Variable counterweight system

Details Variable counterweight system Variable counterweight system

1978-08-15

1980-12-02

Tollberg, Stanley H.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

254178, B66B 1712

Patent

active

042366054

ABSTRACT:
A movable load exerts varying static and dynamic forces which need to be counteracted with a minimum expenditure of energy. A counterweight connected to the movable load has its counterweighting effectiveness varied as a function of the position of components which make up the counterweight to adapt the counterweight to the varying forces exerted by the load during movement of the load.

REFERENCES:
patent: 325168 (1885-08-01), Gornall
patent: 736234 (1903-08-01), Delp
patent: 947585 (1910-01-01), Ashton, Sr.
patent: 1073700 (1913-09-01), Neenan
patent: 1898711 (1933-02-01), Borgen

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