Battery powered vacuum cleaner
First Claim
Patent Images
1. A vacuum cleaner comprising:
- a floor engaging unit including a vacuum nozzle, and a vacuum pump;
a handle assembly pivotally mounted to said floor engaging unit, said handle assembly including a housing having a removable cover, an externally accessible recess, electrical contacts in said recess, and a dirt tube in said housing having a port for removably receiving a porous dust bag;
a flexible tube arrangement coupling said dirt tube to said vacuum pump whereby dirt-laden air is drawn by said pump from said nozzle to be directed through said port;
means for connecting said electrical contacts to said vacuum pump;
a battery assembly in said recess and having battery contacts releasably contacting said electrical contacts; and
means for releasably holding said battery assembly in said recess.
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Abstract
This invention relates to improvements in vacuum cleaners, and is more in particular directed to the provision of a battery powered upright vacuum cleaner.
64 Citations
13 Claims
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1. A vacuum cleaner comprising:
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a floor engaging unit including a vacuum nozzle, and a vacuum pump; a handle assembly pivotally mounted to said floor engaging unit, said handle assembly including a housing having a removable cover, an externally accessible recess, electrical contacts in said recess, and a dirt tube in said housing having a port for removably receiving a porous dust bag; a flexible tube arrangement coupling said dirt tube to said vacuum pump whereby dirt-laden air is drawn by said pump from said nozzle to be directed through said port; means for connecting said electrical contacts to said vacuum pump; a battery assembly in said recess and having battery contacts releasably contacting said electrical contacts; and means for releasably holding said battery assembly in said recess. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. In a vacuum cleaner including a floor engaging unit and a handle assembly pivotally mounted thereto, the floor engaging unit including an electrically operated vacuum pump, the improvement comprising a battery assembly removably mounted in said handle assembly, said battery assembly comprising a box adapted to be mounted in said housing and enclosing a battery for energizing said motor and a circuit including a charging circuit connected to said battery and a manually resettable circuit breaker connected to said battery and accessible from the exterior of said handle assembly.
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9. In a vacuum cleaner having a vacuum pump for directing dust laden air from a nozzel to a dust container therein, said vacuum pump including a motor, and a rechargeable battery connected to energize said motor, the improvement comprising idicator means connected to said battery, said indicator means comprising a plurality of separate indicator lamps, each lamp discretely indicating a determined level of the state of charge of said battery.
- 10. In a vacuum cleaner having a vacuum pump for directing dust laden air from a nozzle to a dust bag removably mounted therein, said vacuum pump including a motor, said vacuum cleaner including a housing, the improvement comprising a recess in said housing for removable receiving a battery assembly, a pair of resilient contact fingers mounted to said housing and having first ends extending into said recess for contacting terminals of said battery and means for releasably connecting the other ends of said fingers to said motor.
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13. In a vacuum cleaner including a floor engaging unit and a handle assembly pivotally mounted thereto the vacuum cleaner including an electrically operated vacuum pump, the improvement comprising a battery assembly removably mounted in said handle assembly, said battery assembly comprising a box adapted to be mounted in said housing and enclosing a battery for energizing said motor and a circuit including a charging circuit connected to said battery and a manually resettable circuit breaker connected to said battery and accessible from the exterior of said handle assembly.
Specification