Movable or removable closures – Check or key controlled
Patent
1990-07-16
1991-10-08
Chilcot, Jr., Richard E.
Movable or removable closures
Check or key controlled
49 49, 49131, 52111, 404 6, E01F 1300
Patent
active
050542370
ABSTRACT:
A post is adapted to be raised to an active position in front of a vehicle being serviced from a pit beneath the vehicle, the post serving as a barrier to guard against injury and property damage in the event the vehicle suddenly lurches forwardly. After the vehicle has been serviced, the post may be lowered to a stored position in the pit to enable the vehicle to be driven forwardly from the service area.
REFERENCES:
patent: 2913906 (1959-11-01), Sinclair
patent: 3660935 (1972-05-01), Boots
patent: 3866624 (1975-02-01), Peterson
patent: 4003161 (1977-01-01), Collins
patent: 4050109 (1977-09-01), Mazzone
patent: 4186521 (1980-02-01), Hunter
patent: 4577991 (1986-03-01), Rolow
patent: 4715742 (1987-12-01), Dickinson
patent: 4880081 (1989-11-01), Congleton
Kapala Fred J.
Kapala Robert A.
Canfield Robert J.
Chilcot Jr. Richard E.
Rockford Ornamental Iron Incorporated
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