Vehicular propulsion and positioning system
An apparatus is described for propelling and positioning a vehicle of the type having a chassis supported on wheels which consists of: a subframe; means supporting the subframe on the chassis of the vehicle for pivotal movement toward and away one of the wheels thereof; a drive shaft; means supporting the drive shaft on the subframe for rotation about a predetermined axis; a drive roller fixedly mounted on the drive shaft; means for selectively pivoting the subframe relative to the chassis of the vehicle and thereby selectively engaging and disengaging the drive roller with the one of the wheels of the vehicle; a housing supported on the drive shaft for pivotal movement about the axis thereof; a drive motor mounted on the housing; means operatively connecting the output of the drive motor to the drive shaft; the drive motor when actuated and when the drive roller is engaged with the one of the wheels of the vehicle comprising means for propelling the vehicle, and when nonactuated comprising means for locking the drive roller against rotation about the axis of the drive shaft; and means for selectively pivoting the housing about the axis of the drive shaft when the drive roller is engaged with the one of the wheels of the vehicle and locked against rotation and thereby selectively rotating the one of the wheels to position the vehicle.
- Assignee:
- Standard Manufacturing Co., Inc., Dallas, TX
- Patent Number(s):
- US 4596300
- OSTI ID:
- 5535978
- Resource Relation:
- Patent File Date: Filed date 20 Apr 1984
- Country of Publication:
- United States
- Language:
- English
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