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US 4,119,344 AGranted
Vehicle seat belt assembly with improved buckle section
AssigneeNissan Motor Co., Ltd.
InventorIori Kondo
Life of this patent
Estimating the term…
Abstract
An anchor element and a buckle are interconnected by a plurality of plastic elastic filaments which are twisted about a common axis to form a single twisted strand. A solid plastic enclosure is formed integrally around the anchor element, the twisted strand and a portion of the buckle by injection molding.
Claims8
In a vehicle safety seat belt, a buckle section comprising,
- an anchor element at one end of the buckle section to be fastened to a fixed part of the vehicle body,
- a buckle at the other end of the buckle section with a lug portion,
- a single twisted strand connected between said anchor element and said lug portion of the buckle, said twisted strand being formed by connecting said anchor element and the lug portion of said buckle with plastic threads and thereafter twisting the threads together about the longitudinal axis thereof by rotating said anchor element relative to the lug portion of said buckle, and
- a solid plastic enclosure integrally formed around said anchor element, twisted strand and lug portion.
1 more element
A method for making a buckle section of a vehicle safety seat belt, comprising
- connecting with plastic threads an anchor element and the lug portion of a buckle,
- twisting the threads about the longitudinal center axis thereof to form a single twisted strand by rotating said anchor relative to the lug portion of said buckle, and
- forming integrally a solid plastic enclosure around said anchor element, said twisted strand and the lug portion of said buckle.
A method for making a buckle section of a vehicle safety seat belt, comprising
- forming plastic threads into the shape of a loop,
- connecting with loop-shaped an anchor element and the lug portion of a buckle,
- twisting said loop-shaped threads about the longitudinal axis thereof to form a single twisted strand by rotating said anchor relative to the lug portion of said buckle, and
- forming integrally a solid plastic enclosure around said anchor element, said twisted strand and the lug portion of said buckle.
1 more element
Dependencies are inferred from the claim text.