Pipe joints or couplings – Socket – Lugged pipe – rotary engagement
Patent
1992-01-16
1992-09-22
Reese, Randolph A.
Pipe joints or couplings
Socket
Lugged pipe, rotary engagement
285401, 285396, 285397, 403292, 403348, F16L 3700
Patent
active
051491494
ABSTRACT:
A pipe connecting device for detachably connecting two tubes into a support to be used in a floor lamp, the pipe connecting device comprising two bushes respectively fastened in two tubes at the connecting ends thereof in a flush manner, the bushes each having a curved locating groove extending from a longitudinal guide groove thereof, and a pipe connector for connecting the two bushes together, said pipe connector having a circular outward flange at the middle and two unitary pins projecting from an outer wall surface thereof at right angles, wherein the two tubes can be detached from each other when the guide groove on either bush is aligned with each other, or firmly connected together when said two unitary pins are respectively engaged into the locating grooves on the two bushes.
REFERENCES:
patent: 745679 (1903-12-01), Schulze
patent: 904603 (1908-11-01), Crocker
patent: 2913260 (1959-11-01), Givens
patent: 3470524 (1969-09-01), Culver
patent: 4361353 (1982-11-01), Vinson
Aberle Timothy
Reese Randolph A.
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