Transport trolley negotiating uneven roof surface of e.g. corrugated sheet metal - has undercarriage frame with wheel set, whose wheel and axle spacing is selected for secure sheet metal engagement.

摘要

The trolley (1) has an undercarriage frame (2) with runner wheels, forming wheel sets (3). The wheel and axle spacing is so chosen that at least six wheels contact the top faces (5) of the corrugated sheet metal (4) during transverse, longitudinal, or diagonal travel direction. Pref. the six wheels (8) are formed by three left- and three right-side wheels of the wheel set (3a, 3b). The undercarriage frame typically consists of a support grate (6) and at least one wheel suspension (7) under the support grate. Two such suspensions are set transversely to the travel direction. USE/ADVANTAGE - For maintenance and repair of large roofs of industrial halls etc., with comfortable and risk-free handling in all directions.