Brakes – Operators – Spring
Patent
1979-09-13
1981-10-13
Butler, Douglas C.
Brakes
Operators
Spring
104 50, 188 723, B61H 500
Patent
active
042943370
ABSTRACT:
In an exemplary embodiment, a brake disc is fixed to a motor shaft and a movable counter disc is withdrawn from the brake disc by an electromagnet against the force of a spring device. The spring device is laid out unsymmetrically in such manner that, in a first phase of the withdrawal, the counter disc is more strongly withdrawn from the brake disc in the area of lower spring forces. The braking system is employed as a parking brake supplementing the standard short circuit braking for transport cars traveling on profile rails and employed for transporting files.
REFERENCES:
patent: 3598203 (1971-08-01), Donaldson
patent: 3605958 (1971-09-01), McCarthy
patent: 3636883 (1972-01-01), Wesener
Butler Douglas C.
Siemens Aktiengesellschaft
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