Coupler

Details Coupler Coupler

1981-03-11

1984-10-09

Arola, Dave W.

Pipe joints or couplings

For branched path

Y-type,

285119, 285376, 280421, 339 15, 339 49R, F16L 3900

Patent

active

044757514

ABSTRACT:
A coupler comprising a female coupling member and a male coupling member adapted to be fitted therein for coupling air conduits of two systems, i.e., an air pressure supply system and a control system thereof, wherein the coupling members have openings of a first and a second air conduit, respectively, at respective central portions of the mating faces and annular grooves concentric with and outer than the respective openings; third and fourth air conduits open at the respective grooves; the openings of the first and the second air conduit are connected with each other; an o-ring is disposed at the connecting portion between sidewalls of the respective openings; the annular grooves of the respective coupling members are engaged with each other; a second o-ring is disposed at the engaging portion of outer walls of the respective grooves; and the engaging portion of the inner walls of the grooves are air-tightly sealed by the first o-ring.

REFERENCES:
patent: 803648 (1905-11-01), Williams
patent: 2032096 (1936-02-01), Petznilk
patent: 3950017 (1976-04-01), Beurer
patent: 4142742 (1979-03-01), Cornett et al.
patent: 4183599 (1980-01-01), Wetzig

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