Drive frame for a self-propelled elevator car

Details Drive frame for a self-propelled elevator car Drive frame for a self-propelled elevator car

1996-05-31

1998-02-03

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

104128, B66B 902

Patent

active

057134324

ABSTRACT:
A drive frame for a self-propelled elevator travelling on guide rail running surfaces (22) includes a car carrying frame (5,14,16,17,18) on which are mounted driving wheels (1) coupled to a drive unit (24) and supporting wheels (2). The driving wheels (1) are rotatably mounted on axle tubes (3) connected to the drive unit (24) and rocker arms (15) pivotally mounted on frame brackets (5). The supporting wheels (2) are rotatably mounted on an axle (12) mounted on axle carriers (4) extending from the frame brackets (5). The driving wheels (1) and the supporting wheels (2) are drawn into contact with the running surfaces (22) by spring cylinders (8) connected between the axle tubes (3) and the supporting wheel axle (12) and extending through lateral passages (13) formed in a frame crossbeam (14) connected between the frame brackets (5).

REFERENCES:
patent: 2052690 (1936-09-01), Austin
patent: 5636712 (1997-06-01), Muller et al.

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