Tube couplings

Details Tube couplings Tube couplings

2007-12-07

2011-11-15

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

Essential catch

Leaf spring

C285S081000, C285S323000

Reexamination Certificate

active

08056937

ABSTRACT:
A tube coupling includes a coupling body having a stem with an end to engage in a tube and an encircling head spaced from said end. A cap is mounted on the head having an open end encircling the stem to receive a tube inserted into the cap over the stem, the cap having an internal tapered cam surface. A tube locking collet is located in the open end of the cap and includes an annular member having a plurality of resilient fingers which engage the tapered cam surface. The cap includes a sleeve having a cylindrical main portion which encircles and is mounted on the head of the coupling body. The main portion projects along the stem and a portion of reducing diameter which provides said internal tapered cam surface with which the collet engages and the cap has locking elements which engage the head of the coupling body.

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