BELT TRANSMISSION MECHANISM
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United States of America Patent
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N/A
Issued Date -
Nov 24, 2016
app pub date -
May 20, 2015
filing date -
May 20, 2015
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A belt transmission mechanism includes a driving pulley, a following pulley mounted on a shaft, a timing belt looping around the driving pulley and the corresponding following pulley, and a belt limiter. When the driving pulley rotates, the timing belt has a tight side and a slack side. The belt limiter has a mounting portion rotatably mounted on the shaft and located behind the following pulley. A portion of an outer periphery of the mounting portion adjacent to the slack side extends outward to form a connecting portion. One end of the connecting portion adjacent to the slack side extends forward to form a limiting board which is attached to an outer surface of the slack side. The limiting board is tangent to and spaced from an outer periphery of the following pulley to make the slack side continuously engaged with the following pulley in a tangential direction.
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