Supports: racks – Knockdown – Foldable or collapsible
Patent
1984-02-01
1985-02-05
Britts, Ramon S.
Supports: racks
Knockdown
Foldable or collapsible
211105, 403161, 411509, A47F 508
Patent
active
044974132
ABSTRACT:
A pivot joint is comprised of a pair of superposed elongated plastic members having through-open barrels of different sizes, one in the other, and a plastic pin with a button on a reduced portion extending through the combined barrels and securing all three members together in a pivot relation.
REFERENCES:
patent: 631385 (1899-08-01), Rowley
patent: 1533470 (1925-04-01), Schmitt
patent: 1994897 (1935-03-01), Owen
patent: 3337060 (1967-08-01), Artweger
patent: 3431548 (1969-03-01), Busler
patent: 4118602 (1978-10-01), Jacobson
patent: 4287993 (1981-09-01), Licari
Britts Ramon S.
Fay Charles R.
Johnson Blair M.
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