Strap type drawer interlock structure

Details Strap type drawer interlock structure Strap type drawer interlock structure

1991-10-21

1993-01-05

Brown, Peter R.

Supports: cabinet structure

Gang-bar type locking or latching means

Concealed

312217, E05C 706

Patent

active

051764369

ABSTRACT:
A drawer interlock structure having a channel-like plural station frame supporting at each station a cam on one side of the frame and an operably connected slider movable by the cam on the other side of the frame. A trip pin is attached to each drawer and is located in the opening and closing of each drawer to operably engage the cam. As the cam moves and the slider is displaced a taut strap of flexible material is displaced against a spring force at opening of any one drawer and the spring is limited in its extension by a blocker whereby no other drawers can be opened until closure of the one opened drawer and whereby simultaneous movement of plural drawers are blocked by the limitedly blocked spring loaded strap. The withdrawal of the slider from a positive block against the cam is prevented until the single opened drawer is closed. Simple locking of the structure is by means of a lock device disabling any movement of the strap.

REFERENCES:
patent: 3941441 (1976-03-01), Scheerhorn
patent: 4889396 (1989-12-01), Mitchell
patent: 5072678 (1991-11-01), Westwinkel

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