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公开(公告)号：US20170114875A1
公开(公告)日：2017-04-27
申请号：US15286935
申请日：2016-10-06
发明人： Hajime Yoshimura , Yuji Matsuo , Tomoaki Ishikawa , Makoto Kataoka , Shigeki Kawashima , Norihiko Yokoyama , Naoyuki Miwa
CPC分类号： F16H9/14 , E01H5/098 , F16H9/18 , F16H55/56 , F16H61/662 , F16H63/06 , F16H63/062 , F16H2007/0846 , F16H2007/0868 , F16H2061/66213
摘要： A belt-type continuously variable transmission capable of continuously changing a speed reduction ratio of a driven pulley to a drive pulley, has a speed reduction ratio regulation mechanism that regulates a minimum speed reduction ratio of the driven pulley to the drive pulley. The driven pulley includes a fixed sheave, a movable sheave displaceable in an axial direction with respect to the fixed sheave, and a coil spring that urges the movable sheave toward the fixed sheave. The speed reduction ratio regulation mechanism has a swing arm that adjusts an allowable range in which moving away in an axial direction of the movable sheave with respect to the fixed sheave is possible, and a regulation drive section that drives the swing distal end portion of the swing arm to swing continuously.
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公开(公告)号：US09933053B2
公开(公告)日：2018-04-03
申请号：US15286935
申请日：2016-10-06
发明人： Hajime Yoshimura , Yuji Matsuo , Tomoaki Ishikawa , Makoto Kataoka , Shigeki Kawashima , Norihiko Yokoyama , Naoyuki Miwa
IPC分类号： F16H9/12 , F16H59/00 , F16H61/00 , F16H63/00 , F16H9/14 , E01H5/09 , F16H61/662 , F16H63/06 , F16H9/18 , F16H55/56 , F16H7/08
CPC分类号： F16H9/14 , E01H5/098 , F16H9/18 , F16H55/56 , F16H61/662 , F16H63/06 , F16H63/062 , F16H2007/0846 , F16H2007/0868 , F16H2061/66213
摘要： A belt-type continuously variable transmission capable of continuously changing a speed reduction ratio of a driven pulley to a drive pulley, has a speed reduction ratio regulation mechanism that regulates a minimum speed reduction ratio of the driven pulley to the drive pulley. The driven pulley includes a fixed sheave, a movable sheave displaceable in an axial direction with respect to the fixed sheave, and a coil spring that urges the movable sheave toward the fixed sheave. The speed reduction ratio regulation mechanism has a swing arm that adjusts an allowable range in which moving away in an axial direction of the movable sheave with respect to the fixed sheave is possible, and a regulation drive section that drives the swing distal end portion of the swing arm to swing continuously.
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