US20030121373A1 - Spanner with prevention of disengagement of fasteners - Google Patents
Spanner with prevention of disengagement of fasteners Download PDFInfo
- Publication number
- US20030121373A1 US20030121373A1 US10/295,368 US29536802A US2003121373A1 US 20030121373 A1 US20030121373 A1 US 20030121373A1 US 29536802 A US29536802 A US 29536802A US 2003121373 A1 US2003121373 A1 US 2003121373A1
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- US
- United States
- Prior art keywords
- spanner
- receiving space
- polygonal
- polygonal receiving
- grooves
- 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.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/12—Forming profiles on internal or external surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/28—Making machine elements wheels; discs
- B21K1/30—Making machine elements wheels; discs with gear-teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K21/00—Making hollow articles not covered by a single preceding sub-group
- B21K21/08—Shaping hollow articles with different cross-section in longitudinal direction, e.g. nozzles, spark-plugs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K5/00—Making tools or tool parts, e.g. pliers
-
- 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
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/04—Spanners; Wrenches with rigid jaws of ring jaw type
-
- 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
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
- B25B13/065—Spanners; Wrenches with rigid jaws of socket type characterised by the cross-section of the socket
-
- 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
- B25B23/0071—Abutment for screws or nuts
Definitions
- the present invention relates to a spanner that may prevent disengagement of fasteners during operation.
- FIG. 1 of the drawings illustrates a conventional spanner with a box end.
- a nut or bolt head
- the box end of the spanner As shown in FIG. 2.
- the nut tends to move out of the box end such that the outer periphery of the nut is apt to be damaged and thus cannot be used anymore.
- Applicant's U.S. patent application Ser. No. 09/599,206 proposes an improved spanner for retaining fasteners in place during operation.
- a spanner cannot be used in a case that the spanner must be passed through, e.g., a nut for driving, e.g., a bolt head to which the nut is engaged when the bolt head is located at a place that is difficult or impossible to access from the other side.
- a nut for driving e.g., a bolt head to which the nut is engaged when the bolt head is located at a place that is difficult or impossible to access from the other side.
- a spanner that can be passed through, e.g., a nut to drive, e.g., a bolt head to which the nut is engaged when the bolt head is located at a place that is difficult or impossible to access from the other side.
- a spanner comprises a box end that has an inner periphery consisting of a plurality of wall faces to define a first polygonal receiving space.
- Each wall face includes a groove defined therein.
- the grooves of the wall faces together define a second polygonal receiving space.
- At least one of the grooves includes a closed first end and an open second end.
- a spanner comprises a box end and a drive member rotatably mounted in the box end.
- the drive member comprises an inner periphery consisting of a plurality of wall faces to define a first polygonal receiving space.
- Each wall face includes a groove defined therein.
- the grooves of the wall faces together define a second polygonal receiving space. At least one of the grooves includes a closed first end and an open second end.
- Each groove is preferably triangular and includes a closed first end and an open second end.
- the first polygonal receiving space and the second polygonal space are triangular, square, hexagonal, or octagonal.
- the first polygonal receiving space may have an angular positional difference of 60°, 45°, 30°, or 22.5° from the second polygonal receiving space.
- FIG. 1 is a partial, perspective view of a box end of a conventional spanner.
- FIG. 2 is a partial, perspective view illustrating use of the conventional spanner in FIG. 1.
- FIG. 3 is a partial, top view of the conventional spanner in FIG. 2.
- FIG. 4 is a partial, sectional view taken alone line 4 - 4 in Fig.
- FIG. 5 is a partial, top view of a first embodiment of a box end of a spanner in accordance with the present invention.
- FIG. 6 is a partial, perspective view of the box end of the spanner in FIG. 5.
- FIG. 7 is a partial, perspective view, partly cutaway, of the box end of the spanner in FIG. 6.
- FIG. 8 is a partial, top view of the box end of the spanner in FIG. 5.
- FIG. 9 is a partial, sectional, view taken along line 9 - 9 in FIG. 8.
- FIG. 10 is a partial, sectional view similar to FIG. 9, wherein the spanner is engaged with the bolt head.
- FIG. 11 is a partial, top view of the box end of the spanner, illustrating another use of the spanner.
- FIG. 12 is a partial, sectional view taken along line 12 - 12 of FIG. 11.
- FIG. 13 is a partial, top view of a second embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 14 is a partial, top view of a third embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 15 is a partial, top view of a fourth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 16 is a partial, top view of a fifth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 17 is a partial, top view of a sixth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 18 is a partial, top view of a seventh embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 19 is a partial, top view of an eighth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 20 is a partial, top view of a ninth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 21 is a partial, top view of a tenth embodiment of the box end of the spanner in accordance with the present invention.
- a first embodiment of a spanner 10 in accordance with the present invention generally includes a box end 11 in which a drive member 12 is rotatably mounted.
- the drive member 12 includes an inner periphery for driving a fastener, such as a nut or bolt head.
- the inner periphery of the drive member 12 has six wall faces 13 .
- the spanner 10 may further include a switch piece 17 for changing ratcheting direction for driving fasteners, such as nuts, bolt heads, etc.
- the spanner may be a ratchet-type spanner allowing a change in the ratcheting direction.
- the spanner may include two box ends or be of any other type having a box end with a structure disclosed in this specification.
- the inner periphery of the drive member 12 defines a receiving space 12 a (FIG. 7) having a first open end 14 and a second open end 15 .
- each wall face 13 of the drive member 12 includes a triangular groove 16 having a closed first end 161 that is adjacent to the first open end 14 and an open second end 162 (FIG. 7) that is adjacent to the second open end 15 .
- the six triangular grooves 16 together define a hexagonal receiving space 16 a (FIG. 5) that has an angular positional difference of, e.g., 30° from the receiving space 12 a defined by the inner periphery of the drive member 12 .
- the spanner can be used as a normal spanner in which a nut 30 to be tightened or loosened is received in the receiving space 12 a defined by the inner periphery of the drive member 12 , as shown in FIGS. 8 and 9. Nevertheless, the spanner can be passed through the nut 30 to engage with a bolt head 22 of a bolt 20 to which the nut 30 is engaged, as shown in FIG. 10. Thus, the spanner can be used to drive the bolt head 22 . This is particularly advantageous when the bolt head 22 is located at a place that is difficult or impossible to access from the other side (the lower side in FIG. 10).
- the spanner can be used in a manner that the nut 30 is received in the receiving space 16 a defined by the triangular grooves 16 , as shown in FIGS. 11 and 12. It is noted that the nut 30 bears against the end walls of the first closed ends 161 of the triangular grooves 16 during loosening or tightening. Namely, the nut 30 is stopped by the end walls of the first closed ends 161 of the triangular grooves 16 . Accordingly, disengagement of the nut 30 during operation is prevented.
- FIG. 13 illustrates a second embodiment of the box end of the spanner 10 , wherein only one of the triangular grooves 16 includes a closed first end 161 and an open second end; i.e., each of the other five triangular grooves 16 has an open first end and a second open end.
- FIG. 14 illustrates a third embodiment of the box end of the spanner 10 , wherein the inner periphery of the drive member 12 is triangular and includes three wall faces 13 .
- Each wall face 13 includes a triangular groove 16 having a closed first end 161 and an open second end (not shown).
- the three triangular grooves 16 together define a triangular receiving space 16 b that has an angular positional difference of, e.g., 60° from a triangular receiving space 12 b defined by the inner periphery of the drive member 12 .
- FIG. 15 illustrates a fourth embodiment of the box end of the spanner 10 that is modified from the third embodiment of FIG. 14, wherein only one of the triangular grooves 16 includes a closed first end 161 and an open second end; i.e., each of the other two triangular grooves 16 has an open first end and a second open end.
- the spanners shown in FIGS. 14 and 15 can be used to drive triangular fasteners.
- FIG. 16 illustrates a fifth embodiment of the box end of the spanner 10 , wherein the inner periphery of the drive member 12 is square and includes four wall faces 13 .
- Each wall face 13 includes a triangular groove 16 having a closed first end 161 and an open second end (not shown).
- the four triangular grooves 16 together define a square receiving space 16 c that has an angular positional difference of, e.g., 45° from a square receiving space 12 c defined by the inner periphery of the drive member 12 .
- FIG. 17 illustrates a sixth embodiment of the box end of the spanner 10 that is modified from the fifth embodiment of FIG. 16, wherein only one of the triangular grooves 16 includes a closed first end 161 and an open second end; i.e., each of the other three triangular grooves 16 has an open first end and a second open end.
- the spanners shown in FIGS. 16 and 17 can be used to drive square fasteners.
- FIG. 18 illustrates a seventh embodiment of the box end of the spanner 10 , wherein the inner periphery of the drive member 12 is octagonal and includes eight wall faces 13 .
- Each wall face 13 includes a triangular groove 16 having a closed first end 161 and an open second end (not shown).
- the eight triangular grooves 16 together define an octagonal receiving space 16 d that has, an angular positional difference of, e.g., 22.5° from an octagonal receiving space 12 d defined by the inner periphery of the drive member 12 .
- FIG. 19 illustrates an eighth embodiment of the box end of the spanner 10 that is modified from the seventh embodiment of FIG. 18, wherein only one of the triangular grooves 16 includes a closed first end 161 and an open second end; i.e., each of the other seven triangular grooves 16 has an open first end and a second open end.
- the spanners shown in FIGS. 18 and 19 can be used to drive octagonal fasteners.
- FIG. 20 illustrates a ninth embodiment of the box end of the spanner 10 , wherein the box end has no drive member mounted therein.
- the box end of the spanner 10 includes an inner periphery having, e.g., six wall faces 13 .
- Each wall face 13 includes a triangular groove 16 having a closed first end 161 and an open second end (not shown).
- the six triangular grooves 16 together define a hexagonal receiving space 16 a that has an angular positional difference of, e.g., 30° from a hexagonal receiving space 12 a defined by the inner periphery of the box end of the spanner.
- FIG. 21 illustrates a tenth embodiment of the box end of the spanner 10 that is modified from the ninth embodiment of FIG. 20, wherein only one of the triangular grooves 16 includes a closed first end 161 and an open second end; i.e., each of the other five triangular grooves 16 has an open first end and a second open end.
- the spanners shown in FIGS. 20 and 21 can be used to drive hexagonal fasteners.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Description
- The present application is a continuation of, and claims priority to, U.S. patent application Ser. No. 09/820,061, filed Mar. 28, 2001, which is a continuation-in-part application of U.S. patent application Ser. No. 09/599,206, filed on Jun. 22, 2000, now abandoned.
- The present invention relates to a spanner that may prevent disengagement of fasteners during operation.
- FIG. 1 of the drawings illustrates a conventional spanner with a box end. When in use, a nut (or bolt head) is held in the box end of the spanner, as shown in FIG. 2. Nevertheless, as shown in FIGS. 3 and 4, the nut tends to move out of the box end such that the outer periphery of the nut is apt to be damaged and thus cannot be used anymore. Applicant's U.S. patent application Ser. No. 09/599,206 proposes an improved spanner for retaining fasteners in place during operation. However, such a spanner cannot be used in a case that the spanner must be passed through, e.g., a nut for driving, e.g., a bolt head to which the nut is engaged when the bolt head is located at a place that is difficult or impossible to access from the other side.
- It is the primary object of the present invention to provide a spanner that may retain fasteners in place during operation.
- It is another object of the present invention to provide a spanner that can be passed through, e.g., a nut to drive, e.g., a bolt head to which the nut is engaged when the bolt head is located at a place that is difficult or impossible to access from the other side.
- In accordance with one aspect of the invention, a spanner comprises a box end that has an inner periphery consisting of a plurality of wall faces to define a first polygonal receiving space. Each wall face includes a groove defined therein. The grooves of the wall faces together define a second polygonal receiving space. At least one of the grooves includes a closed first end and an open second end.
- In accordance with another aspect of the invention, a spanner comprises a box end and a drive member rotatably mounted in the box end. The drive member comprises an inner periphery consisting of a plurality of wall faces to define a first polygonal receiving space. Each wall face includes a groove defined therein. The grooves of the wall faces together define a second polygonal receiving space. At least one of the grooves includes a closed first end and an open second end.
- Each groove is preferably triangular and includes a closed first end and an open second end. The first polygonal receiving space and the second polygonal space are triangular, square, hexagonal, or octagonal. In addition, the first polygonal receiving space may have an angular positional difference of 60°, 45°, 30°, or 22.5° from the second polygonal receiving space.
- Other objects, advantages, and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
- FIG. 1 is a partial, perspective view of a box end of a conventional spanner.
- FIG. 2 is a partial, perspective view illustrating use of the conventional spanner in FIG. 1.
- FIG. 3 is a partial, top view of the conventional spanner in FIG. 2.
- FIG. 4 is a partial, sectional view taken alone line4-4 in Fig.
- FIG. 5 is a partial, top view of a first embodiment of a box end of a spanner in accordance with the present invention.
- FIG. 6 is a partial, perspective view of the box end of the spanner in FIG. 5.
- FIG. 7 is a partial, perspective view, partly cutaway, of the box end of the spanner in FIG. 6.
- FIG. 8 is a partial, top view of the box end of the spanner in FIG. 5.
- FIG. 9 is a partial, sectional, view taken along line9-9 in FIG. 8.
- FIG. 10 is a partial, sectional view similar to FIG. 9, wherein the spanner is engaged with the bolt head.
- FIG. 11 is a partial, top view of the box end of the spanner, illustrating another use of the spanner.
- FIG. 12 is a partial, sectional view taken along line12-12 of FIG. 11.
- FIG. 13 is a partial, top view of a second embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 14 is a partial, top view of a third embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 15 is a partial, top view of a fourth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 16 is a partial, top view of a fifth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 17 is a partial, top view of a sixth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 18 is a partial, top view of a seventh embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 19 is a partial, top view of an eighth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 20 is a partial, top view of a ninth embodiment of the box end of the spanner in accordance with the present invention.
- FIG. 21 is a partial, top view of a tenth embodiment of the box end of the spanner in accordance with the present invention.
- Referring to FIGS. 5 through 21 and initially to FIGS. 5 through 9, a first embodiment of a
spanner 10 in accordance with the present invention generally includes abox end 11 in which adrive member 12 is rotatably mounted. Thedrive member 12 includes an inner periphery for driving a fastener, such as a nut or bolt head. In this embodiment, the inner periphery of thedrive member 12 has six wall faces 13. Thespanner 10 may further include aswitch piece 17 for changing ratcheting direction for driving fasteners, such as nuts, bolt heads, etc. Namely, the spanner may be a ratchet-type spanner allowing a change in the ratcheting direction. Of course, the spanner may include two box ends or be of any other type having a box end with a structure disclosed in this specification. - The inner periphery of the
drive member 12 defines areceiving space 12 a (FIG. 7) having a firstopen end 14 and a secondopen end 15. As illustrated in FIGS. 5 through 7, eachwall face 13 of thedrive member 12 includes atriangular groove 16 having a closedfirst end 161 that is adjacent to the firstopen end 14 and an open second end 162 (FIG. 7) that is adjacent to the secondopen end 15. As illustrated in FIG. 5, the sixtriangular grooves 16 together define ahexagonal receiving space 16 a (FIG. 5) that has an angular positional difference of, e.g., 30° from thereceiving space 12 a defined by the inner periphery of thedrive member 12. - In use, the spanner can be used as a normal spanner in which a
nut 30 to be tightened or loosened is received in thereceiving space 12 a defined by the inner periphery of thedrive member 12, as shown in FIGS. 8 and 9. Nevertheless, the spanner can be passed through thenut 30 to engage with abolt head 22 of abolt 20 to which thenut 30 is engaged, as shown in FIG. 10. Thus, the spanner can be used to drive thebolt head 22. This is particularly advantageous when thebolt head 22 is located at a place that is difficult or impossible to access from the other side (the lower side in FIG. 10). - In addition, the spanner can be used in a manner that the
nut 30 is received in thereceiving space 16 a defined by thetriangular grooves 16, as shown in FIGS. 11 and 12. It is noted that thenut 30 bears against the end walls of the first closed ends 161 of thetriangular grooves 16 during loosening or tightening. Namely, thenut 30 is stopped by the end walls of the first closed ends 161 of thetriangular grooves 16. Accordingly, disengagement of thenut 30 during operation is prevented. - FIG. 13 illustrates a second embodiment of the box end of the
spanner 10, wherein only one of thetriangular grooves 16 includes a closedfirst end 161 and an open second end; i.e., each of the other fivetriangular grooves 16 has an open first end and a second open end. - FIG. 14 illustrates a third embodiment of the box end of the
spanner 10, wherein the inner periphery of thedrive member 12 is triangular and includes three wall faces 13. Each wall face 13 includes atriangular groove 16 having a closedfirst end 161 and an open second end (not shown). The threetriangular grooves 16 together define atriangular receiving space 16 b that has an angular positional difference of, e.g., 60° from atriangular receiving space 12 b defined by the inner periphery of thedrive member 12. - FIG. 15 illustrates a fourth embodiment of the box end of the
spanner 10 that is modified from the third embodiment of FIG. 14, wherein only one of thetriangular grooves 16 includes a closedfirst end 161 and an open second end; i.e., each of the other twotriangular grooves 16 has an open first end and a second open end. The spanners shown in FIGS. 14 and 15 can be used to drive triangular fasteners. - FIG. 16 illustrates a fifth embodiment of the box end of the
spanner 10, wherein the inner periphery of thedrive member 12 is square and includes four wall faces 13. Each wall face 13 includes atriangular groove 16 having a closedfirst end 161 and an open second end (not shown). The fourtriangular grooves 16 together define a square receiving space 16 c that has an angular positional difference of, e.g., 45° from a square receiving space 12 c defined by the inner periphery of thedrive member 12. - FIG. 17 illustrates a sixth embodiment of the box end of the
spanner 10 that is modified from the fifth embodiment of FIG. 16, wherein only one of thetriangular grooves 16 includes a closedfirst end 161 and an open second end; i.e., each of the other threetriangular grooves 16 has an open first end and a second open end. The spanners shown in FIGS. 16 and 17 can be used to drive square fasteners. - FIG. 18 illustrates a seventh embodiment of the box end of the
spanner 10, wherein the inner periphery of thedrive member 12 is octagonal and includes eight wall faces 13. Each wall face 13 includes atriangular groove 16 having a closedfirst end 161 and an open second end (not shown). The eighttriangular grooves 16 together define anoctagonal receiving space 16 d that has, an angular positional difference of, e.g., 22.5° from anoctagonal receiving space 12 d defined by the inner periphery of thedrive member 12. - FIG. 19 illustrates an eighth embodiment of the box end of the
spanner 10 that is modified from the seventh embodiment of FIG. 18, wherein only one of thetriangular grooves 16 includes a closedfirst end 161 and an open second end; i.e., each of the other seventriangular grooves 16 has an open first end and a second open end. The spanners shown in FIGS. 18 and 19 can be used to drive octagonal fasteners. - FIG. 20 illustrates a ninth embodiment of the box end of the
spanner 10, wherein the box end has no drive member mounted therein. Instead, the box end of thespanner 10 includes an inner periphery having, e.g., six wall faces 13. Each wall face 13 includes atriangular groove 16 having a closedfirst end 161 and an open second end (not shown). The sixtriangular grooves 16 together define ahexagonal receiving space 16 a that has an angular positional difference of, e.g., 30° from ahexagonal receiving space 12 a defined by the inner periphery of the box end of the spanner. - FIG. 21 illustrates a tenth embodiment of the box end of the
spanner 10 that is modified from the ninth embodiment of FIG. 20, wherein only one of thetriangular grooves 16 includes a closedfirst end 161 and an open second end; i.e., each of the other fivetriangular grooves 16 has an open first end and a second open end. The spanners shown in FIGS. 20 and 21 can be used to drive hexagonal fasteners. - According to the above descriptions, it is appreciated that the spanners in accordance with the present invention can be used in three different manners in response to different needs.
- Although the invention has been explained in relation to its preferred embodiment, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the invention as hereinafter claimed.
Claims (22)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US10/295,368 US20030121373A1 (en) | 2000-06-22 | 2002-11-15 | Spanner with prevention of disengagement of fasteners |
US10/689,259 US20040079205A1 (en) | 2000-06-22 | 2003-10-20 | Spanner with prevention of disengagement of fasteners |
US10/879,923 US7340983B2 (en) | 2000-06-22 | 2004-06-28 | Spanner with prevention of disengagement of fasteners |
US12/045,492 US7673542B2 (en) | 2000-06-22 | 2008-03-10 | Spanner with prevention of disengagement of fasteners |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US59920600A | 2000-06-22 | 2000-06-22 | |
US09/820,061 US20010054334A1 (en) | 2000-06-22 | 2001-03-28 | Spanner with prevention of disengagement of fasteners |
US10/295,368 US20030121373A1 (en) | 2000-06-22 | 2002-11-15 | Spanner with prevention of disengagement of fasteners |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US09/820,061 Continuation US20010054334A1 (en) | 2000-06-22 | 2001-03-28 | Spanner with prevention of disengagement of fasteners |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/689,259 Continuation US20040079205A1 (en) | 2000-06-22 | 2003-10-20 | Spanner with prevention of disengagement of fasteners |
Publications (1)
Publication Number | Publication Date |
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US20030121373A1 true US20030121373A1 (en) | 2003-07-03 |
Family
ID=27083271
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
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US09/820,061 Abandoned US20010054334A1 (en) | 2000-06-22 | 2001-03-28 | Spanner with prevention of disengagement of fasteners |
US10/295,368 Abandoned US20030121373A1 (en) | 2000-06-22 | 2002-11-15 | Spanner with prevention of disengagement of fasteners |
US10/689,259 Abandoned US20040079205A1 (en) | 2000-06-22 | 2003-10-20 | Spanner with prevention of disengagement of fasteners |
US10/879,923 Expired - Lifetime US7340983B2 (en) | 2000-06-22 | 2004-06-28 | Spanner with prevention of disengagement of fasteners |
US12/045,492 Expired - Fee Related US7673542B2 (en) | 2000-06-22 | 2008-03-10 | Spanner with prevention of disengagement of fasteners |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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US09/820,061 Abandoned US20010054334A1 (en) | 2000-06-22 | 2001-03-28 | Spanner with prevention of disengagement of fasteners |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
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US10/689,259 Abandoned US20040079205A1 (en) | 2000-06-22 | 2003-10-20 | Spanner with prevention of disengagement of fasteners |
US10/879,923 Expired - Lifetime US7340983B2 (en) | 2000-06-22 | 2004-06-28 | Spanner with prevention of disengagement of fasteners |
US12/045,492 Expired - Fee Related US7673542B2 (en) | 2000-06-22 | 2008-03-10 | Spanner with prevention of disengagement of fasteners |
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US (5) | US20010054334A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20020023520A1 (en) * | 2000-02-03 | 2002-02-28 | Bobby Hu | Biasing arrangement for a pawl of a reversible ratchet-type wrench |
US6971286B2 (en) * | 2002-07-22 | 2005-12-06 | Bobby Hu | Ratcheting wrench with quick tightening/loosening functions and fine adjusting functions |
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 |
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-
2001
- 2001-03-28 US US09/820,061 patent/US20010054334A1/en not_active Abandoned
-
2002
- 2002-11-15 US US10/295,368 patent/US20030121373A1/en not_active Abandoned
-
2003
- 2003-10-20 US US10/689,259 patent/US20040079205A1/en not_active Abandoned
-
2004
- 2004-06-28 US US10/879,923 patent/US7340983B2/en not_active Expired - Lifetime
-
2008
- 2008-03-10 US US12/045,492 patent/US7673542B2/en not_active Expired - Fee Related
Cited By (3)
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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 |
US20020023520A1 (en) * | 2000-02-03 | 2002-02-28 | Bobby Hu | Biasing arrangement for a pawl of a reversible ratchet-type wrench |
US6971286B2 (en) * | 2002-07-22 | 2005-12-06 | Bobby Hu | Ratcheting wrench with quick tightening/loosening functions and fine adjusting functions |
Also Published As
Publication number | Publication date |
---|---|
US20040231469A1 (en) | 2004-11-25 |
US7340983B2 (en) | 2008-03-11 |
US20010054334A1 (en) | 2001-12-27 |
US20040079205A1 (en) | 2004-04-29 |
US7673542B2 (en) | 2010-03-09 |
US20080148907A1 (en) | 2008-06-26 |
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AS | Assignment |
Owner name: HAND TOOL DESIGN CORPORATION, DELAWARE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LING, DAVID;TUAN-MU, HSIEN-CHUNG;REEL/FRAME:013501/0947 Effective date: 20010306 |
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STCB | Information on status: application discontinuation |
Free format text: EXPRESSLY ABANDONED -- DURING EXAMINATION |
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AS | Assignment |
Owner name: EASCO HAND TOOLS, INC., CONNECTICUT Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HAND TOOL DESIGN CORPORATION;REEL/FRAME:015312/0851 Effective date: 20040405 |
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Owner name: CINCINNATI MACHINE, LLC, KENTUCKY Free format text: RELEASE OF SECURITY INTEREST;ASSIGNOR:GENERAL ELECTRIC CAPITAL CORPORATION;REEL/FRAME:024812/0186 Effective date: 20100803 |