Retractor

Details Retractor Retractor

1985-08-02

1986-11-18

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

B60R 2236

Patent

active

046231048

ABSTRACT:
A retractor is employed in a seatbelt system designed to protect an occupant of a vehicle when an emergency situation occurs, and is adapted to wind up an occupant fastening webbing. A winding drum of a resin for winding up the webbing is disposed on the outer periphery of a metallic core member. Thus, it is possible to increase the outer diameter of the winding drum without a substantial increase in the weight. A compressive force generated by a webbing pulling force is transmitted to the core member, so that it is possible for the winding drum to endure a relatively large pulling force. A ratchet wheel and the winding drum are reliably connected together by means of a retaining portion of a synthetic resin which is disposed outside the ratchet wheel and is integrally connected to the winding drum through a bore which is formed in the ratchet wheel.

REFERENCES:
patent: 4119281 (1978-10-01), Paitula et al.
patent: 4206887 (1980-06-01), de Rosa
patent: 4254921 (1981-03-01), Adomeit
patent: 4429840 (1984-02-01), Chawla et al.
patent: 4432507 (1984-02-01), Rietsch et al.
patent: 4509707 (1985-04-01), Ernst et al.

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