Oil pressure auxiliary escape device of elevator

Details Oil pressure auxiliary escape device of elevator Oil pressure auxiliary escape device of elevator

1996-10-29

1999-05-25

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes linking support cable in drive-means

187272, B66B 1108

Patent

active

059062525

ABSTRACT:
An elevator escape device comprises a pressure increasing apparatus and a pressure decreasing apparatus, which are located in the emergency window of an elevator cab and can be operated manually to activate an oil pressure cylinder of the oil pressure mechanism to drive an oil pressure cylinder of the oil pressure mechanism to drive the elevator cab to a desired floor at such time when the elevator cab is diabled by an incident, such as a fire, a power outage, and so forth.

REFERENCES:
patent: 4592450 (1986-06-01), Schaffer
patent: 4830146 (1989-05-01), Nakamura et al.

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