TWI683731B - Mechanical gas/electric screwdriver torque display device - Google Patents
Mechanical gas/electric screwdriver torque display device Download PDFInfo
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Abstract
本發明係提供一種機械式氣/電動起子扭力顯示裝置，係組設於該氣/電動起子之頭部，為一開放/保護式兼具且可自由切換者，該開放式適合需快速調整扭力的工廠；該保護式則適合長期需使用固定扭力，且可防止現場作業人員擅自調整扭力值；特別是不論那種型式之扭力顯示裝置均可輕易地讀取氣/電動起子之目前設定值，且符合ISO管理規定，並可以定期做校正功能；尤其可視需求任意調整扭力值，且即時顯示目前設定或已調整完之扭力值，達到省去經扭力測試機之校正時間之功效。 The invention provides a mechanical gas/electric screwdriver torque display device, which is set on the head of the gas/electric screwdriver, and is an open/protective type and can be switched freely. The open type is suitable for quick torque adjustment The factory is suitable for long-term need to use fixed torque, and can prevent the on-site operator from adjusting the torque value without authorization; especially the type of torque display device can easily read the current setting value of the gas/electric screwdriver, It also conforms to the ISO management regulations and can be regularly calibrated; in particular, the torque value can be adjusted arbitrarily according to needs, and the torque value currently set or adjusted can be displayed in real time to achieve the effect of eliminating the calibration time of the torque tester.
Description
本發明係涉及一種外調扭力式之氣/電動起子之機構設計，特別是指一種機械式氣/電動起子扭力顯示裝置。 The invention relates to a mechanism design of an externally adjusted torque type gas/electric screwdriver, in particular to a mechanical gas/electric screwdriver torque display device.
按，鎖附螺絲時，依據不同尺寸的螺絲而對應相當的扭力值，係稱之為扭矩或扭力T(Torque)。以常用的小尺寸螺絲來說，T一般指的是鎖附的扭力，單位為Kgf-cm，習見一般材質的M3螺絲的扭力值為6.0Kgf-cm，而特殊鋼材之M3螺絲的扭力值可達14.4Kgf-cm；不同的材質，不同的摩擦係數，不同的直徑大小，就會訂定不同的扭力值。故欲使用工具起子鎖緊一螺絲時，首要工作即是訂立扭力值的大小。 When you press and lock the screws, the corresponding torque value is based on the screws of different sizes, which is called torque or torque T (Torque). For commonly used small size screws, T generally refers to the torque of the lock, the unit is Kgf-cm. The torque value of M3 screws with general materials is 6.0Kgf-cm, while the torque value of M3 screws for special steels can be Up to 14.4Kgf-cm; different materials, different friction coefficients, different diameters, different torque values will be set. Therefore, when you want to use a screwdriver to tighten a screw, the first task is to establish the torque value.
目前市售的氣/電動工具，除價格極高的數位電子式數字顯示的扭力起子外，市場上並無便宜的簡易機械式扭力值顯示參考尺值表，只有粗略的1-10的大小值，無法顯示操作人員目前設定的扭力值大小，必須使用扭力測試機(Torque meter)來加以校正，既麻煩又費時費力；其次，操作者因無法即時知道所使用工具的扭力值大小，會造成鎖附作業實施上之種種不便；再者，該扭力測試機(Torque meter)之價格昴貴，對於一般使用者甚至是開發中國家生產的產品，可謂非必需品。 Currently available gas/electric tools, except for the extremely expensive digital electronic digital display torque driver, there is no cheap simple mechanical torque value display reference scale table, only a rough size value of 1-10 , The torque value currently set by the operator cannot be displayed, and must be corrected using a torque tester (Torque meter), which is troublesome and time-consuming; secondly, the operator cannot know the torque value of the tool used immediately, which will cause lock Attached to the inconveniences in the implementation of the operation; in addition, the price of the Torque meter is extremely expensive, and it is a non-essential product for the general users and even products produced in developing countries.
本發明之主要目的在於提供一種機械式氣/電動起子扭力 顯示裝置，其可輕易地讀取氣/電動起子之目前扭力設定值，且符合ISO管理規定，並可以定期做校正功能。 The main purpose of the present invention is to provide a mechanical gas/electric screwdriver torque The display device can easily read the current torque setting value of the gas/electric screwdriver, and conforms to the ISO management regulations, and can periodically perform calibration functions.
本發明之另一目的在於提供一種機械式氣/電動起子扭力顯示裝置，其可視需求任意調整扭力值，且即時顯示目前設定或已調整完之扭力值，達到省去經扭力測試機之校正時間之功效。 Another object of the present invention is to provide a mechanical gas/electric screwdriver torque display device, which can arbitrarily adjust the torque value according to demand, and instantly display the torque value currently set or adjusted, so as to save the correction time by the torque tester Of efficacy.
為達成上述種種目的，本發明提供一種機械式氣/電動起子扭力顯示裝置，為一種兼具開放式及保護式者，其中該開放式之扭力顯示裝置適合需快速調整扭力的工廠，該保護式之扭力顯示裝置適合長期需使用固定扭力，且可防止現場作業人員擅自調整扭力值，兩者可自由切換。 In order to achieve the above-mentioned objectives, the present invention provides a mechanical gas/electric screwdriver torque display device, which is both an open type and a protective type, wherein the open type torque display device is suitable for factories that need to quickly adjust the torque, the protective type The torque display device is suitable for the long-term need to use fixed torque, and can prevent the on-site operator from adjusting the torque value without permission, and the two can be freely switched.
該扭力顯示裝置，係組設於該氣/電動起子之頭部，其組成包括有：一數字轉環，周面標示有刻度數字；一扭力調整環，係一具有大、小異徑構成之階級狀套筒，可提供該數字轉環套設於小徑周面上做軸向位移，並設定可達成之扭力期望值；一上外座螺帽，螺合於該扭力調整環一端，防止該數字轉環脫落；及一護套，可軸向結合罩覆整個扭力調整環上且可自由地轉動，並在周面上設有一鏤空的外視窗，藉由轉動該護套使該外視窗對應並清楚完整地看到該數字轉環上刻度環貼紙周面代表扭力值之刻度數字落在內視窗內並對準重合扭力刻度指示線，達到調整所需之扭力值。 The torque display device is set on the head of the gas/electric screwdriver, and its composition includes: a digital swivel ring with scale numbers on the peripheral surface; a torque adjustment ring, which is composed of large and small different diameters The stepped sleeve can provide the digital swivel sleeve on the small diameter peripheral surface for axial displacement and set the expected torque value; an upper outer nut is screwed to one end of the torque adjustment ring to prevent the The digital swivel is detached; and a sheath can be axially combined to cover the entire torque adjustment ring and can be freely rotated, and a hollow outer window is provided on the peripheral surface, and the outer window is corresponded by turning the sheath And clearly and completely see that the scale number on the circumference of the scale ring sticker on the digital swivel ring represents the torque value. The scale number falls in the inner window and is aligned with the coincident torque scale indicator line to achieve the required torque value for adjustment.
上述該扭力調整環之小徑端緣設有螺紋、周面設有一鏤空之內視窗，於大徑端緣周面則設有一定位孔，復穿設有一定位螺絲。 The small-diameter end edge of the torque adjusting ring is provided with a screw thread, a hollow inner window is provided on the peripheral surface, a positioning hole is provided on the peripheral surface of the large-diameter end edge, and a positioning screw is repeatedly penetrated.
上述該扭力調整環之階級面設有相對之一組槽孔，該槽孔內均設有彈簧及定位銷，於該數字轉環相對該階級面之端緣表面環設有多數 的凹槽，該定位銷可選擇性伸入該任一凹槽內形成卡抵。 The class surface of the torque adjusting ring is provided with a set of opposite slots, and springs and positioning pins are provided in the slots, and a plurality of rings are provided on the end surface of the digital rotating ring opposite to the class surface The groove, the positioning pin can selectively extend into any groove to form a snap.
上述該護套採軟性橡膠製成，可為透明或不透明型式，且可進一步以不同材質製成且配設有不同顏色。 The above-mentioned sheath is made of soft rubber, and can be transparent or opaque, and can be further made of different materials and equipped with different colors.
上述該內視窗之形狀可為任意幾何形狀，如圓形、多邊形等。 The shape of the inner window can be any geometric shape, such as a circle or a polygon.
上述該外視窗之形狀可為任意幾何形狀，如圓形、多邊形等。 The shape of the above-mentioned outer window can be any geometric shape, such as a circle or a polygon.
本發明上述設計之各種不同型式之扭力顯示裝置，所達成之期預功效包括：一、可快速簡單地讀取到氣/電動起子之扭力設定值數字；二、具有可隨時校正扭力值之功效；三、可直接得知所使用氣/電動起子之扭力值數字並直接進行所需鎖附作業，免除購買昂貴扭力測試機設備；四、可長期使用固定扭力，且可防止現場實施人員擅自調整氣/電動起子之扭力值；五、可即時顯示實施人員目前所使用氣/電動起子之設定的扭力值，省去須使用扭力測試機測試或調整的時間。 The various types of torque display devices designed according to the present invention, the expected pre-effects achieved include: 1. The torque setting value of the gas/electric screwdriver can be quickly and easily read; 2. The torque value can be corrected at any time. Three, can directly know the torque value of the gas/electric screwdriver used and directly perform the required locking operation, avoiding the purchase of expensive torque testing machine equipment; Fourth, can use fixed torque for a long time, and can prevent the on-site implementation personnel from adjusting Torque value of gas/electric screwdriver; 5. It can instantly display the torque value of the gas/electric screwdriver currently used by the implementation personnel, eliminating the time for testing or adjustment using a torque tester.
(1)‧‧‧扭力顯示裝置 (1)‧‧‧ Torque display device
(11)‧‧‧數字轉環 (11)‧‧‧Digital Ring
(111)‧‧‧內刻度環 (111)‧‧‧Inner scale ring
(112)‧‧‧刻度環貼紙 (112)‧‧‧Scale ring sticker
(113)‧‧‧外刻度環 (113)‧‧‧External scale ring
(114)‧‧‧刻度數字 (114) ‧‧‧ scale numbers
(115)‧‧‧凹槽 (115)‧‧‧groove
(12)‧‧‧扭力調整環 (12)‧‧‧Torque adjustment ring
(121)‧‧‧螺紋 (121)‧‧‧Thread
(122)‧‧‧內視窗 (122)‧‧‧Inner window
(123)‧‧‧定位孔 (123)‧‧‧Locating hole
(124)‧‧‧定位螺絲 (124)‧‧‧Set screw
(125)‧‧‧槽孔 (125)‧‧‧Slot
(126)‧‧‧彈簧 (126)‧‧‧Spring
(127)‧‧‧定位銷 (127)‧‧‧positioning pin
(13)‧‧‧上外座螺帽 (13)‧‧‧Outer nut
(14)‧‧‧護套 (14)‧‧‧Sheath
(141)‧‧‧外視窗 (141)‧‧‧External window
(2)‧‧‧氣/電動起子 (2)‧‧‧Gas/electric screwdriver
(21)‧‧‧扭力筒 (21)‧‧‧Torque tube
(211)‧‧‧扭力刻度指示線 (211)‧‧‧Torque scale indicating line
第一圖係本發明一較佳實施例之扭力顯示裝置分解示意圖。 The first figure is an exploded schematic view of a torque display device according to a preferred embodiment of the present invention.
第二圖係本發明另一較佳實施例之扭力顯示裝置分解示意圖。 The second figure is an exploded schematic view of a torque display device according to another preferred embodiment of the present invention.
第三圖係本發明一較佳實施例之扭力顯示裝置組合圖。 The third figure is a combination diagram of a torque display device according to a preferred embodiment of the present invention.
第四圖係本發明一較佳實施例之扭力顯示裝置組合暨局部剖視圖。 The fourth figure is a partial cross-sectional view of a combination of a torque display device according to a preferred embodiment of the present invention.
第五圖係本發明一較佳實施例之A-A剖視圖。 The fifth figure is an A-A sectional view of a preferred embodiment of the present invention.
請配合參閱第一、二圖所示，本發明所設計之機械式氣/電動起子扭力顯示裝置，該扭力顯示裝置(1)係組設於一般氣/電動起子 (2)之頭部(相當於扭力筒)位置，如第一圖所揭示係組設於氣動起子，第二圖所揭示係組設於電動起子，且皆具有開放式及保護式兩種型態且可替換使用。其中該開放式適合需快速調整扭力的工廠；該保護式則適合長期需使用固定扭力，且可防止現場作業人員擅自調整扭力值。 Please refer to the first and second figures, the mechanical gas/electric screwdriver torque display device designed by the present invention, the torque display device (1) is set in a general gas/electric screwdriver (2) The position of the head (equivalent to the torsion cylinder), as shown in the first figure, is set on the pneumatic screwdriver, and the second figure is set on the electric screwdriver, and they are both open and protected. It can be used interchangeably. Among them, the open type is suitable for factories that need to quickly adjust torque; the protective type is suitable for long-term need to use fixed torque, and can prevent on-site operators from adjusting torque value without authorization.
請接續參閱第一~三圖所示，係本發明一較佳實施例之機械式氣/電動起子扭力顯示裝置，該扭力顯示裝置(1)可為開放式或保護式；其中該扭力刻度指示線(211)係設置在該氣/電動起子(2)上。該扭力顯示裝置(1)之具體實施型態則是包括有：一數字轉環(11)，係由一內刻度環(111)、刻度環貼紙(112)及外刻度環(113)所構成，該刻度環貼紙(112)為透明材質製成且周面標示有刻度數字(114)；一扭力調整環(12)，係一具有大、小異徑構成之階級狀套筒，可提供該數字轉環(11)套設於小徑周面上做軸向位移，並提供設定可達成之扭力期望值，又於該扭力調整環之小徑端緣設有螺紋(121)、周面設有一呈任意幾何形狀(如圓形、多邊形等)且為鏤空之內視窗(122)，於大徑端緣周面則設有一定位孔(123)，復穿設有一定位螺絲(124)，提供該扭力調整環(12)調整後之固定作用；一上外座螺帽(13)，螺合於該小徑端緣之螺紋(121)形成固定，防止該數字轉環(11)脫落；一護套(14)，係由軟性橡膠製成，可軸向結合罩覆整個扭力調整環(12)上且可自由地轉動，並在該護套(14)周面上設有一採任意幾何形狀(如圓形、多邊形等)且為鏤空的外視窗(141)；藉由轉動該護套(14)使該外視窗(141)對應並清楚完整地看到該數字轉環(11)上刻度環貼紙(112)周面代表扭力值之刻度數字(1 14)落在該內視窗(122)內並對準重合該扭力刻度指示線(211)，達到調整所需之扭力值。 Please refer to the first to third figures, which is a mechanical gas/electric screwdriver torque display device according to a preferred embodiment of the present invention. The torque display device (1) may be open or protected; wherein the torque scale indicates The wire (211) is arranged on the gas/electric screwdriver (2). The specific implementation type of the torque display device (1) includes: a digital swivel (11), which is composed of an inner scale ring (111), a scale ring sticker (112) and an outer scale ring (113) , The scale ring sticker (112) is made of transparent material and marked with a scale number (114) on the circumference; a torque adjustment ring (12) is a stepped sleeve with large and small different diameters. The digital swivel (11) is sleeved on the peripheral surface of the small diameter for axial displacement, and provides the expected torque value that can be achieved, and a thread (121) is provided on the small diameter end of the torque adjustment ring, and a It is an inner window (122) of any geometric shape (such as a circle, polygon, etc.) and hollowed out. A positioning hole (123) is provided on the peripheral surface of the large-diameter end edge. The fixed effect of the torque adjustment ring (12) after adjustment; an upper outer nut (13) is screwed to the thread (121) of the small-diameter end to form a fixation to prevent the digital swivel (11) from falling off; a guard The sleeve (14) is made of soft rubber, can be axially combined to cover the entire torque adjustment ring (12) and can freely rotate, and is provided with a random geometric shape on the peripheral surface of the sheath (14) ( (Such as round, polygonal, etc.) and a hollow outer window (141); by rotating the sheath (14), the outer window (141) corresponds to and clearly and completely see the scale ring on the digital swivel (11) The scale on the circumference of the sticker (112) represents the torque value (1 14) Fall within the inner window (122) and align the indicator line (211) that coincides with the torque scale to achieve the required torque value for adjustment.
如第四、五圖所示，該扭力調整環(12)之階級面設有相對之一組槽孔(125)，該槽孔(125)內均設有彈簧(126)及定位銷(127)，於該數字轉環(11)相對該階級面之端緣表面環設有多數的凹槽(115)，該定位銷(127)可選擇性伸入該任一凹槽(115)內形成卡抵，達到限制該數字轉環(11)轉動之效用。 As shown in the fourth and fifth figures, the level surface of the torque adjusting ring (12) is provided with a set of opposite slots (125), and the slots (125) are provided with springs (126) and positioning pins (127) ), a plurality of grooves (115) are provided on the edge surface ring of the digital swivel (11) opposite to the class surface, and the positioning pin (127) can be selectively extended into any groove (115) to form The card reaches the limit to limit the rotation of the digital rotating ring (11).
其次，依據上述之扭力顯示裝置，當氣、電動起子使用一段時間後，為防止扭力值數字與實際扭力值有誤差，定期校正扭力值是必要且符合目前生產管理作業標準，因此，本發明提供之扭力顯示裝置同時兼具有方便扭力值的校正調整。 Secondly, according to the above-mentioned torque display device, when the gas and electric screwdrivers are used for a period of time, in order to prevent the error between the torque value and the actual torque value, regular correction of the torque value is necessary and meets the current production management operation standards. Therefore, the present invention provides The torque display device also has convenient correction and adjustment of the torque value.
本發明係兼具開放式及保護式之扭力顯示裝置，其差異在於：裝上有護套(14)，即成為保護式之扭力顯示裝置(1)，反之，無護套(14)則成為開放式之扭力顯示裝置(1)。藉此在使用上可使氣/電動起子(2)有易讀取預設扭力值或目前正在使用之扭力值；尤其是當做為保護式之扭力顯示裝置(1)實施時，因外部具有護套(14)，可防止任何人隨意變更扭力值，對於品質管理嚴謹的工廠及對扭力值有精密要求的客戶是有益且符合需求的。 The present invention is an open and protective torque display device. The difference is that the protective cover (14) becomes the protective torque display device (1), otherwise, the protective cover (14) becomes Open torque display device (1). In this way, the gas/electric screwdriver (2) can easily read the preset torque value or the torque value currently in use; especially when it is implemented as a protective torque display device (1), due to external protection The set (14) can prevent anyone from changing the torque value arbitrarily, which is beneficial to the factories with strict quality management and customers who have precise requirements on the torque value and meet the needs.
承上述，當實施校正時，先旋轉數字轉環(11)並注視內視窗(122)，以轉到使用者所需要的扭力值，即所需扭力值之刻度數字(114)會重疊位於該內視窗(122)裡；接著轉動該扭力調整環(12)，眼腈持續注視內視窗(122)內之扭力數值，轉動到所需的扭力值 後，即透過該內視窗(122)對應到內部氣、電動起子之扭力刻度指示線(112)上，便停止轉動該扭力調整環(12)並利用鎖緊定位螺絲(124)卡住定位孔(123)，即可完成實際扭力值之設定。 According to the above, when performing calibration, first rotate the digital swivel (11) and look at the inner window (122) to turn to the torque value required by the user, that is, the scale number (114) of the required torque value will overlap on this In the inner window (122); then turn the torque adjustment ring (12), the eye continues to watch the torque value in the inner window (122) and rotate to the desired torque value After that, through the inner window (122) corresponding to the torque scale indicator line (112) of the internal gas and electric screwdriver, the rotation of the torque adjustment ring (12) is stopped and the positioning hole is locked with the locking positioning screw (124) (123), you can complete the setting of the actual torque value.
上述採軟性橡膠製成之護套(14)，可為透明或不透明型式，亦可進一步以不同材質製成且配設有顏色，藉此可運用在生產線，做產線不同扭力值顏色區別差異管理。 The above-mentioned sheath (14) made of soft rubber can be transparent or opaque, or it can be further made of different materials and equipped with colors, so that it can be used in the production line to make the difference in color of different torque values of the production line. management.
歸納以上說明可知，本發明之扭力顯示裝置具有如下述之優點在於：1.開放式之扭力顯示裝置適合低階螺鎖工具，保護式之扭力顯示裝置則適合高階螺鎖工具。2.該兩種不同型式之扭力顯示裝置皆具有易操作、易判斷且易讀取扭力數值，以及能避免誤判之功效。3.該扭力顯示裝置擁有三種防護制機能，包括：防止無關人員轉動、易快速調整扭力值、防止工件及工具撞傷之功效。4.橡膠護套設置不同顏色，可用在生產線做產線不同扭力值之顏色區別差異管理。5.市售任何開放型、保護型之外調扭力式的氣、電動起子均可適用。 Summarizing the above description, it can be seen that the torque display device of the present invention has the following advantages: 1. The open-type torque display device is suitable for low-order screw tools, and the protective torque display device is suitable for high-order screw tools. 2. The two different types of torque display devices are easy to operate, easy to judge and easy to read the torque value, and can avoid misjudgment. 3. The torque display device has three kinds of protective functions, including: preventing the rotation of unrelated persons, easy to quickly adjust the torque value, and preventing the work piece and tool from being injured. 4. The rubber sheath is set in different colors, which can be used in the production line to manage the color difference of different torque values of the production line. 5. Any commercially available open and protective torque-adjustable pneumatic and electric screwdrivers are applicable.
惟，以上所述者，僅係本發明較佳可行之實施例而已，故舉凡應用本發明說明書及申請專利範圍所為之等效結構變化，理應包含在本發明之專利範圍內。 However, the above are only preferred and feasible embodiments of the present invention. Therefore, any equivalent structural changes that apply to the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.
(1)‧‧‧扭力顯示裝置 (1)‧‧‧ Torque display device
(11)‧‧‧數字轉環 (11)‧‧‧Digital Ring
(111)‧‧‧內刻度環 (111)‧‧‧Inner scale ring
(112)‧‧‧刻度環貼紙 (112)‧‧‧Scale ring sticker
(113)‧‧‧外刻度環 (113)‧‧‧External scale ring
(114)‧‧‧刻度數字 (114) ‧‧‧ scale numbers
(12)‧‧‧扭力調整環 (12)‧‧‧Torque adjustment ring
(121)‧‧‧螺紋 (121)‧‧‧Thread
(122)‧‧‧內視窗 (122)‧‧‧Inner window
(123)‧‧‧定位孔 (123)‧‧‧Locating hole
(124)‧‧‧定位螺絲 (124)‧‧‧Set screw
(125)‧‧‧槽孔 (125)‧‧‧Slot
(126)‧‧‧彈簧 (126)‧‧‧Spring
(127)‧‧‧定位銷 (127)‧‧‧positioning pin
(13)‧‧‧上外座螺帽 (13)‧‧‧Outer nut
(14)‧‧‧護套 (14)‧‧‧Sheath
(141)‧‧‧外視窗 (141)‧‧‧External window
(2)‧‧‧氣/電動起子 (2)‧‧‧Gas/electric screwdriver
(21)‧‧‧扭力筒 (21)‧‧‧Torque tube
(211)‧‧‧扭力刻度指示線 (211)‧‧‧Torque scale indicating line
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108117533A TWI683731B (en) | 2019-05-21 | 2019-05-21 | Mechanical gas/electric screwdriver torque display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW108117533A TWI683731B (en) | 2019-05-21 | 2019-05-21 | Mechanical gas/electric screwdriver torque display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI683731B true TWI683731B (en) | 2020-02-01 |
| TW202042980A TW202042980A (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW108117533A TWI683731B (en) | 2019-05-21 | 2019-05-21 | Mechanical gas/electric screwdriver torque display device |
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| Country | Link |
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| TW (1) | TWI683731B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6575042B1 (en) * | 2002-02-13 | 2003-06-10 | Beere Precision Medical Instruments, Inc. | Beam-type torsion applying and measuring tool |
| CN2836998Y (en) * | 2005-08-30 | 2006-11-15 | 王俊富 | A screw drive capable of setting torsion force |
| TW201109128A (en) * | 2009-07-07 | 2011-03-16 | Mountz Inc | Multi-scale mechanism |
| CN102431001A (en) * | 2011-10-24 | 2012-05-02 | 深圳市特力德精密工具有限公司 | Digital display screwdriver |
| TWM463636U (en) * | 2013-03-26 | 2013-10-21 | Yu-Lan Laili | Torque wrench displaying torque value |
| TWM510821U (en) * | 2015-02-16 | 2015-10-21 | Kabo Tool Co | Torque screwdeiver |
| TWM543755U (en) * | 2017-03-20 | 2017-06-21 | Hong-Wen Huang | Torque tool |
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2019
- 2019-05-21 TW TW108117533A patent/TWI683731B/en active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6575042B1 (en) * | 2002-02-13 | 2003-06-10 | Beere Precision Medical Instruments, Inc. | Beam-type torsion applying and measuring tool |
| CN2836998Y (en) * | 2005-08-30 | 2006-11-15 | 王俊富 | A screw drive capable of setting torsion force |
| TW201109128A (en) * | 2009-07-07 | 2011-03-16 | Mountz Inc | Multi-scale mechanism |
| CN102431001A (en) * | 2011-10-24 | 2012-05-02 | 深圳市特力德精密工具有限公司 | Digital display screwdriver |
| TWM463636U (en) * | 2013-03-26 | 2013-10-21 | Yu-Lan Laili | Torque wrench displaying torque value |
| TWM510821U (en) * | 2015-02-16 | 2015-10-21 | Kabo Tool Co | Torque screwdeiver |
| TWM543755U (en) * | 2017-03-20 | 2017-06-21 | Hong-Wen Huang | Torque tool |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202042980A (en) | 2020-12-01 |
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