Motor vehicles – Steering gear – Each wheel steerable
Reexamination Certificate
2007-03-20
2007-03-20
Hurley, Kevin (Department: 3611)
Motor vehicles
Steering gear
Each wheel steerable
C180S446000, C180S006500, C180S006280
Reexamination Certificate
active
10405072
ABSTRACT:
There are two basic methods of steering a wheeled vehicle. One method is to turn one or more steerable wheels. The other is to drive one or more left hand wheels independently of one or more right hand wheels. Traditional vehicles address the potential conflict between the two steering systems by either disabling one system or by causing one to overpower the other. This leads to skidding or scuffing problems respectively. In the present invention both steering systems are enabled but are integrated by means of an on board computer so that they always act in unison. This mutual reinforcement will allow the invention to operate safely on steep or slippery slopes while minimizing fuel consumption and ground damage. The invention will also be more maneuverable than traditional vehicles since it is capable of both pure rotation and pure translation or any combination of rotation and translation.
REFERENCES:
patent: 4237994 (1980-12-01), McColl
patent: 5014802 (1991-05-01), Knoll et al.
patent: 5143400 (1992-09-01), Miller et al.
patent: 5402344 (1995-03-01), Reister et al.
patent: WO 98/19875 (1998-05-01), None
patent: WO 00/32462 (2000-06-01), None
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