Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1975-12-22
1977-08-30
Gilreath, Stanley N.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
188 8277, 188184, 2421074B, A62B 3502, B65H 7548
Patent
active
040449696
ABSTRACT:
A locking mechanism for vehicle safety belts of the type in which a strap of the belt is automatically retracted into a housing and coiled up on a reel when the belt is not in use, to lock the reel either at rapid extraction of the strap of the belt or at an alteration in the travelling speed or direction of the vehicle. The locking mechanism comprises at lease two latching means which are attached to the reel and arranged to rotate with it and which are mounted so that they can be displaced from a retracted position, in which they do not hinder the rotation of the reel, to an extended position, in which they are in engagement with a stop for locking the reel. The latching means are arranged to be moved out by rapid rotation of the reel due to rapid extraction of the strap of the belt or by an actuating means which is rotatably mounted on the reel and arranged to engage with the latching means. The actuating means is arranged to be driven by said latching means when the spindle is rotated and to be braked in relation to the reel in case of an alteration of movement speed or direction of the vehicle. When braked, the actuating means drives said latching means so that they substantially simultaneously are moved out to the latching position for locking the reel.
REFERENCES:
patent: 3206137 (1965-09-01), Snyderman
patent: 3397849 (1968-08-01), Hansen
patent: 3905562 (1975-09-01), Kell
patent: 3921930 (1975-11-01), Fohl
patent: 3929300 (1975-12-01), Lindquist
Gilreath Stanley N.
Granges Essem Aktiebolag
Jillions John M.
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