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发明公开
CN111212992A 张紧器和方法 有权

张紧器和方法
摘要：
一种张紧器，包括限定孔的底座，所述孔具有中心C，所述孔具有足以接收从动皮带轮的直径；旋转臂，所述旋转臂通过连接至所述底座的保持部件与所述底座接合，所述旋转臂可围绕所述中心C旋转；枢转臂，所述枢转臂在枢轴上安装至所述旋转臂，所述枢轴偏离所述中心C；轴径连接至所述旋转臂的第一皮带轮；轴径连接至所述枢转臂的第二皮带轮；扭力弹簧，所述扭力弹簧接合于所述旋转臂与所述枢转臂之间，用于朝向所述第一皮带轮偏置所述第二皮带轮；阻尼部件，所述阻尼部件摩擦地接合于所述底座与所述旋转臂之间；以及所述旋转臂限定用于接收第一皮带轮紧固件的部分，由此第一皮带轮位置为可调节的。
摘要（英）：

A tensioner comprising a base defining a hole, the hole having a center C, the hole having a diameter sufficient to receive a driven pulley, a rotary arm engaged with the base by a retaining member connected to the base, the rotary arm rotatable about the center C, a pivot arm mounted to the rotary arm on a pivot, the pivot offset from center C, a first pulley journalled to the rotary arm, a second pulley journalled to the pivot arm, a torsion spring engaged between the rotary arm and the pivot arm for biasing the second pulley toward the first pulley, a damping member frictionally engaged between the base and the rotary arm, and the rotary arm defining a portion for receiving a first pulley fastener whereby a first pulley position is adjustable.

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