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    • 7. 发明授权
    • Impact tool
    • 冲击工具
    • US07013986B2
    • 2006-03-21
    • US10843117
    • 2004-05-11
    • Toshio MikiyaYasumasa OhkiYasumasa Suzuki
    • Toshio MikiyaYasumasa OhkiYasumasa Suzuki
    • B25D17/10
    • B25F5/006B25D2250/291Y10T29/4578
    • An impact tool enables a front cover part to be easily attached to and detached from a housing body, with a device having a simplified structure. The front cover part has an annular fastening portion clamped to the outer peripheral surface of a front edge portion of the housing body, a cylindrical portion extending from the front end of the housing to the region of the fastening portion, and a connecting portion connecting together the cylindrical portion and the fastening portion. The fastening portion is split at a circumferential part thereof to form a pair of circumferentially opposing tongue-shaped portions. A clamping device is provided between the tongue-shaped portions, which is movable between a clamping position where it pulls the tongue-shaped portions toward each other and an unclamping position where the tongue-shaped portions are released from being pulled toward each other.
    • 冲击工具能够使具有简化结构的装置将前盖部件容易地安装到壳体上并从壳体拆卸。 前盖部具有固定在壳体的前缘部的外周面的环状的紧固部,从壳体的前端延伸到紧固部的区域的圆筒部,以及连结部 圆筒部和紧固部。 紧固部分在其周向部分处分开以形成一对周向相对的舌形部分。 夹紧装置设置在舌形部分之间,该舌形部分可在其舌形部分彼此拉动的夹持位置和舌形部分被释放的松开位置之间移动。
    • 9. 发明授权
    • Rotary cleaning device
    • 旋转清洁装置
    • US3942208A
    • 1976-03-09
    • US509655
    • 1974-09-26
    • Archie F. Southard, Jr.
    • Archie F. Southard, Jr.
    • B23D79/04F02B77/04F23J1/00
    • B23D79/04F02B77/04Y10T29/4528Y10T29/4578
    • A rotary cleaning device comprising a cup-shaped rotatable base member, a cylindrical resilient mounting received in the cup-shaped member, a plurality of elongated cleaning elements essentially in the form of wood screws mounted in the resilient mounting and extending through and beyond the same. The heads of the screws are positioned between the resilient mounting and the cup-shaped base member. A bolt having an enlarged head extends substantially centrally through the resilient mounting and the base member in a direction opposite from the extension of the cleaning elements. Nuts are mounted on the bolt and engagable with the base member to hold the assembly together in such manner that the heads of the screws are firmly grasped between the resilient mounting and the base member. The portion of the bolt which extends beyond the nuts constitutes a shank which is adapted to engage a rotary chuck for rotating the cleaning device. The points of the screws constitute a primary cleaning means and the threads of the screws constitute a secondary lateral cleaning means.
    • 一种旋转清洁装置,包括杯形可旋转底座构件,容纳在杯形构件中的圆柱形弹性安装件,多个细长的清洁元件,基本上以木螺钉的形式安装在弹性安装件中并延伸并延伸穿过其中 。 螺钉的头部位于弹性安装件和杯形基座部件之间。 具有扩大头部的螺栓在与清洁元件的延伸方向相反的方向上大致中心地延伸穿过弹性安装件和基部构件。 螺母安装在螺栓上并与基部构件接合,以将组件保持在一起,使得螺钉的头部被牢固地抓住在弹性安装件和基座构件之间。 螺栓延伸超过螺母的部分构成一个柄部,该柄部适于接合用于旋转清洁装置的旋转卡盘。 螺钉的点构成主要清洁装置,并且螺钉的螺纹构成第二横向清洁装置。