Linear control device has telescopic tube, drive unit with drive wheels driven in synchronism in opposite directions in pairs that engage drive rod on diametrically opposite sides

摘要

The device has an outer tube with a telescopic inner tube and a drive unit with drive wheels driven by a motor (36) engaged with a drive rod (28). The motor and drive wheels (32) are mounted on the inner tube and the drive rod is arranged axially parallel in the outer tube. The drive wheels are driven in synchronism in opposite directions in pairs and engage the drive rod on diametrically opposite sides. An Independent claim is also included for a drive unit for a linear control device