Automatic passive safety seat belt system for a vehicle

Details Automatic passive safety seat belt system for a vehicle Automatic passive safety seat belt system for a vehicle

1980-11-25

1983-01-11

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Attachment

310148, 318292, B60R 2100

Patent

active

043678874

ABSTRACT:
A passive safety seat belt system for a vehicle includes a belt that is driven between a restraint position and a release position by a direct current electric motor having first and second brushes positioned diametrically opposite each other on the commutator. A third brush is positioned adjacent the second brush and contacts the commutator. When the first and second brushes are connected to a source of current to energize the motor, the motor produces a first torque output in a forward direction, and when the first and third brushes are connected with a source of current to energize the motor, the motor produces a second torque smaller than the first torque and in a reverse direction. The motor operates in the forward direction to drive the belt system from the release position to the restraint position in one time period, and operates in the reverse direction to drive the belt system from the restraint position to the release position in approximately the same time period.

REFERENCES:
patent: 3310722 (1967-03-01), Diello
patent: 4281853 (1981-08-01), LeVeux

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