Compact caliper brake

Details Compact caliper brake Compact caliper brake

1978-10-30

1980-12-02

Butler, Douglas C.

Brakes

Vehicle

Railway

188 726, B61H 712

Patent

active

042366089

ABSTRACT:
Caliper brake particularly for installation in locations where there is insufficient space for conventional caliper brakes of similar capacity, and also adapted to accommodate lateral shifting of the brake shoes due to deviating braking surfaces. Brake has a pair of caliper arms with brake shoes at outer ends thereof, and actuator with axis of extension and retraction disposed longitudinally of the caliper arms. A toggle structure cooperates with the actuator and caliper arms to force inner ends of arms apart when the actuator is actuated, and includes toggle links having inner ends hinged to actuator and outer ends hinged to inner ends of respective caliper arms. To permit the brake shoes to move laterally, the caliper arms are hinged on a mounting structure which cooperates with frame to permit relative swinging between mounting structure and actuator.

REFERENCES:
patent: 3109517 (1963-11-01), Butler et al.
patent: 3972392 (1976-08-01), Johnson
patent: 3986584 (1976-10-01), Wright et al.

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