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    • 16. 发明公开
    • Shield assembly for a power tool
    • Schutzhabeneinheitfürein Elektrowerkzeug
    • EP2540444A2
    • 2013-01-02
    • EP12174290.2
    • 2012-06-29
    • Black & Decker Inc.
    • Schell, CraigKelleher, Joseph P.Copeland, EarnestTrautner, Paul K.
    • B24B55/05B24B23/02
    • B24B55/052B23Q11/08B24B23/028B24B55/04
    • The present invention is directed toward a shield assembly (125, 1100, 1200, 1300, 1400, 1500, 1600, 1700) for a handheld tool device (10) such as an angle grinder. The shield assembly (125, 1100, 1200, 1300, 1400, 1500, 1600, 1700) is selectively repositionable with respect to the device (10) . A lock mechanism secures the shield assembly (125, 1100, 1200, 1300, 1400, 1500, 1600, 1700) in discrete rotational positions relative to the device (10) . The shield assembly (125, 1100, 1200, 1300, 1400, 1500, 1600, 1700) includes a guard member (400, 1105, 1205, 1305, 1405, 1505, 1605, 1705) and a bumper member (402) , and an alignment feature configured to align the relative positions of guard member (400, 1105, 1205, 1305, 1405, 1505, 1605, 1705) and the bumper member (402) , thereby positing the members in a predetermined relative orientation. With this configuration, the shield assembly (125, 1100, 1200, 1300, 1400, 1500, 1600, 1700) is selectively repositionable via a "hands-free" mechanism that permits a user to adjust the position of the shield assembly (125, 1100, 1200, 1300, 1400, 1500, 1600, 1700) by simply contacting the shield assembly (125, 1100, 1200, 1300, 1400, 1500, 1600, 1700) against a work surface.
    • 本发明涉及用于诸如角磨机的手持式工具装置(10)的屏蔽组件(125,1100,1200,1300,1400,1500,1600,1700)。 屏蔽组件(125,1100,1200,1300,1400,1500,1600,1700)可相对于装置(10)选择性地重新定位。 锁定机构将屏蔽组件(125,1100,1200,1300,1400,1500,1600,1700)固定在相对于装置(10)的离散旋转位置。 屏蔽组件(125,1100,1200,1300,1400,1500,1600,1700)包括防护构件(400,1105,1205,1305,1405,1505,1605,1705)和保险杠构件(402),以及 对准特征构造成对准保护构件(400,1105,1205,1305,1405,1505,1605,1705)和保险杠构件(402)的相对位置,从而使构件以预定的相对定向。 利用这种配置,屏蔽组件(125,1100,1200,1300,1400,1500,1600,1700)可以经由“免提”机构选择性地重新定位,其允许用户调整屏蔽组件(125, 通过简单地将屏蔽组件(125,1100,1200,1300,1400,1500,1600,1700)接触工作表面来接触所述屏蔽组件(1100,1100,1300,1400,1500,1600,1700)。