| 摘要 |
A treadmill for use at running training, comprising a drive unit (300) comprising a carrying frame provided with a drive organ (303) for operation of the belt organ, and optional organ (304, 310a, 310b, 311, 315) in order to raise and lower the treadmill vertically with respect to the basis; a main frame (200) comprising a first side frame (201a) and a second side frame (201b) extending generally along the entire length of the treadmill and mutually parallel for establishing the outer limitation of the treadmill, whereas the side frames are connected with two or more tie bars (205, 206) for stiffening the main frame, and each of the side frames (201a, 201b) establishes a first and a second guide rail (207a, 207b) inside the main frame (200) hidden by the side frames; a belt module (100) comprising a supporting surface (103) for supporting the belt organ and establishing sliding surfaces therefore during operation, and a first and second guide rail (102a, 102b) arranged by each side of the supporting surface (103) and parallel with each other, wherein the guide rails (102a, 102b) are formed generally complementary with first and second guide rails (207a, 207b), respectively, in the main frame (200), so that the belt module (100) can be pushed in and out respectively, of the main frame (200) at replacement of the belt organ.
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