Separable hose coupling

Details Separable hose coupling Separable hose coupling

1977-09-22

1979-08-07

Lake, Roy

Geometrical instruments

339 16R, H01R 304

Patent

active

041635930

ABSTRACT:
The present invention relates to a separable coupling for connecting a suction hose to a vacuum cleaner and at the same time establishing an electric circuit between conductors in the hose and in the cleaner and involves means for preventing short circuits in the coupling even though the latter may suffer a mechanical damage.

REFERENCES:
patent: 3387319 (1968-06-01), Ferraris et al.
patent: 3434092 (1969-03-01), Brown et al.

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