Articulated powered lift machines

Details Articulated powered lift machines Articulated powered lift machines

1981-06-22

1984-10-16

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Means maintaining platform level on angularly movable support

Swingable support

212198, E04G 100

Patent

active

044769555

ABSTRACT:
An articulated power lifting machine has a tool at the end of its working arm. The position of the sections of the working arm is sensed and made to operate a tool levelling system. That same sensor is made to move counterweights in a system which achieves simplicity by treating the need for counterweighting as equal, except for reference point of movement, as equivalent to the need for levelling. The arrangement lends itself to use with a transporter which is constructed building block style.

REFERENCES:
patent: 1614979 (1927-01-01), Cole
patent: 3108656 (1963-10-01), Asplundl
patent: 3224528 (1965-12-01), Hubbard
patent: 3743049 (1973-07-01), Leurini
patent: 3776367 (1973-12-01), Grove
patent: 4296833 (1981-10-01), Ashworth

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