Seat belt retractor with cinch mechanism

Details Seat belt retractor with cinch mechanism Seat belt retractor with cinch mechanism

1994-10-24

1996-04-16

Jillions, John M.

Winding, tensioning, or guiding

Reeling device

With spring motor

B60R 22415

Patent

active

055074472

ABSTRACT:
A seat belt retractor (10) includes a spool (70) which is rotatable about a first axis (52). An idler gear (270) is disposed in an opening (254) in a drive disc (240) which is rotatable about the first axis (52). The idler gear (270) rotates, in response to rotation of the spool (70), about a second axis (256) which is spaced from the first axis (52). As the idler gear (270) rotates about the second axis (256), it also orbits about the first axis (52) and causes the drive disc (240) to rotate about the first axis. The drive disc (240) moves a cinch lever (200) into a cinching position to block rotation of the spool (70) in a belt withdrawal direction (76) after a first predetermined amount of webbing (16) is withdrawn from the spool (70) and then a second predetermined amount of webbing is rewound on the spool.

REFERENCES:
patent: 3794266 (1974-02-01), Schwartz
patent: 4309001 (1982-01-01), Ahad
patent: 4565338 (1986-01-01), Takada
patent: 4566649 (1986-01-01), Petersen, III
patent: 4747562 (1988-05-01), Tsukamoto et al.
patent: 4749143 (1988-06-01), Tsukamoto et al.
patent: 4767082 (1988-08-01), Schmidt et al.
patent: 5014926 (1991-05-01), Rumpf et al.
patent: 5294070 (1994-03-01), Sugano et al.

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