Self adjusting parking brake

Details Self adjusting parking brake Self adjusting parking brake

Category

B - Operations, Transporting

Subcategory

60

Subsubcategory

T

CPC

188/140

IPC codes

B60T 1/06 (2006.01)

Type

Patent

Patent number

CA 1253815

Description

ABSTRACT OF THE DISCLOSURE An automatically adjusting automobile parking brake actuating mechanism has a thrust screw attached to a fric- tion pad and axially translated in response to normal brake activating movement of the friction pad. An adjusting nut having an axial threaded bore threadingly receives the thrust screw and includes coaxial ratchet teeth and a peri- pheral groove externally circumscribing the adjusting nut. An adjuster pawl having a pivot, an adjusting leg communica- ting with the ratchet teeth and a camming leg communicating with the peripheral groove effects pivotal movement of the adjuster pawl, thereby causing rotation of the ratchet teeth and the adjusting nut relative to the thrust screw. An axial force is applied upon the adjusting nut to effect axial translation of the adjusting nut and the thrust screw to urge the friction pad into a brake applying mode.

Application Number

484540

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Also associated with

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