Coupling for vacuum systems

Details Coupling for vacuum systems Coupling for vacuum systems

1978-12-06

1980-10-28

Arola, Dave W.

Pipe joints or couplings

Vacuum cleaner type

285 24, 285 38, 285317, 285320, 285DIG2, 339 44R, A47I 924

Patent

active

042303451

ABSTRACT:
A coupling for a vacuum system includes a socket member and a plug member. The socket member has a body defining a through bore opening at a front face. A cover supporting a gasket is pivotally carried on the socket member and adapted to cover and seal the through bore opening. The plug member includes a body defining a tubular nipple dimensioned to be received within the socket member through bore. A seal is carried by the plug member and positioned to engage the front face of the socket member when the nipple is inserted into the socket member. A lock pin is carried by the cover and dimensioned to fit within a recess defined by the plug member body.

REFERENCES:
patent: 1384491 (1921-07-01), Simmon
patent: 1432583 (1922-10-01), Williams
patent: 2636518 (1953-04-01), Strebel
patent: 2771308 (1956-11-01), Vitcha et al.
patent: 3480252 (1969-11-01), Simons
patent: 3482205 (1969-12-01), Senior
patent: 3682500 (1972-08-01), Hamrick
patent: 3943325 (1976-03-01), Pickard

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