Land vehicles – Wheeled – Attachment
Patent
1986-08-25
1988-02-16
Bertsch, Richard A.
Land vehicles
Wheeled
Attachment
297395, B60R 2102, B60R 2110
Patent
active
047250763
ABSTRACT:
A vehicle head rest is pivotally mounted on the vehicle roof. An occupant seat belt includes a shoulder belt having its upper end connected to the head rest so that lockup of the retractor locks the shoulder belt to tether the head rest at an occupant restraining position. The upper end of the shoulder belt may pass slidably through the head rest and have its end attached to the seat so that the occupant restraining load imposed on the seat belt is divided between the head rest and the seat. In addition, spiral spring may have an upper end wound around the pivot axis of the head rest, and intermediate portion extending slidably through the head rest and a lower end attached to the seat backs so that fore and aft adjusting movement of the seat winds and unwinds the spiral spring which in turn adjusts the head rest forwardly and rearwardly in coordination with the seat.
REFERENCES:
patent: 3311413 (1967-03-01), Martens
patent: 3810657 (1974-05-01), Campbell
patent: 3829123 (1974-08-01), Holka
patent: 3946788 (1976-06-01), Kmetyko
patent: 4249754 (1981-02-01), Best
patent: 4285545 (1981-08-01), Protze
patent: 4433858 (1984-02-01), Taylor et al.
patent: 4568107 (1986-02-01), Biviano
patent: 4621835 (1986-11-01), Edwards
patent: 4645234 (1987-02-01), Koide
Bertsch Richard A.
General Motors Corporation
Leahy Charles E.
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