Self-locking safety belt reeling device with a shock-absorbing d

Details Self-locking safety belt reeling device with a shock-absorbing d Self-locking safety belt reeling device with a shock-absorbing d

1992-03-06

1993-10-26

Cuchlinski, Jr., William A.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

2421073, 280805, 280806, 297470, 297480, B60R 2228, B60R 2234, A62B 3504

Patent

active

052558681

ABSTRACT:
A self-locking safety belt reeling device comprising a reeling arbor disposed in a belt housing is further provided with a spring housing attached to the belt housing. A return spring and a shock-absorbing spring are arranged inside the spring housing whereby the return spring has a greater spring force than he shock-absorbing spring. A coupling wheel with a wheel shaft is rotatable supported inside the spring housing for coupling the return spring to the shock-absorbing spring such that, in a first operational state, the return spring and the shock-absorbing spring together function as a reeling spring, and, in a second operational state, only the shock-absorbing spring functions as the reeling spring. The coupling wheel is actuatable as a function of a reeling state of the safety belt. A rotational oil damper with a spindle is connected to the spring housing and the spindle is fixedly connected to the wheel shaft of the coupling wheel to prevent sudden shock during the reeling process.

REFERENCES:
patent: 3881667 (1975-05-01), Tandetzke
patent: 3999780 (1976-12-01), Matsuoka et al.
patent: 4152025 (1979-05-01), Bendler et al.
patent: 4162772 (1979-07-01), Shimogawa et al.
patent: 4213580 (1980-07-01), Kawaharazaki et al.
patent: 4215830 (1980-08-01), Cunningham
patent: 4342435 (1982-08-01), Yanagihara
patent: 4913372 (1990-04-01), Takada
patent: 4917324 (1990-04-01), Mori
patent: 4940193 (1990-07-01), Grabowski
patent: 4978139 (1990-12-01), Andres et al.
patent: 5080298 (1992-01-01), Sasaki et al.

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