Joints and connections – Transverse rod to spaced plate surfaces – Retainer utilizes or abuts plural plates
Patent
1982-02-03
1984-01-31
Shedd, Wayne L.
Joints and connections
Transverse rod to spaced plate surfaces
Retainer utilizes or abuts plural plates
362220, 362226, F16B 708, F16B 900
Patent
active
044286961
ABSTRACT:
In a lighting system having lighting fixtures including end plates and a method of assembling same with rigid conduit connectors therebetween, each end plate is formed with at least one alignable key hole thereon having a substantially circular Archimedean spiral circumference and each conduit connector comprises a tube having a substantially circular Archimedean spiral surface configured to be longitudinally slidably received in each key hole in one given angular orientation and to provide a friction-tight fit in the key hole in response to rotation of the tube around its longitudinal axis is one direction from said one given angular orientation.
REFERENCES:
patent: 2016284 (1935-10-01), Knight
patent: 2656087 (1953-10-01), Sharrock
patent: 2850300 (1958-09-01), Jennings
patent: 3615111 (1971-10-01), Grosseau
patent: 4098555 (1978-07-01), Vollenweider
Edison Price Incorporated
Shedd Wayne L.
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