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US 5,181,622 AGranted
Seismic shelf guard
AssigneeThe Board of Trustees of the Leland Stanford Junior University
InventorBjarki H. Hallgrimsson
Life of this patent
Estimating the term…
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.
Claims14
A guard for a shelf comprising
- at least one stationary support bracket,
- at least one linkage pivotally attached to said support bracket, and
- a retention bar extending from said linkage across the front of a shelf,
- said linkage and retention bar being pivotable to a raised position thereby permitting access to said shelf and being pivotable to lowered position for preventing items from falling from said shelf.
1 more element
A shelf guard comprising
- at least one stationary support bracket, said support bracket having a slot, a front edge, and a catcher member extending therefrom,
- at least one linkage, said linkage being pivotally attached to said support bracket by a pin extending from the linkage and extending into said slot of said support bracket, said linkage having a stopper member extending therefrom for engaging, a front edge of said support member when said linkage is in a raised position with said pin slid backwards in said slot, said stopper member disengaging from said front edge when said pin slides forward in said slot whereupon said linkage falls to a lowered position and said linkage engages said catcher member, and
- a retention bar extending from said linkage across the front of a shelf.
Dependencies are inferred from the claim text.