Caliper brake with disengaged position

Details Caliper brake with disengaged position Caliper brake with disengaged position

2004-07-02

2008-10-21

Siconolfi, Robert A. (Department: 3683)

Brakes

Operators

Spring

C188S072300

Reexamination Certificate

active

07438162

ABSTRACT:
The invention relates to a caliper brake for a brake disc, in particular for elevator drives. Said brake comprises a brake body that is mounted on a fixed bolt (7) in a floating manner (1) and a brake caliper (2) that impinges on the brake disc (3) from the outer periphery of the latter, in addition to a solenoid (14) that is integrated into the brake body (1) to electromagnetically pull a spring-loaded armature disc (4) against the brake body (1). Said armature disc (4) and the section of the brake caliper (2) lying axially opposite are equipped with friction linings (5, 6) for engaging with the two end faces of the brake disc (3). To release or centre the caliper brake in relation to the brake disc at any time, a dual-arm rocker lever or bracket (8) is pivotally mounted on the fixed bolt, one limb (15B) of said lever or bracket being connected to the peripheral surface of the armature disc (4) and the other limb (15A) to the brake caliper, in such a way that the rocker lever or bracket (8) displaces the armature disc (4) when the brake is disengaged, simultaneously redirecting said movement into a displacement of the brake caliper (2) in the opposite direction, in order to obtain an air gap (s/2) on both sides of the brake disc (3).

REFERENCES:
patent: 3983971 (1976-10-01), Kawai
patent: 5873434 (1999-02-01), Sugita et al.
patent: 5944150 (1999-08-01), Hikari
patent: 2001/0045331 (2001-11-01), Hikari

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