Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1985-12-16
1987-01-13
Jillions, John M.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
B60R 2242
Patent
active
046358730
ABSTRACT:
A seat belt clamp comprises a U-shaped frame, a fixed clamping jaw mounted on the frame base portion, and a lever member having two arms, one pivotably mounted on each frame side portion. A movable clamping jaw affixed to the lever member is engageable with the fixed clamping jaw upon pivoting of the lever member and has a corrugated cam surface. An operating roll having a corrugated surface is mounted for rotation and for movement relative to the lever member between a clamping position in which the roll surface engages the cam surface of the movable clamping jaw and urges the movable clamping jaw toward the fixing clamping jaw and a release position in which the operating roll can rotate without engaging the movable clamping jaw. A spring urges the operating roll toward its release position. The belt clamp is adapted to receive the seat belt along a path such that it runs from the retractor, passes between the clamping jaws, turns part way around the operating roll and leads to the vehicle occupant. Each lever arm has an elongated mounting hole oriented generally orthogonally to the cam surface of the movable clamping jaw, and the operating roll is mounted on the lever arms by means of shafts received in the mounting holes. The spring is connected between the frame and the operating roll, whereby the spring not only urges the operating roll to the release position but also urges the movable clamping jaw to a non-operative position away from the fixed clamping jaw and prevents vibrations and noise.
REFERENCES:
patent: 4438551 (1984-03-01), Imai
patent: 4482103 (1984-11-01), Sano et al.
patent: 4519555 (1985-05-01), Tukamoto
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