Safety gate for vehicle wheel alignment pit installations

Movable or removable closures – Time controlled – Predetermined delay governs start of closure movement

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Details

49107, 49115, 49118, 49280, 49334, 49366, E05F 1520, E05F 1700

Patent

active

041865219

ABSTRACT:
Safety gate mechanism for use in protecting persons working around automobile service equipment installed in a floor pit comprising bi-parting gate sections mounted for movement between closed positions in front of the floor pit and open positions along side the floor pit, circuit means for automatically opening the gate sections once a signal is generated that a vehicle is to be placed in the floor pit area for service, and means in the circuit for locking and unlocking the gate sections and for reclosing the open gate sections in a desired time period should a vehicle fail to move into the floor pit area or after a vehicle has been removed from the floor pit area.

REFERENCES:
patent: 1519749 (1924-12-01), Ainsworth
patent: 2003533 (1935-06-01), Green
patent: 2091065 (1937-08-01), Buettner
patent: 2101147 (1937-12-01), Lux
patent: 2455018 (1948-11-01), McKeown
patent: 2561623 (1951-07-01), Hall
patent: 3370381 (1968-02-01), Wetter
patent: 3429073 (1969-02-01), Tucker, Jr.
patent: 3940887 (1976-03-01), Slaybaugh
patent: 4121382 (1978-10-01), Dietrich et al.

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