Automatic dustpan member for central vacuum cleaning system

Details Automatic dustpan member for central vacuum cleaning system Automatic dustpan member for central vacuum cleaning system

1993-12-27

1995-04-25

Moore, Christopher K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15339, A47L 538

Patent

active

054087210

ABSTRACT:
An automatic dustpan apparatus for central vacuum cleaning systems has a hollow body member that is configured for built-in mounting under cabinetry or in walls adjacent a floor surface, and connection to a conventional central vacuum cleaning system whereby debris on a floor surface may simply be swept to the vicinity of the automatic dustpan and hence into the central vacuum cleaning system where it is discarded. A valve within the dustpan body automatically closes when the dustpan is not in use to permit the other receptacles in the central vacuum cleaning system to function and provision is made to assure against the energizing of the central vacuum cleaning motor when the automatic dustpan is to be used until after the valve of the dustpan has been opened, in order to prevent harmful overloading and other undue damaging strains on the motor during its initial startup and operation.

REFERENCES:
patent: 3027587 (1962-04-01), Bierstock
patent: 3027588 (1962-04-01), Bierstock
patent: 5083704 (1992-01-01), Rounthwaite
patent: 5279016 (1994-01-01), Klassen

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