Planetary wheel drive using bushings
First Claim
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1. A planetary wheel drive, comprising:
- a stationary spindle and a rotatable housing;
wherein said rotatable housing has an internal ring gear;
an input stage and an output stage;
wherein said input stage includes an input sun gear, an input planet gear,an input planet pin and an input planet carrier;
wherein said input planet gear meshes with said internal ring gear of said rotatable housing;
wherein said input planet carrier drives said output planet stage;
wherein said output stage includes an output sun gear, an output planet gear, an output planet pin and an output planet carrier;
wherein said output planet gear meshes with said internal ring gear of said rotatable housing;
wherein said output planet carrier has a locking lug extending outward from at least a portion thereof;
wherein at least a portion of said locking lug of said output planet carrier is received within at least a portion of one or more notches in a bearing nut that is threadingly connected to at least a portion of said stationary spindle.
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Abstract
A planetary wheel drive uses: main bushings affixed to a rotatable housing between a stationary spindle permitting the rotatable output housing to rotate with respect to the stationary spindle, and, planet bushings affixed to rotatable planet gear between a planet pin permitting the planet gear to rotate with respect to the planet pin. The main bushings have two sides, a first side which is press fit into the rotatable output housing and a second side which includes a sliding layer which mates with a surface of the stationary housing.
36 Citations
20 Claims
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1. A planetary wheel drive, comprising:
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a stationary spindle and a rotatable housing; wherein said rotatable housing has an internal ring gear; an input stage and an output stage; wherein said input stage includes an input sun gear, an input planet gear, an input planet pin and an input planet carrier; wherein said input planet gear meshes with said internal ring gear of said rotatable housing; wherein said input planet carrier drives said output planet stage; wherein said output stage includes an output sun gear, an output planet gear, an output planet pin and an output planet carrier; wherein said output planet gear meshes with said internal ring gear of said rotatable housing; wherein said output planet carrier has a locking lug extending outward from at least a portion thereof; wherein at least a portion of said locking lug of said output planet carrier is received within at least a portion of one or more notches in a bearing nut that is threadingly connected to at least a portion of said stationary spindle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification