Quick-connection coupling

Details Quick-connection coupling Quick-connection coupling

1994-03-18

1996-01-30

Arola, Dave W.

Pipe joints or couplings

Essential catch

With manipulator

285340, F16L 37084

Patent

active

054875722

ABSTRACT:
A coupling device for a tube, the device comprising a body provided with a bore for receiving the end of said tube, and means for retaining the tube in the bore, which means are constituted by an elastically deformable washer that is substantially frustoconical in shape whose inside circumference is of a diameter smaller than the outside diameter of the tube and which is subdivided into a plurality of teeth, the outside portion of the washer being disposed in a groove formed in the bore. Each tooth possesses a short root portion which, at rest, extends in a radial plane, and an active portion that is inclined relative to the radial plane of the root, and each tooth is connected to the teeth adjacent thereto via small section peripheral link portions of length not less than the length of each tooth.

REFERENCES:
patent: 2445580 (1948-07-01), Kasten
patent: 4123090 (1978-10-01), Kotsakis et al.
patent: 4124235 (1978-11-01), Grahl
patent: 4747626 (1988-05-01), Hama et al.
patent: 4919457 (1990-04-01), Moretti

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