US 4,286,804 AGranted

Seat-belt system

AssigneeMitsubishi Jidasha Kogyo Kabushiki Kaisha

InventorsNaozane Maekawa, Takeshi Awano

Life of this patent

Estimating the term…

Loading patent…

Abstract

A seat-belt system for a vehicle, automatically restraining and releasing the driver or a passenger in response to the closing and opening of the door, respectively, which system comprises a hip belt with one end thereof connected to a hip-belt anchor fixed near the center side of the seat and the other end wound around a hip-belt retractor fixed to the lower rear of the door through a run-through member slidably guided on the door, a shoulder belt with one end thereof connected to a shoulder-belt anchor slidably guided along a roof rail above the seat and other end wound around a shoulder-belt retractor fixed near the center side of the seat, and a driving mechanism adapted to function on sensing the closing and opening of the door so as to move the run-through member and the shoulder-belt anchor to the restraining and non-restraining position, respectively, whereby the seat-belt system securely holds the driver or the passenger in position when the door is closed and releases him or her from the seat to get on and off the car when the door is opened, with a minimum of offensiveness to the visual and tactual senses.

Claims41

Dependent claims

A seat-belt system comprising a first guide provided on a door, the door being on one side of a car seat and the front end thereof being hinged to a car body, so as to extend from the lower rear to the upper front of the door, run-through means having an opening for permitting a belt to pass therethrough and guided by the first guide, a hip-belt anchor fastened to either of the seat and car body so as to rest near the car center side of the seat, a hip-belt retractor fastened to the lower rear of the door, a hip belt with one end thereof connected to the hip-belt anchor and the other end passed through the run-through means and wound around the hip-belt retractor fastened to the lower rear of the door, a second guide attached to a car roof rail on one roof side above the seat so as to extend along the longitudinal axis of the car body, a shoulder-belt anchor guided by the second guide, a shoulder-belt retractor fastened to either of the seat and car body so as to rest near the car center side of the seat, releasing means interposed between the shoulder-belt retractor and either of the seat and car body for releasing the shoulder-belt retractor therefrom, a shoulder belt with one end thereof connected to the shoulder-belt anchor and the other end wound around the shoulder-belt retractor, and driving means responsive to the opening and closing of the door for moving the run-through means to the upper end of the first guide and the shoulder-belt anchor to the front end of the second guide when the door opens, and for moving the run-through means to the lower end of the first guide and the shoulder-belt anchor to the rear end of the second guide when the door closes.

Dependencies are inferred from the claim text.