发明名称 |
Belt tensioner device for lawn mower |
摘要 |
A garden tractor or lawn mower including a belt driven mower blade and an improved tensioning arrangement for the driving belt. The tensioner mechanism provides a first range of tensioning during normal driving loads and a second, more rigid range of tensioning when abnormal loads are encountered so as to reduce belt wear but insure that the belt will not jump off of the driving or driven pulleys.
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申请公布号 |
US4925437(A) |
申请公布日期 |
1990.05.15 |
申请号 |
US19890324615 |
申请日期 |
1989.03.16 |
申请人 |
YAMAHA HATSUDOKI KABUSHIKI KAISHA |
发明人 |
SUZUKI, TAKANORI;TAKADA, KAZUYOSHI |
分类号 |
A01D34/76;F16H7/08;F16H7/12 |
主分类号 |
A01D34/76 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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