Sterilizer door assembly

Details Sterilizer door assembly Sterilizer door assembly

1983-11-01

1985-10-01

Downey, Kenneth

Movable or removable closures

With means mounting closure for swinging

With latch or lock

292 6, 292 64, 292144, 220323, 49 13, E05C 900

Patent

active

045437483

ABSTRACT:
A door assembly for a sterilizer includes a rectangular door on which is a vertical rail assembly movable horizontally toward and away from the door on threaded posts. Nuts carried by the rail assembly are rotated on the posts by sprockets entraining a motor driven chain. The rail assembly carries spring mounted axially retractable horizontal pairs of locking bars. The bars are inserted into and removed from sockets in a doorway frame by turning angularly as the rail assembly moves horizontally. A pressure responsive locking mechanism engages the sprockets to prevent their turning when the sterilizer is above a predetermined pressure. Cables carried by the locking bars actuate a switch in an alarm circuit for indicating that any one or more bars is not engaged properly in its respective socket. Limit switches stop operation of the motor when the rail assembly reaches extremes of inward and outward movement.

REFERENCES:
patent: 2373480 (1945-04-01), Lambert
patent: 3385655 (1968-05-01), Huston et al.

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