Conversion or extension beam

Details Conversion or extension beam Conversion or extension beam

1979-07-30

1981-10-06

Reeves, Robert B.

Material or article handling

Vertically swinging load support

Shovel or fork type

414607, 414912, 212177, 212266, 371175, B66C 2344

Patent

active

042932696

ABSTRACT:
An extension beam is provided to convert a hydraulic excavator to a crane-type hoisting vehicle or to extend the length of a boom.

REFERENCES:
patent: 2621803 (1952-12-01), Taylor
patent: 3092259 (1963-06-01), Swanson
patent: 3165157 (1965-01-01), Carbert
patent: 3386594 (1968-06-01), Grove
patent: 3524560 (1970-08-01), Hall
patent: 3527362 (1970-09-01), Allen
patent: 4159059 (1979-06-01), Christenson et al.

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