(57) The present invention relates to an industrial truck (1) comprising a driver's compartment
(7) provided with controls (10) for steering of the truck and operation of lifting
means (8) of the truck and security means (12,13,14 and 15,9,16) for preventing operation
of truck and lifting means if a driver is not present in the driver's compartment,
said security means comprises a floor plate (13) in the driver's compartment, which
plate is movable between an upper and an lower position, a sensor (14) for sensing
the position of the floor plate, said sensor emitting a signal indicating the position
of the floor plate to a control unit (11) in the truck, and a door element (9) which
is movable between an open and a closed state. According to the invention there is
provided a sensor (16) for sensing the state of the door element (9), which sensor
emits a signal to the control unit (11) indicative of the state of the door element.
Furthermore, the control unit is arranged to only allow operation of the truck (1)
and lifting means (8) when the door element (9) is in closed state and arranged to
only allow activation of the truck (1) when the floor plate (13) is in the lower position
and the door element is in closed state.
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