Traveling trolley, in particular single-rail trolley with compact height
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United States of America Patent
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Oct 31, 1995
Grant Date -
N/A
app pub date -
Apr 13, 1994
filing date -
Apr 13, 1993
priority date (Note) -
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Abstract
The invention is directed to a traveling trolley, in particular a single-rail trolley having a compact height. A traveling trolley constructed in accordance with the present invention includes a supporting frame with running wheels that run on the bottom flange of a rail, a hoist arranged at the supporting frame, a lever member arranged at the axle of the driven running wheel so as to swivel or pivot, and a friction wheel supported at the free end of the lever member via an additional axle. The friction wheel and the driven running wheel are each coupled to a respective toothed wheel and these toothed wheels are driven by a driving unit. A spring element arranged between the lever member and the supporting frame urges the friction wheel into contact with the bottom flange of the rail.
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