Support beam for elevator sheaves

Details Support beam for elevator sheaves Support beam for elevator sheaves

1989-12-01

1991-07-30

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 2, 187 20, 116321, B66B 916

Patent

active

050353004

ABSTRACT:
A support beam for elevator sheaves is disclosed. The support beam includes telescopic arms which are retracted for positioning the beam in the elevator shaft and, when positioned, are extended into recesses defined by the shaft walls to mount the beam in the desired position.

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patent: 4198421 (1980-04-01), Horton
patent: 4664230 (1987-05-01), Olsen
patent: 4770044 (1988-09-01), Ferris

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