A big band pulley for frame
The utility model discloses a big band pulley for frame, including first barrel, the second barrel, the third barrel, the second barrel is fixed to be cup jointed in first barrel outside, the third barrel is fixed to be cup jointed in second barrel outside, and first barrel, the second barrel, the c...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a big band pulley for frame, including first barrel, the second barrel, the third barrel, the second barrel is fixed to be cup jointed in first barrel outside, the third barrel is fixed to be cup jointed in second barrel outside, and first barrel, the second barrel, the coaxial setting of third barrel, first barrel is equipped with a plurality of diameter adjustment mechanism, a plurality of diameter adjustment mechanism arrange along the axle center circumference array of second barrel, diameter adjustment mechanism's one end is equipped with the belt installationdepartment, diameter adjustment mechanism's the other end is equipped with power unit, first barrel still is equipped with the equipment connecting portion, the utility model discloses a first barrelis equipped with a plurality of diameter adjustment mechanism, and diameter adjustment mechanism's one end is equipped with the belt installation department, and diameter adjustment mechanism's the other end is equipped with p |
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