Overcenter buckle

Details Overcenter buckle Overcenter buckle

1979-11-15

1982-02-16

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Strap tighteners

Accordion straps

24 68CD, 24128, 24163R, 24197, A44B 2100

Patent

active

043153500

ABSTRACT:
A buckle of the type used to connect belts used for tying down cargo in vehicles. The buckle is formed of flat plate stock and has a structure adapted to withstand high compressive forces such as are applied to it when it is run over by loaded vehicles. The buckle operates on an overcenter principle, so that once it is locked further tension on the belts tends to keep the buckle locked. In using the buckle, initially the free end of one belt is threaded through the buckle and pulled to take up slack. The free end is jammed between the standing end of the belt and a portion of the buckle, preventing slippage. Next, the handle of the buckle is rotated approximately 180 degrees, which causes the standing part of the belt to be wound around the buckle, thereby placing the belt in tension. Towards the end of its throw, the handle of the buckle passes to an overcenter position, in which further tension in the belt locks the buckle more securely. A safety catch is provided to insure against accidental opening of the buckle in case the cargo shifts.

REFERENCES:
patent: 3203058 (1965-08-01), Roing
patent: 3294053 (1966-12-01), Emery, Jr.
patent: 3335468 (1967-08-01), Harley
patent: 3449798 (1969-06-01), Hofmann
patent: 3858279 (1975-01-01), Brattstrom
patent: 3887966 (1975-06-01), Gley
patent: 3957183 (1976-05-01), Gadberry
patent: 3999254 (1976-12-01), McLennan
patent: 4049357 (1977-09-01), Hamisch, Jr.

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