Supports: racks – Elements
Patent
1992-05-22
1993-01-26
Chin-Shue, Alvin C.
Supports: racks
Elements
211 42, 2111051, A47F 700
Patent
active
051816229
ABSTRACT:
A shelf guard for use with bookshelves and the like includes first and second stationary support brackets and first and second linkages pivotally attached to the support bracket. The linkages and a retention bar supported thereon are pivotal to a raised position thereby permitting access to a guarded shelf and are pivotable to a lowered position for preventing items from falling from the shelf.
Chin-Shue Alvin C.
Lechok Sarah A.
The Board of Trustees of the Leland Stanford Junior University
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