Lightweight battery powered suction broom
First Claim
1. In a vacuum cleaner assembly comprising a hollow nozzle assembly, a vacuum pump, a filter, and means for directing air from said nozzle assembly to said pump by way of said filter bag, the improvement wherein said vacuum cleaner assembly further comprises a mounting frame, a mounting arrangement for mounting said pump and nozzle assembly in spaced apart relationship to said mounting frame, and said directing means comprises a canister removably mounted to said mounting frame between said nozzle assembly and pump and having a longitudinal recess extending along one edge thereof, said filter bag being removably held in said canister, said mounting frame extending in said recess and inhibiting relative rotation of said canister about its longitudinal axis.
2 Assignments
0 Petitions
Accused Products
Abstract
A lightweight broom having a rechargeable battery powered vacuum pump and a mounting assembly for pivotally mounting a nozzle. The mounting assembly and power assembly are spaced apart on a frame carrying both assemblies, and a filter bag arrangement is removably received therebetween. The filter bag arrangement includes a canister adapted to removably fit on a frame between the mounting assembly and the power assembly.
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Citations
19 Claims
- 1. In a vacuum cleaner assembly comprising a hollow nozzle assembly, a vacuum pump, a filter, and means for directing air from said nozzle assembly to said pump by way of said filter bag, the improvement wherein said vacuum cleaner assembly further comprises a mounting frame, a mounting arrangement for mounting said pump and nozzle assembly in spaced apart relationship to said mounting frame, and said directing means comprises a canister removably mounted to said mounting frame between said nozzle assembly and pump and having a longitudinal recess extending along one edge thereof, said filter bag being removably held in said canister, said mounting frame extending in said recess and inhibiting relative rotation of said canister about its longitudinal axis.
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3. In a vacuum cleaner assembly comprising a hollow nozzle assembly, a vacuum pump, a filter bag, and means for directing air from said nozzle assembly to said pump by way of said filter bag, the improvement wherein said vacuum cleaner assembly further comprises a mounting frame, a mounting arrangement for mounting said pump and nozzle assembly in spaced apart relationship to said mounting frame, and said directing means comprises a canister removably mounted to said mounting frame between said nozzle assembly and pump, said filter bag being removably held in said canister, said directing means further comprising a hollow mounting assembly mounted on said frame, said nozzle assembly being pivotally mounted on said mounting assembly, whereby air from said nozzle assembly passes through said hollow mounting assembly, one end of said canister being removably received in a recess in said hollow mounting assembly, and further comprising a power assembly housing containing said vacuum pump, and a latching arrangement on said power assembly housing positioned to releasably hold said canister to said mounting frame, whereby upon release of said latching arrangement said canister may be removed from said recess by rotating said end of said canister with respect to said mounting assembly.
- 4. A portable vacuum cleaner comprising a frame, a hollow mounting arrangement and a power assembly fixedly mounted in spaced apart relationship on said frame, said power assembly including a vacuum pump, a filter assembly including a canister having a longitudinal recess extending along one side thereof, said canister being removably fitted between said mounting arrangement and said power assembly with said frame extending in said recess whereby said vacuum pump draws air through said mounting arrangement means and canister to said vacuum pump when said canister is fitted between said mounting arrangement and power assembly, and a hollow nozzle mounted on said mounting arrangement.
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18. In a vacuum cleaner assembly comprising a hollow nozzle assembly, a vacuum pump, a filter bag, and means for directing air from said nozzle assembly to said pump by way of said filter bag, the improvement wherein said vacuum cleaner assembly further comprises a mounting frame, a mounting arrangement for mounting said pump and nozzle assembly in spaced apart relationship to said mounting frame, said directing means comprising a canister removably mounted to said mounting frame between said nozzle assembly and pump, said filter bag being removably held in said canister, said nozzle assembly being pivotally mounted to said mounting arrangement and having a lower surface, a duct forming part of the directing means and extending centrally through said lower surface and communicating with said canister by way of said mounting assembly, at least one ground engaging wheel having a fixed axis and mounted forwardly of said duct, and at least one ground engaging wheel having a fixed axis and mounted rearwardly of said duct, the axis of pivoting of said nozzle being parallel to and in a vertical plane between the axis of the wheels, said nozzle assembly comprising upper and lower nozzle portions, said lower surface being the lower surface of said lower nozzle portion, said mounting arrangement comprising a mounting cylinder having a transversely extending port, said upper and lower nozzle portions having semicylindrical surfaces rotatably engaging said mounting cylinder for pivotally mounting said nozzle on said mounting cylinder with said duct communicating with said port.
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19. A portable vacuum cleaner comprising a frame, a hollow mounting arrangement and a power assembly fixedly mounted in spaced apart relationship on said frame, said power assembly including a vacuum pump, a filter assembly including a canister removably fitted between said mounting assembly and said power assembly whereby said vacuum pump draws air through said mounting arrangement and canister to said vacuum pump when said canister is fitted between said mounting arrangement and power assembly, a hollow nozzle mounted on said mounting arrangement, said mounting arrangement having a rearwardly extending rim defining a recess for receiving the forward end of said canister, said power assembly having a forward surface for engaging the rear end of said canister that is inclined to the longitudinal axis of said cleaner, a latch mounted to releasably hold the rear end of said canister to said power assembly, whereby said canister may be removed from said vacuum cleaner by release of said latch and rotational movement of the canister in one direction with respect to said recess, and means inhibiting removal of said canister from said vacuum cleaner in all other directions.
Specification