US20080155785A1 - Telescopic hand tool - Google Patents
Telescopic hand tool Download PDFInfo
- Publication number
- US20080155785A1 US20080155785A1 US11/647,371 US64737106A US2008155785A1 US 20080155785 A1 US20080155785 A1 US 20080155785A1 US 64737106 A US64737106 A US 64737106A US 2008155785 A1 US2008155785 A1 US 2008155785A1
- Authority
- US
- United States
- Prior art keywords
- restricting
- sliding groove
- knob
- bar
- hand tool
- 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
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/04—Handle constructions telescopic; extensible; sectional
- B25G1/043—Handle constructions telescopic; extensible; sectional for screwdrivers, wrenches or spanners
Definitions
- This invention relates to a hand tool, particularly to one that can be adjusted telescopically and kept immovably by means of a knob able to re-position automatically.
- a conventional telescopic hand tool 10 is composed of a main body 11 , a bar 12 , a controlling cover 13 , a compression spring 14 and a C-shaped lock washer 15 .
- the main body 11 is provided with plural restricting ball holes 111 bored axially with equidistance and a shallow groove 112 concaved to communicate with the restricting ball holes 111 .
- the bar 12 is provided with a positioning hole 121 bored at its one end for a positioning ball 122 to stay on, and an annular slot 123 bored around a certain spot.
- the controlling cover 13 is provided with a controlling groove 131 and an accommodating groove 132 formed respectively on its inner wall of two opposite sides and spaced apart by a blocking projection edge 133 provided with a controlling slope 1331 formed at its one side.
- the compression spring 14 is mounted on the bar 12 .
- the controlling cover 13 has to be moved toward the C-shaped lock washer 15 fitted in the annular slot 123 , keeping the controlling slope 1331 of the controlling cover 13 separated from the positioning ball 122 but staying in the controlling groove 131 without being restricted by the restricting ball holes 111 and the shallow groove 112 .
- the main body 11 can be moved to a desired location and positioned restrictively while releasing the controlling cover 13 to move back to its original location, keeping the positioning ball 122 fitted restrictively in another restricting ball hole 111 again.
- the controlling cover 13 has to be continuously dragged axially while adjusting the length of the main body 11 .
- the compression spring 14 is installed between the controlling cover 13 and the bar 12 , not only relatively increasing a gap between the controlling cover 13 and the bar 12 but also apt to cause the controlling cover 13 moving vacillatingly along the bar 12 .
- the objective of this invention is to offer a telescopic hand tool.
- the main characteristics of the invention are a main body, a bar and a positioning device.
- the bar is provided with an axial hole bored axially from its one end for engaging with a telescopic bar of the main body, and a sliding groove dug around its surface, bored with a ball hole.
- the positioning device is composed of a restricting knob, a compression spring and a restricting plate.
- the restricting knob can slide restrictively along the sliding groove by means of a restricting block so as to let the main body move in the bar axially.
- the compression spring can push elastically the restricting knob back to its original position to press on a steel ball constrained in a restricting ball hole of the main body, keeping the main body locked restrictively in the bar.
- the main body is positioned precisely and stably in the bar.
- the compression spring can elastically push the restricting knob back to its original position to restrict the steel ball from moving.
- the restricting knob can be just operated to move right or left by a finger for adjusting the length of the main body, conforming with requirements of humanization and simplification.
- FIG. 1 is a cross-sectional view of a conventional telescopic hand tool
- FIG. 2 is a perspective view of a first preferred embodiment of a telescopic hand tool in the present invention
- FIG. 3 is an exploded perspective view of the first preferred embodiment of a telescopic hand tool in the present invention
- FIG. 4 is a cross-sectional view of the first preferred embodiment of a telescopic hand tool in the present invention, showing its main body positioned restrictively by its bar;
- FIG. 5 is a cross-sectional view of the first preferred embodiment of a telescopic hand tool in the present invention, showing the main body loosened by the bar to move in the bar;
- FIG. 6 is a cross-sectional view of the first preferred embodiment of a telescopic hand tool in the present invention, showing how the main body be positioned restrictively by the bar;
- FIG. 7 is a cross-sectional view of the first preferred embodiment of a telescopic hand tool in the present invention, showing how the main body be loosened by the bar;
- FIG. 8 is a partial exploded perspective view of a second preferred embodiment of a telescopic hand tool in the present invention.
- a first preferred embodiment of a telescopic hand tool in the present invention is composed of a main body 20 , a bar 30 and a positioning device 40 .
- the main body 20 is provided with a working head 21 formed in its front portion and a telescopic bar 22 formed in its rear portion.
- the working head 21 is provided with a ratchet set 211 for engaging with a tool.
- the telescopic bar 22 formed cylindrical is provided with plural restricting ball holes 221 bored axially with equidistance, and a shallow groove 222 concaved with a depth lower than that of the restricting ball holes 221 , for communicating with the restricting ball holes 221 .
- the bar 30 formed as an annular column is provided with an axial hole 31 bored axially from its one end for engaging with the telescopic bar 22 of the main body 20 , a sliding groove 32 dug near the opening of the axial hole 31 to form as a two-step ladder, and a ball hole 33 bored in the sliding groove 32 for a steel ball 34 to fit in.
- the diameter of the ball hole 33 is slightly larger than that of the steel ball 34 , enabling the steel ball 34 positioned restrictively in the restricting ball holes 221 of the main body 20 .
- the bar 30 is also provided with a projection 35 planted longitudinally at two sides of the sliding groove 32 respectively and a grip 36 wrapped around a portion opposite to the axial hole 31 for a user to hold.
- the positioning device 40 is fixed on the sliding groove 32 of the bar 30 , provided with a restricting knob 41 , a compression spring 42 and a restricting plate 43 .
- the restricting knob 41 is provided with a restricting block 411 located at its bottom side to correspond with the sliding groove 32 , able to keep the restricting knob 41 sliding along the sliding groove 32 , and a push key 412 formed triangular on its top side for a user to easily push it to keep the restricting knob 41 sliding along the sliding groove 32 .
- the restricting knob 41 is in addition provided with a wing 413 formed at its two curved sides respectively, corresponding to the sliding groove 32 .
- the compression spring 42 is installed in the sliding groove 32 and constrained by the restricting block 411 while sliding the restricting knob 41 , keeping one end of the compression spring 42 contacted with the sliding groove 32 and the other end leaned on the restricting block 411 , so that the restricting knob 41 can be pushed back to its original position by the compression spring 42 elastically.
- the restricting plate 43 is formed as an arc-like plate to correspond with the sliding groove 32 of the bar 30 , provided with an elongate opening 431 shaped rectangular cut in its central portion to correspond with the sliding groove 32 for the restricting knob 41 to fit through to enable the restricting plate 43 fixed at two edges of the sliding groove 32 , keeping the push key 412 exposed outside.
- the restricting plate 43 is additionally provided with a restricting portion 432 formed at two sides of the elongate opening 431 respectively, able to press on the wings 413 of the restricting knob 41 to let the restricting knob 41 slide along the sliding groove 32 .
- a positioning hole 433 bored at two sides of the restricting plate 43 respectively for correspondingly fitting with the projection 35 .
- the restricting plate 43 is restrictively fixed on the edge of the sliding groove 32 .
- the restricting knob 41 and the restricting plate 43 are preferably made of metal, they can also be made of plastics easily formed into a variety of shapes.
- the steel ball 34 is first put in the ball hole 33 of the sliding groove 32 of the bar 30 and the restricting block 411 of the restricting knob 41 is fitted in the sliding groove 32 to enable the restricting knob 41 to slide along the sliding groove 32 .
- the steel ball 34 is to sink in one of the restricting ball holes 221 to let the restricting knob 41 move to the top of the steel ball 34 , keeping the steel ball 34 pressed by the restricting block 411 to be fitted in one of the restricting ball hole 221 to make the main body 20 positioned restrictively in the bar 30 .
- the knob 412 of the restricting knob 41 has to be pushed to keep the restricting block 411 moved away from the steel ball 34 , enabling the steel ball 34 released from the restricting ball hole 221 to move up in the shallow groove 222 , so that the main body 20 can freely move to and fro in the bar 30 .
- the steel ball 34 is to spontaneously sink in one of the restricting ball holes 221 again. Then, as shown in FIGS.
- the restricting knob 41 is allowed to move back elastically by the compression spring 42 to keep the steel ball 34 pressed by the restricting block 411 , correspondingly positioning the steel ball 34 in that one of the restricting ball holes 221 and restricting the main body 20 from moving in the bar 30 .
- a second preferred embodiment of a telescopic hand tool in the present invention has the same components as the first embodiment does except those described below.
- the restricting plate 43 is provided with two through holes 434 bored at its two sides respectively, corresponding to the female-threaded holes 37 for screws 38 to pass through to screw fixedly with the female-threaded holes 37 , keeping the restricting plate 43 fixed on the sliding groove 32 of the bar 30 .
- an arrow mark 435 is printed on an outer surface of the restricting plate 43 to indicate the direction for a user to operate the restricting knob 41 .
- the main body 20 is positioned precisely and stably in the bar 30 .
- the compression spring 42 can elastically push the restricting knob 41 back to its original position to restrict the steel ball 34 from moving easily.
- the restricting knob 41 can be just operated to move right or left by a finger for adjusting the length of the main body 20 , conforming with requirements of humanization and simplification.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
A telescopic hand tool consists of a main body, a bar and a positioning device. The bar possesses an axial hole bored axially from its one end for engaging with a telescopic bar of the main body, and a sliding groove dug around its surface, bored with a ball hole. The positioning device includes a restricting knob, a compression spring and a restricting plate. The restricting knob can slide restrictively along within the sliding groove by means of a restricting block so as to let the main body move in the bar axially. The compression spring can push elastically the restricting knob back to its original position to press on a steel ball restricted in a restricting ball hole of the main body, keeping the main body locked restrictively in the bar.
Description
- 1. Field of the Invention
- This invention relates to a hand tool, particularly to one that can be adjusted telescopically and kept immovably by means of a knob able to re-position automatically.
- 2. Description of the Prior Art
- Commonly, as shown in
FIG. 1 , a conventionaltelescopic hand tool 10 is composed of amain body 11, abar 12, a controllingcover 13, acompression spring 14 and a C-shaped lock washer 15. Themain body 11 is provided with pluralrestricting ball holes 111 bored axially with equidistance and ashallow groove 112 concaved to communicate with the restrictingball holes 111. Thebar 12 is provided with apositioning hole 121 bored at its one end for apositioning ball 122 to stay on, and anannular slot 123 bored around a certain spot. The controllingcover 13 is provided with a controllinggroove 131 and anaccommodating groove 132 formed respectively on its inner wall of two opposite sides and spaced apart by a blockingprojection edge 133 provided with a controllingslope 1331 formed at its one side. Thecompression spring 14 is mounted on thebar 12. When the length of the hand tool is to be adjusted, the controllingcover 13 has to be moved toward the C-shaped lock washer 15 fitted in theannular slot 123, keeping the controllingslope 1331 of the controllingcover 13 separated from thepositioning ball 122 but staying in the controllinggroove 131 without being restricted by the restrictingball holes 111 and theshallow groove 112. Thus, themain body 11 can be moved to a desired location and positioned restrictively while releasing the controllingcover 13 to move back to its original location, keeping thepositioning ball 122 fitted restrictively in another restrictingball hole 111 again. But, it is so inconvenient that the controllingcover 13 has to be continuously dragged axially while adjusting the length of themain body 11. Moreover, thecompression spring 14 is installed between the controllingcover 13 and thebar 12, not only relatively increasing a gap between the controllingcover 13 and thebar 12 but also apt to cause the controllingcover 13 moving vacillatingly along thebar 12. - The objective of this invention is to offer a telescopic hand tool.
- The main characteristics of the invention are a main body, a bar and a positioning device. The bar is provided with an axial hole bored axially from its one end for engaging with a telescopic bar of the main body, and a sliding groove dug around its surface, bored with a ball hole. The positioning device is composed of a restricting knob, a compression spring and a restricting plate. The restricting knob can slide restrictively along the sliding groove by means of a restricting block so as to let the main body move in the bar axially. The compression spring can push elastically the restricting knob back to its original position to press on a steel ball constrained in a restricting ball hole of the main body, keeping the main body locked restrictively in the bar. Therefore, by means of the restricting block of the restricting knob keeping the steel ball in the restricting ball hole immovably, the main body is positioned precisely and stably in the bar. And, the compression spring can elastically push the restricting knob back to its original position to restrict the steel ball from moving. The restricting knob can be just operated to move right or left by a finger for adjusting the length of the main body, conforming with requirements of humanization and simplification.
- This invention is better understood by referring to the accompanying drawings, wherein:
-
FIG. 1 is a cross-sectional view of a conventional telescopic hand tool; -
FIG. 2 is a perspective view of a first preferred embodiment of a telescopic hand tool in the present invention; -
FIG. 3 is an exploded perspective view of the first preferred embodiment of a telescopic hand tool in the present invention; -
FIG. 4 is a cross-sectional view of the first preferred embodiment of a telescopic hand tool in the present invention, showing its main body positioned restrictively by its bar; -
FIG. 5 is a cross-sectional view of the first preferred embodiment of a telescopic hand tool in the present invention, showing the main body loosened by the bar to move in the bar; -
FIG. 6 is a cross-sectional view of the first preferred embodiment of a telescopic hand tool in the present invention, showing how the main body be positioned restrictively by the bar; -
FIG. 7 is a cross-sectional view of the first preferred embodiment of a telescopic hand tool in the present invention, showing how the main body be loosened by the bar; and -
FIG. 8 is a partial exploded perspective view of a second preferred embodiment of a telescopic hand tool in the present invention. - As shown in
FIGS. 2 and 3 , a first preferred embodiment of a telescopic hand tool in the present invention is composed of amain body 20, abar 30 and apositioning device 40. - The
main body 20 is provided with a workinghead 21 formed in its front portion and atelescopic bar 22 formed in its rear portion. The workinghead 21 is provided with aratchet set 211 for engaging with a tool. Thetelescopic bar 22 formed cylindrical is provided with pluralrestricting ball holes 221 bored axially with equidistance, and ashallow groove 222 concaved with a depth lower than that of the restrictingball holes 221, for communicating with the restrictingball holes 221. - The
bar 30 formed as an annular column is provided with anaxial hole 31 bored axially from its one end for engaging with thetelescopic bar 22 of themain body 20, asliding groove 32 dug near the opening of theaxial hole 31 to form as a two-step ladder, and aball hole 33 bored in thesliding groove 32 for asteel ball 34 to fit in. The diameter of theball hole 33 is slightly larger than that of thesteel ball 34, enabling thesteel ball 34 positioned restrictively in the restrictingball holes 221 of themain body 20. In addition, thebar 30 is also provided with aprojection 35 planted longitudinally at two sides of thesliding groove 32 respectively and agrip 36 wrapped around a portion opposite to theaxial hole 31 for a user to hold. - The
positioning device 40, as shown inFIGS. 4˜6 , is fixed on thesliding groove 32 of thebar 30, provided with a restrictingknob 41, acompression spring 42 and arestricting plate 43. The restrictingknob 41 is provided with a restrictingblock 411 located at its bottom side to correspond with thesliding groove 32, able to keep the restrictingknob 41 sliding along thesliding groove 32, and apush key 412 formed triangular on its top side for a user to easily push it to keep the restrictingknob 41 sliding along thesliding groove 32. The restrictingknob 41 is in addition provided with awing 413 formed at its two curved sides respectively, corresponding to thesliding groove 32. Thecompression spring 42 is installed in thesliding groove 32 and constrained by therestricting block 411 while sliding the restrictingknob 41, keeping one end of thecompression spring 42 contacted with thesliding groove 32 and the other end leaned on the restrictingblock 411, so that the restrictingknob 41 can be pushed back to its original position by thecompression spring 42 elastically. The restrictingplate 43 is formed as an arc-like plate to correspond with thesliding groove 32 of thebar 30, provided with anelongate opening 431 shaped rectangular cut in its central portion to correspond with thesliding groove 32 for the restrictingknob 41 to fit through to enable the restrictingplate 43 fixed at two edges of thesliding groove 32, keeping thepush key 412 exposed outside. The restrictingplate 43 is additionally provided with a restrictingportion 432 formed at two sides of theelongate opening 431 respectively, able to press on thewings 413 of the restrictingknob 41 to let the restrictingknob 41 slide along thesliding groove 32. In addition, there is apositioning hole 433 bored at two sides of the restrictingplate 43 respectively for correspondingly fitting with theprojection 35. Finally, therestricting plate 43 is restrictively fixed on the edge of thesliding groove 32. Though the restrictingknob 41 and the restrictingplate 43 are preferably made of metal, they can also be made of plastics easily formed into a variety of shapes. - In assembly, as shown in
FIGS. 3 and 4 , thesteel ball 34 is first put in theball hole 33 of thesliding groove 32 of thebar 30 and therestricting block 411 of the restrictingknob 41 is fitted in thesliding groove 32 to enable the restrictingknob 41 to slide along thesliding groove 32. When themain body 20 is moved to a desired position, thesteel ball 34 is to sink in one of the restrictingball holes 221 to let the restrictingknob 41 move to the top of thesteel ball 34, keeping thesteel ball 34 pressed by the restrictingblock 411 to be fitted in one of the restrictingball hole 221 to make themain body 20 positioned restrictively in thebar 30. Next, install thecompression spring 42 between thesliding groove 32 and the restrictingblock 411 for elastically pushing the restrictingknob 41 back to its original position after having been pushed away. Then, put therestricting plate 43 on thesliding groove 32 and keep thepositioning holes 433 engaged with theprojections 35, so that therestricting plate 43 is fixed above thesliding groove 32 of thebar 30. Spontaneously, thewings 413 of the restrictingknob 41 are pressed by the restrictingportion 432 of the restrictingplate 43 to constrain the restrictingknob 41 to slide along within thesliding groove 32. - In using, as shown in
FIGS. 5˜7 , theknob 412 of the restrictingknob 41 has to be pushed to keep the restrictingblock 411 moved away from thesteel ball 34, enabling thesteel ball 34 released from the restrictingball hole 221 to move up in theshallow groove 222, so that themain body 20 can freely move to and fro in thebar 30. As themain body 20 is adjusted to another new position, thesteel ball 34 is to spontaneously sink in one of the restrictingball holes 221 again. Then, as shown inFIGS. 4 and 6 , the restrictingknob 41 is allowed to move back elastically by thecompression spring 42 to keep thesteel ball 34 pressed by the restrictingblock 411, correspondingly positioning thesteel ball 34 in that one of the restrictingball holes 221 and restricting themain body 20 from moving in thebar 30. - As shown in
FIG. 8 , a second preferred embodiment of a telescopic hand tool in the present invention has the same components as the first embodiment does except those described below. There are two female-threadedholes 37 bored at two sides of thesliding groove 32 respectively. The restrictingplate 43 is provided with two throughholes 434 bored at its two sides respectively, corresponding to the female-threadedholes 37 forscrews 38 to pass through to screw fixedly with the female-threadedholes 37, keeping therestricting plate 43 fixed on thesliding groove 32 of thebar 30. In addition, anarrow mark 435 is printed on an outer surface of the restrictingplate 43 to indicate the direction for a user to operate the restrictingknob 41. - The advantages of the invention are abbreviated below as can be seen from the foresaid description. By means of the restricting
block 411 of the restrictingknob 41 keeping thesteel ball 34 in the restrictingball hole 221 immovably, themain body 20 is positioned precisely and stably in thebar 30. And, thecompression spring 42 can elastically push the restrictingknob 41 back to its original position to restrict thesteel ball 34 from moving easily. The restrictingknob 41 can be just operated to move right or left by a finger for adjusting the length of themain body 20, conforming with requirements of humanization and simplification. - While the preferred embodiment of the invention has been described above, it will be recognized and understood that various modifications may be made therein and the appended claims are intended to cover all such modifications that may fall within the spirit and scope of the invention.
Claims (9)
1. A telescopic hand tool comprising:
a main body provided with a working head formed in its front portion for engaging with a tool and a telescopic bar formed in its rear portion, said telescopic bar provided with plural restricting ball holes bored axially and a shallow groove concaved to communicate with said restricting ball holes, said restricting ball holes having a depth deeper than that of said restricting ball holes;
a bar provided with an axial hole bored axially from its one end for engaging with said telescopic bar of said main body and a sliding groove dug near an opening of said axial hole 31, said sliding groove bored with a ball hole for fitting with a steel ball that is correspondingly to be fitted in said restricting ball hole of said main body; and
a positioning device fixed on, said sliding groove of said bar and provided with a restricting knob, a compression spring and a restricting plate, said restricting knob provided with a restricting block located at its bottom side to correspond with said sliding groove so that said restricting knob is able to slide along said sliding groove and press said steel ball to be positioned in one of said restricting ball holes, and a push key formed on an top side of said restricting knob for a user to easily push it to keep said restricting knob sliding along within said sliding groove, said restricting knob also provided with a wing formed at its two curved sides respectively to correspond to said sliding groove, said compression spring installed between said restricting block and said sliding groove and able to push elastically said restricting knob to move back to its original position after pushed away, said restricting plate provided with an elongate opening cut in its central portion to correspond with said sliding groove for fitting with said restricting knob so as to keep said restricting plate fixed at two edges of said sliding groove, and a restricting portion formed at two sides of said elongate opening respectively for pressing on said wings of said restricting knob to let said restricting knob slide along within said sliding groove.
2. A telescopic hand tool as claimed in claim 1 , wherein said sliding groove is formed as a two-step ladder for said wings of said restricting knob to attach, said wings further pressed by said restricting portion of said restricting plate to keep said restricting knob sliding restrictively along said sliding groove.
3. A telescopic hand tool as claimed in claim 1 , wherein said compression spring is installed in said sliding groove and constrained by said restricting block, keeping one end of said compression spring contacted with said sliding groove and the other one leaned on said restricting block so that said restricting knob can be pushed back to its original position by said compression spring elastically.
4. A telescopic hand tool as claimed in claim 1 , wherein said bar is provided with a projection planted longitudinally at two sides of said sliding groove respectively for fitting with a restricting hole bored correspondingly at two sides of said restricting plate to keep said restricting plate fixed on the edge of said sliding groove of said bar.
5. A telescopic hand tool as claimed in claim 1 , wherein said sliding groove of said bar is provided with two female-threaded holes bored at its two sides respectively, said restricting plate provided with two through holes bored at its two sides respectively to correspond to said female-threaded holes for screws to pass through to screw fixedly with said female-threaded holes, keeping said restricting plate fixed on the edge of said sliding groove of said bar.
6. A telescopic hand tool as claimed in claim 1 , wherein said bar is provided with a grip wrapped around some of its surface.
7. A telescopic hand tool as claimed in claim 1 , wherein said restricting knob and said restricting plate are made of metal.
8. A telescopic hand tool as claimed in claim 1 , wherein said restricting knob and said restricting plate are made of plastics.
9. A telescopic hand tool as claimed in claim 1 , wherein said restricting plate is provided with an arrow mark printed on its outer surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/647,371 US20080155785A1 (en) | 2006-12-29 | 2006-12-29 | Telescopic hand tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/647,371 US20080155785A1 (en) | 2006-12-29 | 2006-12-29 | Telescopic hand tool |
Publications (1)
Publication Number | Publication Date |
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US20080155785A1 true US20080155785A1 (en) | 2008-07-03 |
Family
ID=39581917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/647,371 Abandoned US20080155785A1 (en) | 2006-12-29 | 2006-12-29 | Telescopic hand tool |
Country Status (1)
Country | Link |
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US (1) | US20080155785A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130228051A1 (en) * | 2012-03-03 | 2013-09-05 | Chin-Tan Huang | Telescopic hand tool |
US20150143965A1 (en) * | 2013-11-22 | 2015-05-28 | Hsin-Hung Yang | Polygonal Wrench Tool |
US20150183097A1 (en) * | 2012-07-24 | 2015-07-02 | Ismet Reiz | Flexible wrench |
USD743770S1 (en) * | 2014-09-26 | 2015-11-24 | Kuan Jen Hsieh | Handle of hand tool |
US20170165852A1 (en) * | 2015-12-10 | 2017-06-15 | Milwaukee Electric Tool Corporation | Bolt cutter |
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US3227015A (en) * | 1965-06-14 | 1966-01-04 | Thedore C Tremblay | Extending socket wrench |
US3255792A (en) * | 1964-03-18 | 1966-06-14 | Josef E Louis | Locking device for tool handles |
US4427100A (en) * | 1982-03-15 | 1984-01-24 | General Clutch Corp. | Reversible tool handle |
US4696208A (en) * | 1985-12-13 | 1987-09-29 | Lay Tsay T | Direction-changeable structure of hand tool handle |
US5396820A (en) * | 1993-01-15 | 1995-03-14 | Baker; David R. | Open end wrench with removable handle |
US20040074349A1 (en) * | 2002-10-16 | 2004-04-22 | Mou-Tang Liou | Tool including a tool bit and a handle |
US6877186B2 (en) * | 2003-06-10 | 2005-04-12 | Hsuan-Sen Shiao | Swingable handle for a hand tool |
US6953196B1 (en) * | 2003-03-31 | 2005-10-11 | Daniel Huang | Non-inflation adapter for prompt engagement with a shank of a screw driver and a handle |
US20070151427A1 (en) * | 2005-12-29 | 2007-07-05 | Shih-Kun Chen | Retractable handle for hand tools |
US20070186730A1 (en) * | 2006-02-16 | 2007-08-16 | Chia-Yu Chen | Extensible handle for a hand tool |
-
2006
- 2006-12-29 US US11/647,371 patent/US20080155785A1/en not_active Abandoned
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US3255792A (en) * | 1964-03-18 | 1966-06-14 | Josef E Louis | Locking device for tool handles |
US3227015A (en) * | 1965-06-14 | 1966-01-04 | Thedore C Tremblay | Extending socket wrench |
US4427100A (en) * | 1982-03-15 | 1984-01-24 | General Clutch Corp. | Reversible tool handle |
US4696208A (en) * | 1985-12-13 | 1987-09-29 | Lay Tsay T | Direction-changeable structure of hand tool handle |
US5396820A (en) * | 1993-01-15 | 1995-03-14 | Baker; David R. | Open end wrench with removable handle |
US20040074349A1 (en) * | 2002-10-16 | 2004-04-22 | Mou-Tang Liou | Tool including a tool bit and a handle |
US6953196B1 (en) * | 2003-03-31 | 2005-10-11 | Daniel Huang | Non-inflation adapter for prompt engagement with a shank of a screw driver and a handle |
US6877186B2 (en) * | 2003-06-10 | 2005-04-12 | Hsuan-Sen Shiao | Swingable handle for a hand tool |
US20070151427A1 (en) * | 2005-12-29 | 2007-07-05 | Shih-Kun Chen | Retractable handle for hand tools |
US20070186730A1 (en) * | 2006-02-16 | 2007-08-16 | Chia-Yu Chen | Extensible handle for a hand tool |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130228051A1 (en) * | 2012-03-03 | 2013-09-05 | Chin-Tan Huang | Telescopic hand tool |
US20150183097A1 (en) * | 2012-07-24 | 2015-07-02 | Ismet Reiz | Flexible wrench |
US20150143965A1 (en) * | 2013-11-22 | 2015-05-28 | Hsin-Hung Yang | Polygonal Wrench Tool |
US10029352B2 (en) * | 2013-11-22 | 2018-07-24 | Hsin-Hung Yang | Polygonal wrench tool |
USD743770S1 (en) * | 2014-09-26 | 2015-11-24 | Kuan Jen Hsieh | Handle of hand tool |
US20170165852A1 (en) * | 2015-12-10 | 2017-06-15 | Milwaukee Electric Tool Corporation | Bolt cutter |
US10343295B2 (en) * | 2015-12-10 | 2019-07-09 | Milwaukee Electric Tool Corporation | Bolt cutter |
US11090822B2 (en) | 2015-12-10 | 2021-08-17 | Milwaukee Electric Tool Corporation | Bolt cutter |
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Legal Events
Date | Code | Title | Description |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |