公开(公告)号：US08876641B2

公开(公告)日：2014-11-04

申请号：US13175966

申请日：2011-07-05

申请人： Yojiro Koiwa ,  Shinji Yamada ,  Masao Seki ,  Tomohiro Wakabayashi

发明人： Yojiro Koiwa ,  Shinji Yamada ,  Masao Seki ,  Tomohiro Wakabayashi

IPC分类号： F16H7/00 ,  F16H7/08

CPC分类号： F16H7/0848 ,  F16H2007/0806 ,  F16H2007/0812 ,  F16H2007/0814 ,  F16H2007/0859 ,  F16H2007/0872 ,  F16H2007/0893

摘要： A chain tensioner device includes a main arm, tensioner lifter, and a sub-arm. The main arm is pivotally supported by a first shaft. The main arm slidably contacts an endless chain to apply a tension to the endless chain. The tensioner lifter includes a housing, a plunger, and a spring. The plunger is slidably held by the housing. The spring is to press the plunger such that the plunger projects from the housing. The sub-arm is disposed between the main arm and the tensioner lifter. The sub-arm is pivotally supported by a second shaft to transmit a biasing force applied by the plunger of the tensioner lifter to the main arm. A moving direction of the plunger is substantially orthogonal to a direction of a tangent at a contact portion between the plunger and the sub-arm when an elongation of the endless chain reaches a maximum elongation.

摘要翻译： 链条张紧装置包括主臂，张紧器升降器和副臂。 主臂由第一轴枢转地支撑。 主臂可滑动地接触环形链条以向环形链条施加张力。 张紧器升降机包括壳体，柱塞和弹簧。 柱塞由壳体可滑动地保持。 弹簧是按压柱塞，使得柱塞从壳体突出。 副臂设置在主臂和张紧器升降器之间。 副臂由第二轴可枢转地支撑，以将由张紧器升降器的柱塞施加的偏压力传递到主臂。 当环形链的延伸达到最大伸长时，柱塞的移动方向基本上与柱塞和副臂之间的接触部分的切线方向正交。

公开(公告)号：US20120052996A1

公开(公告)日：2012-03-01

申请号：US13175966

申请日：2011-07-05

申请人： Yojiro KOIWA ,  Shinji Yamada ,  Masao Seki ,  Tomohiro Wakabayashi

发明人： Yojiro KOIWA ,  Shinji Yamada ,  Masao Seki ,  Tomohiro Wakabayashi

IPC分类号： F16H7/08

CPC分类号： F16H7/0848 ,  F16H2007/0806 ,  F16H2007/0812 ,  F16H2007/0814 ,  F16H2007/0859 ,  F16H2007/0872 ,  F16H2007/0893

摘要： A chain tensioner device includes a main arm, tensioner lifter, and a sub-arm. The main arm is pivotally supported by a first shaft. The main arm slidably contacts an endless chain to apply a tension to the endless chain. The tensioner lifter includes a housing, a plunger, and a spring. The plunger is slidably held by the housing. The spring is to press the plunger such that the plunger projects from the housing. The sub-arm is disposed between the main arm and the tensioner lifter. The sub-arm is pivotally supported by a second shaft to transmit a biasing force applied by the plunger of the tensioner lifter to the main arm. A moving direction of the plunger is substantially orthogonal to a direction of a tangent at a contact portion between the plunger and the sub-arm when an elongation of the endless chain reaches a maximum elongation.

摘要翻译： 链条张紧装置包括主臂，张紧器升降器和副臂。 主臂由第一轴枢转地支撑。 主臂可滑动地接触环形链条以向环形链条施加张力。 张紧器升降机包括壳体，柱塞和弹簧。 柱塞由壳体可滑动地保持。 弹簧是按压柱塞，使得柱塞从壳体突出。 副臂设置在主臂和张紧器升降器之间。 副臂由第二轴可枢转地支撑，以将由张紧器升降器的柱塞施加的偏压力传递到主臂。 当环形链的延伸达到最大伸长时，柱塞的移动方向基本上与柱塞和副臂之间的接触部分的切线方向正交。