Safety interlock device for a vacuum cleaner

Details Safety interlock device for a vacuum cleaner Safety interlock device for a vacuum cleaner

1989-11-27

1991-01-01

Simone, Timothy F.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15377, 15410, 15412, A47L 536

Patent

active

049809458

ABSTRACT:
A vacuum cleaner has a disconnectable handle and dirt tube assembly mounted to a floor nozzle. The assembly includes a wire harness connector which mates to a corresponding connector in the floor nozzle to provide power to the floor nozzle components. The connectors are each securely mounted in their respective components, so that when the handle assembly is connected to the floor nozzle, the electrical connection is automatically made. Access to the floor nozzle components is had by removal of the floor nozzle cover. The handle assembly, when installed, is located in spaced relationship from the floor nozzle, overlying an arcuate portion of the floor nozzle top in all but a horizontal position of the handle assembly. When the handle assembly is in a horizontal position, a body edge of the handle assembly overlies projections on the nozzle cover. As a result, in any handle position, the nozzle top may not be removed until the handle assembly is removed from the floor nozzle, thereby disconnecting power to the floor nozzle.

REFERENCES:
patent: 4329757 (1982-05-01), Ramstrom et al.
patent: 4516289 (1985-05-01), Sumerau
patent: 4700429 (1987-10-01), Martin et al.
patent: 4724574 (1988-02-01), Bowerman et al.
patent: 4787117 (1988-11-01), Westergren

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