Pass-through drawer assembly

Details Pass-through drawer assembly Pass-through drawer assembly

1979-06-26

1981-01-20

Nunberg, Casmir A.

Deposit and collection receptacles

Separate inlet and outlet openings

With means for moving the deposited matter within the...

232 435, 312286, E06B 732, E05G 700

Patent

active

042457769

ABSTRACT:
A pass-through drawer assembly is disclosed for transferring food and other commodities from an operator inside an enclosed area to a customer on the other side of the enclosure. The drawer assembly includes a drawer frame which is encased in a box-like housing having an opening covered by a hinged door on the operator's side and a pair of exterior hinged doors on the customer's side. A handle device is attached to the drawer frame so that the employee may horizontally extend and retract the drawer frame between the exterior doors to the customer. The drawer frame includes a bottom cam plate which has opposed camming slots, and the exterior doors have cam followers secured thereto that mate within the slots in such a manner that when the drawer frame is extended the exterior doors are progressively opened and when the drawer frame is retracted the doors are closed. The configuration of the camming slots and the position of the cam followers on the doors permit the doors to open less than 90.degree. such that if a vehicle or the like strikes the doors in their open position, the doors and drawer frame automatically close.

REFERENCES:
patent: 3059840 (1962-10-01), Graber et al.
patent: 3390833 (1968-07-01), Harris
patent: 4135658 (1979-01-01), Hagberg
patent: 4149474 (1979-04-01), Ruane

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