E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 65/46 (2006.01)
Patent
CA 2414195
The invention relates to interlocks for file cabinets and the like which generally prevent more than one drawer from being opened at a given time. The interlocks include a elongated, flexible member which is changeable from a high slack condition to a low slack condition. In the low slack condition, the interlocks prevent their associated drawers that are closed from being opened. In the high slack condition, the interlocks allow their associated drawer to be opened. The interlocks may be used in conjunction with a lock that selectively changes the cable from a high slack condition to a low slack condition and vice versa. The interlocks may be constructed to exert a force on the cable that is independent of the pulling force exerted on a locked drawer. Alternatively, the interlocks may be constructed to exert a force on the elongated, flexible member that is a small fraction of the pulling force exerted on a locked drawer.
Borden Ladner Gervais Llp
Knape & Vogt Manufacturing Co.
LandOfFree
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