Universal joint boom

Details Universal joint boom Universal joint boom

1990-08-23

1991-10-29

Braun, Leslie A.

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

901 15, 901 18, B25J 1802

Patent

active

050605321

ABSTRACT:
A universal joint boom assembly comprising two boom segments having paired eared ends connected end to end by means of a universal joint with one of its set of ears parallel to an X axis and the other set of ears parallel to a Y axis which is perpendicular to the X axis. An offset X axis hydraulic assembly and an offset Y axis hydraulic assembly interconnects the boom segments to cause pivoting of the boom universal joint so as to lean a boom segment in the direction of the X and Y axes respectively.

REFERENCES:
patent: 4762459 (1988-08-01), Morita
patent: 4801239 (1989-01-01), Austad

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