Undercarriage for supports of double T-profiled section has drive unit loading one side and with single roller rolling along on lower flange close to web of support

摘要

A support frame (6) fitting U-shaped round the support (1) is fitted with a drive unit (3) which loads one side and is guided on the top side of the lower flange (1a) of the support (1). The drive unit has a single roller (2) which rolls along on the lower flange close to the web of the double-T shaped support. The axles of the guide wheels (4,5) are arranged so that the top side of one side of the lower flange of the support and its web form the track faces.