Aerial tramway and method for relieving induced torque

Details Aerial tramway and method for relieving induced torque Aerial tramway and method for relieving induced torque

1990-01-26

1991-03-12

Olszewsky, Robert P.

Railways

Traction

Cable

104112, 104180, B61B 704

Patent

active

049984829

ABSTRACT:
An aerial tramway having a pair of side-by-side, substantially parallel, movable haul ropes and at least one load carrying unit attached between the haul ropes for advancement therewith. A plurality of detachment assemblies are positioned periodically along the course of the haul rope to detach the load carrier from at least one of the haul ropes and thereby relieve torque induced in the load carrier due to differences in haul rope speeds. The load carrying units preferably have grip assemblies which wedge against the haul ropes, and detachment wheels lift the load carrier unit and grip assemblies up off the haul ropes to effect detachment. A method of conveying load carrying units by side-by-side haul ropes which prevents torque build-up in the units also is disclosed.

REFERENCES:
patent: 4329926 (1982-05-01), Sowder et al.
patent: 4608930 (1986-09-01), Galmiche
patent: 4848241 (1989-07-01), Kunczynski
patent: 4864937 (1989-09-01), Kunczynski

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