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Hydraulic resetting tool for piston of disc brake cylinder

A technology of disc brakes and sub-cylinders, which is applied in the direction of hand tools, hand-held tools, and manufacturing tools suitable for fasteners, and can solve problems such as difficult application of calipers and inability to enter calipers

Pending Publication Date: 2021-03-26
NUEVO PROD DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] With different brake discs, the width of the space that the caliper provides for the brake disc to pass is also different. For larger calipers, the displacement stroke of the tool's stopper may not be enough to force the piston back inside the caliper, increasing the stopper's force. Displacement travel, which will increase the thickness of the tool body and cannot enter the smaller size of the caliper; in short, the tool is difficult to apply to the operation of piston reset for multiple different sized calipers

Method used

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  • Hydraulic resetting tool for piston of disc brake cylinder
  • Hydraulic resetting tool for piston of disc brake cylinder
  • Hydraulic resetting tool for piston of disc brake cylinder

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Embodiment 4

[0038] Embodiment four is changed according to embodiment one, such as Figure 11 and Figure 12 As shown, the fourth embodiment lacks the second cylinder 50 of the first embodiment, and one end of the detent 60 of the fourth embodiment is pivotally arranged in the third chamber 41 of the first cylinder 40 .

[0039] Through the above-mentioned structural composition and technical features, the hydraulic reset tool for the piston of the disc brake cylinder according to the present invention, when the piston of the disc brake cylinder is pushed and reset, the first cylinder 40 and the brake The parts 60 can be displaced in the direction away from the first pressure plate 22 respectively, and the second pressure plate 24 can be moved away from the main body 10 without increasing the thickness of the main body 10. The present invention can be applied to various calipers of different sizes. Piston reset push back operation.

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Abstract

The invention discloses a hydraulic resetting tool for a piston of a disc brake cylinder. The hydraulic resetting tool comprises a main body, a first pressing plate, a second pressing plate and a holding column, wherein one side of the main body is connected with the first pressing plate; the second pressing plate is adjacent to the other side of the main body; the holding column is connected withthe front end of the main body; a first cylinder barrel is pivoted in the main body; a second cylinder barrel is pivoted in the first cylinder barrel; a detent piece is pivoted in the second cylinderbarrel; the detent piece is connected with the second pressing plate; and the detent piece prevents the second pressing plate to move back and forth.

Description

technical field [0001] The invention relates to a special tool for automobile repair; in particular, it refers to a hydraulic reset tool for the piston of a disc brake cylinder. Background technique [0002] Disc brakes consist of a brake disc and a caliper, wherein the piston of the caliper moves to displace the pads toward the brake disc, thereby reducing the speed of the brake disc. [0003] The TWI583509 patent document discloses a disc brake piston reset tool. When replacing the pad, the tool is used to compress the piston so that the piston returns to the inside of the caliper. [0004] With different brake discs, the width of the space that the caliper provides for the brake disc to pass is also different. For larger calipers, the displacement stroke of the tool's stopper may not be enough to force the piston back inside the caliper, increasing the stopper's force. The displacement stroke will increase the thickness of the main body of the tool, making it impossible ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B31/00
CPCB25B31/00F16D65/0043B25B27/0035B25B27/023B25B27/026
Inventor 曾朝清
Owner NUEVO PROD DEV CO LTD