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    • 10. 发明授权
    • Hand-guided electric tool comprising a guard
    • 手动导向电动工具包括防护罩
    • US06988939B2
    • 2006-01-24
    • US10333044
    • 2002-04-18
    • Albrecht HofmannHarald KrondorferMarkus HeckmannThomas Schomisch
    • Albrecht HofmannHarald KrondorferMarkus HeckmannThomas Schomisch
    • B24B23/00
    • B24B55/052B23Q1/017B23Q11/06B24B23/02
    • In a hand-guided electrical tool 3 with a housing 2 that has a receiving collar 20 embodied on it and with a guard hood 1 that can be attached to the receiving collar 20 and has a clamping strap 16, which can move freely around the receiving collar 20 in a first position and rests snugly against the receiving collar 20 in a second position, a secure connection between the guard hood 1 and the housing 2 is achieved by virtue of the fact that the receiving collar 20 has at least one protrusion 21, which protrudes beyond the second area in the radial direction away from the spindle axle 5, and between the protrusion 21 and the housing 2, there is a distance h, which approximately corresponds to the width b of the clamping strap 16, and by virtue of the fact that that the clamping strap 16 has at least one indentation 12 so that the first diameter d1 of the opening 10 of the clamping strap 16 in the vicinity of the indentation 12 is greater than the second diameter d2 in the remaining region, wherein the first diameter d1 is of such a size that the clamping strap 16 can be moved over the protrusion 21 and the second diameter d2 is of such a size that the clamping strap 16 cannot be moved over the protrusion 21.
    • 在具有壳体2的手动引导电动工具3中,壳体2具有在其上实施的接收轴环20,并具有可附接到接收轴环20并具有夹紧带16的防护罩1,该夹紧带16可以围绕接收器自由移动 套环20处于第一位置,并且在第二位置紧密地靠在接收套环20上,由于接收套环20具有至少一个突起21,因此可以实现防护罩1和壳体2之间的牢固连接, 其远离主轴5在径向方向上突出超过第二区域,并且在突起21和壳体2之间突出,距离h大致对应于夹紧带16的宽度b,并且由于 紧固带16具有至少一个压痕12的事实,使得夹紧带16的开口10的在压痕12附近的第一直径d1大于剩余部分中的第二直径d 2 其中第一直径d 1具有使得夹持带16能够在突起21上移动的尺寸,并且第二直径d 2具有使得夹紧带16不能在突起21上移动的尺寸。