Hoist coupling

Details Hoist coupling Hoist coupling

1985-08-07

1987-06-09

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Lewises

294 8724, 294 90, B66C 136, B66C 166

Patent

active

046715541

ABSTRACT:
The device is an improved hoist coupling for use with anchors having an anchor shaft terminating in an anchor head and embedded in a concrete load in such a way that a portion of the anchor shaft and the anchor head is exposed and protrudes from the concrete body. The couple comprises a coupler body having an underside which is oriented towards and is seated against the load to be lifted, a socket formed in the upper side of the coupler body, in which socket is defined a ring bearing surface, and a hole in the underside of the coupler body opening into the socket for receiving the head of an anchor.

REFERENCES:
patent: 2748646 (1956-06-01), Harold et al.
patent: 3499676 (1970-03-01), Haeussker
patent: 3600031 (1971-08-01), Coleman et al.
patent: 3883170 (1975-05-01), Fricker et al.
patent: 4017115 (1977-04-01), Holf et al.
patent: 4173367 (1979-11-01), Haeussler

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