Extensible apparatus

Details Extensible apparatus Extensible apparatus

1984-05-18

1986-04-22

Siemens, Terrance L.

Material or article handling

Vertically swinging load support

Shovel or fork type

414706, 414685, 414917, E02F 334

Patent

active

045839077

ABSTRACT:
Highly flexible extensible apparatus for employing an end-use work tool for one of multiple purposes characterized by combinations of a pivotal base; main support structure; pivotally mounted support structure; extensible base unit having first and last respective pairs of booms and levers; attachments for the work tool; and a plurality of extension units each comprising respective pairs of booms and levers. Preferably, the base comprises an upper base plate that is rotatably mounted on a lower base plate to afford 360.degree. of rotation. In a still more flexible embodiment, a second pivotal support structure can be employed at the end of the extensible apparatus extending from the first either fixed or pivotally mounted support structure. Respective extensible units such as hydraulic rams are preferably employed for extending and changing the angle of support of the main boom.

REFERENCES:
patent: 2865523 (1958-12-01), Morrison
patent: 3470981 (1969-10-01), Huxley, III

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