Adjustable operator cab on a motor-drive truck

Claim 1

A motor-driven truck comprising a longitudinal chassis, a lifting stand mounted on the front end thereof, first guide and journalling means including a longitudinal, stationary stand mounted on the chassis, second guide and journalling means including a stand movable along said stationary stand, an operator's cab supported by said movable stand and arranged to be placed in a desired position which is variable with respect to said stationary stand and to the front lifting stand as well, said first guide and journalling means including journalling elements which are firmly connected to the movable stand and guided by the stationary stand, and first and second force-transmitting means arranged for moving the operator's cab to said desired position, said stationary stand being diagonally arranged so that it encompasses an acute angle α together with a longitudinal center line of the truck and so that it extends between a rear place at substantially said longitudinal center line and a front place at substantially a front corner of the truck near one side of the front lifting stand, said movable stand including a horizontal stand member located under the operator's cab and a vertical stand member rigidly connected to the horizontal stand member and arranged close to the rear surface of the operator's cab facing away from the front lifting stand, said journalling elements being firmly mounted onto the under side of the horizontal stand member of the movable stand, said second guide and journalling means including journalling elements firmly connected to the operator's cab and guided by the vertical stand member of the movable stand, said first force-transmitting means being connected to the stationary stand and to the horizontal stand member of the movable stand for controlled movement of the operator's cab and the movable stand along the stationary stand, and said second force-transmitting means being connected to the rear surface of the operator's cab facing away from the front lifting stand and to the movable stand for controlled movement of the operator's cab along the vertical stand member of the movable stand, the operator's cab being thus arranged to be placed in said desired position with its horizontal longitudinal central line maintained parallel to the said longitudinal center line of the truck and with maintained alignment in a vertical plane.