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US 2006/0124407 A1Published application
Disc brake actuating apparatus with parking-brake operating mechanism
AssigneeAkebono Brake Industry Co., Ltd.
InventorToshifumi Maehara
Life of this patent
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Abstract
A parking-brake operating mechanism is provided with an adjusting spindle, a cam shaft to which a parking lever is connected, and a thrust transmitting assembly disposed between the cam shaft and the adjusting spindle. The thrust transmitting assembly includes a rolling roller which can roll between the cam shaft and the adjusting spindle. Rolling curved surfaces are provided respectively at the cam shaft and the adjusting spindle. The rolling roller is disposed in contact with the rolling curved surfaces.
Claims11
A disc brake actuating apparatus comprising:
- a caliper;
- a piston slidably supported by the caliper and containing an adjuster mechanism;
- and
- a parking-brake operating mechanism provided at one end portion of the caliper,
- wherein the parking-brake operating mechanism includes:
- an adjusting spindle of the adjuster mechanism;
- a cam shaft disposed perpendicularly to the adjusting spindle;
- a parking lever connected to one end of the cam shaft;
- and
- a thrust transmitting assembly disposed between the cam shaft and the adjusting spindle, wherein the thrust transmitting assembly transmits an axial thrust to the adjusting spindle when the cam shaft is angularly moved, and
- wherein the thrust transmitting assembly includes:
- a rolling roller that rolls between the cam shaft and the adjusting spindle, while the rolling roller rotates about its axis;
- and
- rolling curved surfaces provided respectively at the cam shaft and the adjusting spindle, wherein the rolling roller is disposed in contact with the rolling curved surfaces.
11 more elements
Dependencies are inferred from the claim text.