Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1975-05-07
1977-04-19
Gilreath, Stanley N.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
2421074B, A62B 3502, B65H 7548
Patent
active
040183998
ABSTRACT:
A spring-loaded safety belt for automobiles, and the like, has a rotatable shaft for winding up the belt, and a rotatable inertia disc which effects locking of the shaft whenever the shaft and disc are rotated relative to one another. A pendulum-type member is suspended adjacent the disc to be swung in any direction about a vertical axis only when the acceleration or deceleration of the associated vehicle in any direction exceeds a predetermined value -- e.g., 0.3g (gravity). Whenever the pendulum member is swung, and regardless of the direction, it pivots a hook member which engages a tooth on the inertia member to hold the latter motionless during withdrawal of the belt and rotation of the wind-up shaft thereby triggering the locking mechanism to halt further unwinding of the belt.
REFERENCES:
patent: 2768256 (1956-10-01), Barecki et al.
patent: 3226053 (1965-12-01), Petty
patent: 3430891 (1969-03-01), Burleigh
patent: 3552676 (1971-01-01), Weber
patent: 3578260 (1971-05-01), Kell
patent: 3593942 (1971-07-01), Rex
patent: 3722824 (1973-03-01), Hayashi
patent: 3758044 (1973-09-01), Nilsson
patent: 3838831 (1974-10-01), Bell
patent: 3850383 (1974-11-01), Lewis
Gilreath Stanley N.
Jillions John M.
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