US3532013A - Quick release mechanism for fine tooth ratchet wrenches - Google Patents
Quick release mechanism for fine tooth ratchet wrenches Download PDFInfo
- Publication number
- US3532013A US3532013A US725653A US3532013DA US3532013A US 3532013 A US3532013 A US 3532013A US 725653 A US725653 A US 725653A US 3532013D A US3532013D A US 3532013DA US 3532013 A US3532013 A US 3532013A
- Authority
- US
- United States
- Prior art keywords
- bolt
- plunger
- stud
- socket
- pawls
- Prior art date
- 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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Classifications
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
-
- 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
- B25B13/465—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 internally toothed ring
Definitions
- This invention relates to a quick release mechanism for socket driving wrenches of the type known as fine-toothed ratchet wrenches and in particular to a Wrench construction in which a reversing bolt is centrally located in the body of a driven stud carrying member for manually shifting the driving engagement with the head of a pair of diametrically opposed double ended pawls also carried by the driven member.
- a ratchet wrench of the type described is exemplified by 1956 Pat. No. 2,772,763 and is also disclosed in the present applicants pending application Ser. No. 704,688 filed Feb. 12, 1968.
- a quick release plunger for socket wrenches of a simple, more conventional type in which a driven member with an externally toothed body portion is a single unitary member with a stud extending therefrom is disclosed in 1965 Pat. 3,208,318.
- the primary object of the present invention is to incorporate the feature of the quick release in a fine tooth type of wrench in a simple and eflicient construction and without substantially increasing the cost thereof.
- FIG. 1 is a vertical sectional view of the head of a wrench embodying the invention, the parts of the drive mechanism being symmetrically arranged in a neutral position, and showing the socket holding position of the stud detent and related parts;
- FIG. 2 is a view similar to FIG. 1 showing the parts in the socket releasing position
- FIG. 3 is a sectional view, on a reduced scale, as on line 33 of FIG. 1;
- FIG. 4 is a sectional view as on line 4-4 of FIG. 1;
- FIG. 5 is a sectional view as on line 55 of FIG. 1, the reversing bolt and pawls of the ratchet drive being in an operative position;
- FIG. 6 is a perspective view of the head and a portion of the handle.
- the handle of the wrench is at 2 being formed integrally with a cylindrical head 4 at one end.
- a socket engaging stud at 6 of the driven member extends from one side of the head and carries a usual yieldable detent element as the ball 8 projecting from one face of the stud.
- a reversing lever is at 10 at the other side of the head and is provided with diametrically opposed integral projections 12 for manually turning the lever. Between the projections a socket release button is at 14, the button being the upper generally rectangular end portion of a quick release plunger assembly.
- the button 14 is, more directly, an extension of a ratchet reversing bolt as will be later described.
- FIGS. 1 and 2 show the head 4 with a through bore of varying diameters.
- a cylindrical Wall lying centrally between the upper and lower sides of the head, is provided with teeth as at 16 extending parallel to the axis of the bore.
- Mounted for rotation in the bore is the body portion 18 of a driven member 20.
- a stud portion 6 extends from body 18 at the lower side of the head.
- the stud as shown is square in cross sectional outline, but may, of course, be of any polygonal shape for driving a socket as is well known in the art.
- a lateral passage 22 in which is carried the detent ball 8.
- the external end of the opening is staked as by deforming the metal as at 24 to keep the ball from falling out.
- opposed segmental recesses or slots are formed at opposite sides thereof as at 26 and 28 (see also FIG. 5).
- pivot pins at 30 and 32 parallel to the axis of the bore.
- On the pins are carried double ended generally sector shaped pawls 34 and 36 to selectively engage the teeth 16 of the head.
- Pins 30 and 32 are seated in recesses as at 38 in the lower walls of the slots. The upper ends of the pins are held in through openings as at 40 of the upper walls.
- the reversing lever disk 10 Mounted above the body and rotatable relative thereto is the reversing lever disk 10.
- the peripheral edge of the disk is held between the upper wall of the body portion 18 and a flange at 42 at the top of the through bone of the head.
- the disk 10 is provided with sufiicient clearance to be freely rotatable relative to the body portion and flange 42 by reason of an annular flange of the body at 44 positioned at the other side of the head against a shoulder of an enlarged bore portion immediately below teeth 16.
- Below shoulder 44 in the body is an annular groove at 46 in which the inner edge of a conventional type of split retainer ring 48 is held.
- the outer portion of ring 48 is received as shown in a groove 50 cut in the wall of the head.
- the body portion 18 is also positioned for free rotation in the head.
- One free end of ring 48 is shown at 52 lying against a slabbed surface at 54 at the underside of the head.
- the entire assembly of the driven member 20 may be removed by pinching the two free ends of the ring together to encase the ring entirely within groove 46 and the assembly thus removed from the head.
- a flanged section is at the extreme lower end of body portion 18 to underly the head, the outer wall of this flange being knurled as indicated at 56.
- This flange provides a spinner action in using the wrench, that is to say the body can be manually rotated with the fingers without employing the handle and head for driving action.
- a workpiece if freely rotatable, can be turned rapidly until the greater force through the leverage of the handle is needed.
- the pins 30 and 32 project upwardly of the top wall of the body portion 18 and are received respectively in diametrically opposed arcuate recesses 58 and 60 at the underside of the actuating lever (see also FIG. 3).
- the reversing lever thus is limited in its turning movement relative to the body.
- pawls 34 and 36 are shown in operative relation for driving in a counter-clockwise direction.
- the pawls are double ended and teeth 62 of pawl 36 are shown in full engagement with the internal bore teeth 16 of the head while teeth 62' on the diametrically opposite or corresponding end of the other pawl 34 are offset one-half pitch relative to teeth 16. This formation of the pawls and teeth and correlation of the parts in a driving position results in the fine-ratchet action.
- Bolt 64 is formed as a diametrically extending Web formed by slabbed or parallel chordal sidewalls extending upwardly from a lower cylindrical portion at 66. Portion 66 provides a lower bearing for the bolt and is slidably received in a portion 68 (immediately below segmental slots 26 and 28) of an axial through bore in body 18.
- the upper button portion 14 of the release plunger mechanism is an integral continuation of the bolt. It extends upwardly through the top of the body and is slidably received in the generally rectangular key-hole slot 70 cut centrally through the reversing lever between projections 12.
- the axial through bore of the body furthermore, intersects segmental slots 26 and 28 and in this area bolt 64 has a transverse through slot 72 formed to receive a spring 74 urging a detent ball 76 outwardly of each end to engage the centrally lobed inner faces of the opposed pawls.
- the bolt is rotatable through an arc to shift ball detents 76 from one side of a diametrical line joining the pawl axes to the opposite side thereof.
- the parts as positioned in FIG. 5 are for driving member in a counter-clockwise direction. By turning the bolt counter-clockwise relative to body 18 (FIG. 5) the position of the pawls may be reversed and the drive thus reversed. This is accomplished by turning button portion 14 through rotation of lever 10 to which the button is keyed.
- pins and 32 limit the angular movement of lever 10 relative to the body 18 by reason of the slots 58 and 60.
- the bolt position of FIG. 5 is at one extreme of angular movement (with reference to FIG. 3, pin 30 would be engaging the uppermost end of slot 58 and pin 32 the lower end of slot 60)
- FIG. 3 as previously noted illustrating a symmetrical relation of the parts.
- the limited angular movement maintains the detents in yieldable contact against the inner faces of the pawls at either end thereof for the desired ratcheting action.
- the pawls are shifted by the detent balls 76 riding over a central lobe as at on each pawl inner face, reference being made to the above mentioned copending application for a fuller explanation of such shifting action.
- the transverse bore 72 of the bolt is located adjacent the top of the opposed pawl slots 34 and 36.
- the transverse bore 72 holds balls 76 bearing against the pawls adjacent the bottom of the slots.
- the ball detents 76 are in engagement with the pawl surfaces for reversing the same since the dimension of the segmental slots or recesses axially of the body is at least equal to, or, may be greater than the full stroke of longitudinal plunger movement.
- bolt 64 forms an upper part of a release plunger assembly, the lower cylindrical bolt portion 66 being mounted in bore portion 68.
- This latter portion has a shouldered connection with a reduced bore portion 86 extending axially through the stud 6.
- Bolt portion 66 is slidable in the upper section of the enlarged bore 68 and has a depending reduced stud in which a threaded opening is formed to receive the threaded stem 82 at the top of a detent release pin 84.
- Pin 84 is mounted to slide axially of the stud in bore 86. Wrapped around the threaded connection of the pin and bolt is a spring 88 seated at one end against the shouldered underside of the bolt, and at the other end against the shouldered portion of the through bore.
- lateral passage 22 communicates with stud bore 86.
- Pin 84 in bore 86 is provided with a lower inclined surface 90 which merges with a recess 92 of the pin inwardly thereof.
- the inclined surface 90 bears inwardly against ball 8 and yieldably pushes the same outwardly of the stud for releasably engaging the inner wall of a socket 94 on the stud.
- Socket 94 is of well known conventional construction and may or may not have a ball detent receiving recess 96.
- pin 84 will not turn, at least to any real degree because of the ball 8 engagement against the pin, when bolt 64 is turned in shifting the pawls. Normally bolt 64 will turn relative to the pin on the endwise threaded connection therewith. It will be apparent from considering FIG. 5 that the angular extent of bolt rotation is through an arc of less than 90. Thus, the turning of bolt 64 creates no longitudinal movement of any consequence relative to its positional relation with respect to the upper bore section.
- a quick release and ratchet reversing mechanism comprising a plunger having first and second portions rotatably interconnected in end-to-end relation, the first portion of said plunger including radially operable detent means, ratcheting pawl means pivotably disposed in the head of said wrench and engaged by said radially operable detent means, the second portion of said plunger including a socket engaging detent extending retractably from the socket receiving stud portion of said wrench and operable in response to longitudinal movement of said plunger for the selective retention and release of a socket therefrom, said first portion being rotatable in dependently of said second portion in response to operation of said reversing mechanism for the pivotable actuation of said pawl means by said radially operable detent means, said plunger also being movable longitudinally as a unit relative to said radially operable pawl means for controlling the operation of said socket engaging detent.
- a quick release and ratchet revsersing mechanism comprising a plunger having first and second portions rotatably interconnected in end-to-end relation, the first portion of said plunger including radially operable detents, ratcheting pawls pivotably disposed in the head of said wrench and engaged by said radially operable detents, the second portion of said plunger including a socket engaging detent extending retractably from the socket receiving stud portion of said wrench and operable in response to longitudinal movement of said plunger for the selective retention and release of a socket therefrom, said first portion being rotatable independently of said second portion in response to operation of said reversing mechanism for the pivotable actuation of said pawls by said radially operable detents, said plunger also being movable longitudinally as a unit relative to said radially operable pawls for controlling the operation of said socket engaging detent.
- a quick release device for selective retention and release of sockets by said wrench comprising a plunger having first and second portions rotatably interconnected in end-to-end relationship, said radially extending detents of the reversing mechanism being carried by the first portion of said plunger and being rotatable in response to rotation of said reversing mechanism independently of said second portion, a socket engaging detent operable by said second portion, said detent extending retractably from the socket receiving stud portion of said wrench and operable in response to longitudinal movement of said plunger, said plunger being longitudinally movable as a unit relative to said stud and pawls, said pawls having a dimension measured parallel to the longitudinal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72565368A | 1968-05-01 | 1968-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3532013A true US3532013A (en) | 1970-10-06 |
Family
ID=24915450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US725653A Expired - Lifetime US3532013A (en) | 1968-05-01 | 1968-05-01 | Quick release mechanism for fine tooth ratchet wrenches |
Country Status (1)
Country | Link |
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US (1) | US3532013A (en) |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638519A (en) * | 1970-06-08 | 1972-02-01 | Black & Decker Mfg Co | Socket release construction for socket wrench |
US3713356A (en) * | 1971-01-18 | 1973-01-30 | Snap On Tools Corp | Socket release mechanism for wrenches and the like |
US3762245A (en) * | 1971-04-08 | 1973-10-02 | Litton Industrial Products | Quick release and speeder for socket wrench |
US3945274A (en) * | 1975-08-13 | 1976-03-23 | Annett Ii Charles E | Speed wrench |
US4187747A (en) * | 1978-02-21 | 1980-02-12 | Litton Industrial Products, Inc. | Quick release mechanism for socket wrench |
US4245528A (en) * | 1979-05-29 | 1981-01-20 | Ingersoll-Rand Company | Push button socket release mechanism |
US4292863A (en) * | 1980-02-08 | 1981-10-06 | Hickman Jack L | Automatic socket ejector |
US4297924A (en) * | 1980-05-13 | 1981-11-03 | Perry M. Lane | Ratchet wrench |
US4324158A (en) * | 1980-07-14 | 1982-04-13 | Le Roy Alfred N | Illuminated wrench |
US4347767A (en) * | 1981-01-06 | 1982-09-07 | Gentiluomo Joseph A | Ratcheting device |
EP0066710A2 (en) * | 1981-06-05 | 1982-12-15 | Peter M. Roberts | Quick-release and positive locking mechanism for use on socket wrenches and on power and impact tools |
US4399722A (en) * | 1981-03-06 | 1983-08-23 | Sardo Jr Vincent | Socket wrench including quick-release adaptor |
US4491043A (en) * | 1981-03-10 | 1985-01-01 | Dempsey John D | Stepless wrench including quick release mechanism |
US4520697A (en) * | 1982-09-29 | 1985-06-04 | Moetteli John B | Ratchet wrench |
US4553453A (en) * | 1981-03-10 | 1985-11-19 | Dempsey John D | Stepless wrench including quick release mechanism |
US4602534A (en) * | 1982-09-29 | 1986-07-29 | Moetteli John B | Ratchet wrench |
US4614457A (en) * | 1985-07-15 | 1986-09-30 | Sammon James P | Coupling mechanism |
US4733584A (en) * | 1986-05-12 | 1988-03-29 | Richard Karge | Socket wrench extension |
US4817476A (en) * | 1986-05-12 | 1989-04-04 | Richard Karge | Socket wrench extension |
US5000066A (en) * | 1983-07-05 | 1991-03-19 | Gentiluomo Paul A | Ratchet wrench |
US5028181A (en) * | 1990-05-14 | 1991-07-02 | Grumman Aerospace Corporation | Quick change right angle and offset drill head |
US5537899A (en) * | 1995-03-27 | 1996-07-23 | Snap-On Technologies, Inc. | Dual-pawl ratcheting mechanism with provision for preventing pawl jamming |
US5765669A (en) * | 1996-01-26 | 1998-06-16 | Dwbh Ventures Ltd. | Reversible, infinitely variable wedging element, force transfer device |
US6006631A (en) * | 1998-05-20 | 1999-12-28 | Miner; Montie H. | Through-hole quick release adapters |
US6067881A (en) * | 1995-06-07 | 2000-05-30 | Albertson; David V. | Hand tool |
US6276239B1 (en) | 1995-06-07 | 2001-08-21 | David V. Albertson | Hand tool |
US20040093994A1 (en) * | 2002-11-18 | 2004-05-20 | Hsiao Ching Jih | D-shaped headed ratchet wrench structure |
US20040109723A1 (en) * | 2002-12-04 | 2004-06-10 | Reynertson John L. | Coupling with enhanced concentricity maintainability and torque handling capability |
US20040107803A1 (en) * | 2002-12-06 | 2004-06-10 | Shui-Lai Chiang | Quick rotation wrench having an angle adjustment structure |
US20050229739A1 (en) * | 2004-03-30 | 2005-10-20 | Steiner Donald J | Grab-activated self-locking winch handle |
US7066055B1 (en) * | 2004-12-30 | 2006-06-27 | Yi-Min Lee | Ratchet wrench that can release socket rapidly |
GB2437265A (en) * | 2006-04-19 | 2007-10-24 | Tsung-Da Lin | Quick release device for ratchet tools |
US20090284026A1 (en) * | 2008-05-18 | 2009-11-19 | Southco, Inc. | T-handle actuator and latch |
US20160059390A1 (en) * | 2014-08-27 | 2016-03-03 | Yi-Fu Chen | Control device for ratchet wrench |
US9757847B2 (en) | 2015-04-24 | 2017-09-12 | Ty-Flot, Inc. | Ratchet wrench with a locking release assembly |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2772763A (en) * | 1951-01-12 | 1956-12-04 | Williams J H & Co | Ratchet wrench |
US3208318A (en) * | 1964-04-24 | 1965-09-28 | Peter M Roberts | Quick release for socket wrenches |
US3467231A (en) * | 1968-02-12 | 1969-09-16 | Moore Drop Forging Co | Pawl reversing mechanism for ratchet wrenches |
-
1968
- 1968-05-01 US US725653A patent/US3532013A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2772763A (en) * | 1951-01-12 | 1956-12-04 | Williams J H & Co | Ratchet wrench |
US3208318A (en) * | 1964-04-24 | 1965-09-28 | Peter M Roberts | Quick release for socket wrenches |
US3467231A (en) * | 1968-02-12 | 1969-09-16 | Moore Drop Forging Co | Pawl reversing mechanism for ratchet wrenches |
Cited By (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638519A (en) * | 1970-06-08 | 1972-02-01 | Black & Decker Mfg Co | Socket release construction for socket wrench |
US3713356A (en) * | 1971-01-18 | 1973-01-30 | Snap On Tools Corp | Socket release mechanism for wrenches and the like |
US3762245A (en) * | 1971-04-08 | 1973-10-02 | Litton Industrial Products | Quick release and speeder for socket wrench |
US3945274A (en) * | 1975-08-13 | 1976-03-23 | Annett Ii Charles E | Speed wrench |
US4187747A (en) * | 1978-02-21 | 1980-02-12 | Litton Industrial Products, Inc. | Quick release mechanism for socket wrench |
US4245528A (en) * | 1979-05-29 | 1981-01-20 | Ingersoll-Rand Company | Push button socket release mechanism |
US4292863A (en) * | 1980-02-08 | 1981-10-06 | Hickman Jack L | Automatic socket ejector |
US4297924A (en) * | 1980-05-13 | 1981-11-03 | Perry M. Lane | Ratchet wrench |
US4324158A (en) * | 1980-07-14 | 1982-04-13 | Le Roy Alfred N | Illuminated wrench |
US4347767A (en) * | 1981-01-06 | 1982-09-07 | Gentiluomo Joseph A | Ratcheting device |
US4399722A (en) * | 1981-03-06 | 1983-08-23 | Sardo Jr Vincent | Socket wrench including quick-release adaptor |
US4491043A (en) * | 1981-03-10 | 1985-01-01 | Dempsey John D | Stepless wrench including quick release mechanism |
US4553453A (en) * | 1981-03-10 | 1985-11-19 | Dempsey John D | Stepless wrench including quick release mechanism |
EP0066710A2 (en) * | 1981-06-05 | 1982-12-15 | Peter M. Roberts | Quick-release and positive locking mechanism for use on socket wrenches and on power and impact tools |
US4420995A (en) * | 1981-06-05 | 1983-12-20 | Roberts Peter M | Quick-release and positive locking mechanism for use on socket wrenches and on power and impact tools |
EP0066710A3 (en) * | 1981-06-05 | 1983-08-24 | Peter M. Roberts | Quick-release and positive locking mechanism for use on socket wrenches and on power and impact tools |
US4520697A (en) * | 1982-09-29 | 1985-06-04 | Moetteli John B | Ratchet wrench |
US4602534A (en) * | 1982-09-29 | 1986-07-29 | Moetteli John B | Ratchet wrench |
US5000066A (en) * | 1983-07-05 | 1991-03-19 | Gentiluomo Paul A | Ratchet wrench |
US4614457A (en) * | 1985-07-15 | 1986-09-30 | Sammon James P | Coupling mechanism |
US4817476A (en) * | 1986-05-12 | 1989-04-04 | Richard Karge | Socket wrench extension |
US4733584A (en) * | 1986-05-12 | 1988-03-29 | Richard Karge | Socket wrench extension |
US5028181A (en) * | 1990-05-14 | 1991-07-02 | Grumman Aerospace Corporation | Quick change right angle and offset drill head |
US5537899A (en) * | 1995-03-27 | 1996-07-23 | Snap-On Technologies, Inc. | Dual-pawl ratcheting mechanism with provision for preventing pawl jamming |
US6067881A (en) * | 1995-06-07 | 2000-05-30 | Albertson; David V. | Hand tool |
US6276239B1 (en) | 1995-06-07 | 2001-08-21 | David V. Albertson | Hand tool |
US6516688B2 (en) | 1995-06-07 | 2003-02-11 | David V. Albertson | Hand tool |
US5765669A (en) * | 1996-01-26 | 1998-06-16 | Dwbh Ventures Ltd. | Reversible, infinitely variable wedging element, force transfer device |
US6006631A (en) * | 1998-05-20 | 1999-12-28 | Miner; Montie H. | Through-hole quick release adapters |
US20040093994A1 (en) * | 2002-11-18 | 2004-05-20 | Hsiao Ching Jih | D-shaped headed ratchet wrench structure |
US6799919B2 (en) * | 2002-12-04 | 2004-10-05 | Ryeson Corporation | Coupling with enhanced concentricity maintainability and torque handling capability |
US20040109723A1 (en) * | 2002-12-04 | 2004-06-10 | Reynertson John L. | Coupling with enhanced concentricity maintainability and torque handling capability |
US20040107803A1 (en) * | 2002-12-06 | 2004-06-10 | Shui-Lai Chiang | Quick rotation wrench having an angle adjustment structure |
US6752048B1 (en) * | 2002-12-06 | 2004-06-22 | Shui-Lai Chiang | Quick rotation wrench having an angle adjustment structure |
US20050229739A1 (en) * | 2004-03-30 | 2005-10-20 | Steiner Donald J | Grab-activated self-locking winch handle |
US7114705B2 (en) | 2004-03-30 | 2006-10-03 | Steiner Donald J | Grab-activated self-locking winch handle |
US7066055B1 (en) * | 2004-12-30 | 2006-06-27 | Yi-Min Lee | Ratchet wrench that can release socket rapidly |
US20060144196A1 (en) * | 2004-12-30 | 2006-07-06 | Yi-Min Lee | Ratchet wrench that can release socket rapidly |
GB2437265A (en) * | 2006-04-19 | 2007-10-24 | Tsung-Da Lin | Quick release device for ratchet tools |
US20090284026A1 (en) * | 2008-05-18 | 2009-11-19 | Southco, Inc. | T-handle actuator and latch |
US8336931B2 (en) | 2008-05-18 | 2012-12-25 | Southco, Inc. | T-handle actuator and latch |
US20160059390A1 (en) * | 2014-08-27 | 2016-03-03 | Yi-Fu Chen | Control device for ratchet wrench |
US9757847B2 (en) | 2015-04-24 | 2017-09-12 | Ty-Flot, Inc. | Ratchet wrench with a locking release assembly |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: FIRST NATIONAL BANK THE Free format text: SECURITY INTEREST;ASSIGNOR:EASCO TOOLS, INC., A CORP. OF MD.;REEL/FRAME:004572/0981 Effective date: 19860626 |
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AS | Assignment |
Owner name: EASCO HAND TOOLS, INC., MARYLAND Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:FIRST NATIONAL BANK OF BOSTON, THE (AS AGENT);REEL/FRAME:004641/0852 Effective date: 19861027 Owner name: EASCO HAND TOOLS, INC., 318 CLUBHOUSE ROAD, HUNT V Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:FIRST NATIONAL BANK OF BOSTON, THE (AS AGENT);REEL/FRAME:004641/0852 Effective date: 19861027 Owner name: FIRST NATIONAL BANK OF BOSTON THE, MASSACHUSETTS Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC. A MA CORP;REEL/FRAME:004641/0855 Effective date: 19860812 Owner name: BANCBOSTON FINANCIAL COMPANY, MASSACHUSETTS Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC. A MA CORP;REEL/FRAME:004641/0855 Effective date: 19860812 Owner name: FIRST NATIONAL BANK OF BOSTON THE, 100 FEDERAL STR Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC. A MA CORP;REEL/FRAME:004641/0855 Effective date: 19860812 Owner name: BANCBOSTON FINANCIAL COMPANY, 100 FEDERAL STREET, Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC. A MA CORP;REEL/FRAME:004641/0855 Effective date: 19860812 |
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Owner name: BANCBOSTON FINANCIAL COMPANY, A MASSACHUSETTS BUSI Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC., A CORP. OF DE.;REEL/FRAME:004749/0135 Effective date: 19870702 Owner name: FIRST NATIONAL BANK OF BOSTON, THE Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC., A CORP. OF DE.;REEL/FRAME:004749/0135 Effective date: 19870702 |
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Owner name: BANCBOSTON FINANCIAL COMPANY Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC.;REEL/FRAME:004740/0674 Effective date: 19870522 |
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Owner name: EASCO HAND TOOLS, INC. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. NUNC PRO TUNC;ASSIGNOR:MOORE DROP FORGING CO., BY: WAYNE M. MYERS;REEL/FRAME:004818/0200 Effective date: 19871102 |
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Owner name: BANCBOSTON FINANCIAL COMPANY,, MASSACHUSETTS Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC.;REEL/FRAME:005094/0513 Effective date: 19881031 Owner name: FIRST NATIONAL BANK OF BOSTON, THE, MASSACHUSETTS Free format text: SECURITY INTEREST;ASSIGNOR:EASCO HAND TOOLS, INC.;REEL/FRAME:005094/0513 Effective date: 19881031 |
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Owner name: EASCO HAND TOOLS, INC., MARYLAND Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:BANCBOSTON FINANCIAL COMPANY,;REEL/FRAME:005383/0121 Effective date: 19900626 |