Method and assembly for automatic slack adjustment of an...

Details Method and assembly for automatic slack adjustment of an... Method and assembly for automatic slack adjustment of an...

2005-05-24

2005-05-24

Graham, Matthew C. (Department: 3683)

Brakes

Wheel

Axially movable brake element or housing therefor

C188S071800, C188S071900, C188S162000, C188S1960BA, C188S072800

Reexamination Certificate

active

06896106

ABSTRACT:
A method of accommodating wear in an electrically operated brake assembly includes setting a home position when a brake shoe engages a brake drum. A stepper motor drives the brake shoes into engagement with the drum. Upon engagement of the brake shoes with the drum, the stepper motor slips. Slipping of a stepper motor indicates that a home position has been reached. Upon release of the brake, the brake shoe is moved away from the drum a fixed distance. The fixed distance is an optimal distance between the friction member and the rotating member such that regardless of wear, the distance relationship between the brake shoe and drum is maintained.

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patent: 6397981 (2002-06-01), Tamasho et al.
patent: 3840685 (1990-06-01), None

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