Land vehicles – Wheeled – Attachment
Patent
1978-07-10
1979-11-27
Mitchell, David M.
Land vehicles
Wheeled
Attachment
280808, B60R 2110
Patent
active
041757734
ABSTRACT:
A passive three-point lap and shoulder belt system includes a continuous loop of belt which is slidably mounted on the door adjacent the occupant's shoulder by a slide loop or pulley and has both ends mounted on the body inboard the occupant seat to define a double strand diagonal shoulder belt. A retractor provides the mounting of one of the shoulder belt ends to the vehicle body so that the shoulder belt is extended from the retractor and through the slide loop upon opening movement of the door and is retracted upon closing movement of the door. The lap belt has one end attached to the vehicle door generally adjacent the hip of the occupant and the other end attached on the shoulder belt strand mounted by the retractor and at a point thereon which travels from inboard the occupant when the door is closed to a position intermediate the retractor and the door mounted slide loop upon opening movement of the door. Each increment of door opening movement causes the shoulder belt to be unwound from the retractor by a distance equal to twice the increase in distance between the retractor and the door mounted slide loop so that the lap belt inboard end is lifted upwardly and moved laterally outwardly of the occupant to facilitate occupant ingress and egress.
REFERENCES:
patent: 3679229 (1972-07-01), Westrate
patent: 3770294 (1973-11-01), Hammer
patent: 3833239 (1974-09-01), Coenen
patent: 4138142 (1979-02-01), Wize
"Belt Patent Donated," Automotive News, Jan. 4, 1971, p. 29.
General Motors Corporation
Leahy Charles E.
Mitchell David M.
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