Self-propelled trolley and supporting track structure

Details Self-propelled trolley and supporting track structure Self-propelled trolley and supporting track structure

B - Operations, Transporting

61

B

104/43

B61B 3/02 (2006.01) E01B 25/08 (2006.01)

Patent

CA 1337467

A self-propelled trolley and supporting track structure, the trolley forming a housing for a four wheel drive mechanism which is coupled to a driving motor attach- ed to the housing and to a pair of axles each equipped with a pair of driving and supporting-wheels adapted to engage transversely spaced track surfaces of the track structure. The track structure comprises a pair of transversely spaced channel section track members, each having upper and lower flanges terminating in guide surfaces and connected by a vertical web, the guide surfaces of one track member facing the guide surfaces of the other. The track surfaces are formed by the upper flanges of the track members and the guide surfaces are engageable by pairs of guide wheels appended to the trolley below the housing. A conductor bar assembly enclosed within the track members is engaged by collector shoes attached to the trolley.

613077

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