| 摘要 |
A gear comprises a driving input shaft (2), an output shaft (3) coaxially situated relative thereto, and a housing (4) with an inner running surface (5) extending coaxially with the two shafts. The input shaft (2) comprises an eccentrically arranged annular driving member (6), which may rotate freely relative to the input shaft (2) and which is adapted to press an unstretchable, flexible, and endless drawing means (7) against the inner running surface (5). The output shaft comprises a coaxially arranged output wheel (10) fixedly secured to the output shaft and adapted to mesh with the drawing means (7) along an axial surface in such a manner that said drawing means is tightly arranged both about the driving member (6) and the output wheel (10). <IMAGE>
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