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    • 8. 发明授权
    • Self-retracting tool
    • 自动回缩工具
    • US4043229A
    • 1977-08-23
    • US673642
    • 1976-04-05
    • Robert M. Ortlieb
    • Robert M. Ortlieb
    • B23Q1/68B23B29/00B23B29/18B23B21/00
    • B23B29/18Y10T407/193Y10T408/855Y10T408/8595Y10T82/2545Y10T82/2585
    • There is disclosed a self-retracting tool holder assembly for mounting a tool on a machine in a predetermined location with respect to a workpiece, the assembly incorporating a tool holder mounted for pivotal movement about an axis so arranged that when the tool is fed by the machine into engagement with the workpiece the forces created by such engagement will cause the tool holder to pivot about said axis to advance the tool into a seated machining position in which the machining portion of the tool is displaced into the workpiece both in the feed direction and in a direction at right angles thereto, and spring means to automatically retract the tool to an inactive position out of engagement with the workpiece when the feed of the tool stops, whereby when the tool is returned by the machine the tool will not cause a drag line to be formed on the just-machined surface of the workpiece.
    • 公开了一种自回缩工具架组件,用于将工具相对于工件在工件上预定位置上安装在机器上,该组件包括安装成用于围绕轴线枢转运动的工具架,所述工具夹具被布置成当工具被 机器与工件接合,由这种接合产生的力将导致工具保持器围绕所述轴线枢转,以将工具推进到坐着的加工位置,在该加工位置中,工具的加工部分沿进给方向和工件移动到工件中, 和与其成直角的方向的弹簧装置,以及弹簧装置,当工具的进给停止时,自动将工具退回到与工件脱离接合的非活动位置,由此当工具由机器返回时,工具将不会引起拖动 要在工件刚加工的表面上形成线。