Gripping means

Details Gripping means Gripping means

1989-01-27

1991-01-08

Skaggs, H. Grant

Conveyors: power-driven

Conveyor section

Unit load conveying surface means moved about an endless or...

1988039, 271 82, 271 85, B65G 2900

Patent

active

049828347

ABSTRACT:
A gripping system consisting of two jaws (2, 3) pivotable in relation to each other on a shaft (32), the shaft being secured to one jaw (3) and extending through a sleeve (53) secured to the other jaw (2), the shaft having an enlarged section (39) adjacent to and having substantially the same outer diameter as the sleeve (53). A tightly coiled helical spring (70) surrounds both the sleeve (53) and the section (39). One end portion of the spring is freely movable on the enlarged section (39) and can be rotated at least in one direction in relation thereto. The other end of the spring is connected to a roller (4) which is pivotably journalled and can be turned upon peripheral contact with a tread surface arranged at a desired position along the path of the gripping system so that the gripping system opens at a position exactly defined by the tread surface.

REFERENCES:
patent: 4039182 (1977-08-01), Reist et al.
patent: 4320894 (1982-02-01), Reist et al.
patent: 4681213 (1987-07-01), Winiasz
patent: 4746007 (1988-05-01), Houseman
patent: 4852722 (1989-08-01), Houseman

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