Chairlift or gondola-lift having a friction-based driving device

Details Chairlift or gondola-lift having a friction-based driving device Chairlift or gondola-lift having a friction-based driving device

1992-03-17

1993-02-23

Le, Mark T.

Railways

Traction

Transverse live roll

104178, B61B 1300

Patent

active

051880377

ABSTRACT:
Chairlift or gondola lift with a carriage supporting a gondola or a chair, the carriage including a detachable grip for coupling on a continuously moving cable. In the terminal, the carriage is uncoupled from the cable and it runs on a transfer rail. This transfer rail is equipped with friction drive sheaves for engaging a friction plate rigidly secured to the carriage. The sheaves are driven at a different speed with respect to the direct neighboring sheave so as to decelerate or to accelerate the carriage. The friction plate has a high friction coupling zone and a low friction coupling zone which permits a slip engagement with the friction sheave. The high friction coupling zone of the plate is shorter than the distance betwen two successive sheaves.

REFERENCES:
patent: 3596607 (1971-08-01), Pomagalski
patent: 4627361 (1986-12-01), Tarassoff
patent: 4671186 (1987-06-01), Kunczynski
patent: 4794864 (1989-01-01), Feuz et al.
patent: 4867069 (1989-09-01), Kunczynski

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