Hose coupling

Details Hose coupling Hose coupling

1984-03-15

1985-06-25

Callaghan, Thomas F.

Pipe joints or couplings

Identical halves

Longitudinal port

285258, 285362, 285380, F16L 3320

Patent

active

045249970

ABSTRACT:
A hose coupling for connecting lengths of fire hose is formed by coupling halves. Each coupling half includes a hose connection piece and a cam ring rotatable relative to the hose connection piece. The cam rings provide a bayonet-type locking engagement. The hose connection piece has two serially arranged axially extending sections each of different diameters. The larger diameter section receives and holds a length of the fire hose. A neck on the cam ring is rotatably attached to the smaller diameter section. The neck on the cam ring is held on the smaller diameter section against movement in the axial direction. A resilient back-springing holding ring is located adjacent the free end of a smaller diameter section in a recess in the section. The holding ring in combination with the free end of the smaller diameter section forms an annular space in which a sealing ring for the coupling is secured.

REFERENCES:
patent: 175232 (1876-03-01), Work et al.
patent: 744505 (1903-11-01), Dixon
patent: 922132 (1909-05-01), Gold
patent: 1838313 (1931-12-01), Kohr
patent: 2253018 (1941-08-01), Cowles
patent: 2386109 (1945-10-01), Glessner

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