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    • 52. 发明授权
    • 리드스크류 과부하 방지장치
    • 丝杠过载保护装置
    • KR1019890000853B1
    • 1989-04-11
    • KR1019820005281
    • 1982-11-23
    • 디오로프손코포레이션
    • 도날드더불류.가넷트
    • B23Q5/58F16H35/10
    • An appts. has a movable member and a drive including a rotatable shaft operative to move the member when rotated. A mechanism is provided in the appts. for protecting the appts. from damage due to excessive overloads. The mechanism comprises means supporting the shaft for axial movement, resilient means locating the shaft axially in operative position and resisting axial movement of the shaft from the position, and a friction braking element stopping the shaft from rotating when the shaft moves axially from its operative position. The shaft during rotation is caused to move axially from its operative position against the force of the resilient means when movement of the member is obstructed.
    • 一个appts。 具有可动构件和包括可旋转轴的驱动器,其可操作以在旋转时移动构件。 appts中提供了一种机制。 用于保护appts。 由于过载造成的损坏。 该机构包括支撑轴用于轴向运动的装置,弹性装置将轴轴向定位在操作位置并抵抗轴从该位置的轴向运动;以及摩擦制动元件,当轴从其工作位置轴向移动时,阻止轴转动 。 当构件的移动被阻挡时,旋转期间的轴被克服弹性装置的力而从其工作位置轴向移动。