Horizontally supported planar surfaces – Plural related horizontal surfaces – Vertically adjustable
Patent
1990-12-13
1991-08-13
Aschenbrenner, Peter A.
Horizontally supported planar surfaces
Plural related horizontal surfaces
Vertically adjustable
211 42, 211 40, 211183, A47F 513, A47B 900
Patent
active
050386891
ABSTRACT:
A book restraint assembly for shelving such as used in libraries. The book restraint assembly has a tubular restraint member that extends the length of the shelf assembly. End plates are positioned adjacent the opposite end of the tubular restraint member and each have a rivet that passes through an aperture therein with the shank of the rivet being received into the respective opposite ends of the tubular restraint member and secured therein. The rear ends of the end plates have a tab extending rearwardly and downwardly and these tabs are detachably received in the end tab slots of post members of a range library book shelf so that the end plates may be pivoted upwardly a predetermined height to allow the tubular restraint member to clear the height of any book on the shelf platform thus allowing them to be removed. An alternative embodiment of the book restraint assembly utilizes a cord member that passes through the tubular restraint member and the opposite ends of the cord member are attached to S-hooks that are detachably received in the end tab slots of the post members.
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patent: 4711419 (1987-12-01), Polosky
patent: 4867318 (1989-09-01), Robson
Aschenbrenner Peter A.
Logan II Charles C.
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