Patent ID: 8757017

Claim:
A linear movement device comprising: a housing; and a carriage which can move in a longitudinal direction with respect to the housing, wherein: the housing has a U-shaped cross-sectional shape and extends in the longitudinal direction, with the result that the housing bounds a guide cavity; the guide cavity is covered with a toothed belt which extends in the longitudinal direction; the toothed belt is attached at both ends to the housing with the result that said toothed belt defines a toothed belt plane; at least one separate guide rail which extends in the longitudinal direction is arranged within the guide cavity, on which guide rail at least one separate guiding carriage is mounted in a longitudinally movable fashion, which guiding carriage is permanently connected to the carriage; a first and a second deflection wheel, which deflect the toothed belt out of the toothed belt plane, are rotatably attached to the carriage; a rotatable drive wheel, which is in drive-transmitting engagement with the toothed belt, is arranged between the first and the second deflection wheel; the carriage has a single-piece carriage base body which extends in the longitudinal direction; said carriage base body is configured as a closed tube essentially over its entire length, with the result that it bounds a carriage cavity; the guiding carriage is attached to the outside of the carriage base body; the toothed belt is guided through the carriage cavity; and the first and second deflection wheels and the drive wheel are arranged within the carriage cavity.