TWI550205B - Wheel cylinder push tool - Google Patents
Wheel cylinder push tool Download PDFInfo
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- TWI550205B TWI550205B TW104122032A TW104122032A TWI550205B TW I550205 B TWI550205 B TW I550205B TW 104122032 A TW104122032 A TW 104122032A TW 104122032 A TW104122032 A TW 104122032A TW I550205 B TWI550205 B TW I550205B
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Description
本發明係與剎車活塞推回工具有關。 The invention relates to a brake piston pushback tool.
在汽車行駛中，剎車機構扮演了十分重要的角色，當駕駛者踩踏剎車板時，剎車分泵中的活塞會向外凸出並推抵剎車片，使兩相對面之剎車片夾住剎車碟盤，藉此來達到剎車的目的。由於剎車片會隨剎車過程中而不斷地磨耗，因此到達一定程度後則需要更換新的剎車片。 In the car driving, the brake mechanism plays a very important role. When the driver steps on the brake plate, the piston in the brake cylinder will protrude outward and push against the brake pad, so that the brake pads on the opposite sides clamp the brake disc. Disk, in order to achieve the purpose of braking. Since the brake pads are continuously worn during the braking process, a new brake pad needs to be replaced after reaching a certain level.
其中，剎車分泵的活塞凸出後，並不會回歸到剎車分泵內的初始位置，因此在更換新的剎車片前，需要另外配合工具來將活塞推回，在習知的推回工具係藉由一螺桿來將活塞推抵回去。如TW392552、TWM274207等所揭露之剎車活塞推回工具即屬此類。 Among them, after the piston of the brake cylinder protrudes, it will not return to the initial position in the brake cylinder. Therefore, before replacing the new brake pad, an additional tool is needed to push the piston back, in the conventional pushback tool. The piston is pushed back by a screw. Such as the brake piston pushback tool disclosed in TW392552, TWM274207, etc.
然而，在此類習知裝配技術中，螺桿僅能按一固定方向轉動前進，當遇到必須要轉動另一方向推抵時，則需要更換另一推抵工具，因此造成剎車片更換的時間冗長、效率不彰，存在亟待改善之缺弊。 However, in such conventional assembly techniques, the screw can only be rotated in a fixed direction, and when it is necessary to rotate in the other direction, the other pushing tool needs to be replaced, thus causing the brake pad replacement time. Long and inefficient, there are shortcomings that need to be improved.
另外，為了在推抵過程中，能較省力並減輕人員的負擔，另有一種活塞推回工具係透過液壓或氣壓來驅動。然而，在此類習知裝配技術中的活塞推回工具，一但沒有高壓液體或氣體則無法順利進行推抵作業，存在亟待改善之缺弊。 In addition, in order to reduce labor and reduce the burden on personnel during the pushing process, another type of piston pushback tool is driven by hydraulic pressure or air pressure. However, the piston push-back tool in such a conventional assembly technique cannot smoothly push the work without a high-pressure liquid or gas, and there is a drawback that needs to be improved.
因此，有必要提供一種新穎且具有進步性之剎車活塞推回工具，以解決上述之問題。 Therefore, it is necessary to provide a novel and progressive brake piston pushback tool to solve the above problems.
本發明之主要目的在於提供一種剎車活塞推回工具，在推抵活塞過程中，使用者能自由地操作桿件進行正轉或反轉，來將活塞推抵進入剎車分泵中，且無須透過高壓液體或高壓氣體即能有省力推抵之功效。 The main object of the present invention is to provide a brake piston pushing back tool. During the pushing of the piston, the user can freely operate the rod to perform forward or reverse rotation to push the piston into the brake cylinder without passing through High-pressure liquid or high-pressure gas can have the effect of labor-saving.
為達成上述目的，本發明提供一種剎車活塞推回工具，包括一筒件及一推抵機構。該筒件具有一操作端及一工作端，該工作端係面向一剎車分泵之一活塞。該推抵機構具有一供推抵該活塞之桿件、及一彈性件，該彈性件之兩端分別連接於該桿件及該筒件，該桿件穿設過該筒件且可相對於該筒件移動。其中，該彈性件會保持致動該桿件朝向該筒件之工作端的方向移動，使該桿件凸伸出該筒件之工作端並供自由地轉動推抵該活塞。 To achieve the above object, the present invention provides a brake piston pushback tool comprising a tubular member and a pushing mechanism. The tubular member has an operating end and a working end, the working end facing a piston of a brake cylinder. The pushing mechanism has a rod member for pushing against the piston, and an elastic member. The two ends of the elastic member are respectively connected to the rod member and the barrel member. The rod member passes through the barrel member and is opposite to the barrel member. The cartridge moves. Wherein, the elastic member will keep moving the rod member in the direction of the working end of the tubular member, so that the rod member protrudes from the working end of the tubular member and is freely rotatably pushed against the piston.
1‧‧‧剎車活塞推回工具 1‧‧‧Brake Piston Push Back Tool
321‧‧‧第二螺紋部 321‧‧‧Second thread
2‧‧‧筒件 2‧‧‧Clocks
21‧‧‧操作端 21‧‧‧Operator
22‧‧‧定位部 22‧‧‧ Positioning Department
221‧‧‧第一螺紋部 221‧‧‧First threaded part
23‧‧‧工作端 23‧‧‧Working end
3‧‧‧推抵機構 3‧‧‧Pushing institutions
31‧‧‧桿件 31‧‧‧ rods
311‧‧‧第一端 311‧‧‧ first end
312‧‧‧第二端 312‧‧‧ second end
32‧‧‧定位件 32‧‧‧ Positioning parts
33,33A‧‧‧彈性件 33,33A‧‧‧Flexible parts
34‧‧‧推抵件 34‧‧‧Parts
35‧‧‧第一銷件 35‧‧‧First pin
36‧‧‧第二銷件 36‧‧‧second pin
4‧‧‧支撐件 4‧‧‧Support
5‧‧‧驅動組件 5‧‧‧Drive components
51‧‧‧驅動部 51‧‧‧ Drive Department
6‧‧‧剎車分泵 6‧‧‧Brake cylinder
61‧‧‧活塞 61‧‧‧Piston
圖1為本發明一較佳實施例之立體圖。 1 is a perspective view of a preferred embodiment of the present invention.
圖2為本發明一較佳實施例之分解圖。 2 is an exploded view of a preferred embodiment of the present invention.
圖3及圖4為本發明一較佳實施例之一作動圖。 3 and 4 are diagrams of an operation of a preferred embodiment of the present invention.
圖5為本發明一較佳實施例之使用狀態示意圖。 Figure 5 is a schematic view showing the state of use of a preferred embodiment of the present invention.
圖6及圖7為本發明另一較佳實施例之作動圖。 6 and 7 are actuating diagrams of another preferred embodiment of the present invention.
以下僅以實施例說明本發明可能之實施態樣，然並非用以限 制本發明所欲保護之範疇，合先敘明。 In the following, only possible embodiments of the present invention will be described by way of examples, but not limited thereto. The scope of the invention to be protected is described in advance.
請參考圖1至圖5，其顯示本發明之一較佳實施例，本發明之剎車活塞推回工具1包括一筒件2及一推抵機構3。 Referring to FIGS. 1 through 5, there is shown a preferred embodiment of the present invention. The brake piston pushback tool 1 of the present invention includes a tubular member 2 and a pushing mechanism 3.
該筒件2具有一操作端21及一工作端23，該工作端23係面向一剎車分泵6之一活塞61。該推抵機構3具有一供推抵該活塞61之桿件31、及一彈性件33，該彈性件33之兩端分別連接於該桿件31及該筒件2，該桿件31穿設過該筒件2且可相對於該筒件2移動。其中，該彈性件33會保持致動該桿件31朝向該筒件2之工作端23的方向移動，使該桿件31凸伸出該筒件2之工作端23並供自由地轉動推抵該活塞61。 The tubular member 2 has an operating end 21 and a working end 23 which faces a piston 61 of a brake cylinder 6. The pushing mechanism 3 has a rod member 31 for pushing against the piston 61 and an elastic member 33. The two ends of the elastic member 33 are respectively connected to the rod member 31 and the barrel member 2, and the rod member 31 is disposed. The tubular member 2 is passed through and movable relative to the tubular member 2. Wherein, the elastic member 33 will keep moving the rod member 31 in the direction of the working end 23 of the tubular member 2, so that the rod member 31 protrudes from the working end 23 of the tubular member 2 and is freely rotatably pushed. The piston 61.
於本實施例中，該彈性件33之兩端分別連接於該桿件31及該筒件2之操作端21，該彈性件33係透過伸長而將該桿件31推向該筒件2之工作端23。因此，在使用該剎車活塞推回工具1時，先將該筒件2之工作端23面向該剎車分泵6，且保持該桿件31與該活塞61相抵頂。接著，使用者施力將該桿件31由該筒件2之操作端21拉伸出，一但當對該桿件31的施力移除後，該彈性件33會立即彈抵該桿件31，而來迫使該桿件31朝該筒件2之工作端23移動並凸伸出該筒件2，進而可自由地轉動且同步帶動該活塞61轉動、並推抵該活塞61進入該剎車分泵6內，使用者不需要再施力推抵，有省力及提高效率之功效。並且，在推抵過程中，該桿件31可讓使用者操作正轉或是反轉，因此能自由地轉動推抵該活塞61使其順暢地進入該剎車分泵6。值得一提的是，由於係藉由該彈性件33來推抵該活塞61，因此在任何地方皆可使用該剎車活塞推回工具1，不須一定得配合其他動力(例如：高壓氣體、高壓液體)才能驅動。 In this embodiment, the two ends of the elastic member 33 are respectively connected to the rod member 31 and the operating end 21 of the tubular member 2, and the elastic member 33 is urged to push the rod member 31 toward the tubular member 2 Work terminal 23. Therefore, when the brake piston is used to push back the tool 1, the working end 23 of the tubular member 2 is first faced to the brake cylinder 6 and the rod member 31 is held against the piston 61. Then, the user applies the force to pull the rod 31 out from the operating end 21 of the barrel 2, and once the force applied to the rod 31 is removed, the elastic member 33 will immediately hit the rod. 31, forcing the rod member 31 to move toward the working end 23 of the tubular member 2 and projecting from the tubular member 2, thereby being freely rotatable and synchronously driving the piston 61 to rotate and push the piston 61 into the brake In the sub-pump 6, the user does not need to apply force to push, which has the effect of saving labor and improving efficiency. Moreover, during the pushing process, the lever member 31 allows the user to operate forward or reverse, so that the piston 61 can be freely rotated to smoothly enter the brake cylinder 6. It is worth mentioning that since the piston 61 is pushed by the elastic member 33, the brake piston can be used to push the tool 1 anywhere, without having to cooperate with other powers (for example, high pressure gas, high pressure). Liquid) can be driven.
較佳地，該推抵機構3另包括有一設於該桿件31之定位件32、及一定位部22，該定位部22係設於該筒件2靠近該操作端21處，該定位件32可釋放地與該定位部22相結合，該彈性件33之兩端分別連接於該定位件32及該筒件2，當該桿件31位於一第一位置時，該定位件32與該定位部22相結合，當該桿件31位於一第二位置時，該定位件32脫離該定位部22，該彈性件33致動該定位件32朝向該筒件2之工作端23移動。較詳細地說，於本實施例的該彈性件33之兩端分別連接於該定位件32及該筒件2之操作端21，當該桿件31位於該第一位置時，該定位件32壓縮該彈性件33而與該定位部22相結合，當該桿件31位於該第二位置時，該彈性件33伸長而彈抵該定位件32遠離該定位部22。 Preferably, the pushing mechanism 3 further includes a positioning member 32 disposed on the rod member 31 and a positioning portion 22, and the positioning portion 22 is disposed at the operating portion 21 of the tubular member 2, the positioning member 32 is releasably coupled to the positioning portion 22, the two ends of the elastic member 33 are respectively connected to the positioning member 32 and the cylindrical member 2, and when the rod member 31 is in a first position, the positioning member 32 is The positioning portion 22 is coupled. When the rod member 31 is in a second position, the positioning member 32 is disengaged from the positioning portion 22, and the elastic member 33 actuates the positioning member 32 to move toward the working end 23 of the barrel member 2. In more detail, the two ends of the elastic member 33 in the embodiment are respectively connected to the positioning member 32 and the operating end 21 of the tubular member 2. When the lever member 31 is in the first position, the positioning member 32 is The elastic member 33 is compressed to be coupled with the positioning portion 22. When the rod member 31 is in the second position, the elastic member 33 is elongated to be biased against the positioning member 32 away from the positioning portion 22.
更詳細地說，該定位件32係套設於該桿件31上，並透過至少一第一銷件35徑向穿設並固定該定位件32及該桿件31，使該定位件32及該桿件31可同時地被定位或釋放。其中，該定位件32及該定位部22較方便地係藉由螺鎖的方式來定位，因此在該定位部22設有一第一螺紋部221，在該定位件32設有一與該第一螺紋部221相結合之第二螺紋部321。於本實施例中，該第一螺紋部221係為一內螺紋部，該第二螺紋部321係為一外螺紋部，且該定位件32係藉由一該第一銷件35來與該桿件31相結合。而可以理解的是，只要該定位件32可釋放地與該定位部22相結合定位，亦可設計用卡合或其他方式來定位。同樣地，只要該定位件32與該桿件31能同步地活動，亦不侷限兩者的結合方式，甚至該定位件32與該桿件31係一體成型，亦無不可。 In more detail, the positioning member 32 is sleeved on the rod member 31, and the positioning member 32 and the rod member 31 are radially penetrated and fixed through the at least one first pin member 35, so that the positioning member 32 and The rod 31 can be positioned or released simultaneously. The positioning member 32 and the positioning portion 22 are conveniently positioned by means of a screw lock. Therefore, the positioning portion 22 is provided with a first threaded portion 221, and the positioning member 32 is provided with a first thread. The second portion 321 of the portion 221 is combined. In the embodiment, the first threaded portion 221 is an internal threaded portion, the second threaded portion 321 is an externally threaded portion, and the positioning member 32 is coupled to the first pin member 35. The rods 31 are combined. It can be understood that as long as the positioning member 32 is releasably positioned in conjunction with the positioning portion 22, it can also be designed to be positioned by snapping or other means. Similarly, as long as the positioning member 32 and the rod member 31 can move in synchronization, the combination of the two is not limited, and even the positioning member 32 is integrally formed with the rod member 31.
值得一提的是，該彈性件33的配置並不以此為限，只要該 彈性件33能保持該桿件31朝向該筒件2之工作端23的方向移動即可。舉例來說，亦可以如圖6及圖7所示之另一較佳實施例之一彈性件33A，該彈性件33A之兩端分別連接於該桿件31及該筒件2之工作端23，該彈性件33A係透過收縮而將該桿件31拉向該筒件2之工作端23。較詳細地說，該彈性件33A之兩端分別連接於該定位件32及該筒件2之工作端23，當該桿件31位於該第一位置時，該定位件32拉伸該彈性件33A而與該定位部22相結合，當該桿件31位於該第二位置時，該彈性件33收縮而將該定位件32拉向該工作端232。可以理解的是，只要該彈性件33A能與其他物件(如：該定位件32、該操作端21、該工作端23或該筒件2之任何地方)相互連接作動，並不侷限該彈性件33A之兩端與其他物件的連接關係，舉例來說，可以透過鉤設、套設、焊接、黏設、嵌合…等等諸多不同的連接方式來達成。 It is worth mentioning that the configuration of the elastic member 33 is not limited thereto, as long as the The elastic member 33 can hold the rod member 31 in the direction of the working end 23 of the tubular member 2. For example, the elastic member 33A of the other preferred embodiment shown in FIG. 6 and FIG. 7 may be connected to the rod member 31 and the working end 23 of the barrel member 2 respectively. The elastic member 33A pulls the rod 31 toward the working end 23 of the tubular member 2 by contraction. In more detail, the two ends of the elastic member 33A are respectively connected to the positioning member 32 and the working end 23 of the tubular member 2. When the rod member 31 is in the first position, the positioning member 32 stretches the elastic member. 33A is combined with the positioning portion 22, and when the lever member 31 is in the second position, the elastic member 33 is contracted to pull the positioning member 32 toward the working end 232. It can be understood that, as long as the elastic member 33A can be connected to other objects (such as the positioning member 32, the operating end 21, the working end 23 or any part of the tubular member 2), the elastic member is not limited. The connection relationship between the two ends of the 33A and other objects can be achieved, for example, by hooking, arranging, welding, bonding, fitting, and the like.
請再進一步參考圖1至圖5之本實施例，較佳地，該桿件31之一第一端311另設有一驅動組件5，該驅動組件5方便供外界來旋轉操作。更佳地，在該驅動組件5上另設有一供驅動工具(如：衝擊板手、棘輪板手)驅動之驅動部51，如此一來，當遇到較難推抵的該活塞61時，除了該彈性件33本身的推力外，亦能有額外的動力源來轉動並推抵該桿件31。其中，該驅動組件5較佳係可拆卸地設於該桿件31上，如本實施例中係藉由一第二銷件36將該驅動組件5固定於該桿件31上，如此當該驅動組件5有所損毀時，可較快速地更換新品；或是配合不同的驅動工具更換具有不同該驅動部51的該驅動組件5。 Further, referring to the embodiment of FIG. 1 to FIG. 5, preferably, the first end 311 of the rod member 31 is further provided with a driving component 5, which is convenient for external rotation operation. More preferably, the driving component 5 is further provided with a driving portion 51 for driving a driving tool (such as an impact wrench and a ratchet wrench), so that when the piston 61 is difficult to push, In addition to the thrust of the elastic member 33 itself, an additional power source can be provided to rotate and push the lever member 31. The driving component 5 is preferably detachably disposed on the lever member 31. In this embodiment, the driving component 5 is fixed to the lever member 31 by a second pin member 36. When the drive assembly 5 is damaged, the new product can be replaced relatively quickly; or the drive assembly 5 having the different drive portion 51 can be replaced with a different drive tool.
值得一提的是，該桿件31之一第二端312較佳另設有一供 與該活塞61相抵之推抵件34，不僅能有較大面積來提供較平均的推力並推抵該活塞61，亦可有與該活塞61穩定相結合的功用。更佳地，該推抵件34係可拆卸地與該桿件31相結合，使用者可視該活塞61不同的表面形狀或是尺寸大小，更換不同的該推抵件34。另一較佳地，該剎車活塞推回工具1另有一設於該筒件之工作端23之支撐件4，在推抵該活塞61過程中，該支撐件4供與該剎車分泵6相互抵靠，能有一較穩定施力的效果。 It is worth mentioning that one of the second ends 312 of the rod member 31 is preferably provided with a separate one. The pushing member 34 that abuts against the piston 61 can not only provide a relatively large area to provide a relatively high thrust but also push against the piston 61, and can also have a function of being combined with the stable operation of the piston 61. More preferably, the pushing member 34 is detachably coupled to the lever member 31, and the user can change the different pushing member 34 according to different surface shapes or sizes of the piston 61. In another preferred embodiment, the brake piston pushback tool 1 has a support member 4 disposed at the working end 23 of the tubular member. During the pushing of the piston 61, the support member 4 is supplied to the brake cylinder 6 Abut, can have a more stable effect.
綜上，本發明之剎車活塞推回工具，在更換剎車片的過程中，能有效減輕使用者的勞力負擔，更重要的是，在推抵時，桿件可以自由地讓使用者操作正轉或是反轉，將活塞順暢地轉動推抵進入剎車分泵，因此無須再更換另一工具來推抵活塞，有效節省時間及提升效率。 In summary, the brake piston pushing back tool of the present invention can effectively reduce the labor load of the user during the process of replacing the brake pad, and more importantly, the lever member can freely allow the user to operate the forward rotation when pushing. Or reverse, push the piston smoothly into the brake cylinder, so there is no need to replace another tool to push the piston, saving time and improving efficiency.
並且，在結構設計上簡約且方便攜帶，加上係利用彈性件驅動桿件來推抵活塞，因此在任意地方皆可立即使用，而不須要配合其他之動力源才能驅動。 Moreover, the structural design is simple and convenient to carry, and the elastic member drives the rod to push the piston, so it can be used at any place without being driven by other power sources.
綜上所述，本發明之整體結構設計、實用性及效益上，確實是完全符合產業上發展所需，且所揭露之結構發明亦是具有前所未有的創新構造，所以其具有「新穎性」應無疑慮，又本發明可較之習知結構更具功效之增進，因此亦具有「進步性」，其完全符合我國專利法有關發明專利之申請要件的規定，乃依法提起專利申請，並敬請 鈞局早日審查，並給予肯定。 In summary, the overall structural design, practicability and efficiency of the present invention are indeed fully in line with the needs of industrial development, and the disclosed structural invention is also an unprecedented innovative structure, so it has "novelty" should Undoubtedly, the invention can be more effective than the conventional structure, and therefore has "progressiveness", which fully complies with the requirements of the application requirements of the invention patents of the Chinese Patent Law, and is filed according to law, and please The bureau will review it early and give it affirmation.
1‧‧‧剎車活塞推回工具 1‧‧‧Brake Piston Push Back Tool
2‧‧‧筒件 2‧‧‧Clocks
31‧‧‧桿件 31‧‧‧ rods
34‧‧‧推抵件 34‧‧‧Parts
4‧‧‧支撐件 4‧‧‧Support
5‧‧‧驅動組件 5‧‧‧Drive components
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104122032A TWI550205B (en) | 2015-03-03 | 2015-07-07 | Wheel cylinder push tool |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104106632 | 2015-03-03 | ||
| TW104122032A TWI550205B (en) | 2015-03-03 | 2015-07-07 | Wheel cylinder push tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201542950A TW201542950A (en) | 2015-11-16 |
| TWI550205B true TWI550205B (en) | 2016-09-21 |
Family
ID=55220866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW104122032A TWI550205B (en) | 2015-03-03 | 2015-07-07 | Wheel cylinder push tool |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI550205B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321882B1 (en) * | 1999-08-25 | 2001-11-27 | Eaton Corporation | External manual brake release |
| DE20204741U1 (en) * | 2002-03-26 | 2002-08-22 | Klann Tools Ltd., Oxfordshire | Device for resetting a brake piston |
| US20040025648A1 (en) * | 2002-08-09 | 2004-02-12 | Po Huang Chun | Drive wrench structure |
| FR2864597A1 (en) * | 2003-12-24 | 2005-07-01 | Bosch Gmbh Robert | Park braking system for motor vehicle, has springs permitting to maintain shoe plates on disk in closed manner to ensure park braking, and pin to maintain and release movable unit during service and park braking, respectively |
| US20060288861A1 (en) * | 2005-06-28 | 2006-12-28 | Lai-Chen Liu | Secondary pump of brake |
| DE202011003465U1 (en) * | 2011-03-01 | 2011-05-12 | Chen, Ping Sheng | Pressure tool for caliper |
| TW201343338A (en) * | 2012-03-05 | 2013-11-01 | Jack Sealey Ltd | Brake pad spreader tool |
-
2015
- 2015-07-07 TW TW104122032A patent/TWI550205B/en active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6321882B1 (en) * | 1999-08-25 | 2001-11-27 | Eaton Corporation | External manual brake release |
| DE20204741U1 (en) * | 2002-03-26 | 2002-08-22 | Klann Tools Ltd., Oxfordshire | Device for resetting a brake piston |
| US20040025648A1 (en) * | 2002-08-09 | 2004-02-12 | Po Huang Chun | Drive wrench structure |
| FR2864597A1 (en) * | 2003-12-24 | 2005-07-01 | Bosch Gmbh Robert | Park braking system for motor vehicle, has springs permitting to maintain shoe plates on disk in closed manner to ensure park braking, and pin to maintain and release movable unit during service and park braking, respectively |
| US20060288861A1 (en) * | 2005-06-28 | 2006-12-28 | Lai-Chen Liu | Secondary pump of brake |
| DE202011003465U1 (en) * | 2011-03-01 | 2011-05-12 | Chen, Ping Sheng | Pressure tool for caliper |
| TW201343338A (en) * | 2012-03-05 | 2013-11-01 | Jack Sealey Ltd | Brake pad spreader tool |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201542950A (en) | 2015-11-16 |
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