CRESCENT LOCK
To provide a crescent lock having a screw for positioning a crescent provided on a handle in a Z direction, that prevents the screw from falling out even if the same is over-rotated.SOLUTION: In a crescent lock, a handle 3 having a crescent 4 is provided on a handle base 2 arranged on a pedestal 1 w...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a crescent lock having a screw for positioning a crescent provided on a handle in a Z direction, that prevents the screw from falling out even if the same is over-rotated.SOLUTION: In a crescent lock, a handle 3 having a crescent 4 is provided on a handle base 2 arranged on a pedestal 1 with a tip 51 rotatably fixed onto the handle base 2, and in an oscillatable manner via a screw 5 having a male screw part 52 screwed into a female screw part 31 formed on the handle 3, such that movement in the axial direction of the screw 5 is enabled by rotating the screw 5. An idle rotation part 53 that does not form the male screw is formed on a tip part of the screw 5 screwed with the female screw part 31 formed on the handle 3.SELECTED DRAWING: Figure 1
【課題】ハンドルに備えたクレセントのZ方向の位置調整を行うねじを、回転操作し過ぎても、ねじが抜けることのないクレセント錠を提供すること。【解決手段】台座1に配置したハンドル台2に、クレセント4を備えたハンドル3を、先端51をハンドル台2に回転自在に止着し、雄ねじ部52をハンドル3に形成した雌ねじ部31に螺合したねじ5を介して、揺動可能に、かつ、ねじ5を回転操作することにより、ねじ5の軸方向に移動可能に取り付けるようにしたクレセント錠において、ハンドル3に形成した雌ねじ部31と螺合するねじ5の先端部に、雄ねじを形成しない空回り部53を形成する。【選択図】図1 |
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