Material handling system

Details Material handling system Material handling system

1977-09-06

1979-05-01

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Pivoted jaws

744137R, B66C 100

Patent

active

041520190

ABSTRACT:
A material handling system particularly suited for lifting and transporting felled timber with a helicopter. An instrument, such as a grapple, is provided for handling and holding the material. A main winch and a main cable, windable on the winch, are provided for transporting the material within the instrument while suspended from a main point. An auxiliary winch and auxiliary cable windable on the auxiliary winch are provided for suspending the instrument from an auxiliary point. The material can be handled by the instrument below the auxiliary point and then transported while suspended from the main point. When applied to a helicopter, the main point is located under the helicopter in vertical alignment with the center of gravity of the helicopter and the auxiliary point is located under the helicopter adjacent the pilot's seat.

REFERENCES:
patent: 2452452 (1948-10-01), Girnus
patent: 2617211 (1952-11-01), Olson
patent: 3248074 (1966-04-01), Cannon
patent: 3830507 (1974-08-01), Johnson

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