Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1983-07-19
1986-01-28
Jillions, John M.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421074B, 2421076, A62B 3502, B65H 7548
Patent
active
045666504
ABSTRACT:
A retractor has a reel biased in a belt take-up direction and rotatably supported by a base member, and a belt take-up force locking mechanism capable of assuming a position in which it is interlocked with rotation of the reel and a position in which it is non-interlocked with rotation of the reel. The belt take-up force locking mechanism is adapted, when it assumes the interlocked position, to move from and towards its initial interlocked position in response to rotation of the reel and prevent take-up of the portion of the belt already drawn out. An emergency-locking mechanism provided for sensing at least a draw-out speed change of the belt above a predetermined value and connecting the reel to the base member to prevent rotation of the reel in a belt draw-out direction. The emergency-locking mechanism is adapted, when the belt take-up force locking mechanism is in its initial interlocked position to prevent undesired lock-up of the retractor but to operate properly in an emergency.
REFERENCES:
patent: 3482799 (1969-12-01), Wrighton et al.
patent: 3883089 (1975-05-01), Close
patent: 4349164 (1982-09-01), Naitoh
patent: 4373684 (1983-02-01), Naito
patent: 4386745 (1983-06-01), Patel et al.
patent: 4392620 (1983-07-01), Takada
patent: 4393995 (1983-07-01), Tukamoto
patent: 4445648 (1984-05-01), Bloch
Jillions John M.
NSK-Warner K.K.
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