Combined displacing and cushioning means for detention cell door

Details Combined displacing and cushioning means for detention cell door Combined displacing and cushioning means for detention cell door

1988-11-17

1990-04-03

Kannan, Philip C.

Movable or removable closures

Latch release of movement-stored energy

49 15, 49411, 49449, E05F 100

Patent

active

049128787

ABSTRACT:
A mounting assembly is provided for a jail cell door. The door is suspended from a trolley and is slidable, on a fixed rail, between fully open and closed positions. Means are provided for releasably locking the door in either of those positions. Stop means at opposite ends of the rail respectively limit movement of the trolley to the closed and fully open positions. Each stop means includes a compression spring which absorbs shock forces when the door is displaced to its extreme positions. The spring means also provide a force for displacing the door from its closed or fully open positions upon release of the means locking the door in either of these positions.

REFERENCES:
patent: 3398482 (1968-08-01), Frederick, Jr.
patent: 3837117 (1974-09-01), Butt
patent: 4723373 (1988-02-01), Jump

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