Screw-type lifting clamp

Details Screw-type lifting clamp Screw-type lifting clamp

B - Operations, Transporting

66

C

294/17

B66C 1/48 (2006.01)

Patent

CA 1071262

SCREW-TYPE LIFTING CLAMP ABSTRACT OF THE DISCLOSURE A screw type lifting clamp comprising a generally U-shaped clamp body having a pair of spaced, opposed projections defining a generally vertically downwardly facing material receiving slot, a lifting shackle attached to said clamp body, a screw threadedly received through a first such body projection and being threadedly movable toward and away from the second body projection, a jaw pivotally mounted to the second body projection for pivotable move- ment about a horizontal axis perpendicular to the screw axis, and resilient means urging the jaw to a horizontal position. The pivotable jaw includes vertically spaced teeth defining a gripping surface which is convex in a vertical plane and has a radius of curvature greater than the horizontal distance between the jaw pivotal axis and the jaw gripping surface when that jaw is horizontal.

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