TWI549783B - Ratchet wrench drive head socket structure - Google Patents
Ratchet wrench drive head socket structure Download PDFInfo
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- TWI549783B TWI549783B TW104140793A TW104140793A TWI549783B TW I549783 B TWI549783 B TW I549783B TW 104140793 A TW104140793 A TW 104140793A TW 104140793 A TW104140793 A TW 104140793A TW I549783 B TWI549783 B TW I549783B
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Description
本發明尤指其提供一種可使套筒工具之接合端的部分長度隱入驅動頭內，以縮短套筒工具的凸伸長度，達到提升使用便利性之棘輪扳手之驅動頭套接結構。 In particular, the present invention provides a driving head socket structure in which a part of the length of the engaging end of the sleeve tool is hidden into the driving head to shorten the convex elongation of the sleeve tool and to improve the ease of use.
請參閱第1圖所示，目前常見的棘輪扳手係於本體10之一端裝設有換向開關11、卡掣齒12及驅動頭13，該驅動頭13之外環面係環設有與該卡掣齒12嚙合傳動之棘齒部131，而可於扳轉該本體10時，藉由換向開關11及卡掣齒12的傳動，使該驅動頭13作動。請參閱第2圖所示，該驅動頭13係於第一端端面凸設有第一樞軸部132，而以該第一樞軸部132樞設於本體10之第一表面101，該驅動頭13另於第二端端面上凸設有第二樞軸部133，本體10之第二表面102則以一C型扣14扣合一外蓋15，並使該第二樞軸部133樞設於該外蓋15上，進而利用外蓋15可將卡掣齒12及驅動頭13限位於本體10之一端內；其中，驅動頭13另於第二端凸設有呈四角狀之套接柱134，以供套接套筒工具之接合端，該套接柱134上可設有由快脫機構帶動之珠體135，以供快速定位或分離套筒工具，由於該快脫機構已為習知的技術，且非重點所在，因此不予贅述。請參閱第3圖所示，一套筒工具20其第一端係為接合端21，該接合端21並開設有四角孔211，以套接驅動頭13之套接柱134，套筒工具20之第二端則為作業端22，該作業端22並開設有六角孔221，以套合於鎖合 件；當驅動頭13之套接柱134套接套筒工具20之接合端21時，該接合端21之端面係抵接於驅動頭13第二端端面上之第二樞軸部133，而使套筒工具20以其本身的長度凸出於本體10之第二表面102，亦即若套筒工具20其本身的長度為28mm，套筒工具20就是以28mm的凸伸長度凸出於本體10之第二表面102；然而在實際的使用上，特別對於一些狹小的作業空間，例如汽車的引擎室，這樣的凸伸長度常常導致棘輪扳手及套筒工具20無法伸入至作業位置，尤其常見有1mm~3mm之差的遺憾，而影響其使用的便利性。 Referring to FIG. 1 , a conventional ratchet wrench is provided with a reversing switch 11 , a latching tooth 12 and a driving head 13 at one end of the main body 10 , and the outer ring of the driving head 13 is provided with The latching teeth 12 engage the transmission ratcheting portion 131, and when the body 10 is turned, the driving head 13 is actuated by the transmission of the reversing switch 11 and the latching teeth 12. As shown in FIG. 2 , the driving head 13 has a first pivot portion 132 protruding from the first end surface, and the first pivot portion 132 is pivoted on the first surface 101 of the body 10 . The second pivot portion 133 is protruded from the second end surface of the head 13 , and the second surface 102 of the body 10 is fastened with a C-shaped buckle 14 to engage an outer cover 15 and pivots the second pivot portion 133 . The cover 15 is disposed on the outer cover 15 to limit the latching teeth 12 and the driving head 13 to one end of the body 10; wherein the driving head 13 is further provided with a quadrangular sleeve at the second end. a post 134 for engaging the socket end of the sleeve tool, the sleeve 134 may be provided with a bead 135 driven by a quick release mechanism for quickly positioning or separating the sleeve tool, since the quick release mechanism is The well-known techniques are not focused, so they are not described here. Referring to FIG. 3, a sleeve end of the sleeve tool 20 is a joint end 21, and the joint end 21 is provided with a four-corner hole 211 for socketing the socket post 134 of the drive head 13, and the sleeve tool 20 The second end is a working end 22, and the working end 22 is provided with a hexagonal hole 221 to fit the lock When the socket 134 of the driving head 13 is sleeved with the engaging end 21 of the sleeve tool 20, the end surface of the engaging end 21 abuts against the second pivot portion 133 on the end surface of the second end of the driving head 13, and The sleeve tool 20 is protruded from the second surface 102 of the body 10 by its own length, that is, if the sleeve tool 20 has a length of 28 mm, the sleeve tool 20 protrudes from the body with a convex elongation of 28 mm. The second surface 102 of 10; however, in practical use, particularly for some small working spaces, such as the engine compartment of an automobile, such a convex elongation often causes the ratchet wrench and the sleeve tool 20 to not reach into the working position, especially It is common to have a difference of 1mm~3mm, which affects the convenience of its use.
有鑑於此，本發明人遂以其多年從事相關行業的研發與製作經驗，針對目前所面臨之問題深入研究，經過長期努力之研究與試作，終究研創出一種可縮短套筒工具的凸伸長度，而使棘輪扳手及套筒工具更能使用於狹小的作業空間，進而提升使用便利性之驅動頭套接結構，此即為本發明之設計宗旨。 In view of this, the inventor has been engaged in research and development and production experience of related industries for many years, and has conducted in-depth research on the problems currently faced. After long-term efforts and trials, the inventors have finally developed a kind of convex elongation that can shorten the sleeve tool. Therefore, the ratchet wrench and the sleeve tool can be used for a narrow working space, thereby improving the ease of use of the driving head socket structure, which is the design tenet of the present invention.
本發明之目的一，係提供一種棘輪扳手之驅動頭套接結構，該驅動頭之外環面係環設有與卡掣齒嚙合傳動之棘齒部，並於第一端端面凸設有樞軸部，於第二端端面則凸設有呈多角狀之套接柱，以供套接套筒工具之接合端；其中，該驅動頭係於第二端鄰接套接柱周面位置之端面上向內凹設有環槽，使該套接柱於環槽內延伸有連接柱，該連接柱係至少不大於該套接柱的周面尺寸，且該環槽外緣的內徑至少大於該套筒工具之接合端的外徑；藉此，當驅動頭之套接柱套接套筒工具時，即可使套筒工具之接合端的部分長度隱入於驅動頭之環槽內，以縮短套筒工具的凸伸長度，而便於伸入至作業位置，達到提升使用便利性之效益。 A first object of the present invention is to provide a driving head socket structure of a ratchet wrench, wherein the outer ring of the driving head is provided with a ratchet portion that meshes with the latching teeth, and a pivot is protruded from the end surface of the first end. a socket portion having a polygonal shape is formed on the end surface of the second end for engaging the joint end of the sleeve tool; wherein the driving head is attached to the end surface of the second end adjacent to the circumferential surface of the sleeve a ring groove is formed in the inner groove, and the connecting post extends in the ring groove with a connecting column, the connecting column is at least not larger than a circumferential surface of the socket, and an inner diameter of the outer edge of the ring is at least larger than the The outer diameter of the joint end of the sleeve tool; thereby, when the sleeve of the drive head is sleeved with the sleeve tool, a part of the length of the joint end of the sleeve tool can be hidden in the ring groove of the drive head to shorten the sleeve The convexity of the barrel tool facilitates the insertion into the working position, thereby improving the convenience of use.
本發明之目的二，係提供一種棘輪扳手之驅動頭套接 結構，由於套筒工具之接合端的部分長度係可隱入於驅動頭之環槽內，以縮短套筒工具的凸伸長度，使得棘輪扳手及套筒工具更方便使用於狹小的作業空間，達到提升使用便利性之效益。 The second object of the present invention is to provide a driving head socket of a ratchet wrench The structure, because part of the length of the joint end of the sleeve tool can be hidden in the ring groove of the driving head, so as to shorten the convex elongation of the sleeve tool, so that the ratchet wrench and the sleeve tool can be more conveniently used in a small working space. Improve the benefits of ease of use.
10‧‧‧本體 10‧‧‧ Ontology
101‧‧‧第一表面 101‧‧‧ first surface
102‧‧‧第二表面 102‧‧‧ second surface
11‧‧‧換向開關 11‧‧‧Reversing switch
12‧‧‧卡掣齒 12‧‧‧ card tooth
13‧‧‧驅動頭 13‧‧‧Drive head
131‧‧‧棘齒部 131‧‧‧ ratchet
132‧‧‧第一樞軸部 132‧‧‧First pivot
133‧‧‧第二樞軸部 133‧‧‧Second pivot
134‧‧‧套接柱 134‧‧‧ sockets
135‧‧‧珠體 135‧‧‧ beads
14‧‧‧C型扣 14‧‧‧C buckle
15‧‧‧外蓋 15‧‧‧ Cover
20‧‧‧套筒工具 20‧‧‧Sleeve tool
21‧‧‧接合端 21‧‧‧ joint end
211‧‧‧四角孔 211‧‧‧ four-corner hole
22‧‧‧作業端 22‧‧‧Working end
221‧‧‧六角孔 221‧‧‧ hexagonal hole
30‧‧‧本體 30‧‧‧Ontology
301‧‧‧容置空間 301‧‧‧ accommodating space
302‧‧‧第一表面 302‧‧‧ first surface
303‧‧‧第二表面 303‧‧‧ second surface
31‧‧‧換向開關 31‧‧‧Reversing switch
32‧‧‧卡掣齒 32‧‧‧ card tooth
33‧‧‧驅動頭 33‧‧‧Drive head
331‧‧‧棘齒部 331‧‧‧ ratchet
332‧‧‧第一樞軸部 332‧‧‧First pivot
333‧‧‧第二樞軸部 333‧‧‧Second pivot
334‧‧‧套接柱 334‧‧‧ Sockets
335‧‧‧珠體 335‧‧‧ beads
336‧‧‧環槽 336‧‧‧ Ring groove
337‧‧‧連接柱 337‧‧‧Connecting column
338‧‧‧連接柱 338‧‧‧Connecting column
34‧‧‧C型扣 34‧‧‧C buckle
35‧‧‧外蓋 35‧‧‧ Cover
40‧‧‧套筒工具 40‧‧‧Sleeve tool
41‧‧‧接合端 41‧‧‧ joint end
411‧‧‧四角孔 411‧‧‧ four corner holes
42‧‧‧作業端 42‧‧‧Working end
421‧‧‧六角孔 421‧‧‧ hexagonal hole
50‧‧‧套筒工具 50‧‧‧Sleeve tool
51‧‧‧接合端 51‧‧‧ joint end
511‧‧‧四角孔 511‧‧‧ four corner holes
第1圖：習知棘輪扳手之剖面示意圖。 Figure 1: Schematic diagram of a conventional ratchet wrench.
第2圖：習知棘輪扳手另一方向之剖面示意圖。 Figure 2: Schematic diagram of the conventional ratchet wrench in another direction.
第3圖：習知棘輪扳手套接套筒工具之示意圖。 Figure 3: Schematic diagram of a conventional ratchet wrench socket sleeve tool.
第4圖：本發明第一實施例之零件分解圖。 Figure 4 is an exploded view of the first embodiment of the present invention.
第5圖：本發明第一實施例之外觀示意圖。 Fig. 5 is a schematic view showing the appearance of a first embodiment of the present invention.
第6圖：本發明第一實施例之剖面示意圖。 Figure 6 is a schematic cross-sectional view showing a first embodiment of the present invention.
第7圖：本發明第一實施例另一方向之剖面示意圖。 Figure 7 is a cross-sectional view showing another direction of the first embodiment of the present invention.
第8圖：本發明第一實施例套接套筒工具之示意圖。 Figure 8 is a schematic view of a socket sleeve tool in accordance with a first embodiment of the present invention.
第9圖：本發明第二實施例之驅動頭的外觀示意圖。 Fig. 9 is a perspective view showing the appearance of a driving head according to a second embodiment of the present invention.
第10圖：本發明第二實施例套接套筒工具之示意圖。 Figure 10 is a schematic view of a socket sleeve tool of a second embodiment of the present invention.
第11圖：本發明第三實施例之驅動頭的外觀示意圖。 Figure 11 is a perspective view showing the appearance of a driving head according to a third embodiment of the present invention.
第12圖：本發明第三實施例套接套筒工具之示意圖。 Figure 12 is a schematic view of a socket sleeve tool of a third embodiment of the present invention.
為使 貴審查委員對本發明作更進一步之瞭解，茲舉一較佳實施例並配合圖式，詳述如后： In order to make the reviewer further understand the present invention, a preferred embodiment will be described in conjunction with the drawings, as follows:
請參閱第4、5、6、7圖所示，本發明之棘輪扳手係於本體30之一端的容置空間301內裝設有換向開關31、卡掣齒32及驅動頭33，該驅動頭33之外環面係環設有與該卡掣齒32嚙合傳動之棘齒部331，而可於扳轉該本體30時，藉由換向開關31及卡掣齒32的傳動，使該驅動頭33作動；該驅動頭33係於第一端端面凸設有第一樞軸部332，而以該第一樞軸部332樞 設於本體30之第一表面302，該驅動頭33另於第二端端面上凸設有第二樞軸部333及呈四角狀之套接柱334，本體30之第二表面303則以一C型扣34扣合一外蓋35，並使該第二樞軸部333樞設於該外蓋35上，進而利用外蓋35可將卡掣齒32及驅動頭33限位於本體30一端之容置空間301內，該套接柱334上可設有由快脫機構帶動之珠體335，以供快速定位或分離套筒工具，由於該快脫機構已為習知的技術，且非本申請案之重點所在，因此不予贅述；其中，該驅動頭33係於第二端鄰接套接柱334周面位置之端面上向內凹設有方孔狀之環槽336，使該套接柱334於環槽336內延伸有為方形柱體之連接柱337，該連接柱337係至少不大於套接柱334的周面尺寸，且該環槽336外緣的內徑(A)至少大於套筒工具之接合端的外徑。 As shown in the figures 4, 5, 6, and 7, the ratchet wrench of the present invention is provided with a reversing switch 31, a latching tooth 32 and a driving head 33 in the receiving space 301 at one end of the body 30. The outer ring of the head 33 is provided with a ratchet portion 331 which is meshed with the latching teeth 32, and can be driven by the reversing switch 31 and the latching teeth 32 when the body 30 is rotated. The driving head 33 is actuated; the driving head 33 has a first pivot portion 332 protruding from the first end surface, and the first pivot portion 332 is pivoted The first surface 302 of the body 30 is disposed on the second end surface of the driving head 33. The second pivot portion 333 and the four-sided socket post 334 are protruded from the second end surface 303 of the body 30. The C-shaped buckle 34 is fastened to the outer cover 35, and the second pivot portion 333 is pivotally disposed on the outer cover 35. The outer cover 35 can be used to limit the latching teeth 32 and the driving head 33 to one end of the body 30. In the accommodating space 301, the socket 334 can be provided with a bead 335 driven by a quick release mechanism for quickly positioning or separating the sleeve tool, since the quick release mechanism is a conventional technique and is not The focus of the application is not described here. The driving head 33 is formed with a square hole-shaped annular groove 336 recessed inwardly on the end surface of the second end adjacent to the circumferential position of the socket post 334. The column 334 extends in the annular groove 336 with a connecting post 337 which is a square cylinder. The connecting post 337 is at least not larger than the circumferential dimension of the socket post 334, and the inner diameter (A) of the outer edge of the ring groove 336 is at least greater than The outer diameter of the joint end of the sleeve tool.
請參閱第8圖所示，本發明配合使用之套筒工具40，其第一端係為接合端41，該接合端41並開設有四角孔411，以套接驅動頭33之套接柱334，套筒工具40之第二端則為作業端42，該作業端42並開設有六角孔421，以套合於鎖合件；當驅動頭33之套接柱334套接套筒工具40之接合端41時，由於環槽336內之連接柱337係至少不大於該套接柱334的周面尺寸，以及環槽336外緣的內徑(A)至少大於套筒工具40之接合端41的外徑，因此套筒工具40之接合端41的部分長度係可隱入於該驅動頭33之環槽336內，以縮短套筒工具40凸伸於本體30之第二表面303的長度；亦即若驅動頭33之環槽336的深度為3mm，而套筒工具40本身的長度為28mm時，該套筒工具40之接合端41係可隱入於該驅動頭33之環槽336內3mm，因此套筒工具40凸伸於本體30之第二表面303的長度將縮短為25mm，如此即可便於伸入至作業位置，尤其更方便使用於狹 小的作業空間，達到提升使用便利性之效益。 As shown in FIG. 8 , the first end of the sleeve tool 40 used in the present invention is an engaging end 41 , and the engaging end 41 is provided with a four-corner hole 411 for socketing the socket post 334 of the driving head 33 . The second end of the sleeve tool 40 is a working end 42. The working end 42 is provided with a hexagonal hole 421 to fit over the locking member; when the sleeve 334 of the driving head 33 is sleeved with the sleeve tool 40 When the end 41 is engaged, the connecting post 337 in the annular groove 336 is at least not larger than the circumferential dimension of the socket post 334, and the inner diameter (A) of the outer edge of the annular groove 336 is at least greater than the engaging end 41 of the sleeve tool 40. The outer diameter of the sleeve tool 40 can be hidden in the annular groove 336 of the drive head 33 to shorten the length of the sleeve tool 40 protruding from the second surface 303 of the body 30; That is, if the depth of the ring groove 336 of the driving head 33 is 3 mm, and the length of the sleeve tool 40 itself is 28 mm, the engaging end 41 of the sleeve tool 40 can be hidden in the ring groove 336 of the driving head 33. 3mm, so the length of the sleeve tool 40 protruding from the second surface 303 of the body 30 will be shortened to 25mm, so that it can be easily extended into the working position, especially Easy to use in narrow Small work space to achieve the benefits of ease of use.
請參閱第9、10圖所示，本發明第二實施例之驅動頭33若配合使用之套筒工具50，其接合端51之四角孔511的套接深度係配合習知棘輪扳手之套接柱的長度，例如習知棘輪扳手之套接柱的長度為16mm，套筒工具50其接合端51之四角孔511的套接深度也相同為16mm，然而當本發明驅動頭33之環槽336的深度為3mm(即連接柱337的長度)時，倘若使該套筒工具50之接合端51可隱入於該驅動頭33之環槽336內3mm，將導致套筒工具50其接合端51之四角孔511所需的套接深度改變為19mm(即套接柱的長度16mm+連接柱的長度3mm)，在套筒工具50其接合端51之四角孔511的套接深度僅有16mm的情形下，棘輪扳手之套接柱將會抵到四角孔511之端壁，而無法使該套筒工具50之接合端51隱入於該驅動頭33之環槽336內，為了配合使用該套接深度僅有16mm之套筒工具50，本發明驅動頭33之套接柱334的長度將可修正縮短為13mm，而由該環槽336的深度3mm(即連接柱337的長度)補償作為套接柱334的長度，相同的可使該套筒工具50之接合端51隱入於該驅動頭33之環槽336內3mm，如此即可便於伸入至作業位置，尤其更方便使用於狹小的作業空間，達到提升使用便利性之效益。 Referring to Figures 9 and 10, in the case of the sleeve tool 50 used in the driving head 33 of the second embodiment of the present invention, the socket depth of the four-corner hole 511 of the engaging end 51 is matched with the socket of the conventional ratchet wrench. The length of the column, for example, the length of the socket of the conventional ratchet wrench is 16 mm, and the socket depth of the square hole 511 of the joint end 51 of the sleeve tool 50 is also the same as 16 mm. However, when the ring 33 of the driving head 33 of the present invention is used When the depth is 3 mm (i.e., the length of the connecting post 337), if the engaging end 51 of the sleeve tool 50 can be hidden in the ring groove 336 of the driving head 33 by 3 mm, the sleeve tool 50 will be brought into its engaging end 51. The required socket depth of the four-corner hole 511 is changed to 19 mm (ie, the length of the socket post is 16 mm + the length of the connecting post is 3 mm), and the socket depth of the square hole 511 of the joint end 51 of the sleeve tool 50 is only 16 mm. The socket of the ratchet wrench will reach the end wall of the four-corner hole 511, and the joint end 51 of the sleeve tool 50 cannot be hidden in the ring groove 336 of the driving head 33, in order to cooperate with the socket. The sleeve tool 50 having a depth of only 16 mm, the length of the socket post 334 of the drive head 33 of the present invention can be corrected and shortened. 13mm, and the depth of the ring groove 336 is 3mm (that is, the length of the connecting post 337) is compensated for the length of the socket post 334, and the same can be used to make the engaging end 51 of the sleeve tool 50 invisible to the ring of the driving head 33. The groove 336 has a length of 3 mm, so that it can be easily extended into the working position, and is particularly convenient for use in a small working space, thereby achieving the benefit of improving the convenience of use.
請參閱第11、12圖所示，本發明第三實施例其驅動頭33之環槽336若為了便於加工成型，係可以車削的方式，於第二端鄰接套接柱334之周面位置的端面上向內成型出環圈狀的環槽336，使該套接柱334於環槽336內延伸有為圓形柱體之連接柱338，該連接柱338係至少不大於套接柱334的周面尺寸，當然的，該環槽336外緣的內徑(A)也至少大於套筒工具之接合端的外徑。當驅動頭33之套接柱334套接套筒工具50之接 合端51時，由於環槽336內之連接柱338係至少不大於該套接柱334的周面尺寸，以及環槽336外緣的內徑(A)至少大於套筒工具50之接合端51的外徑，因此套筒工具50之接合端51的部分長度係可隱入於該驅動頭33之環槽336內，以縮短套筒工具50凸伸於本體30之第二表面303的長度，如此即可便於伸入至作業位置，尤其更方便使用於狹小的作業空間，達到提升使用便利性之效益。 Referring to Figures 11 and 12, in the third embodiment of the present invention, the ring groove 336 of the driving head 33 can be turned in a manner to be adjacent to the circumferential position of the socket post 334 at the second end. A loop-shaped ring groove 336 is formed inwardly on the end surface, and the socket post 334 extends in the ring groove 336 with a connecting post 338 which is a circular cylinder. The connecting post 338 is at least not larger than the socket post 334. The circumferential dimension, of course, the inner diameter (A) of the outer edge of the annular groove 336 is also at least greater than the outer diameter of the engagement end of the sleeve tool. When the socket post 334 of the driving head 33 is connected to the socket tool 50 When the end 51 is closed, the connecting post 338 in the ring groove 336 is at least not larger than the circumferential surface of the socket post 334, and the inner diameter (A) of the outer edge of the ring groove 336 is at least larger than the engaging end 51 of the sleeve tool 50. The outer diameter of the sleeve end 50 of the sleeve tool 50 can be hidden in the annular groove 336 of the drive head 33 to shorten the length of the sleeve tool 50 protruding from the second surface 303 of the body 30. In this way, it is easy to extend into the working position, and it is especially convenient to use in a small working space, thereby achieving the benefit of improving the convenience of use.
綜上所述，本發明實為一深具實用性及進步性之設計，然未見有相同之產品及刊物公開，從而允符發明專利申請要件，爰依法提出申請。 In summary, the present invention is a practical and progressive design. However, the same product and publication are not disclosed, so that the patent application requirements are met, and the application is filed according to law.
30‧‧‧本體 30‧‧‧Ontology
302‧‧‧第一表面 302‧‧‧ first surface
303‧‧‧第二表面 303‧‧‧ second surface
31‧‧‧換向開關 31‧‧‧Reversing switch
32‧‧‧卡掣齒 32‧‧‧ card tooth
33‧‧‧驅動頭 33‧‧‧Drive head
331‧‧‧棘齒部 331‧‧‧ ratchet
332‧‧‧第一樞軸部 332‧‧‧First pivot
333‧‧‧第二樞軸部 333‧‧‧Second pivot
334‧‧‧套接柱 334‧‧‧ Sockets
335‧‧‧珠體 335‧‧‧ beads
336‧‧‧環槽 336‧‧‧ Ring groove
337‧‧‧連接柱 337‧‧‧Connecting column
34‧‧‧C型扣 34‧‧‧C buckle
35‧‧‧外蓋 35‧‧‧ Cover
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104140793A TWI549783B (en) | 2015-12-04 | 2015-12-04 | Ratchet wrench drive head socket structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104140793A TWI549783B (en) | 2015-12-04 | 2015-12-04 | Ratchet wrench drive head socket structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI549783B true TWI549783B (en) | 2016-09-21 |
| TW201720586A TW201720586A (en) | 2017-06-16 |
Family
ID=57445074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW104140793A TWI549783B (en) | 2015-12-04 | 2015-12-04 | Ratchet wrench drive head socket structure |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI549783B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI640405B (en) * | 2017-08-18 | 2018-11-11 | 天藝工業有限公司 | Vibro dismounting device |
| TWI716297B (en) * | 2020-03-17 | 2021-01-11 | 英發企業股份有限公司 | Ratchet wrench with smaller drive head |
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| TWM421863U (en) * | 2011-10-19 | 2012-02-01 | Guo-Zhang Lai | Sliding joint structure for ratchet spanner |
| TWM423602U (en) * | 2011-08-22 | 2012-03-01 | li-qing Lin | Ratchet wrench structure |
| TWI376292B (en) * | 2010-12-24 | 2012-11-11 | ||
| TWM442907U (en) * | 2012-05-04 | 2012-12-11 | Matatakitoyo Tool Co Ltd | Insulation structure of ratchet wrench |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4924737A (en) * | 1989-03-20 | 1990-05-15 | Gummow Tool Company | Positive drive ratchet |
| US5174176A (en) * | 1991-12-09 | 1992-12-29 | Snap-On Tools Corporation | Reversible rachet wrench with integrated dual pawl and spring and cam unit |
| US5157994A (en) * | 1991-12-13 | 1992-10-27 | Snap-On Tools Corporation | Ratchet wrench with lost motion reversing mechanism |
| US5386747A (en) * | 1993-11-30 | 1995-02-07 | Snap-On Incorporated | Quick release ratchet with safety latch |
| US5522288A (en) * | 1994-12-09 | 1996-06-04 | Snap-On Incorporated | Reversible ratchet wrench |
| US6516688B2 (en) * | 1995-06-07 | 2003-02-11 | David V. Albertson | Hand tool |
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| US7185566B2 (en) * | 2002-11-01 | 2007-03-06 | Easco Hand Tools, Inc. | Reversible ratcheting tool with improved pawl |
| TWM290085U (en) * | 2005-10-11 | 2006-05-01 | Yi-Ting Lin | Convex ratchet head structure |
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| TWM421863U (en) * | 2011-10-19 | 2012-02-01 | Guo-Zhang Lai | Sliding joint structure for ratchet spanner |
| TWM442907U (en) * | 2012-05-04 | 2012-12-11 | Matatakitoyo Tool Co Ltd | Insulation structure of ratchet wrench |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI640405B (en) * | 2017-08-18 | 2018-11-11 | 天藝工業有限公司 | Vibro dismounting device |
| TWI716297B (en) * | 2020-03-17 | 2021-01-11 | 英發企業股份有限公司 | Ratchet wrench with smaller drive head |
| US11376717B2 (en) | 2020-03-17 | 2022-07-05 | Infar Industrial Co., Ltd. | Ratchet wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201720586A (en) | 2017-06-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |