TWM611912U - Two-way ratchet wrench structure - Google Patents
Two-way ratchet wrench structure Download PDFInfo
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- TWM611912U TWM611912U TW110201022U TW110201022U TWM611912U TW M611912 U TWM611912 U TW M611912U TW 110201022 U TW110201022 U TW 110201022U TW 110201022 U TW110201022 U TW 110201022U TW M611912 U TWM611912 U TW M611912U
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Abstract
一種雙向棘輪扳手,該雙向棘輪扳手包含一把手單元、一定位扣環、一第一掣動塊、一第二掣動塊、一彈性元件及一棘輪頭。該把手單元包括一環溝及一凹穴。該定位扣環可被彈撐地設置於該環溝。該第一掣動塊、該第二掣動塊可被彈壓地疊置在該凹穴。該棘輪頭的外周面形成有一棘齒部及一定位凹溝,該棘輪頭可沿一頂底方向在一第一位置及一第二位置間移動,在該第一位置時,該定位凹溝滑接於該定位扣環,且該第一掣動塊嚙合於該棘齒部,在該第二位置時,該定位凹溝脫離該定位扣環,該第二掣動塊嚙合於該棘齒部。 A two-way ratchet wrench includes a handle unit, a positioning buckle, a first detent block, a second detent block, an elastic element and a ratchet head. The handle unit includes a ring groove and a recess. The positioning buckle can be elastically arranged in the ring groove. The first detent block and the second detent block can be elastically stacked on the cavity. The outer peripheral surface of the ratchet head is formed with a ratchet tooth portion and a positioning groove. The ratchet head can move between a first position and a second position along a top and bottom direction. In the first position, the positioning groove Slidably connected to the positioning buckle, and the first detent block is engaged with the ratchet part, in the second position, the positioning groove is separated from the positioning buckle, and the second detent block is engaged with the ratchet unit.
Description
本創作是有關於一種手工具,特別是指一種雙向棘輪扳手。 This creation is about a hand tool, especially a two-way ratchet wrench.
參閱圖1與圖2,現有的一種雙向棘輪扳手1包括一本體11、一棘輪12、兩個棘齒塊13、兩個壓縮彈簧14、一換向鈕15,及一底板(圖未示)。該本體11具有一位於前端的容置槽110,該棘輪12可轉動地安裝在該容置槽110,並用來套接一工具頭16。該等棘齒塊13左右對稱設置於該容置槽110內,每一棘齒塊13可樞轉地設置於該本體11且用來與該棘輪12嚙合,該等壓縮彈簧14分別彈抵於該等棘齒塊13與該本體11間,且該等壓縮彈簧14分別提供該等棘齒塊13恆向該棘輪12移動的勢能。該換向鈕15可轉動地安裝於該本體11且選擇性地推頂其中一該棘齒塊13而使之脫離該棘輪12,該換向鈕15具有一推抵弧面151及兩個相向傾斜的抵靠面152,該推抵弧面151用來推動該等棘齒塊13,該等抵靠面152分別用來供該等棘齒塊13抵靠。該底板可拆卸地安裝在該本體11且封閉該容置槽110並供該工具頭16穿過。
1 and 2, the existing two-
如圖1所示,當該換向鈕15撥動至該推抵弧面151推抵於右側的該棘齒塊13時,右側的該棘齒塊13會脫離該棘輪12,且左側的該棘齒塊13與該棘輪12互相嚙合,此時,該棘輪12可繞順時針單向旋動;相反地,如圖2所示,當該換向鈕15撥動至該推抵弧面151推抵於左側的該棘齒塊13時,左側的該棘齒塊13脫離該棘輪12,右側的該棘齒塊13與該棘輪12互相嚙合,此時,該棘輪12可繞逆時針單向旋動。
As shown in Fig. 1, when the
雖然該雙向棘輪扳手1具有上述使用特性,但除了達成該棘輪12單向旋動的必要元件外,還需要封閉該容置槽110的該底板,以及用來固定該底板與該換向鈕15的數個螺絲(圖未示),不僅元件數量較多,造成組裝工序多,組裝時間也較長。
Although the two-
【創作內容】 [Creation content]
因此,本創作的目的,即在提供一種結構簡單且能簡化組裝工序的雙向棘輪扳手。 Therefore, the purpose of this creation is to provide a two-way ratchet wrench that has a simple structure and can simplify the assembly process.
於是,本創作雙向棘輪扳手,包含一把手單元、一定位扣環、一第一掣動塊、一第二掣動塊,及一棘輪頭。 Therefore, the two-way ratchet wrench of this creation includes a handle unit, a positioning buckle, a first detent block, a second detent block, and a ratchet head.
該把手單元具有由一內壁面圍繞界定出的一棘輪槽,該內壁面具有一環繞設置且由該棘輪槽徑向朝外延伸的環溝,及一與該棘輪槽相連通的凹穴,該環溝與該凹穴在一頂底方向上間隔設置。該定位扣環配合該環溝的形狀且可被彈撐地設置於該環溝。該 第一掣動塊可被彈壓地設置在該凹穴。該第二掣動塊可被彈壓地設置在該凹穴且沿該頂底方向疊置於該第一掣動塊。 The handle unit has a ratchet groove surrounded and defined by an inner wall surface, the inner wall has a circumferential groove extending radially outward from the ratchet groove, and a cavity communicating with the ratchet groove. The ring groove and the cavity are spaced apart in a top and bottom direction. The positioning buckle matches the shape of the ring groove and can be elastically arranged in the ring groove. The The first detent block can be elastically arranged in the cavity. The second detent block can be elastically arranged in the cavity and is stacked on the first detent block along the top and bottom direction.
該棘輪頭沿該頂底方向可移動地設置在該棘輪槽且包括一棘輪頭,該棘輪頭與該第一掣動塊或該第二掣動塊互相嚙合,該棘輪頭的外周面形成有一容置於該棘輪槽內的棘齒部,及一與該棘齒部在該頂底方向間隔設置的定位凹溝,該棘輪頭可被按壓地相對於該把手單元在一第一位置及一第二位置間移動,在該第一位置時,該定位凹溝滑接於該定位扣環,且該第一掣動塊嚙合於該棘齒部,並使該棘輪頭能單向轉動,在該第二位置時,該定位凹溝脫離該定位扣環,該第二掣動塊嚙合於該棘齒部,使該棘輪頭能以另一方向單向轉動。 The ratchet head is movably arranged in the ratchet groove along the top and bottom direction and includes a ratchet head, the ratchet head is meshed with the first detent block or the second detent block, and the outer peripheral surface of the ratchet head is formed with a The ratchet tooth portion accommodated in the ratchet groove, and a positioning groove spaced from the ratchet tooth portion in the top and bottom direction, the ratchet head can be pressed at a first position and a position relative to the handle unit Move between the second position. When in the first position, the positioning groove is slidably connected to the positioning buckle, and the first detent block is engaged with the ratchet part, and the ratchet head can rotate in one direction. In the second position, the positioning groove is separated from the positioning buckle, and the second detent block is engaged with the ratchet part, so that the ratchet head can rotate in another direction in one direction.
本創作之功效在於:本創作在組裝時,只要將該定位扣環、該第一掣動塊與該第二掣動塊,及該棘輪頭依序裝入該把手單元,不需螺鎖即可完成組裝,因此,本創作能簡化組裝工序、組裝速度快,且結構簡單。同時,本創作藉由該第一掣動塊與該第二掣動塊沿該頂底方向疊置的設計,只需按壓該棘輪頭,就能切換該棘輪頭的轉動方向,本創作的直覺式按壓操作相當方便。 The effect of this creation is that when assembling this creation, as long as the positioning buckle, the first locking block and the second locking block, and the ratchet head are installed in the handle unit in sequence, no screw lock is required. The assembly can be completed. Therefore, this creation can simplify the assembly process, the assembly speed is fast and the structure is simple. At the same time, this creation uses the design in which the first locking block and the second locking block are superimposed along the top and bottom direction, and the rotation direction of the ratchet head can be switched by simply pressing the ratchet head. The intuition of this creation The pressing operation is quite convenient.
1:雙向棘輪扳手 1: Two-way ratchet wrench
11:本體 11: body
110:容置槽 110: accommodating slot
12:棘輪 12: Ratchet
13:棘齒塊 13: ratchet block
14:壓縮彈簧 14: Compression spring
15:換向鈕 15: Reversing button
151:推抵弧面 151: Push to the arc
152:抵靠面 152: Abutment Surface
16:工具頭 16: Tool head
2:把手單元 2: Handle unit
21:底表面 21: bottom surface
22:頂表面 22: top surface
23:內壁面 23: inner wall
230:棘輪槽 230: Ratchet slot
231:環溝 231: ring groove
232:凹穴 232: cavities
24:外壁面 24: Outer wall
3:定位扣環 3: positioning buckle
31:圓形截斷面 31: Circular cross section
4:第一掣動塊 4: The first moving block
41:卡掣齒部 41: Detent teeth
42:容置部 42: accommodating part
43:擋壁 43: Wall
5:第二掣動塊 5: The second moving block
51:卡掣齒部 51: Click the tooth part
52:容置部 52: accommodating part
53:擋壁 53: Wall
6:棘輪頭 6: Ratchet head
61:內周面 61: inner peripheral surface
610:驅動孔 610: drive hole
62:外周面 62: Outer peripheral surface
622:擋緣 622: Shield
63:限位凹溝 63: limit groove
631:限位扣環 631: limit buckle
64:第一推抵部 64: First Push
65:棘齒部 65: Ratchet
66:擋止凹溝 66: Stop the groove
67:第二推抵部 67: Second Push
68:定位凹溝 68: positioning groove
C:軸線 C: axis
7:彈性元件 7: Elastic element
X:前後方向 X: front and back direction
Y:左右方向 Y: left and right direction
Z:頂底方向 Z: Top and bottom direction
本創作的其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中: Other features and effects of this creation will be clearly presented in the implementation with reference to the drawings, among which:
圖1是一種現有的雙向棘輪扳手的一操作示意圖,說明轉動一換向鈕並使右側的一棘齒塊脫離一棘輪,且左側的一棘齒塊與該棘輪互相嚙合; FIG. 1 is an operation schematic diagram of a conventional two-way ratchet wrench, illustrating that a reversing button is rotated to disengage a ratchet block on the right side from a ratchet wheel, and a ratchet block on the left side meshes with the ratchet wheel;
圖2是該現有的雙向棘輪扳手的一操作示意圖,說明反向轉動該換向鈕並使左側的該棘齒塊脫離該棘輪,且右側的該棘齒塊與該棘輪互相嚙合; 2 is a schematic diagram of the operation of the conventional two-way ratchet wrench, illustrating that the reverse rotation of the reversing button causes the ratchet block on the left to disengage from the ratchet, and the ratchet block on the right to mesh with the ratchet;
圖3是本創作雙向棘輪扳手的創作的一張不完整的分解圖,說明該創作的一棘輪頭安裝在一把手單元; Figure 3 is an incomplete exploded view of the creation of the two-way ratchet wrench in this creation, illustrating that a ratchet head of the creation is installed in a handle unit;
圖4是一張本創作的第一掣動塊、一第二掣動塊及彈性元件的分解立體圖; Figure 4 is an exploded perspective view of the first detent block, a second detent block and elastic elements of this creation;
圖5是一張不完整的俯視圖,說明本創作的一第一掣動塊及一第二掣動塊安裝在該把手單元; Figure 5 is an incomplete top view illustrating the installation of a first moving block and a second moving block in the handle unit;
圖6是一張俯視圖,說明該第一掣動塊、第二掣動塊及該彈性元件的組合立體圖; Figure 6 is a top view illustrating a combined perspective view of the first detent block, the second detent block and the elastic element;
圖7是一張不完整的局部剖視圖,說明該棘輪頭的一棘輪頭相對於該把手單元移動至一第一位置,且該第一掣動塊嚙合於該棘輪頭,該棘輪頭的一定位凹溝滑接於一定位扣環; Figure 7 is an incomplete partial cross-sectional view illustrating that a ratchet head of the ratchet head moves to a first position relative to the handle unit, and the first detent block is engaged with the ratchet head, a positioning of the ratchet head The groove is slidingly connected to a positioning buckle;
圖8是一張類似於圖5的視圖,說明該棘輪頭位於該第二位置時,該第二掣動塊嚙合於該棘輪頭; Figure 8 is a view similar to Figure 5, illustrating that when the ratchet head is in the second position, the second detent block is engaged with the ratchet head;
圖9是一張類似於圖7的視圖,說明該棘輪頭位於該第二位置 時,該棘輪頭的一擋止凹溝滑接於該定位扣環。 Figure 9 is a view similar to Figure 7 illustrating that the ratchet head is in the second position At this time, a blocking groove of the ratchet head is slidably connected to the positioning buckle.
在本創作被詳細描述前,應當注意在以下的說明內容中,類似的元件是以相同的編號來表示。其中,為了清楚描述方位或方向,以下提及方位或方向時是以所參閱的圖式做方位的參照,如述及右側時,即指所參閱圖式的右側。 Before this creation is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers. Among them, in order to clearly describe the orientation or direction, when referring to the orientation or direction below, the reference to the orientation is used as the reference. For example, when the right side is mentioned, it refers to the right side of the referenced image.
參閱圖3至圖5,本創作雙向棘輪扳手的創作,包含一把手單元2、一定位扣環3、一第一掣動塊4、一第二掣動塊5、一彈性元件7及一棘輪頭6,其中:
Refer to Figures 3 to 5, the creation of the two-way ratchet wrench in this creation includes a
該把手單元2,具有在一頂底方向Z上反向設置的一底表面21與一頂表面22,及連接於該底表面21、該頂表面22且反向設置的一內壁面23與一外壁面24。該內壁面23圍繞界定出一棘輪槽230,該棘輪槽230沿該頂底方向Z延伸且貫穿該底表面21與該頂表面22。該內壁面23還具有一全周環繞的環溝231及一凹穴232,該環溝231鄰近於該頂表面22且由該棘輪槽230徑向朝外延伸,該凹穴232鄰近於該底表面21且與該環溝231在該頂底方向Z上間隔設置,該凹穴232沿一前後方向X由該棘輪槽230朝後延伸,該凹穴232實質上呈圓弧狀且與該棘輪槽230相連通。在本創作中,該凹穴232低於該環溝231,但在其他變化例中,該凹穴232與該環溝231
的高度位置也能互換,且該凹穴232也能改在該把手單元2的前側,因此,該凹穴232與該環溝231的位置並非本創作的限制,則該些位置變化皆應隸屬於本創作的範疇。
The
配合參閱圖7,該定位扣環3配合該環溝231的形狀且可被彈撐地安裝於該環溝231,較佳地,該定位扣環3是一種圓料的C型扣環且具有兩個間隔相對的圓形截斷面31,藉由施加作用力於該定位扣環3並使該等圓形截斷面31互相遠離,釋放作用力後的該等圓形截斷面31會互相靠近回復原狀,使該定位扣環3具有彈性而能被彈撐。但在其他變化例中,該定位扣環3也能是扁料的C型扣環,其截斷面形狀並非本創作的限制。
With reference to Figure 7, the
配合參閱圖3至圖6,該第一掣動塊4係設置在該凹穴232內並可相對於該凹穴232移動,該第一掣動塊4具有一卡掣齒部41及一位於該卡掣齒部41相反側的容置部42,該第一掣動塊4於容置部42封閉端形成有一擋壁43。
With reference to Figures 3 to 6, the
該第二掣動塊5亦設置在該凹穴232內且沿該頂底方向疊置於該第一掣動塊4上,並與該第一掣動塊4呈反向設置,亦可相對於該凹穴232移動,該第二掣動塊5亦具有一卡掣齒部51及一位於該卡掣齒部51相反側的容置部52,該第一掣動塊5於容置部52封閉端形成有一擋壁53。
The
該彈性元件7係共同安裝於該第一掣動塊4的容置部42
及該第二掣動塊5的容置部52內,用來分別彈推該第一掣動塊4及第二掣動塊5,使該彈性元件7兩端分別抵頂於第一掣動塊4之擋壁43及第二掣動塊5之擋壁53上,本實施例中,該彈性元件7係為一矩形狀的壓縮螺旋彈簧且沿一左右方向Y延伸,使其體積恰為該第一掣動塊4之容置部42與該第二掣動塊5之容置部52所共同圍成的容置空間,藉此,使該彈性元件7分別具有恆推動該第一掣動塊41及第二掣動塊51的勢能。
The
該棘輪頭6沿一軸線C安裝於該把手單元2且可沿該頂底方向Z相對於該把手單元2移動,該軸線C實質上平行於該頂底方向Z,該棘輪頭6可轉動地設置在該棘輪槽230內,且該棘輪頭6可操作地沿該頂底方向Z相對於該把手單元2移動,並與該第一掣動塊4或該第二掣動塊5互相嚙合,藉此,切換該棘輪頭6的單向轉動方向。
The
在本創作中,該棘輪頭6是一種棘輪套筒,該棘輪頭6包含反向設置的一內周面61及一外周面62。該內周面61圍繞該軸線C並界定出一個非圓形的驅動孔610,該驅動孔610為單一尺寸的多邊形孔。該外周面62具有由底側至頂側依序設置且全周環繞的一限位凹溝63、一第一推抵部64、一棘齒部65、一擋止凹溝66、一第二推抵部67、一定位凹溝68及一擋緣622。該第一推抵部64與該第二推抵部67的外徑均大於該棘齒部65的最大外徑,該第一推抵部64與該第二推抵部67分別位於該棘齒部65的兩相反側,該定位凹
溝68的外徑實質上等於該擋止凹溝66的外徑,該定位凹溝68的外徑小於該棘齒部65的最大外徑,該擋緣622的外徑大於該棘輪槽230的內徑。該棘齒部65容置於該棘輪槽230內且與該第一掣動塊4或該第二掣動塊5嚙合,一限位扣環631可卸離地設置於該限位凹溝63,該限位扣環631是一種扁料的C型扣環且橫截面呈非圓形,例如矩形。但在其他變化例中,該定位扣環631也能是扁料的C型扣環,只要其外徑更大於該棘輪槽230的內徑,而可阻止該棘輪頭6脫出,同樣能達到限位作用。
In this creation, the
以下先說明本創作的組裝方式,請配合圖3與圖7: The following first explains the assembly method of this creation, please cooperate with Figure 3 and Figure 7:
先將該定位扣環3安裝在該把手單元2的環溝231內,再將該第一掣動塊4與該第二掣動塊5放入該凹穴232。接著,將該棘輪頭6裝入該把手單元2並使該棘輪頭6放入該棘輪槽230內。最後,將該限位扣環631套設在該限位凹溝63,即完成組裝。
The
藉由該限位扣環631與該擋緣622的外徑均大於該棘輪槽230的內徑,在組裝後能使該棘輪頭6被限位在該把手單元2而不會脫出。本創作不需要手工具及螺鎖工序,就能完成組裝,因此,能簡化組裝工序,提高組裝速度、降低製造成本。
Since the outer diameters of the limiting
接著,說明本創作的操作使用方式。 Next, explain how to use this creation.
參閱圖7與圖9,該棘輪頭6可被按壓地相對於該把手單元2在一第一位置(見圖7)及一第二位置(見圖9)間移動。
Referring to FIGS. 7 and 9, the
參閱圖5與圖7,將該棘輪頭6按壓至該第一位置時,該第一推抵部64由該底表面21朝下被推出該棘輪槽230,該限位扣環631遠離該把手單元2的底表面21,該擋緣622抵靠於該頂表面22而使該棘輪頭6被限制不能再往下移動,且該定位凹溝68滑接於該定位扣環3而達到定位,該第一掣動塊4嚙合於該棘齒部65,使該棘輪頭6能反轉旋動,同時,該第二推抵部67抵接於該第二掣動塊5並使該第二掣動塊5後退,且該彈性元件7被壓縮而具有復位的勢能。
5 and 7, when the
參閱圖8與圖9,將該棘輪頭6按壓至該第二位置時,該第二推抵部67由該頂表面22被推出該棘輪槽230,該擋緣622遠離該頂表面22,該限位扣環631抵接於該底表面21而使該棘輪頭6被限制不能再往上移動,且該定位凹溝68脫離該定位扣環3,該擋止凹溝66滑接於該定位扣環3而達到定位,該彈性元件7釋放勢能並推動該第二掣動塊5前進並嚙合於該棘齒部65,使該棘輪頭6能正轉旋動,該第一推抵部64抵接於該第一掣動塊4,並使該第一掣動塊4後退,且該彈性元件7被壓縮而具有復位的勢能。
8 and 9, when the
由於該彈性元件7的體積恰為該第一掣動塊4之容置部42與該第二掣動塊5之容置部52所共同圍成的容置空間,故當該彈性元件7受該第一掣動塊4或第二掣動塊5之推力而壓縮時,不會產生左右偏移或扭曲,且本創作只需藉由該彈性元件7即可分別推動該第一掣動塊4與該第二掣動塊5前進,而嚙合於該棘齒部65,故具
有簡化構件之優點。
Since the volume of the
在按壓該棘輪頭6以切換該棘輪頭6的轉動方向的過程中,只要施力能克服該定位扣環3的束緊力,使該第二推抵部67沿著該定位扣環3的外表面滑移並推撐該定位扣環3,該定位扣環3就能選擇性地陷入該擋止凹溝66或該定位凹溝68,而使該棘輪頭6在該第一位置與該第二位置間轉換。本創作藉由直覺式按壓操作,就能切換該棘輪頭6的轉動方向,對使用者來說相當簡單,而且單手就能操作,使用上更加便利。
In the process of pressing the
要注意的是,本創作利用該定位凹溝68與該擋止凹溝662選擇性地滑接於該定位扣環3,而具有雙邊定位的作用,因此,除了利用按壓方式使該棘輪頭6換向以外,使用者還能透過將該把手單元2翻面後握持,同樣能達到轉換該棘輪頭6的轉向之相同作用,本創作具有雙向使用的優點。
It should be noted that this creation utilizes the
還要說明的是,本創作是一種可拆式的雙向棘輪扳手,當零件磨損而需要更換時,只要將該限位扣環631拆下,就能將該棘輪頭6、該第一掣動塊4與該第二掣動塊5,及該定位扣環3拆卸更換,因此,本創作更具有便於維修,能延長使用壽命的優點。
It should also be noted that this creation is a detachable two-way ratchet wrench. When the parts are worn and need to be replaced, as long as the
綜上所述,本創作雙向棘輪扳手能簡化組裝工序,提高組裝速度、降低製造成本,同時,本創作藉由該第一掣動塊4與該第二掣動塊5沿該頂底方向Z疊置,只需按壓該棘輪頭6,就能切換
該棘輪頭6的轉動方向,直覺式按壓的操作方式相當方便,故確實能達成本創作的目的。
In summary, the two-way ratchet wrench of this creation can simplify the assembly process, increase the speed of assembly, and reduce the manufacturing cost. At the same time, this creation uses the first moving
惟以上所述者,僅為本創作的實施例而已,當不能以此限定本創作實施的範圍,凡是依本創作申請專利範圍及專利說明書內容所作的簡單的等效變化與修飾,皆仍屬本創作專利涵蓋的範圍內。 However, the above are only examples of this creation. When the scope of implementation of this creation cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application for this creation and the content of the patent specification still belong to This creation patent covers the scope.
2:把手單元 2: Handle unit
21:底表面 21: bottom surface
22:頂表面 22: top surface
23:內壁面 23: inner wall
230:棘輪槽 230: Ratchet slot
231:環溝 231: ring groove
232:凹穴 232: cavities
24:外壁面 24: Outer wall
3:定位扣環 3: positioning buckle
4:第一掣動塊 4: The first moving block
5:第二掣動塊 5: The second moving block
51:卡掣齒部 51: Detent teeth
52:容置部 52: accommodating part
53:擋壁 53: Wall
6:棘輪頭 6: Ratchet head
61:內周面 61: inner peripheral surface
610:驅動孔 610: drive hole
62:外周面 62: Outer peripheral surface
622:擋緣 622: Shield
63:限位凹溝 63: limit groove
631:限位扣環 631: limit buckle
64:第一推抵部 64: First Push
65:棘齒部 65: Ratchet
66:擋止凹溝 66: Stop the groove
67:第二推抵部 67: Second Push
68:定位凹溝 68: positioning groove
7:彈性元件 7: Elastic element
C:軸線 C: axis
X:前後方向 X: front and back direction
Z:頂底方向 Z: Top and bottom direction
Claims (6)
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TW110201022U TWM611912U (en) | 2021-01-27 | 2021-01-27 | Two-way ratchet wrench structure |
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TW110201022U TWM611912U (en) | 2021-01-27 | 2021-01-27 | Two-way ratchet wrench structure |
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TWM611912U true TWM611912U (en) | 2021-05-11 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI817765B (en) * | 2022-10-07 | 2023-10-01 | 泰豐氣動工具有限公司 | Ratchet wrench and external ratchet bushing anti-detachment quick-release structure |
-
2021
- 2021-01-27 TW TW110201022U patent/TWM611912U/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI817765B (en) * | 2022-10-07 | 2023-10-01 | 泰豐氣動工具有限公司 | Ratchet wrench and external ratchet bushing anti-detachment quick-release structure |
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