Lifting spreader compensating mechanism

Details Lifting spreader compensating mechanism Lifting spreader compensating mechanism

1990-04-17

1991-10-01

Stormer, Russel D.

Handling: hand and hoist-line implements

Spacing hoist bar or frame

Adjustable to accommodate different size loads

294 8153, B66C 100, B66F 900

Patent

active

050527347

ABSTRACT:
A cargo container lifting spreader compensating mechanism for facilitating engagement by the spreader with cargo containers having out-of-plane twistlock engagement receptacles, the invention comprising cross-members for carrying the twistlock lug members secured at the ends of the spreaders with rotatable connections whereby they are partially rotatable in a vertical plane perpendicular to the longitudinal axis of the spreader with a restrictor means to limit said rotation.

REFERENCES:
patent: 3544149 (1970-12-01), Saarinen
patent: 3750814 (1973-08-01), Allegri et al.
Liftech Consultants, Telescopic Spreader, 1983 Arc Welding Design.

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