Horizontally supported planar surfaces – Folding – With vertical adjustability
Patent
1974-08-19
1976-06-08
Zugel, Francis K.
Horizontally supported planar surfaces
Folding
With vertical adjustability
211187, 312111, A47B 4704
Patent
active
039615863
ABSTRACT:
Shelving comprising vertical and horizontal members interconnected to provide lateral uprights, horizontal shelves and a back, these members being interconnected by unitary connecting parts which fit into recesses in the vertical members at the joints thereof and provide extensions from joints with a pin insertable into a blind hole in a horizontal member. These connecting parts prevent relative movement between the adjacent vertical members and horizontal members.
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patent: 2104831 (1938-01-01), Dauskardt
patent: 2258909 (1941-10-01), Reens
patent: 3207322 (1965-09-01), Pedersen
patent: 3234896 (1966-02-01), Bonsall
patent: 3331514 (1967-09-01), Bruynzeel
patent: 3389666 (1968-06-01), Bonatz
patent: 3489392 (1970-01-01), Thom
patent: 3685465 (1972-08-01), Haumer
patent: 3834776 (1974-09-01), Becker
patent: 3835354 (1974-09-01), Pena
Jacobson Harvey B.
O#Brien Clarence A.
Zugel Francis K.
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