Planetary gear system for sweeper brush roll
First Claim
Patent Images
1. A floor sweeper comprising:
- a housing;
a brush roll rotatably mounted on said housing;
a gear cartridge member located on one side of said housing, said gear cartridge member comprising;
a first planetary gear train including a sun gear coupled to one end of said brush roll, a gear ring encircling said sun gear and a plurality of planet gears engaging both said sun gear and said gear ring,a first drive wheel coupled to said gear ring for driving said gear ring and supporting said housing on a subjacent surface, anda casing enclosing said first planetary gear train in a sealed manner.
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Accused Products
Abstract
A floor sweeper includes a housing and wheels rotatably mounted on the housing for supporting the housing on a subjacent surface. A brush roll is rotatably mounted on the housing. A pair of gear cartridge members are located on opposite sides of the housing. Each of the gear cartridge members includes a first planetary gear train including a sun gear coupled to a respective end of the brush roll, a gear ring encircling the sun gear and a plurality of planet gears engaging both the sun gear and gear ring. A first drive wheel is coupled to the gear ring and a casing encloses the first planetary gear train.
49 Citations
20 Claims
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1. A floor sweeper comprising:
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a housing; a brush roll rotatably mounted on said housing; a gear cartridge member located on one side of said housing, said gear cartridge member comprising; a first planetary gear train including a sun gear coupled to one end of said brush roll, a gear ring encircling said sun gear and a plurality of planet gears engaging both said sun gear and said gear ring, a first drive wheel coupled to said gear ring for driving said gear ring and supporting said housing on a subjacent surface, and a casing enclosing said first planetary gear train in a sealed manner. - View Dependent Claims (4, 5, 6, 7, 8, 9)
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2. The sweeper of claim wherein said casing comprises:
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a first casing half; a plurality of stakes extending from and normal to said first casing half, each said stake rotatably supporting one of said planet gears; and
,a second casing half which mates with said first casing half. - View Dependent Claims (3)
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10. A floor sweeper comprising:
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a housing; a brush roll rotatably mounted at each end to said housing; a gear cartridge located on a first side of said housing, said gear cartridge member comprising; at least one planetary gear train including a sun gear rotatably coupled to an end of said brush roll, a gear ring encircling said sun gear and a plurality of planet gears engaging both said sun gear and said gear ring, a drive wheel encircling said gear ring of said at least one planetary gear train and secured thereto, said drive wheel engaging a subjacent ground surface, and a casing enclosing said at least one planetary gear train in a sealed manner wherein said casing comprises; a first casing half, a plurality of stakes extending from and normal to said first casing half, each said stake rotatably supporting one of said planet gears and, a second casing half which mates with said first casing half. - View Dependent Claims (11, 12, 13, 14)
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15. A floor sweeper comprising:
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a housing; a brush roll rotatably mounted on said housing; a pair of gear cartridge members located on opposite sides of said housing, each of said gear cartridge members comprising; a first planetary gear train including a sun gear coupled to a respective end of said brush roll, a ring gear encircling said sun gear and a plurality of planet gears engaging both said sun gear and said ring gear, a first drive wheel coupled to said ring gear for driving said ring gear and supporting said housing on a subjacent surface, and a casing enclosing said first planetary gear train in a sealed manner wherein said casing comprises a pair of casing halves which have mating edges to keep out dirt. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification