Tension reducer

Details Tension reducer Tension reducer

1995-02-01

1997-04-29

Darling, John P.

Winding, tensioning, or guiding

Reeling device

With spring motor

B60R 2244

Patent

active

056240848

ABSTRACT:
A spring-driven reeling mechanism for safety belts 17 in motor vehicles has a belt reel 11 which is rotationally fixedly connected to a first draw reel 12 with a spiral-shaped guide groove 15. A flexible draw member 13 is wound into the guide groove 15 and extends to a second draw reel 14 with a spiral-shaped guide groove 18. The two draw reels 12, 14 taper in opposite axial directions. The draw reel 14 is acted on by a spiral spring 16 in a direction of rotation such that the safety belt 17 is wound onto the belt reel 11. The spiral spring 16 is accommodated in a hollow cavity 21 of the second draw reel 14.

REFERENCES:
patent: 924669 (1909-06-01), Johnson
patent: 1968536 (1934-07-01), Norling
patent: 3075724 (1963-01-01), Stahmer
patent: 4084765 (1978-04-01), Bonnaud
patent: 4290564 (1981-09-01), Karlsson
patent: 4494709 (1985-01-01), Takada
patent: 5074483 (1991-12-01), Wang
patent: 5314137 (1994-05-01), Fujimura et al.
patent: 5409176 (1995-04-01), Kopetzky
"Introduction to the Construction of Die Cast Tools" by Georg Menges and Paul Mohren, pp. 420-427, 1991.
"Foundation of Die Casting Technology" by Walter Mink, pp. 390-411, 1979.
"Plastics Moulds" by Kurt Rabe, p. 44, 1960.

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