Supports: cabinet structure – Arrangements of plural cabinets – Relatively movable
Patent
1993-02-19
1994-11-01
Pellegrino, Stephen C.
Supports: cabinet structure
Arrangements of plural cabinets
Relatively movable
70DIG9, 74577M, A47B 8700, A47B 5300
Patent
active
053602625
ABSTRACT:
A locking mechanism for a system of movable storage units is actuated passively to prevent the storage units from moving back toward one another once an access aisle has been created therebetween. The locking mechanism includes a first gear which rotates with the operating handle during movement of a storage unit and a floating gear mounted to a support plate so that it meshes with the first gear. After a storage unit has been moved in one direction to create an access aisle, rotating the operating handle to move the storage unit in the opposite direction to close the aisle will cause the support member and floating gear to pivot toward a position in which the floating gear is engaged with an arresting member, whereupon the storage unit will be locked from movement in that opposite direction. A logic system controls the actuation of the locking mechanism responsive to the position of the storage unit with respect to adjacent storage units.
REFERENCES:
patent: 3598214 (1971-08-01), Harris
patent: 3601231 (1971-08-01), Kolacz et al.
patent: 4519483 (1985-05-01), Schlicker
patent: 4523794 (1985-06-01), Peterman
patent: 4607896 (1986-08-01), Peterman
patent: 4616888 (1986-10-01), Peterman
patent: 4616889 (1986-10-01), Peterman
patent: 4708411 (1987-11-01), Peterman
Mulcare Nancy
Pellegrino Stephen C.
White Storage and Retrieval Systems, Inc.
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