Thermally protected vacuum hose assembly

Details Thermally protected vacuum hose assembly Thermally protected vacuum hose assembly

1978-11-03

1979-09-25

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

29622, 318472, A47L 928

Patent

active

041685644

ABSTRACT:
A vacuum hose assembly, method of making same, and vacuum cleaner employing same are provided wherein the hose assembly comprises a thermally actuated switch which breaks the electrical circuit through cooperating electrical leads of an electrical system thereof once a predetermined temperature level is reached by the switch to prevent the possibility of fire and electrical shock in the event of fire-exposed leads.

REFERENCES:
patent: 3636285 (1972-01-01), Wickham et al.
patent: 3697812 (1972-10-01), Hehl
patent: 3956725 (1976-05-01), Merrill et al.

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