Mechanical automatic aisle lock

Details Mechanical automatic aisle lock Mechanical automatic aisle lock

1996-11-26

1997-09-23

Cuomo, Peter M.

Supports: cabinet structure

Arrangements of plural cabinets

Relatively movable

192 44, 188 8284, A47B 5302

Patent

active

056696825

ABSTRACT:
A mechanism that automatically locks a movable storage unit against closure of an aisle between the unit and a blocking object such as a facing movable or stationary storage unit or a wall, while permitting continued opening of the aisle, without any electrical controls or power. A binding device is shiftable between a binding state permitting movement of the movable storage unit only away from the facing storage unit or wall, and a non-binding state permitting movement of the unit in either direction. The mechanism includes a clutch wheel which rotates with the wheels of the movable storage unit, and a resilient binding wheel, insertable between the clutch wheel and a stationary binding block. When the binding wheel is inserted as described, it will bind and preclude the clutch wheel from continuing to rotate towards the binding block. A latch is capable of holding the binding wheel out of binding state. An aisle sensor and a manual lock button are provided to free the binding wheel from the latch, and again permit it to resume binding state. An unlock button is also provided for resetting the binding wheel to the non-binding state, again permitting movement of the mobile storage unit toward the facing storage unit or wall.

REFERENCES:
patent: 5160189 (1992-11-01), Johnston et al.
patent: 5182959 (1993-02-01), Chern et al.
patent: 5360262 (1994-11-01), Davidian
patent: 5401090 (1995-03-01), Fay

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