TW200819245A - Improved structure for ratchet wrench - Google Patents

Improved structure for ratchet wrench Download PDF

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Publication number
TW200819245A
TW200819245A TW95138321A TW95138321A TW200819245A TW 200819245 A TW200819245 A TW 200819245A TW 95138321 A TW95138321 A TW 95138321A TW 95138321 A TW95138321 A TW 95138321A TW 200819245 A TW200819245 A TW 200819245A
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Taiwan
Prior art keywords
groove
wrench
plum
shape
item
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TW95138321A
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Chinese (zh)
Inventor
jin-shun Zheng
Original Assignee
jin-shun Zheng
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Priority to TW95138321A priority Critical patent/TW200819245A/en
Publication of TW200819245A publication Critical patent/TW200819245A/en

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Abstract

This invention relates to improved structure for ratchet wrench in which the inner side of the acting end has a fitting edge and an accommodation groove formed respectively and arranged in a circular manner. The locking edge of the inner side is consisted of a protruded arc with a predetermined curvature, and the accommodation groove is disposed between two locking edges. A concave trench is formed on the protruded arc of the locking edge, wherein the width and size of the concave trench is capable of accommodating the protrusion of the annular screw of the gear. In addition, the concave trench may split the original single arc of the locking edge into two; with some prop surfaces on appropriate places of the inner side, such that the ratchet wrench may be fitted and propped with screw members of various sizes, largely increasing its utility and convenience.

Description

200819245 九'發明說明·· 【發明所屬之技術領域】 本發明係與梅花扳手結構有關,更詳而+之,卢 種於旋動時可套合及頂抵多種形狀之螺合件^使之^更 具擴充性及便利性。使义知作更 【先前技術】 按吾人先前所知,習用之梅花扳手結構如第一 :不,梅花扳手(7Q)具十二角狀之多角槽( 於二不相鄰之多角槽(71)上設有凸塊(72) )) : ^不貫穿狀’如此當梅花扳手(7 0 ) 曰 1 )套a螺合件旋動時,凸塊(7 2)即可 頂抵於螺合件之頂面,螺合件即可不脫出梅 ==構之梅花扳手(4〇)亦即為= 失: 58 ’但此梅花扳+ (70)卻具下述之缺 形、二^合件具有多種之形狀’如齒輪形、星形、四角 η 角 ·等,而梅花扳手(7 〇 )之多角槽(7 右為十二肖科,梅花扳手(了 Q )僅可套合六 士、口件或十二角螺合件’而若多角槽(7 1 )係為丄角矿 :二=合六角形螺合件,因此梅花扳手(7〇 = 構擴充性即不大’此即為習用梅花板手(7 〇 )結 相關結構之缺點,乃藉多年從事 ^ 、、冬於有一實用性且能改善習用弊端之產 200819245 品問世。 【發明内容】 緣是,本發明係提供一種梅花扳手結構改良,i 在於:梅花扳手於作用端内徑面依序形 容置样 呈順序環,梅花扳手内徑面之卡制緣係為 容:ί之面所構成,於卡制緣與另-卡制緣間係為 :置I於卡制緣突出之弧面凹設—凹槽,凹槽之寬 輪形螺合件之凸塊,凹槽使其卡制緣ΐ原 … 1抵面’猎此’梅花扳手即可套人Η Μ 之a:狀之螺合件,使之旋動時具套合之擴紐及操作 功效=睁: = 於此項技藝人士對输^ 詳細說明2 合圖式及圖號就本發明之結構、組成 【實施方式】 首先請參閱第一圖、楚- ^ 關於一種梅花扳手έ —圖及弟三圖所示,本發明係 梅花^ 1〇)=良’,其t要特徵在於: 1 )及容置槽(1 ?用鳊内徑面依序形成卡制緣(1 與容置槽(1 2)可丄呈順序環狀排列’卡制緣(1 1 ) 内徑面之卡觀(1;、丨轉狀㈣狀’梅花扳手(10) 所構成,於卡制緣 係為一適當大小弧度之突出弧面 丄1)與另一卡制緣(工工) 200819245 合置槽(1 2 ) ’容置槽(1 2 )之曲面與卡制緣(1 1 ) 之曲面可呈相切狀,於卡制緣(11)突出之弧面接近中 . 心點處凹設一凹槽f Q、 从/ I 1 3,)’凹槽(1 3 )之數目等同於 •卡制緣(1 1 )之數目,凹槽(工3 )之寬度及大小以供 容納齒輪形螺合件(4 〇 )之凸塊(4 1 )及E形螺合件 • 3 〇 )之凸緣(3 1 ),凹槽(1 3 )係由二側邊及一 f邊所構成:凹槽(1 3)之二侧邊係呈平行狀,凹槽(丄 I)之底邊係呈直線狀,凹槽(13)使其卡制緣(1U 原先之孤面曲隔為二個孤面,於内徑面適當位置處呈 六個凸出適當厚度之頂抵面(14),頂抵面(14)可、 =槽⑴)上緣,使凹槽(13,)成非貫穿狀,頂 而你1 曲面可與卡制緣(11)之曲面成同-曲 面狀’猎此’梅花板手〔in、pi太人 ^ ^ ^ 〔 1 〇 )即可套合且可頂抵多種形 之便利4。’使之於旋動時具套合螺合件之擴充性及操作 m ί四圖、第五圖及第六圖所示’當梅花扳手( 置螺合件(20)時,梅花扳手(1〇 =、、、彖(1 1 )即頂掣於螺合件(2 ◦)之六個邊面肩 ΡΙ^用梅花扳手(7 0)套合螺合件(2 〇 )之結 2參閱第七圖至第九圖所示,當梅花 合件(20)時,梅花扳手(10” :;t _合件(20)之六個邊面處, 口 ( 2 0)之上緣即頂抵於頂抵面(丄4)底部, 200819245 時,螺合件(2Ό)受頂抵面(1 -稅編扳手(1。)之卡制緣⑴) ★ 請繼續參閱第十圖及第十-圖所示,& '二=合件(3。)時,二= : 曰1 3 )内,且凸緣(3 1 )上緣即項抵於 4)底部,當旋動梅花扳手(1〇)時,e形螺合件㈡ >範=頂抵面(14)之限制即難以脫射魏(U) 容置料二圖及第十三圖所示,當梅花扳手(1 0) 4)底部,當旋 〇)受頂抿面^d、 )齒輪形螺合件(4 範圍夕^抵面(14)之限制即難以脫出卡制緣(11) 請^第十四圖及第十五圖所示,當梅花扳 角形螺合件(6〇)時,邊角處即容納於凹槽(1 旋動梅二處上緣即頂抵於頂抵面(14)底部,當 疋重母:扳手(10)時’三角形螺合件( : 二實續第:七圖所示’係為本發明第 部份之凹挿(、H ) W之數目可為三個’且間隔位於 之叫(13)内,亦即梅花扳手(1〇)之三個凹 200819245 )係呈不 以上?)係呈貫穿狀’而其餘三個凹槽(1 "]明=弟十八圖及第十九圖所示’係為本發明第 :例,頂抵面(14)可為-個,且位於-凹槽 —請相第二十目及第二十1騎,係為本發 =,魏面(14)可為十二個,亦 弟 與凹槽(13)上均具頂抵面(14)内。 U2) 請繼續參閱第二十二圖及第二十三 明第五實施例,頂抵面(14)可為六個,有三個= (1 4)位於凹槽(1 3)上端,另三個頂抵面(! 4) ::凹槽(13)下端’且頂抵面(14)係呈上下順序 請參閱第二十四圖及第二十五圖所示,係為本發 六實施例,頂抵面(1 4)係呈單一平面狀。 —凊茶閱第二十六圖及第二十七圖所#,係為本發明第 七實施例,頂抵面(1 4)係呈凹人曲面狀,頂抵面(工 4)之曲面與梅花扳手(1 〇)之卡制緣(i)之曲面 成相切狀’且頂抵面(1 4)之形狀鱼容置样(1 Ύ 形狀相同。 ” 9 ;之 請參閱第二十八圖及第二十九圖所示,係為本發明第 八實施例,頂抵面(1 4>係呈凹入曲面狀,頂抵面(工 4 )之曲面與卡制緣(1 1)之曲面成相切狀,頂抵面(1 4)之形狀係呈抛物線狀,且撤物線頂端與凹槽(1 3) 200819245 相切。 請參閱第三十圖及第三十一 實施例,頂抵面(1 4)係與凹 往内偏移。 圖所示,係為本發明第九 槽 成相同形狀且 晴繼續參閲第 t二圖及第三十 。口斤丨〜 1 —圃所不,係為本發200819245 九的发明说明·· Technical Field of the Invention The present invention relates to the structure of a plum wrench, and more specifically, it can be nested and screwed into a plurality of shaped screw members when rotated. ^ More expandability and convenience. Make the knowledge more [previous technology] As we have previously known, the conventional plum wrench structure is as follows: No, the wrench (7Q) has a twelve-corner multi-angle groove (the two non-adjacent polygonal grooves (71) )) There is a bump (72) )) : ^ does not penetrate through the shape of 'When the wrench (7 0 ) 曰 1 ) sets a screw to rotate, the bump ( 7 2 ) can be screwed against the screw The top surface of the piece, the screwing piece can not be pulled out of the plum == structure of the plum wrench (4〇) is also = lost: 58 'but this plum blossom plate + (70) has the following shape, two The pieces have various shapes such as gear shape, star shape, square angle η angle, etc., and the multi-angle groove of the plum wrench (7 〇) (7 right is twelve Xiaoke, plum wrench (Q) can only fit six people , or the mouth piece or the twelve-corner screwing piece', and if the polygonal groove (7 1 ) is a horn angle mine: two = hexagonal screw fittings, the plum wrench (7 〇 = structural expansion is not large) For the shortcomings of the related structure of the plum blossom wrench (7 〇) knot, it is the product of 200819245 which has been used for many years and winter, and has practicality and can improve the abuse of the application. [Invention] The utility model provides an improvement of the structure of the plum wrench, i is: the wrench of the plum blossom is sequentially arranged in the inner diameter surface of the working end to form a sequence ring, and the card edge of the inner diameter surface of the wrench has a capacity: the surface of the wrench is formed. The edge between the edge and the other-card edge is: the concave groove of the curved surface which is protruded from the edge of the card, the groove of the wide wheel-shaped screwing piece of the groove, and the groove makes the card edge... Meet the 'hunting this' plum wrench can be set Η Μ a: the shape of the screw fitting, so that when the rotation is spliced, the expansion and operation efficiency = 睁: = in this artist's DESCRIPTION OF THE DRAWINGS FIG. 2 is a diagram showing the structure and composition of the present invention. [Embodiment] First, please refer to the first figure, Chu-^ About a plum wrench έ-图 and 弟三图, the present invention is a plum blossom ^ 1〇 ) = good ', its t to be characterized by: 1) and accommodating grooves (1 ? with the inner diameter of the 面 to form a clamping edge (1 and accommodating grooves (1 2) can be arranged in a circular order in the order of the card The edge of the inner diameter surface (1 1 ), which is composed of a twisted (four-shaped) plum wrench (10), is a protruding arc of an appropriate size in the card edge 丄 1) One card edge (worker) 200819245 Alignment groove (1 2 ) The surface of the accommodating groove (1 2 ) and the curved edge of the card edge (1 1 ) can be tangent to each other and protrude at the card edge (11) The arc surface is close to the middle. The groove is recessed with a groove f Q , from / I 1 3, and the number of grooves (1 3 ) is equal to the number of the card edge (1 1 ), the groove 3) width and size to accommodate the flange (3 1 ) of the gear-shaped screw (4 )) and the flange (3 1 ) of the E-shaped screw (3 ,), the groove (1 3) It consists of two sides and one f side: the two sides of the groove (13) are parallel, the bottom edge of the groove (丄I) is linear, and the groove (13) makes the edge of the card (1U original orphaned surface is divided into two orphan planes, and at the appropriate position on the inner diameter surface, there are six top abutting surfaces (14) protruding at appropriate thickness, and the top abutting surface (14) can be = the upper edge of the groove (1) , so that the groove (13,) is non-penetrating, the top and the surface of your 1 can be the same as the curved surface of the card edge (11) - curved shape 'hunting this' plum wrench [in, pi Tairen ^ ^ ^ 〔 1 〇) It can fit and fit the convenience of a variety of shapes4. 'Make the expansion and operation of the screw-in fittings when rotating, m4, 5 and 6' when the plum wrench (the screw (20), the wrench (1) 〇=,,,彖(1 1 ) is the top of the six sides of the screwing piece (2 ◦) ^ with the end of the plum wrench (7 0) fitting screw (2 〇) 2 see the From Fig. 7 to Fig. 9, when the plum blossoms are combined (20), the six edges of the plum wrench (10":;t _ fitting (20), the upper edge of the mouth (20) At the bottom of the abutting surface (丄4), at the end of 200819245, the screwing piece (2Ό) is subjected to the top abutting surface (1 - the card edge of the tax-wrench (1.)). ★ Please continue to refer to the tenth and tenth- As shown in the figure, & 'two = fitting (3.), two = : 曰 1 3 ), and the upper edge of the flange (3 1 ) is the bottom of the 4), when the wrench is turned (1) 〇), the e-shaped screw (2) > Fan = the top abutment surface (14) is difficult to shoot off the Wei (U) accommodating material 2 and the 13th figure, when the plum wrench (1 0) 4) Bottom, when the screw is rotated by the top surface ^d, ) gear-shaped screw (4 range 夕 ^ 面 surface (14) is difficult to pull out the card Edge (11) Please ^ Figure 14 and Figure 15 show that when the Phillips angled screw fitting (6 〇), the corners are accommodated in the groove (1 rotates the top edge of the plum two top At the bottom of the top abutting surface (14), when the 疋 heavy mother: wrench (10), the 'triangle screw fittings (: 2 Continuation: 7) is the concave part of the first part of the invention (, H The number of W can be three 'and the interval is located in (13), that is, the three concaves of the plum wrench (1〇) is not more than the above?)) is in the shape of 'through' and the remaining three grooves (1 "] Ming = brother 18 map and the 19th figure shown as 'the invention: the first example, the top abutment surface (14) can be -, and located in the - groove - please the twentieth And the twentieth 1 riding, the hair is the hair ==, the Wei face (14) can be twelve, and the younger brother and the groove (13) have the top abutment (14). U2) Please continue to refer to the second In the fifth embodiment and the twenty-third embodiment, the top abutting surface (14) can be six, three (= 1) are located at the upper end of the groove (13), and the other three abutting surfaces (! 4 :: The lower end of the groove (13) and the top abutment (14) are in the upper and lower order. Please refer to the 24th and 2nd. As shown in the fifteenth figure, it is the sixth embodiment of the present invention, and the top abutting surface (14) is in a single plane shape. - The tea is read in the twenty-sixth and twenty-seventh drawings. In the seventh embodiment, the abutting surface (14) is a concave curved surface, and the curved surface of the abutting surface (work 4) is tangent to the curved surface of the card edge (i) of the plum wrench (1 〇) and the top The shape of the face (1 4) is the same as that of the fish (1 Ύ shape is the same.) 9; please refer to the twenty-eighth and twenty-ninth figures, which is the eighth embodiment of the present invention. (1 4> is concavely curved, and the curved surface of the abutting surface (Work 4) is tangent to the curved surface of the clamping edge (1 1), and the shape of the abutting surface (14) is parabolic, and The top of the withdrawal line is tangent to the groove (1 3) 200819245. Referring to the thirty-fifth and thirty-first embodiments, the abutting surface (14) is offset from the concave. As shown in the figure, the ninth groove of the present invention is in the same shape and the continuation is continued with reference to Fig. 2 and Fig. 30.丨 丨~ 1 — 圃 圃 ,, is the hair

明弟十貫施例,頂抵面(14)係呈六角形狀,使之 緣(1 1 )、容置槽(1 2)與凹槽(工3 )上均呈頂抵 面(1 4),此六角形狀之頂抵面(工4)亦可旋動另二 尺寸之螺合件,若梅花扳手(i Q )之卡騎(i i )可 旋動19 mm之螺合件時,頂抵面(14 )即可旋動 mm螺合件。 請參閱第三十四圖及第三十五圖所示,係為本發明第 十-實施例’頂抵面(丄4)係呈十二角形狀,使之卡制 緣(1 1 )、容置槽(i 2 )與凹槽(i 3 )上均具頂抵 面(1 4 ),此十二角形狀之頂抵面(i 4)亦 一螺合件。 斤請繼續參閱第三十六圖及第三十七圖所示,係為本發 =第十二實施例,頂抵面(1 4)係呈十二角形狀,使^ 容置槽(1 2)與凹槽(1 3)上可均具頂抵面(丄4), 此十二角形狀之頂抵面(14)亦可旋動相同尺寸之螺合 請繼續參閱第三十八圖及第三十九圖所示,係為本發 明f十三實施例’頂抵面(1 4)係呈十二圓角形狀,^ 之容置槽(1 2)與凹槽(1 3)上可均具頂抵面(丄4), 200819245 此十二圓角形狀之頂抵面(丄4 合件。 方了紅動相同尺寸之螺 請參閱第,四十圖及第四十一 mQ所不’係為本發明第十 四“例,頂抵面(i 4 )係與卡 料月弟十 (1 2 )及凹样("…a门财(1 1 )、容置槽 緣(11)=)成相同形狀且往内偏移,當卡制 緣(1 1)紅動一尺寸之螺合件(2 4 )同拂t -Γ # 4 U )日守’頂抵面(1 4)同理亦可旋動小一號 雙重尺寸之功效。 ^件(20),具旋動 請繼續參閱第四十二圖及第四十二 明第+五奋.Λ 卞—圖所不,係為本發 頂抵面(14)係與卡制緣(11)、 =槽U2)成相同形狀且往内偏移,#卡制緣) 疋動一尺寸之螺合件(2〇)時,頂抵面(1 4)同理亦 2動小一號尺寸之螺合件(2 〇 ),具旋動雙重尺寸之 ,參閱第四十四圖及第四十五圖所示,係為本發明第 十六貫施例,頂抵面(;[4 )係呈十-离 槽(12)與凹槽(13)上可均具頂抵面(14),且置 =抵面(1 4)上旋動螺合件時,螺合件 (1 1)頂抵。 又下市J緣 請參閱第四十六圖及第四十七圖所示,係為本 十七實施例,頂抵面(i 4)係呈十二角形狀,而於頂抵 面(1 4)上旋動螺合件時,螺合件亦可受卡制緣(丄、- 頂抵。 請參閱第四十八圖及第四十九圖所示,係為本發明第 11 200819245 十八實施例,頂抵面(丄4)可位於容置槽 亦即容置槽(1 2)係呈不貫穿狀,頂抵面(i 4):曲 '面可與卡制緣(11)之曲面成相切狀。 • 閱第五十圖及第五十-圖所示,係為本發明第十 _匕=貝抵'(14)可位於容置槽(12)處,亦 - 令s (1 2)係呈不貫穿狀,且可與凹槽(1 3 )忐 相同形狀。 J· d」成 -二參:第:十二圖及第五十三圖所示,係為本發明第 ;二=’:抵面(14)可位於卡制緣(11)、容 直僧(1 2)與凹槽(1 3)處。 示,==閱ί五十四圖、第五十五圖及第五十六所 為w…叙明弟二十-實施例,凹槽(1 3)之形狀可 )厂凹圓狀所構成’而於凹槽(13)上具頂抵面= 二十:五十七圖及第五十八圖所示,係為本發明第 了貝抵二凹槽(1 3 )之形狀可為單-凹圓所構成, 、- 4 )係與卡制緣(1 1 )、容置样(1 9、《 凹槽(13)成相同偏移狀。4置槽(12)及 十二nr五十九圖及第六十圖所示,係為本發明第二 頂抵:(1二=:之形狀可為單-凹圓所構成, 二側邊成平行狀之凹槽3()1二' 容置槽(1 2 )及 (14)功效。 彳構成’如此亦具頂抵面 本發明另—實施例,梅花扳手(10)内徑面之卡制 12 200819245 緣(1 1)為-突出弧面,此弧面可係為二弧線或多弧線 所構成。 ‘ 本發明另一實施例,梅花扳手(1 〇)之凹槽(i 3 ) . 之二侧邊夾角可大於或小於九十度,凹槽(丄3胃 可呈弧線狀。 」之底达In the tenth example of Mingdi, the top abutting surface (14) has a hexagonal shape, so that the edge (1 1 ), the receiving groove (1 2) and the groove (3) are all abutting (1 4). The top surface of the hexagonal shape (work 4) can also be rotated to screw the other two sizes. If the card wrench (i) of the plum wrench (i Q) can rotate the screw of 19 mm, the top is abutted. The face (14) can be used to rotate the mm screw. Referring to the thirty-fourth and thirty-fifth drawings, the tenth-example "the abutting surface (丄4) of the present invention has a twelve-corner shape, so that the card edge (1 1 ), The receiving groove (i 2 ) and the groove (i 3 ) each have an abutting surface (14), and the dorsing surface (i4) of the twelve-corner shape is also a screwing member. Please refer to the thirty-sixth and thirty-seventh figures, which is the twelfth embodiment. The top abutting surface (1 4) has a twelve-corner shape, so that the receiving groove (1) 2) The groove (1 3) can have an abutting surface (丄4), and the top surface of the twelve-corner shape (14) can also rotate the screw of the same size. Please refer to the thirty-eighth figure. And the thirty-ninth figure, which is the thirteenth embodiment of the present invention, the top abutting surface (14) has a twelve-rounded shape, and the receiving groove (1 2) and the groove (1 3) The top can be abutted (丄4), 200819245 The top of the twelve rounded shape is abutting (丄4. The square is red, the same size of the screw, see the forty, forty and forty-first mQ It is not the case of the fourteenth example of the invention, the top abutment surface (i 4 ) is related to the card material ten brothers (1 2 ) and the concave sample ("...a door wealth (1 1 ), accommodating groove edge (11) =) into the same shape and offset inward, when the clamping edge (1 1) is red, the size of the screw (2 4 ) is the same as the 拂t - Γ # 4 U ) 1 4) Similarly, it can also rotate the effect of the double size of the small one. ^ (20), with rotation, please continue to see the forty-second And the forty-second Ming +5 Fen. Λ 卞 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 ( ( ( ( ( ( ( ( ( ( ( ( ( ( #卡制缘) When a size screw (2〇) is moved, the top abutting surface (1 4) is also the same as the small one size screw (2 〇), with a rotating double size. Referring to the forty-fourth and forty-fifth drawings, which is the sixteenth embodiment of the present invention, the top abutting surface (; [4) is a ten-off groove (12) and a groove (13) The upper part can have a top abutting surface (14), and when the upper surface is rotated (1), the screwing piece (1 1) is abutted against the surface. And as shown in the seventy-seventh embodiment, in the seventeenth embodiment, the abutting surface (i 4) has a twelve-corner shape, and when the screwing member is rotated on the abutting surface (14), the screwing is performed. The piece can also be subjected to the clamping edge (丄, - 顶. Please refer to the forty-eighth and forty-ninth figures, which is the eleventh embodiment of the invention, 200819245, the top abutment surface (丄4) Located in the accommodating groove, that is, the accommodating groove (1 2) is not penetrating, and the abutting surface (i 4): the curved surface can be combined with the card edge (11) The surface is tangent. • See Figure 50 and Figure 50 - Figure for the tenth _匕=贝抵' (14) of the invention can be located at the receiving groove (12), also - s (1 2) is not penetrating and can be the same shape as the groove (13). J·d”成-二参:第:十二图和五十三图, is the invention The second; ': the face (14) can be located at the card edge (11), the straight line (1 2) and the groove (13). Show, == read 五十 fifty-four, fifty The five figures and the fifty-sixth are the w...the twenty-sixth embodiment, the shape of the groove (1 3) can be formed by the concave shape of the factory and the top surface of the groove (13) = two 10: Figure 57 and Figure 58 show that the shape of the second groove (1 3 ) of the present invention may be a single-concave circle, and - 4) and the card edge (1 1 ), the capacity is set (1, 9, the groove (13) is the same offset. 4 slots (12) and twelve nr 59 and 60 are the second top of the invention: (1 ==: the shape can be a single-concave circle, two sides Parallel grooves 3 () 1 2' accommodating grooves (1 2 ) and (14) function. 彳 ' 如此 如此 如此 如此 如此 如此 如此 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 本 梅 梅 梅 梅 梅Carding 12 200819245 The edge (1 1) is a protruding arc surface, which may be composed of two arcs or multiple arcs. In another embodiment of the invention, the groove of the plum wrench (1 〇) (i 3 ) The angle of the side of the second side can be greater than or less than ninety degrees, and the groove (丄3 stomach can be curved.)

本發明另—實_,梅花扳手(1Q)之卡制緣Q 1)可為一直線所構成。 t發明另一實施例,當本發明運用於開口板手結構 扳手相對於梅花扳手(1⑸係為僅具四個邊面, == 具有卡制緣(11)、容置槽(12)、凹 ‘效。 (1 4 ),使之開口扳手亦具相同之 树明另一實旋動例,當本發明運 :夺:管扳手相對於梅花扳手(i 〇)係為一缺1 :提°二 管扳:内徑面處均具有卡制緣⑴)、: 手亦具相同之功 =。(13)及頂抵面(14)’使之管扳 本發明最大之優點乃在於: 及二:)( 2 )具卡制緣(1 1 )、容置槽(1 2 ) 如E形、六―t可供多種形狀之螺合件相互套合時, 具套合之擴充性,^形;/·等螺合件均可套合之,即 合件之頂面於旋動“適當位置處具頂抵面(1 4),螺 件即可不脫出受頂抵面(14 )所頂擎,螺合 *、、、( 1 1 )之範圍外,使其本發明之梅 13 200819245 ==〇)可套合多種形狀之螺合件且具頂抵螺合件 習用之缺點,確為:二:::穎及實用之功效,並能改進 ΐ利ΐ依法提_請尚折貴審Γ4能符合發明專利之要 ’為_•丨 、〜委貝詳核細審並早曰賜准 200819245 【圖式簡單說明】 第一圖、 第二圖、 第三圖、 弟四圖、 第五圖、 第六圖、 第七圖、 第八圖、 弟九圖、 弟十圖、 弟十一圖、 第十二圖、 第十三圖、 第十四圖、 第十五圖、 第十六圖、 第十七圖、 第十八圖、 第十九圖、 第二十圖、 弟一十一圖 第二十二圖 第二十三圖According to the invention, the clamping edge Q 1) of the wrench (1Q) can be composed of a straight line. According to another embodiment of the invention, when the present invention is applied to an open-hand wrench structural wrench with respect to a wrench (1 (5), there are only four sides, == has a snap edge (11), a receiving groove (12), a concave 'Effective. (1 4), so that the open-end wrench also has the same tree and another actual rotation example. When the invention is carried out: the pipe wrench is a missing 1 with respect to the plum wrench (i 〇): Two pipe wrenches: the inner diameter surface has a clamping edge (1)), and the hand also has the same work =. (13) and the top abutting surface (14) 'to make the tube pull the invention The greatest advantage of the invention is: and two:) (2) with a carding edge (1 1 ), a receiving groove (1 2 ) such as an E shape, Six-t can be used to fit a variety of shapes of the screw fittings, with the expansion of the sleeve, ^ shape; / · and other screw parts can be fitted, that is, the top surface of the fitting is in the "suitable position" With the top abutting surface (1 4), the screw can not be pulled out of the top abutting surface (14), and the screwing is outside the range of *, , (1 1 ), so that the plum of the invention 13 200819245 = =〇) can be fitted with a variety of shapes of screw fittings and has the disadvantages of the use of the top screwing fittings. It is indeed: 2::: Ying and practical effects, and can improve the profit of ΐ利ΐ Γ4 can meet the requirements of the invention patent 'for _• 丨, 委 详 详 detailed review and early approval of 200819245 [simple description of the map] the first picture, the second picture, the third picture, the fourth picture, the fifth Figure, sixth figure, seventh figure, eighth figure, brother nine figure, brother ten figure, brother eleven figure, twelfth figure, thirteenth figure, fourteenth figure, fifteenth figure, sixteenth Figure, seventeenth, eighteenth, first Figure nine, twenty-diagram, Figure brother eleven-second view of the twenty-third map

係本务明之梅花扳手立體圖。 係本發明梅花扳手上視圖。 係本發明梅花扳手部份放大圖。 係本發明旋動六肖形螺合件立體圖。 谭本么明&動六角形螺合件示意圖。 係本發明旋動六角形螺合件放大圖。 係本發明軸六肖形螺合件立體圖。 係本發明軸六角利合件示意圖。 係本發明旋動六角形螺合件放大圖。 係本發明旋動E形螺合件立體圖。 係本發明旋動E形螺合件示意圖。 係本發明旋動齒輪形螺合件立體圖。 係本备明旋動齒輪形螺合件示意圖。 ,本發明旋動三角形螺合件立體圖。 儀本發明旋動三角形螺合件示意圖。 係本發明第二實施例立體圖。 係本發明第二實施例上視圖。 係本發明第三實施例立體圖。 係本發明第三實施例上視圖。 係本發明第四實施例立體圖。 、係本發明第四實施例上視圖。 、係本發明第五實施例立體圖。 、係本發明第五實施例上視圖。 15 200819245 第二十四圖 第二十五圖 第二十六圖 第二十七圖 第二十八圖 第二十九圖 係本發明第六實施例立體圖 係本發明第六實施例上視圖 係本發明第七實施例立體圖 係本發明第七實施例上視圖 係本發明第八實施例立體圖 係本發明第八實施例上視圖 ,,十圖、係本發明第九實施例立體圖 第 第 第 十 十 十 圖 .圖 圖 第三十四圖 第三十五圖 第三十六圖 第三十七圖 第三十八圖 第三十九圖 係本發明第九實施例上視圖。 係本發明第十實施例立體圖。 係本發明第十實施例上視圖。 係本發明第十一實施例立體圖 係本發明第十一實施例上視圖 係本發明第十二實施例立體圖 係本發明第十二實施例上視圖 係本發明第十三實施例立體圖 係本發明第十三實施例上視圖 f四十圖、係本發明第十四實施例立體圖 第四十一圖 第四十二圖 第四十三圖 弟四十四圖 第四十五圖 第四十六圖 第四十七圖 係本發明第十四實施例上視 係本發明第十五實施例立體 係本發明第十五實施例上視 係本發明第十六實施例立體 係本發明第十六實施例上視 係本發明第十七實施例立體 係本發明第十七實施例上視 16 200819245It is a three-dimensional diagram of the plum wrench of this service. The top view of the plum wrench of the present invention. It is a partial enlarged view of the plum wrench of the present invention. A perspective view of a six-screw screw of the present invention. Tan Ben Ming Ming & moving hexagonal screw joint schematic. It is an enlarged view of the rotating hexagonal screw of the present invention. A perspective view of a shaft six-dimensional screw of the present invention. It is a schematic diagram of the shaft hexagonal fitting of the present invention. It is an enlarged view of the rotating hexagonal screw of the present invention. A perspective view of a rotating E-shaped screw of the present invention. It is a schematic diagram of the rotary E-shaped screw of the present invention. A perspective view of a rotating gear-shaped screw of the present invention. This is a schematic diagram of the rotating gear-shaped screw. The perspective view of the rotary triangular screw of the present invention. The schematic diagram of the rotating triangular screw member of the invention. A perspective view of a second embodiment of the present invention. A top view of a second embodiment of the present invention. A perspective view of a third embodiment of the present invention. A top view of a third embodiment of the present invention. A perspective view of a fourth embodiment of the present invention. A top view of a fourth embodiment of the present invention. A perspective view of a fifth embodiment of the present invention. A top view of a fifth embodiment of the present invention. 15 200819245 Twenty-fourth, twenty-fifth, twenty-sixth, twenty-seventh, twenty-eighth, twenty-ninth, and twenty-ninth aspects of the present invention are a perspective view of a sixth embodiment of the present invention. A perspective view of a seventh embodiment of the present invention is a top view of an eighth embodiment of the present invention, and a tenth view, a tenth embodiment of the ninth embodiment of the present invention Fig. Fig. Fig. 34th Fig. 35th Fig. 36th Fig. 37th Fig. 38th Fig. 39th view is a top view of the ninth embodiment of the present invention. A perspective view of a tenth embodiment of the present invention. A top view of a tenth embodiment of the present invention. The eleventh embodiment of the present invention is a perspective view of a twelfth embodiment of the present invention. The twelfth embodiment of the present invention is a perspective view of a thirteenth embodiment of the present invention. Thirteenth embodiment top view f forty tenth, fourteenth embodiment of the present invention, perspective view, forty-first figure, forty-second figure, forty-third figure, forty-fourth figure, forty-fifth figure, forty-sixth Figure 47 is a fourteenth embodiment of the present invention, a fifteenth embodiment of the present invention, a fifteenth embodiment of the present invention, a sixteenth embodiment of the present invention, a sixteenth embodiment of the present invention, the sixteenth embodiment of the present invention Embodiments of the present invention, a seventeenth embodiment of the present invention, a seventeenth embodiment of the present invention, a top view 16 200819245

第四十八®、係本發明第十人實施例立體圖。 第四十九圖、係本發明第十八實施例上視圖。 第五十圖、係本發明第十九實施例立體圖。 第五十-圖、係本發明第十九實施例上視圖。 第五十二圖、係本發明第二十實施例立體圖。 第五十三圖、係本發明第二十實施例上視圖。 第五十四圖、係本發明第二十-實施例立體圖。 ,五十五圖、係、本發明第二十—實施例上視圖。 ,五十六圖、係本發明第二十—實施例放大圖。 第五十七圖、•本發明第二十二實施例立體圖。 ,五十八圖、係、本發明第二十二實施例上視圖。 ,五十九圖、係本發明第二十三實施例立體圖。 第八十圖、係本發明第二十三實施例上視圖。 第六十一圖、係習用梅花扳手示意圖。 【主要元件符號說明】 (1 1 )卡制緣 (13)凹槽 (3 1 )凸緣 (4 1 )凸塊 (7 1 )多角槽 (10)梅花扳手 (12)容置槽 (14)頂抵面 (2 0)螺合件 (3 0) E形螺合件 (4 0)齒輪形螺合件 (6 〇)三角形螺合件 (了 〇)梅花扳手 (7 2)凸塊 17Forty-eighth, a perspective view of an tenth embodiment of the invention. A forty-ninth embodiment is a top view of an eighteenth embodiment of the present invention. Fig. 50 is a perspective view showing a nineteenth embodiment of the invention. Figure 50 is a top view of a nineteenth embodiment of the present invention. A fifty-second diagram is a perspective view of a twentieth embodiment of the present invention. Figure 53 is a top view of a twentieth embodiment of the present invention. A fifty-fourth embodiment is a perspective view of a twentieth-embodiment of the present invention. Figure 55 is a top view of the twentieth embodiment of the present invention. Figure 56 is an enlarged view of the twentieth embodiment of the present invention. Figure 57 is a perspective view of a twenty-second embodiment of the present invention. Figure 58 is a top view of a twenty-second embodiment of the present invention. 59 shows a perspective view of a twenty-third embodiment of the present invention. Figure 80 is a top view of a twenty-third embodiment of the present invention. Figure 61 shows a schematic diagram of a used plum wrench. [Main component symbol description] (1 1 ) Card edge (13) Groove (3 1 ) Flange (4 1 ) Bump (7 1 ) Multi-angle groove (10) Torx wrench (12) accommodating groove (14) Top abutting surface (20) screwing piece (3 0) E-shaped screwing piece (40) gear-shaped screwing piece (6 〇) triangular screwing piece (〇〇) plum wrench (7 2) bump 17

Claims (1)

200819245 十、申請專利範圍·· 1、—種梅花扳手結構改良,其概在於:梅花板 於作用端内控面依序形成卡制緣及容置槽呈順序環狀 出i面手内徑面之卡制緣係為一適當大小弧度之突 ::面所構成,於卡制緣與另一卡制緣間係為容置槽,於 細犬出之弧面凹設一凹槽,凹槽之寬度及大小以供容 螺合件之凸塊’凹槽使其卡制緣由原先之一弧面 产弧面’於内徑面適當位置處具數個凸出適當厚 :螺合件面#猎此,梅花扳手即可套合且可頂抵多種形狀 ” ° 冑之旋料具套合之擴紐及操作之便利性。 改m依據申請專利範圍第1項所述之梅花扳手結構 狀Γ#化扳手之卡制緣與容置槽可六個環狀排列 改良3其^1申^專利範31第1項所述之梅花扳手結構 、中备置槽之曲面與卡制緣之曲面可呈相切狀。 改良,㈠依據巾請專利範圍第1項所述之梅花扳手結構 改良,㈠㈣申料利範圍第1項料之梅花扳手結構 緣^ 凹槽之寬度及大小以供容納£形螺合件之凸 改良6其中依據::專利範圍第1項所一 7 四槽可係由二側邊及一底邊所構成。 改良,1中依據t請專利範圍第6項所述之梅花扳手結構 /、中’四槽之二侧邊係呈平行狀。 18 200819245 改二中依據?專利範圍第6項所述之梅花㈣ 改良其中,凹槽之底邊係呈直線狀。 改^复Φ依據申請專利範圍第1項所述之梅花扳手結構 二上抵:花板手於咖^ 1 0、依據申請專利範圍第丄項所述 手 =良’其中,了細餐略緣,細;穿 構改i1丛:據申請專利範圍第1項所述之梅花扳手結 = 抵面之曲面可與卡制緣之曲面成同一曲 禮改i2據申請專利範圍第1項所述之梅花扳手結 之凹_ 頂抵面之數目可為三個,且間隔位於部份 舰i3 ^據申料魏圍第1項所叙梅花扳手結 义中,頂抵面可為一個,且位於一凹槽内。 谨4 ^依據申請專利範圍第1項所述之梅花扳手結 ❹t5 L依據申請專利範圍第1項所述之梅花扳手結 义,,、=,頂抵面可為六個,有三個頂抵面位於内护 ===個頂抵面位於内徑面下端,且頂抵面係呈: 16、依據申請專利範圍第i項所述之梅花扳手結 19 200819245 構改良’其中,頂批;可去 槽 上端,另二個頂抵面位於 序排列 、-了為八個,有三個頂抵面位於凹 凹槽下端,且頂抵面係呈上下順 ㈣ί \ 據申請專鄉圍第1項所述之梅花扳手結 .梅花^手^卡^抵面係呈凹人曲面狀,頂抵面之曲面與200819245 X. The scope of application for patents·· 1. The improvement of the structure of the plum wrench is as follows: the plum blossom plate is formed with the inner edge of the inner end of the working end, and the receiving groove is sequentially ring-shaped. The carding edge is formed by a protrusion of a proper size: the surface is formed by a receiving groove between the clamping edge and the other clamping edge, and a groove is recessed in the curved surface of the thin dog. Width and size to accommodate the screw of the screw fitting 'groove so that the clamping edge is from the original one arc surface arcing surface' at the appropriate position on the inner diameter surface with a number of convexities appropriate: thick screw surface #猎Therefore, the wrench can be fitted and can be folded into a variety of shapes. ° The expansion of the twisting tool and the convenience of operation. The m is based on the structure of the plum wrench described in item 1 of the patent application scope. The card edge and the receiving groove of the wrench can be improved by six annular arrangements. The structure of the tow wrench described in the first paragraph of the patent model 31, the curved surface of the prepared groove and the curved surface of the card edge can be presented. Straight cut. Improvement, (1) According to the towel, please modify the structure of the wrench as described in item 1 of the patent scope, (1) (4) The width and size of the groove of the plum blossom wrench of the 1 item is used to accommodate the convexity improvement of the screw-shaped screw part. 6 According to the following:: Patent No. 1 of the first item 7 Four slots can be made up of two sides and one bottom According to t, please refer to the structure of the plum wrench described in item 6 of the patent scope, and the two sides of the middle four-slot are parallel. 18 200819245 According to the second paragraph, the patent scope is the sixth item. In the improvement of the plum blossoms (4), the bottom edge of the groove is linear. The modification of the Φ is based on the structure of the plum wrench described in item 1 of the patent application scope: the flower plate hand is in the coffee ^ 1 0, according to the patent application In the range of the first item, the hand=good', in which the fine meal is slightly edged and thin; the construction is changed to the i1 bundle: according to the patent application scope, the tow wrench knot = the surface of the surface can be compared with the curved surface of the card edge According to the application of the patent scope, the number of the yokes can be three, and the interval is located in the part of the ship i3 ^ According to the first item of Wei Wei In the plum wrench, the top abutment surface can be one and is located in a groove. The plum blossom wrench knot t5 L according to item 1 of the scope of interest refers to the plum wrench described in item 1 of the patent application scope, and =, the top abutment surface can be six, and three top abutting faces are located in the inner protection == = The top abutting surface is located at the lower end of the inner diameter surface, and the top abutting surface is: 16. The plum blossom wrench knot according to item i of the patent application scope 19 200819245 structure improvement 'of the top batch; the upper end of the trough can be removed, the other two The top abutting faces are arranged in order, and the number is eight. There are three top abutting faces at the lower end of the concave groove, and the top abutting surface is up and down (four) ί \ According to the application of the special township, the first one of the plum wrenches. Plum ^Hand ^ card ^ the face is concave curved surface, the surface of the top surface and 梅化扳乎之卡制緣之曲面成相切狀。 m + t 8 L依據申請專利範圍第1項所述之梅花扳手結 構改良’八中,頂抵面係呈凹入曲面狀,頂抵 容置槽之形狀相同。 '依據申請專利範圍第1項所述之梅花扳手結 構改良〃中’頂抵面係呈凹人曲面狀,頂抵面之形狀係 呈拋物線狀,且拋物線頂端與凹槽相切。 /、 2〇 依據申請專利範圍第1項所述之梅花扳手結 構改良,其中,頂抵面係與凹槽成相同形狀且往内偏移。 21、依據申請專利範圍第i項所述之梅花扳手結 構改良’其中,頂抵面係呈六角形狀,使之卡制緣、容置 槽與凹槽上均具魏面,此六角形狀之頂抵面亦可旋動另 一尺寸之螺合件。 依據申請專利範圍第1項所述之梅花扳手結 構改良,其中,頂抵面係呈十二角形狀,使之卡制緣、容 置槽與凹槽上均具頂抵面。 23、依據申請專利範圍第1項所述之梅花扳手結 構改良’其中’頂抵面係呈十二角形狀,使之容置槽與凹 槽上可均具頂抵面,此十二角形狀之頂抵面亦可旋動相同 20 200819245 尺寸之螺合件。 24、依據申請專利範圍第i項所述之梅花扳手結 構改良’其中,難面係呈十二圓㈣狀,使之容置样 凹槽上可均具頂抵面。 曰/、 5 依據申凊專利範圍第1項所述之梅花扳手蛛 構改良,其中,頂抵面係與卡制緣、容置槽及凹槽成。 形狀且往内偏移。 J 2 6 依據申請專利範圍第1項所述之梅花扳手結 構改良,其中,頂抵面係與卡制緣、容置槽成相同形狀。且 往内偏移。 27、依據申請專利範圍第丄項所述之梅花扳手結 j良’、中’頂抵面係呈十二角形狀,使之容置槽鱼凹 可均昇頂抵面’且於頂抵面上旋動螺合件時,螺2件 亦可受卡制緣頂抵。 系口件 ㈣依據申請專利翻第1項所述之梅花扳手結 L:杜:抵面係呈十二角形狀,而於頂抵面上旋 ” S ¥ ’螺合件亦可受卡制緣頂抵。 2 9、依據申請專利範圍第工項所述之梅花板手址 =狀其中’頂抵面可位於容置槽處,亦即容置㈣呈 構改ΓΐΦ依據中料鄉㈣1項料之梅花扳手結 不貫穿狀’、日頂抵面可位於容置槽處’亦即容置槽係呈 不貝牙狀,且可與凹槽成相同形狀。 31、依據申請專·圍$1項所述之梅花板手結 21 200819245 構改良其中,頂抵面可位於卡制緣處。 3 2、依據申請專利範圍第1項所述之 構改良,其中,凹槽之形狀可為單—凹圓狀所^反手、、、。 構改良,爱中依據申請專利範圍第1項所述之梅花扳手結 係愈卡制€ *凹槽之形狀可為單—凹圓所構成,頂抵面 ’、〃 、、表、各置槽及凹槽成相同偏移狀。 構改專利範圍第1項所述之梅花扳手結 係為卡制緣、容置;:形ΠΓ一凹圓所構成’頂抵面 置払及一侧邊成平行狀之凹槽所構成。 構改r,复f據申請專利範圍第1項所述之梅花扳手結 壤二瓜:张’卡制緣為一突出弧面’此弧面可係為二弧 線或夕弧線所構成。 谨^6ιΓ據申請專利範圍第6項所述之梅花扳手結 ’ ^中’凹槽之二側邊夾角可大S九十度。 錢 cm 媒故_ \ Γ據申請專利範圍第6項所述之梅花扳手結 構改良’〔、中’凹槽之二側邊夾角可小於九十度。 ㈣$ ιΓ據申料利範圍第6項所述之梅花扳手結 ’凹槽之底邊可呈弧線狀。 9 1 f據申請專利範圍第1項所述之梅花扳手結 = 本發明制㈣吨手結構時,開口扳手 之四個邊面均具有卡制緣、容置槽、凹槽及頂抵面。 22The curved surface of the card is made to be tangent. m + t 8 L is improved according to the structure of the tow wrench described in the first item of the patent application. The top abutting surface has a concave curved shape, and the shape of the top abutting groove is the same. 'The improved top of the tornado structure according to item 1 of the patent application scope is a concave curved surface, the shape of the abutting surface is parabolic, and the top of the parabola is tangent to the groove. /, 2〇 The structure of the torsion wrench according to the first aspect of the patent application is improved, wherein the abutting surface is in the same shape as the groove and is offset inward. 21. According to the structural improvement of the plum wrench described in item i of the patent application scope, the top abutting surface has a hexagonal shape, so that the card edge, the receiving groove and the groove have a Wei surface, and the top of the hexagonal shape The surface can also be rotated to screw the other size. According to the improvement of the structure of the tow wrench according to the first aspect of the patent application, the top abutting surface has a twelve-corner shape, so that the clamping edge, the receiving groove and the groove have an abutting surface. 23. According to the structural improvement of the plum wrench described in the first paragraph of the patent application, the 'top' abutting surface has a twelve-corner shape, so that the receiving groove and the groove can have abutting surface, the twelve-corner shape The top 20 can also be rotated to the same 20 200819245 size screw. 24. According to the improvement of the structure of the plum wrench described in item i of the patent application scope, the difficult surface is in the shape of a twelve-circle (four) shape, so that the groove can be provided with a top abutting surface.曰/, 5 According to the modification of the plum wrench of the first aspect of the patent application, the top abutting surface is formed with a carding edge, a receiving groove and a groove. Shape and offset inward. J 2 6 The structure of the torx wrench according to the first aspect of the patent application is improved, wherein the abutting surface has the same shape as the engaging edge and the receiving groove. And offset inward. 27. According to the scope of the patent application, the plum wrenches and the middle abutting surface are in the shape of a twelve-corner shape, so that the grooved fish can be raised to the top surface and the top surface is abutted. When the screw is screwed up, the screw 2 can also be abutted by the clamping edge. The mouthpiece (4) according to the patent application, the plum wrench set L: Du: the face is in the shape of a twelve-corner, and the screw on the top surface of the "S ¥ ' screw can also be jammed 2, according to the application of the patent scope of the project, the plum blossom board hand site = shape, where the 'top abutment surface can be located at the receiving trough, that is, the accommodation (four) is structurally modified Φ according to Zhongxiang Township (four) 1 item The plum blossom wrench knot does not pass through the shape, and the sun-top surface can be located at the accommodating groove, that is, the accommodating groove is in the shape of a beak, and can have the same shape as the groove. 31. According to the application, the special item is $1. The plum blossom board hand knot 21 200819245 The structure improvement is that the top abutting surface can be located at the edge of the card. 3 2. According to the structural modification described in the first claim, wherein the shape of the groove can be single-concave The backhand, the, and the improvement of the structure, according to the scope of the patent application of the first paragraph of the plum blossom wrench knot more than the card system * the shape of the groove can be a single-concave circle, the top surface ', 〃 , the table, each groove and the groove are in the same offset shape. The knot is a card edge and a accommodating; the shape ΠΓ 凹 凹 所 ' ' ' ' ' ' 顶 顶 顶 顶 顶 顶 顶 顶 顶 顶 顶 顶 顶 払 払 払 払 払 払 払 払 払 払 払 払 払 払 払 払 払 払 払The plum blossom wrench has two melons: the 'card edge is a protruding arc surface'. The arc surface can be composed of a second arc or a circumscribed arc. ^^6ιΓ The tow wrench knot according to the scope of claim 6 The angle between the two sides of the '^中' groove can be as large as S ninety degrees. Money cm Media _ \ 改良 According to the scope of application of the patent scope of the plum wrench structure improvement '[, the two sides of the groove The angle may be less than ninety degrees. (4) $ Γ According to the scope of the application of the scope of the plum blossom wrench knots, the bottom edge of the groove may be curved. 9 1 f according to the patent scope of the first paragraph of the plum wrench Knot = When the (four) ton hand structure of the invention is made, the four sides of the open-end wrench have a carding edge, a receiving groove, a groove and a top abutting surface.
TW95138321A 2006-10-18 2006-10-18 Improved structure for ratchet wrench TW200819245A (en)

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