Derrick

Details Derrick Derrick

1992-10-05

1994-02-08

Stodola, Daniel P.

Implements or apparatus for applying pushing or pulling force

Apparatus for hauling or hoisting load, including driven...

Device includes rotatably driven, cable contacting drum

248132, 2481887, 254334, B66D 100, A47J 4716

Patent

active

052843246

ABSTRACT:
A derrick for raising and lowering a cargo container which comprises a tri-pod structure having a pulley within its apex for engaging and lifting and lowering the load. The tri-pod structure has a roller for engaging the load at the top or apex of the derrick with a hook for engaging the cargo container at its base. The hook includes a pair of shoes one for engaging the outside surface of the cargo container and a second one for engaging the inside surface of the cargo container at the area of hook contact with the cargo container.

REFERENCES:
patent: 661592 (1900-11-01), Svenson
patent: 4019716 (1977-04-01), Smith
patent: 4860404 (1989-08-01), Flachs

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