1307306 九、發明說明： 【發明所屬之技術領域】 本發明是有闕於-種工具，特別是指一種可内藏工具 桿及起子g的鎚類工具。 【先前技術】 如圖1所π豸有—種可更換鍵頭的手工具（同為本 案申請人所提申之辛請案號第931〇868〇號案），包含一握 柄車70 1、—裝設在該握柄單幻上的本體2、-裝設在該 本體2 -側的第一趟頭3、二第二鍵頭4、一與該第一鍵頭 3連接成-體的連接桿5及-可裝設在該握柄單元i中的工 具單元6。該握柄單元1是具有—第-管件ΗΠ、-與該第 —管件101互相螺接的第二管 、 哕太辦9由 该連接桿5是穿設在 : 且使該第―鍵頭3位在該本體2的-第一側 ㈣2〇2、上Γ 螺鎖定位在該本體2的一第二 元6且右’如此—來就具㈣_制功能，該工呈單 兀ό具有一定位件6 _ 、 起子602、四支起^ —支以在“位件6G1上的精密 1中取出，且利用工具單元6可自該握柄單元 可將該第二二精密起子，操作較小的螺絲。或者， 式的起子頭102自第—管件1〇1上拆下，且將不同型 〇3插設在該第二管件1〇2 型式的螺絲。 p可操作不同1307306 IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD OF THE INVENTION The present invention is directed to a tool, and more particularly to a hammer tool that can house a tool bar and a driver g. [Prior Art] As shown in Fig. 1, there is a hand tool for replacing the key head (the same as the case filed by the applicant of the present application, No. 931〇868〇), including a handle car 70 1 a body 2 mounted on the handle phantom, a first boring head 3 and a second second key head 4 mounted on the side of the body 2, and a body connected to the first key head 3 The connecting rod 5 and the tool unit 6 which can be mounted in the grip unit i. The handle unit 1 is a second tube having a first tube member and a first tube member 101, and the second tube 9 is pierced by the connecting rod 5 and the first button head 3 is Positioned on the first side (four) 2 〇 2 of the body 2, the upper snail is locked at a second element 6 of the body 2 and the right 'so' has a function of (4) _, the work unit has a The positioning member 6 _ , the driver 602 , the four support members are taken out in the precision 1 on the position member 6G1 , and the second two precision screwdrivers can be used from the handle unit 6 by the tool unit 6 , and the operation is small. Or the screwdriver bit 102 is detached from the first pipe member 1〇1, and the different type 〇3 is inserted into the screw of the second pipe member type 1〇2. p can be operated differently
雖然，利用卜、+、& Y 功能操作螺絲之目的\卫具是可達到雙頭趟擊及具有多 -、用來h ，實際使用時仍有下列問題： 螺絲的工具只有2支精密起子602及4 1307306 個起子頭603， 同型式之螺絲。 在使用時㈣為U，且無法適詩各種不 二山场寺起子頭603只有—端套設在該定位件6〇1中 另端並未產生定位，且在利用哕太泸 牡列用该本體2進行鎚擊操作 夺，該等起子頭603可能自兮宕伤彼 取出該工1單元6時:： 中甩出，且在欲 管件102 : ，該專起子頭6〇3就會散落在該第二 吕件102中，造成使用不方便。 【發明内容】 本發明之目的，即在提供—種可適合操作不同 J不同型式之螺絲且可提昇構件定位性之可内藏工具 桿及起子匣的鎚類工具。 八 人—於I本發明可内藏工具桿及起η的㈣工具，包 合—本體單元、-可收納在該本體單元t的起子匿、一可 插設定位在該起子g内部的卫具桿、多數可插設在該起子 厘中的第-起子頭、多數可插設在該起子£中的第二起子 碩。該本體單元具有—操作部、—與該操作部固接的握柄 及—與該操作部相反設置且組設在該握柄上的封蓋，該握 :是沿-長方向延伸，並具有一可界定出一呈單向開放之 =、、’内二間的筒部，該筒部具有一趨近於該操作部且相鄰於 3亥容納空間的内側端面、—沿該長方向遠離於該内側端面 且與該操作部相反設置的外侧端面及—介於該内側端面與 '•亥外側端面之間的限位面，該容納空間的一開口形成於該 外側端面’該封蓋是可定位在該外側端面上，且可將該開 口封閉。該起子匣是呈柱狀且可收納在該容納空間中，並 1307306 具有-可相對於該内側端面的第—端面、 相背設置且對應該開 …亥“面 方内鉬由 的第—為面、—由該第一端面沿長 =二凹_孔、多數由該第-端面沿長方向凹設且 纽在该沉孔外部的第一凹孔 向凹設的第二凹孔。該工且…沿長方 t的第-端部及…/ =:可插置定位在該沉孔 在該内側端面上的第-端邱 反设置且可抵止定位 其中之一= 該第一端部及第二端部二者 設定位在該起子£之第s貝^中知可插 .^ , 孔中，另—端抵止定位在該限 位面^且可任選其中之一插設在該工具桿之六角孔中。 S亥等第二起子頭苴中一 孔中S ώ ^可插設定位在糾子E之第二凹 孔中’另-知可抵止定位在該封蓋上。 -安==元更可具有—安裝在該握柄内部的彈*及 操作件。且該握柄更可具有-與該 的第二桿件，該第向與該第-桿件相螺接 角孔。 /、 可供第一起子頭插接的六 門收2故利用該操作部可作鍵擊操作，且利用該容納空 僅==起子Ε、工具桿、第一起子頭及第二起子頭，不 可而達到充分利用空間之目的 多的操作魏。 具增加更 【實施方式】 有關本發明之4述及其他技術内容、特點與 以下配合參考圖式之—個 ，>、，，在 权佳貫把例的砰細說明中，將可 1307306 清楚的呈現。 如圖2及圖3所示’本發明可内藏工具桿及起子匣的 鍵類工具較佳實施例，包含一本體單元10、一可收納在該 本體單元10中的起子匣20、一可插設定位在該起子匣20 内部的工具桿30、多數可插設在該起子匣20中的第一起子 項40及多數可插設在該起子匣2〇中的第二起子頭。且 亥起子匣20、工具桿30、第一起子頭40及第二起子頭50Although the purpose of using the Bu, +, & Y function to operate the screw is to achieve double-headed slamming and multi-, for h, the following problems still exist in actual use: The tool for the screw has only 2 precision screwdrivers 602 and 4 1307306 screwdriver heads 603, the same type of screws. In use (4) is U, and can not be suitable for a variety of different types of mountain temples, the head 603 only - end sleeve is set in the positioning member 6 〇 1 at the other end does not produce positioning, and the body is used in the use of 哕太泸 列When the hammering operation is performed, the screwdriver heads 603 may be taken out of the unit 1 when the workpiece 1 is removed: and the tube member 102: , the special screwdriver head 6 〇 3 will be scattered in the first In the second piece 102, it is inconvenient to use. SUMMARY OF THE INVENTION It is an object of the present invention to provide a hammer-type tool that can be adapted to operate different types of screws and that can improve the positioning of components. Eight people - in the invention, the tool bar and the (four) tool can be built in, the body unit, the protector that can be stored in the body unit t, and the protector that can be inserted into the inside of the driver g A rod, a plurality of first-driver heads insertable in the screwdriver, and a second plurality of spindles insertable in the screwdriver. The body unit has an operating portion, a grip fixed to the operating portion, and a cover disposed opposite to the operating portion and assembled on the grip, the grip extending in the -long direction and having One can define a one-way open=,, and two inner cylindrical portions, the cylindrical portion having an inner end surface that is adjacent to the operating portion and adjacent to the three-chamber receiving space, along the long direction An outer end surface disposed on the inner end surface opposite to the operation portion and a limiting surface between the inner end surface and the outer end surface of the outer hole, an opening of the receiving space is formed on the outer end surface 'the cover is It can be positioned on the outer end face and can close the opening. The driver 匣 is columnar and can be accommodated in the accommodating space, and 1307306 has a first end surface that can be opposite to the inner end surface, and is opposite to each other and corresponds to the opening of the surface of the molybdenum a face, a second recessed hole that is recessed by the first end face along the length=two recessed hole, a plurality of first recessed holes recessed by the first end face in the longitudinal direction and the neon outside the counterbore. And ... along the first end of the rectangular t and ... / =: can be inserted and positioned at the first end of the counterbore on the inner end face and can be positioned to resist positioning one of the first end And the second end portion of the setting position is in the sth of the starter, and the hole is located in the hole, and the other end is positioned to be positioned on the limiting surface ^ and one of the optional ones is inserted in the In the hexagonal hole of the tool bar, S hai and other second screwdriver heads are in a hole S ώ ^ can be inserted in the second recess of the correcting piece E 'other-known to resist positioning on the cover - An == yuan may have - a bullet mounted inside the handle * and an operating member. And the handle may have - and the second member, the first and the first member Corner hole. The six-door door that can be inserted into the first screwdriver head can be used as a keystroke operation by using the operation portion, and the vacant space only uses the == screwdriver, the tool bar, the first screwdriver head and the second screwdriver head. To achieve the full use of the space for the purpose of the operation of the Wei. The addition of the implementation of the fourth aspect of the present invention and other technical content, features and the following reference to the drawings, a >,,, in the right In the detailed description of the example, it can be clearly presented as 1307306. As shown in FIG. 2 and FIG. 3, the preferred embodiment of the key tool of the present invention can include a body unit 10 and a body unit. a driver 20 housed in the body unit 10, a tool bar 30 insertably disposed inside the driver 20, a plurality of first driver items 40 insertable in the driver 20, and a plurality of pluggable a second driver head of the driver 且 2〇, and a screwdriver 20, a tool bar 30, a first driver head 40, and a second driver head 50
可組成一工具單元100。A tool unit 100 can be formed.
該本體單元10具有一操作部U 接的握柄12、一安裝在該握柄12内部的彈簧13、一安裝 在該握柄12内部的抵止件14及一與該操作部u相反設置 且組設在該握柄12上的封蓋15。 本實施例的操作部1 2 3 4 5 6 7 8 9 10是具有可替換鎚頭之功能，並具 有一本體111、一，组設在該本體U1 —側的第一链頭⑴、 該第鎚頭112連結且位在該本體⑴另一側的第二鍵 f 113 ’該本體111具有一拔針部们14。實際上，該操作 4 11亦可如現有之一體式鄉頭結構。 1 亥握柄12是>’;L 一旦"ir a v 2 n °長方向x延伸，並具有一與該操作部 3 11固接的第一桿件16月_ 4 螺接的第二户杜 及一長方向Χ與該第一桿件16相 5 1;相對的干山17。該第一桿件16具有一由與該第二桿件 6 17相對的一端面沿 行干 7 該第二桿件.17是呈中二Χ向内凹設延伸的内孔⑹， 8 161中的延伸部m / ，並具有一可伸設至該内孔 9 側的筒部172, 長方向Χ銜接在該延伸部171 一 10 錢伸部171具有一由與該第-桿件17相 1307306 、十的端面/σδ亥長方向x向内凹設的大六角孔m，該筒部 172可界疋出一呈單向開放之容納空間174,並具有一趨近 於錢伸部171且相鄰於該容納空間174的内側端面175、 2该長方向X遠離於該内側端面175且與該操作部1丨相 反叹置的外側端面176及—由該内側端面延伸至該外 :1端面176且相鄰於該容納空fs1 m的内環面177，該容納 空間曰174的一開口 174，形成於該外側端面176，該内環面 177是m狀，並具有—趨近於該内側端面175的小徑部 位177,、一趨近於該外側端面176的大徑部位177，，及一介 於該大、小徑部位丨77„ 1值177 177之間的肩面178，該第二桿件 17對應該開口 174’處設有一外螺紋179。 該無簧13是裝設在該容納空間174中，且抵靠在 面178上。 該抵止件14是製成中空環塊狀，繼該彈簧13裝設在 該容納空間174中，且連結在該彈簧13上，並具有—限位 面 141。 該封蓋15是可螺設在該外螺紋179上，且―内端面可 抵止定位在該外側端面176±，可將該開口 Μ，封閉。 、該起子E 20是呈圓柱狀且可收納在該容納空間⑽ ’並具有一可相對於該限位自⑷的第-端面21、—與該 苐：端面21相背設置且對應該開口 m，的第二端面a、一 由"亥第端面21 t央沿長方向x朝内凹設的沉孔川、8 個由該第-端面21沿長方向χ凹設且環設在該沉孔叫外 部的第-凹孔212及4個由該第二端面22沿長方向叉凹設 1307306 的第二凹孔221。第一、二凹孔212、221都呈六角狀，且 第二凹孔221的徑寬大於第一凹孔212之徑寬。 該工具桿30具有一第一端部31、一與該第一端部31 呈相反设置的第二端部32及一凹設在該第一端部31的小 六角孔33。本實施例可4差二鑛差！錢顧1 主在該内側端面275上，也可將第二端部32插置定位在該 /儿孔211 f，且使第一端部31抵止定位在該内側端面175 上。 該等第-起子頭4〇是適合於操作尺寸較小的螺絲，其 中一端可插設定位在該起子£ 2G之第1孔212中，並使 另-端抵止定位在該限位面⑷上。且可依操作螺 式^擇其中之一插設在該工具桿30之小六角孔33中。' 2知例的第-起子頭4〇為可雙頭使用，但亦可將第 子頭40設成單頭型式。 〜 =4第二起子頭5G是適合於操作尺寸較大的螺絲，立 中一鳊可插設定位在該起子 /、 轳鉍L A 〜丁1^ 之第二凹孔221中，另— 鈿抵止疋位在該封蓋15 豆中 且了依知作螺絲之型式而選擇 ”中之一與§亥第二桿件17配合使用。 如圖3所示，該工具桿 起子瓸<ΛΘ 久这荨第一起子頭40、第二 起子員50疋可先插置在該 10〇，再將_1^_ 、于！ 2〇中以形成該工具單元 卞Θ工具早兀100收納扃 ^ 174 t . m 、 '^本體皁元10的容納空 中，並利用該彈簧13與 置在該起子M % ' 件14的設置，使得插 唣于匣20令的該等第— 每子頭40可抵止定位，且 10 1307306 該封蓋is螺設定位在該外螺紋179上時，亦可提供該等第 二起子頭50的抵止定位，而該工具桿3〇也可限位在該内 側端面175與該沉孔211 一孔底面之間。因此，收納在該容 納空間Π4中的該起子匡20、工具桿3〇、第一起子頭4〇、 第二起子頭50都可獲得穩定定位。即使利用該操作部丨丨進 行鍵擊操作時，該等第一、二起子頭4〇、50也不會自該起 子匣20中脫離。The body unit 10 has a handle 12 connected to the operating portion U, a spring 13 mounted inside the handle 12, a resisting member 14 mounted inside the handle 12, and a reversed portion of the operating portion u and A cover 15 is provided on the handle 12. The operating portion 1 2 3 4 5 6 7 8 9 10 of the present embodiment has the function of a replaceable hammer head, and has a body 111, a first chain head (1) disposed on the side of the body U1, the first The hammer head 112 is coupled to the second key f 113 'located on the other side of the body (1). The body 111 has a needle removing portion 14. In fact, the operation 4 11 can also be as in the existing one. 1 The hail grip 12 is >'; L once extended "ir av 2 n ° long direction x, and has a second member fixed to the operating portion 3 11 16 months _ 4 screwed Du and a long direction Χ with the first rod member 16 phase 51; opposite dry mountain 17. The first rod member 16 has an inner surface (6) extending inwardly from the inner side of the second rod member 17 by an end surface opposite to the second rod member 61. The extension portion m / has a cylindrical portion 172 extending to the side of the inner hole 9 , and the long direction of the cymbal is engaged with the extending portion 171 - 10 the money extension portion 171 has a phase 1307306 with the first rod member 17 a large hexagonal hole m recessed inwardly in the direction of the end face/σδ, and the cylindrical portion 172 can define a receiving space 174 which is open in one direction and has a phase close to the money extension 171. The outer end surface 176 adjacent to the inner end surface 175, 2 of the accommodating space 174 is away from the inner end surface 175 and opposite to the operating portion 1 及 and extends from the inner end surface to the outer surface: 1 end surface 176 And an inner ring surface 177 adjacent to the receiving space fs1 m, an opening 174 of the receiving space 174 is formed on the outer end surface 176, the inner ring surface 177 is m-shaped, and has - approaching the inner end surface a small diameter portion 177 of 175, a large diameter portion 177 which is close to the outer end surface 176, and a value 177 177 between the large and small diameter portions The shoulder surface 178 of the second rod member 17 is provided with an external thread 179 corresponding to the opening 174'. The springless portion 13 is mounted in the receiving space 174 and abuts against the surface 178. The abutting member 14 is formed into a hollow ring block, and the spring 13 is mounted in the receiving space 174, and is coupled to the spring 13 and has a limiting surface 141. The cover 15 is screwable on the external thread. 179, and the inner end surface can be positioned to be positioned on the outer end surface 176±, and the opening can be closed and closed. The screwdriver E 20 is cylindrical and can be accommodated in the receiving space (10)' and has a relative The limit is from the first end surface 21 of the (4), and the second end surface a opposite to the end surface 21 and corresponding to the opening m, and the second end surface a of the opening end is 21 The sinkholes are provided, and the first recessed holes 212 which are recessed in the long direction by the first end face 21 and which are disposed outside the counterbore are externally recessed by the second end face 22 along the long direction The second recess 221 of the 1307306. The first and second recesses 212 and 221 are all hexagonal, and the second recess 221 has a larger diameter than the first recess 212. The rod 30 has a first end portion 31, a second end portion 32 opposite to the first end portion 31, and a small hexagonal hole 33 recessed in the first end portion 31. This embodiment can be 4 The second mine is poorly located on the inner end surface 275, and the second end portion 32 can be inserted and positioned on the inner hole 211 f, and the first end portion 31 is resisted and positioned on the inner end surface 175. The first-driver head 4 is suitable for operating a small-sized screw, wherein one end is insertably disposed in the first hole 212 of the driver £2G, and the other end is positioned to be positioned on the limiting surface. (4) Upper. And one of the operating screws can be inserted into the small hexagonal hole 33 of the tool bar 30. The second-initiator head 4' is a double-headed type, but the first sub-head 40 can also be set to a single-head type. ~=4 The second screwdriver head 5G is suitable for operating a screw with a larger size. The center can be inserted into the second recess 221 of the screwdriver /, 轳铋LA 〜1^, and the other is The shackle is selected in the cover 15 beans and is selected according to the type of screw. One of them is used in conjunction with the second lever 17 of the §. As shown in Fig. 3, the tool 起 瓸 瓸 ΛΘ ΛΘ Here, the first starter 40 and the second starter 50疋 can be inserted in the 10〇, and then _1^_, in ! 2〇 to form the tool unit, the tool is as early as 100, and the storage 扃 ^ 174 t. m , '^ The body soap element 10 is accommodated in the air, and the spring 13 and the setting of the spring M % 'piece 14 are used, so that the first part of each of the sub-heads 40 can be inserted Positioning, and 10 1307306, when the cover is screw is set on the external thread 179, the abutment positioning of the second driver 50 can also be provided, and the tool bar 3 can also be limited to the inner end face. 175 is between the bottom surface of the hole of the counterbore 211. Therefore, the driver 20, the tool bar 3, the first driver 4, and the second driver are housed in the receiving space Π4. The stable positioning can be obtained by 50. Even when the keystroke operation is performed by the operation portion, the first and second screwdrivers 4, 50 are not detached from the driver 20.
竣蚵盍自第二桿件17末端螺下後，可自該容 納空間174中取出該工具單元，且如圖4所示，利㈣ 工具桿30與該等第—起子頭4Q配合可產生精密起子的使 用功能，且可操作不同型式的較小_。依本實施例共含8 =雙碩使用的第一起子頭4〇而言’共可操力i 式的螺絲。 J ^ 如圖3及圖5所示，當將該第二桿件17自第一桿件w 上拆下’且利用具有不㈣式之第二起子頭50與該大六角After the end of the second rod member 17 is screwed down, the tool unit can be taken out from the accommodating space 174, and as shown in FIG. 4, the tool rod 30 can be matched with the first screwdriver bit 4Q to produce precision. The function of the screwdriver is used, and the smaller _ of different types can be operated. According to the embodiment, a total of 8 = the first screwdriver head 4 双 used by the double master is used. J ^ as shown in FIG. 3 and FIG. 5, when the second rod 17 is detached from the first rod w' and the second screwdriver head 50 having the (four) type is used and the large hexagon
孔173配合，亦可利用筒部172作為握;& 型式的較大_。 2作為握柄而操作4種不同 Μ ’本發明除了利用賴作部u =可利用該容納空…納該工具單元 到充分利用空間之曰从 阳運 繁起… 該工具單元1〇0之工具桿3〇盘 式·:、螺絲，該等第： 大螺絲二更可增加更多的用也可知作不同型式的較 值传提的是，該封蓋15上更可螺設一第三鐘頭18， 1307306 該第三鍵頭18亦可適時地與該第二鎚頭113互換。 惟以上所述者，僅為本發明之較佳實施例而已，當不 能以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 ΐ圖式簡單說明] 圖1是現有一種可更換鎚頭的手工具立體分解圖； 圖2是一立體分解圖，說明本發明可内藏工具桿及起 子Ε的鍵類工具的一較佳實施例； 圖3是本發明上述較佳實施例之一組合剖面圖； 圖4是本發明上述較佳實施例之一使用示意圖，說明 —工具桿可插接一第一起子頭以形成精密起子；及 圖5是本發明上述較佳實施例之一使用示意圖，說明 第一桿件可插接—第二起子頭單獨使用。The hole 173 is fitted, and the tubular portion 172 can also be used as the grip; the & type is larger. 2 operating as a handle for 4 different types of Μ 'In addition to the use of the work department u = can use the accommodating space ... to the tool unit to make full use of the space from the Yang Yun... The tool unit 1 〇 0 tool Rod 3 〇 disc type::, screw, the same: Large screw 2 can add more use. It can also be seen that the value of the different types of the transfer is that the cover 15 can be screwed a third hour. 18, 1307306 The third key head 18 can also be interchanged with the second hammer head 113 in a timely manner. The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a conventional hand tool with a replaceable hammer; FIG. 2 is an exploded perspective view showing a preferred embodiment of the key tool of the present invention capable of incorporating a tool bar and a screwdriver. Figure 3 is a cross-sectional view of a preferred embodiment of the present invention; Figure 4 is a schematic view of one of the above preferred embodiments of the present invention, illustrating that the tool post can be inserted into a first screwdriver to form a precision screwdriver; FIG. 5 is a schematic view showing the use of one of the above preferred embodiments of the present invention, illustrating that the first rod is insertable - the second driver is used alone.
12 1307306 176 .......外側端面 177 .......内環面 177’……小徑部位 177”……大徑部位 178 .......肩面 179 .......外螺紋 18.........第三鎚頭 20 .........起子匣 21 .........第一端面 211 .......沉孔 【主要元件符號說明】 ίο.........本體單元 11 .........操作部 111 .......本體 112 .......第一鎚頭 113 .......第二鎚頭 114 .......拔釘部位 12 .........握柄12 1307306 176 .......outer end face 177 .. inner ring face 177'... small diameter part 177"... large diameter part 178....... shoulder surface 179 .. ..... external thread 18.........third hammer head 20 .........driver 匣 21 ......... first end face 211 ... .... counterbore [main component symbol description] ίο......... body unit 11 ......... operation unit 111 .... body 112 .... ...the first hammerhead 113.......the second hammerhead 114.......the nail puller part 12............handle
13 .........彈篑 14 .........抵止件 141 .......限位面13 .........Ammunition 14 .........Resistance 141 .......Limited surface
15 .........封蓋 X..........長方向 16 .........第一桿件 161 .......内孔 17 .........第二桿件 171 .......延伸部 172 .......筒部 173 .......大六角孔 174 .......容納空間 174’……開口 175 .......内側端面 212 ···.·•‘第一凹孔 22.........第二端面 221 .......第二凹孔 30 .........工具桿 31 .........第一端部 32 .........第二端部 33 .........小六角孔 40.........第一起子頭 50.........第二起子頭 100 .......工具單元 1315 ......... cover X..........long direction 16 .........first rod 161 .... inner hole 17 .........the second rod 171.......the extension 172.......the barrel 173.......the large hexagonal hole 174 ..... .. accommodation space 174' ... opening 175 .... inside end surface 212 ·····• 'first recess 22......... second end surface 221 ..... .. second recess 30 ... ... tool bar 31 ... ... first end 32 ... ... second end 33 ... ... small hexagonal hole 40.........first screwdriver head 50.........second screwdriver head 100.......tool unit 13