Disc brake for elevator drive sheave

Details Disc brake for elevator drive sheave Disc brake for elevator drive sheave

1991-12-02

1993-07-13

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 20, 187 30, 187 38, 187 74, 188 711, 188 715, B66B 500

Patent

active

052265080

ABSTRACT:
Movement of an elevator cab drive sheave is controlled by a disc brake assembly which is operably connected to the output shaft and sheave of the elevator drive machine. The disc brake assembly can act as an upward or downward safety brake, and can also serve as the operating brake for normal operation of the elevator. The brake assembly can be retrofitted onto an existing elevator system, and its operation is not affected by any gear degradation in the machine drive gears.

REFERENCES:
patent: 1924321 (1933-08-01), James
patent: 3120880 (1964-02-01), Joseph
patent: 3151705 (1964-10-01), Chatham et al.
patent: 3674119 (1972-07-01), Worstell et al.
patent: 4585096 (1986-04-01), Bok
patent: 4977982 (1990-12-01), Bialy et al.
patent: 5007505 (1991-04-01), Lindegger
patent: 5010981 (1991-04-01), Heikkinen
patent: 5067593 (1991-11-01), Tanaka et al.

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