Method for operating an industrial truck and industrial truck pr

Details Method for operating an industrial truck and industrial truck pr Method for operating an industrial truck and industrial truck pr

1996-07-24

1998-10-06

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Industrial lift truck or required component thereof

Having control for load support drive-means

414629, B66F 920

Patent

active

058163662

ABSTRACT:
In a method for operating an industrial truck, a load-lifting member (1) is moved up and down vertically on a lift mast (2). A discrete control signal is provided to control the vertical speed of the load-lifting member (1) by at least one single or multistage switch. In switching on and then holding the switch (13) in the on position, the load-lifting member (1) is first accelerated from zero to a first vertical speed value (V.sub.1) and after the passage of a period of time T.sub.1, it is accelerated to a second higher vertical speed value (V.sub.2).

REFERENCES:
patent: 5022496 (1991-06-01), Klopfleisch et al.
patent: 5170863 (1992-12-01), Devroy
patent: 5329441 (1994-07-01), Aoki et al.

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