Safety seat belt for a vehicle, especially an aircraft

Details Safety seat belt for a vehicle, especially an aircraft Safety seat belt for a vehicle, especially an aircraft

1990-07-13

1991-08-13

Cranmer, Laurie K.

Chairs and seats

Body or occupant restraint or confinement

Safety belt or harness; e.g., lap belt or shoulder harness

297472, A62B 3500

Patent

active

050391682

ABSTRACT:
In a belt strap for a restraint system for restraiing a passenger in a vehicle seat in the event of a collision, the belt strap includes regions which mechanically absorb energy. Such a seat belt includes elements for increasing the contact surface of the belt strap with the passenger's body so that the force transmitted to the passenger's body in the event of a collision is reduced. The belt may include colored material which discolors over time or plastically deformable colored threads to indicate if the belt's elasticity has decayed due to aging or due to over-extension of the belt. The belt has a modulus of elasticity which varies across its width so that the belt edges roll away from the passenger in the event of a collision. An information label indicating the expiration date of the usable duty lifetime of the safety belt may be provided.

REFERENCES:
patent: 3302973 (1967-02-01), Ravau
patent: 3550957 (1970-12-01), Radke
patent: 3861744 (1975-01-01), Yamada
patent: 3891272 (1975-06-01), Takada
patent: 3937407 (1976-02-01), Matsuo
patent: 4588208 (1986-05-01), Yoshitsuga
patent: 4854608 (1989-08-01), Barral

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