05 1992-06-23 Ford Motor Company Flexible axial compensating driver
US5157995A (en) * 1991-09-24 1992-10-27 Nogues Nelson E Multiple socket wrench
US5343786A (en) * 1993-03-24 1994-09-06 Snap-On Incorporated Bit and socket combination
US5524513A (en) * 1995-05-08 1996-06-11 Barahona; Ralph J. Multipurpose in-line skate wheel and bearing tool
GB2329859A (en) * 1997-10-03 1999-04-07 David Anthony Tyers Universal wrench
US6128982A (en) * 1998-04-09 2000-10-10 Gwin, Sr.; Arthur C. Spring-loaded screwdriver with cover and changeable heads
US6109147A (en) * 1998-12-08 2000-08-29 Lkl Innovations, Ltd. Hexagonal tool bit set
US6330844B1 (en) * 2000-06-30 2001-12-18 Russell Earl Walker Ultimate nut driver
US20020023522A1 (en) * 2000-08-21 2002-02-28 Layaou Richard Edward Multiple-size nut driver
US6732615B2 (en) * 2000-08-21 2004-05-11 Richard Edward Layaou Multiple-size nut driver
US6813978B1 (en) * 2003-04-08 2004-11-09 Lance D. Karpp Universal adjusting tool
US20060037147A1 (en) * 2004-08-23 2006-02-23 Henry Redford Combined nut recess cleaner and nut driver tool
US7237291B2 (en) * 2004-08-23 2007-07-03 Henry Redford Combined nut recess cleaner and nut driver tool
US7114418B1 (en) 2004-09-16 2006-10-03 Allen William G Faucet-seat tool
US7150209B1 (en) * 2004-10-21 2006-12-19 Loomis Larry A Multi-functional hexagonal driver
US20060191383A1 (en) * 2004-11-02 2006-08-31 Woods Anthony T Multiple bit tool system
US20060236822A1 (en) * 2005-04-26 2006-10-26 Nish Jeffery L Threaded member driver with retention system
US20070044597A1 (en) * 2005-08-26 2007-03-01 Pryor Troy D Extendable extension and method of use
US7188553B1 (en) 2005-08-26 2007-03-13 Pryor Troy D Extendable extension and method of use
DE102006030420A1 (en) * 2006-06-29 2008-02-07 Josef Schiegg Screwdriver i.e. hand screwdriver, for interior multi-sided screws, has external multi-sided head provided at insert, and external multi-sided head designed in form of steps, which are narrowed at end of external multi-sided head
US20100294093A1 (en) * 2009-05-21 2010-11-25 Jonathan Paul Tanger Wall anchor installation device
US8037789B2 (en) * 2009-05-21 2011-10-18 Jonathan Paul Tanger Wall anchor installation device
US20120137837A1 (en) * 2010-12-01 2012-06-07 Souma Masaaki Bolt-nut turning multi socket
US8770069B2 (en) 2011-03-23 2014-07-08 Eric Draizin Automatically-configurable screwdriver assembly
CN102350675A (en) * 2011-09-28 2012-02-15 河南科技大学 Combined internal hexagonal wrench head
US10029352B2 (en) * 2013-11-22 2018-07-24 Hsin-Hung Yang Polygonal wrench tool
US20150143965A1 (en) * 2013-11-22 2015-05-28 Hsin-Hung Yang Polygonal Wrench Tool
US20150217432A1 (en) * 2014-01-31 2015-08-06 James David Gadd Adjustable socket-engaging tool set
US9308629B2 (en) * 2014-01-31 2016-04-12 James David Gadd Adjustable socket-engaging tool set
USD799296S1 (en) 2014-11-13 2017-10-10 Magna Industries, Inc. Faucet seat multi-wrench
WO2017015754A1 (en) * 2015-07-29 2017-02-02 Telehex Inc. Self-adjusting nested tool head
US10286538B2 (en) 2015-07-29 2019-05-14 Telehex Inc. Self-adjusting nested tool head
US20180169840A1 (en) * 2016-12-20 2018-06-21 Oren C. Lowder Nested socket assembly
CN106863200A (en) * 2017-02-07 2017-06-20 雷天楚 A kind of allen driver suitable for many sizes
CN108451625A (en) * 2018-03-19 2018-08-28 河北医科大学第三医院 A kind of bone surgery screwdriver suitable for different size screw
US11185964B2 (en) 2019-08-01 2021-11-30 John D. Keeler Length extension assembly for a hand tool
US20220009060A1 (en) * 2020-07-10 2022-01-13 Alberto Torres-Barry Service tool including telescopically connected hex keys

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