Joints and connections – Rigid angle coupling – e.g. – elbow or u – etc.
Patent
1996-12-04
1998-03-17
Dorner, Kenneth J.
Joints and connections
Rigid angle coupling, e.g., elbow or u, etc.
403268, 403403, 403260, 297 40, F16B 900, A47C 400
Patent
active
057278970
ABSTRACT:
A rod member connector including a coupling hole and a coupling tube adapted for holding two rod members of a folding chair at right angles, and two outward flanges raised from the periphery of the coupling hole at one side opposite to the coupling tube and defining a mouth adapted for holding a third rod member of the folding chair to secure the folding chair in the collapsed condition.
REFERENCES:
patent: 1261213 (1918-04-01), Clay
patent: 2083354 (1937-06-01), Whittier
patent: 2649138 (1953-08-01), Rechler
patent: 3279734 (1966-10-01), Kramer
patent: 4536026 (1985-08-01), Cornell
patent: 4647241 (1987-03-01), Weber
patent: 4900076 (1990-02-01), Kolb et al.
patent: 5054848 (1991-10-01), Liu
patent: 5516226 (1996-05-01), Wu
patent: 5570926 (1996-11-01), Papiernik et al.
Dorner Kenneth J.
Miller William
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