Supports: cabinet structure – Gang-bar type locking or latching means – Concealed
Patent
1998-02-11
1999-01-05
Cuomo, Peter M.
Supports: cabinet structure
Gang-bar type locking or latching means
Concealed
312216, E05C 706, E05B 6546
Patent
active
058554238
ABSTRACT:
A flat file cabinet has a plurality of removable drawers slidably supported by a frame and bearings. Each drawer includes an interlocking channel on a side of the drawer which actuates a vertical column of independent locking bars slidably supported by the frame. Each locking bar includes a roller means which is urged upwardly by and rides on top of the interlocking channel when a drawer is partially withdrawn. Each locking bar also includes a pin means normally located slightly below the interlocking channel. When the roller is urged upward it displaces the locking bar to which it is connected, and all locking bars thereabove, upward into a displaced position in which the pins interfere with the locking channels of the above drawers, preventing forward movement of the above drawers. The interlocking channel of the withdrawn drawer also prevents upward travel of the pin of the locking bar located immediately therebelow thereby preventing the forward movement of all drawers below. The vertical movement of the locking bars is limited by a face plate located between the column of locking bars and the drawer. The face plate includes elongated slots through which the rollers and pins extend. The face plate provides that any number of drawers can be removed from the frame while maintaining the normal operability of the interlocking mechanism for the remaining drawers. The interlocking channels include tapered forward and rear ends to permit withdrawal and removal, respectively, of the drawers.
REFERENCES:
patent: 4272138 (1981-06-01), Stark
patent: 4441767 (1984-04-01), Stark
patent: 4865404 (1989-09-01), Harper
patent: 5352030 (1994-10-01), Derle et al.
patent: 5411327 (1995-05-01), Norton
patent: 5599077 (1997-02-01), Law et al.
patent: 5634701 (1997-06-01), Hendrich et al.
Cuomo Peter M.
Hansen James O.
Planhold Corporation
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