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    • 3. 发明公开
    • Clamping device particularly useful for dental handpieces
    • Klemmvorrichtung,insbesonderefürzahnärtzlicheHandstücke。
    • EP0647437A1
    • 1995-04-12
    • EP94115684.6
    • 1994-10-05
    • Cohen, Yechiel
    • Cohen, Yechiel
    • A61C1/14B23B31/20
    • A61C1/141Y10T279/17324
    • A clamping device for clamping a rodlike member to a housing, particularly a dental tool to a handpiece, includes a tapered sleeve and a tapered collet received within the tapered sleeve, both having open ends for receiving the rodlike member, and inner diameters which decrease from their open ends to their opposite ends. The tapered collet is formed with an axial slit starting from its open end and extending along a part of its length towards its closed end, permitting the collet to contract in diameter in order to firmly clamp the rodlike member. A depressable button is engageable with the closed end of the tapered collet to move the collet outwardly of the tapered sleeve, thereby to expand the tapered collet and to permit removal or insertion of the rodlike member.
    • 用于将杆状构件夹紧到壳体,特别是用于手持件的牙科工具的夹紧装置包括锥形套筒和容纳在锥形套筒内的锥形夹头,两者都具有用于容纳杆状构件的开口端,并且内径从 他们的开放端向另一端。 锥形夹头形成有从其开口端开始并沿其长度的一部分朝向其封闭端延伸的轴向狭缝,允许夹头直径收缩,以便牢固地夹紧棒状构件。 可按压的按钮可与锥形夹头的封闭端接合,以使筒夹从锥形套筒向外移动,从而使锥形夹头膨胀并允许棒状构件的移除或插入。
    • 4. 发明公开
    • Spannzange
    • Spannzange。
    • EP0345746A1
    • 1989-12-13
    • EP89110271.7
    • 1989-06-07
    • Rall, Gerhard
    • Rall, Gerhard
    • B23B31/20
    • B23B31/202B23B2226/33B23B2231/2078B23B2231/2086Y10T279/17324Y10T279/17411Y10T279/17512Y10T279/17589Y10T279/1993Y10T279/3456
    • Die Spannzange (20) setzt sich aus einem Grundkörper (21) und einem Spannkopf (22) zusammen. Der Grundkörper (21) ist mit der Zugvorrichtung einer Werkzeugmaschine verbindbar. Der Spannkopf (22) ist in einzelne Spannbacken (38) unter­teilt, die mittels Zwischengliedern aus einer gummieelasti­schen Masse dauerhaft miteinander verbunden sind. Der Grund­körper (21) und der Spannkopf (22) werden mittels einer in axialer Richtung formschlüssigen und in radialer Richtung nachgiebigen Kupplungsvorrichtung (24) miteinander gekuppelt. Zur Kupplungsvorrichtung (24) gehören am Spann­kopfteil (22) angeordnete radial auswärtsragende Vor­sprünge (42) und am Grundkörper (21) eine darauf abgestimmte Anzahl von Durchbrüchen (48).
    • 夹头(20)由基体(21)和夹头(22)构成。 基体(21)可以连接到机床的拉丝装置。 夹紧头(22)被细分成单独的夹爪(38),它们通过由弹性体混合物制成的中间构件彼此永久连接。 基体(21)和夹紧头(22)通过联接装置(24)彼此联接,联接装置(24)在轴向方向上是正向锁定的,并且在径向方向上是柔性的。 属于联接装置(24)的是突出部(42),其径向向外突出并布置在夹头部分(22)上,以及与基体(21)上匹配的多个孔(48)。 ... ...
    • 7. 发明公开
    • Collet chuck
    • Spannzange
    • EP0896845A1
    • 1999-02-17
    • EP98114606.1
    • 1998-08-04
    • POWER TOOL HOLDERS INCORPORATED
    • Montjoy, Kenneth M.Huggins, Mark S.Kanaan, Roger J.
    • B23B31/20
    • B23B31/202Y10S279/904Y10T279/17307Y10T279/17324Y10T279/17427Y10T279/17521Y10T279/17752
    • A tool holding device for holding a tool bit to a drive spindle (223) includes a body member (225) having an axially extending bore defined therein for receipt of a tool shank. The body member includes a plurality of axially extending segments (243) defining the bore. The segments (243) are defined by axially extending slits (244) in the body member (225). The slits (244) extend from a front face of the body member rearward. The segments are radially compressible to grip upon a tool shank inserted into the bore when a radially compressive force is applied to the segments (243) in the area of the slits (244). The bore defined by the segments (243) has a tapered diameter that is greater at the front face of the body member and tapers to a lesser diameter in the axially rearward direction.
    • 用于将工具头保持在驱动轴(223)上的工具保持装置包括主体构件(225),其具有限定在其中的用于接收工具柄的轴向延伸的孔。 主体构件包括限定孔的多个轴向延伸段(243)。 所述段(243)由主体构件(225)中的轴向延伸狭缝(244)限定。 狭缝(244)从本体构件的前表面向后延伸。 当径向压缩力施加到狭缝(244)的区域中的段(243)时,段可径向压缩以夹紧在插入孔中的工具柄上。 由段(243)限定的孔具有在主体构件的前表面处更大的锥形直径,并且在轴向向后方向上逐渐变细至较小直径。