Tube couplings

Details Tube couplings Tube couplings

2008-09-16

2008-09-16

Bochna, David E (Department: 3679)

Pipe joints or couplings

Movable jaw

C285S092000

Reexamination Certificate

active

11346113

ABSTRACT:
A tube coupling comprises a coupling body having an open ended throughway, an annular shoulder in the throughway, an ‘O’ ring seal located against the annular shoulder and a collet located in the open end of the throughway. The collet has a head projecting out of the throughway and resilient arms extending into the throughway to engage a tapered cam surface adjacent the open end. A ring is disposed in the throughway between the collet and ‘O’ ring seal. The side of the ring adjacent the collet has a ramp around its inner periphery to engage the ends of the collet arms when the collet is depressed into the throughway and the other side of the ring has a ramp around its inner periphery to engage and hold the ‘O’ ring seal in alignment in the throughway when the collet is depressed into the throughway.

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