Passive seatbelt system

Details Passive seatbelt system Passive seatbelt system

1980-03-27

1982-03-30

Peters, Jr., Joseph F.

Motor vehicles

With belt or harness for restraining occupant, and means...

280804, 318484, B60R 2102

Patent

active

043219799

ABSTRACT:
A seatbelt system for restraining and protecting an occupant in an emergency of a vehicle, and more particularly to improvements in a fully passive type seatbelt system wherein a motor for driving the webbing is automatically actuated in accordance with the actions of an occupant entering or leaving the vehicle so as to fasten the webbing to the occupant or release the webbing from the occupant. When a closed door condition is detected by a door switch for detecting the opened or closed door condition, the motor is actuated to fasten the webbing to the occupant. When an opened door condition is detected by the door switch, the motor is actuated to release the webbing from the occupant. When limit switches detect the movement of the webbing to a normal fastened position or a normal released position are not actuated within a given period of time during which the webbing is being driven by the motor, the driving of the webbing by the motor is brought to a stop. A manual switch is provided for such situations, and when actuated is effective to override the stopped-condition of the motor. When (1) the webbing is not in a normal fastened position and the door switch detects that the door is closed, (2) when a manually operated spool release switch releases the webbing from the occupant, or (3) when any combination of the aforementioned occurs, a warning device is actuated.

REFERENCES:
patent: 3986093 (1976-10-01), Wakamatsu et al.
patent: 4110673 (1978-08-01), Nagy et al.
patent: 4175633 (1979-11-01), Andres et al.

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