TENSIONER
To provide a tensioner which is reduced in the number of part items and weight, and easy in assembling.SOLUTION: In this tensioner 100, a base member 150 is loosely fit into a rear-end side opening part of a plunger 110 while withstanding the elasticity of energization means 150 which is accommodate...
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Zusammenfassung: | To provide a tensioner which is reduced in the number of part items and weight, and easy in assembling.SOLUTION: In this tensioner 100, a base member 150 is loosely fit into a rear-end side opening part of a plunger 110 while withstanding the elasticity of energization means 150 which is accommodated in the cylindrical plunger 110 whose front part is blocked. The tensioner comprises a protrusion prevention mechanism in which a lock part 153 formed at the base member 150 is releasably locked to a lock groove part 111 formed at an internal peripheral face of the plunger 110 directly or via the other member.SELECTED DRAWING: Figure 1
【課題】部品点数の低減化、軽量化を図るとともに、組み付けが容易なテンショナを提供すること。【解決手段】本発明のテンショナ100は、前方が閉塞された円筒状のプランジャ110の内部に収納された付勢手段150の弾性に抗ってベース部材150がプランジャ110の後端側開口部に遊嵌状態で挿入され、ベース部材150に形成された係止部153が、プランジャ110の内周面に設けられた係止溝部111に対して直接または他部材を介して係止解除可能に係止されるように構成された突出防止機構を備えた構成とされる。【選択図】図1 |
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