In-line hose swivel

Details In-line hose swivel In-line hose swivel

1978-01-30

1979-05-01

Callaghan, Thomas F.

Pipe joints or couplings

Vacuum cleaner type

285253, 285272, 285423, 285DIG4, 285DIG16, F16L 1310, F16L 2700

Patent

active

041520149

ABSTRACT:
A swivel coupling for joining lengths of flexible hose together incorporates a pair of cylindrical coupling members rotatably supported within a cylindrical housing at opposite ends thereof. Each of the rotary coupling members comprises an inner sleeve and an outer coupling collar joined by an annular shoulder segment. The annular shoulders bear against adjacent shoulders on opposite ends of the outer housing to restrain the rotary coupling members against outward displacement from the housing. Tubular end segments on each of the coupling collars project outwardly from the ends of the housing for the attachment of lengths of hose thereto.

REFERENCES:
patent: 929734 (1909-08-01), Walder
patent: 1372297 (1921-03-01), Kennedy
patent: 2862731 (1958-12-01), Hedden et al.
patent: 3017654 (1962-01-01), Allenby et al.
patent: 3785683 (1974-01-01), Adelhed
patent: 3857588 (1974-12-01), Curtin
patent: 4022205 (1977-05-01), Tenczar

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