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    • 2. 发明授权
    • Chucking device
    • 夹头装置
    • US4791841A
    • 1988-12-20
    • US897090
    • 1986-08-18
    • Francois C. PruvotLaurent R. CosteAlain G. Rebetez
    • Francois C. PruvotLaurent R. CosteAlain G. Rebetez
    • B23B31/30B23B31/20B23B19/02
    • B23B31/205Y10T279/1258Y10T279/1266Y10T82/2562Y10T82/26
    • A primary piston (19) slides axially on a spindle body (5). Together with two cylindrical bearing surfaces of different diameters (D1 and D2) of the spindle body, the primary piston bounds a primary hydraulic chamber 22) which communicates via a conduit (25) with a secondary hydraulic chamber (24). The active face (33) of a secondary piston (20) bounds the secondary hydraulic chamber (24), so that the secondary piston (20) is displaced in response to a displacement of the primary piston (19) which is reduced in the same ratio as the cross-sections of the two chambers. The secondary piston (20) acts upon a chucking sleeve (15) which actuates the chuck (12) against the bias of a spring member (17) which, in the absence of pressure, holds the chuck (12) grippingly on a workpiece. The primary piston (19) is controlled by compressed air fed through a fixed spindle support (1) via a conduit (27) into a pneumatic chamber (21) bounded by a fixed bore (8) and by two disk-shaped elements (7 and 19) rotating with the spindle.
    • 主活塞(19)在心轴主体(5)上轴向滑动。 与主轴主体的不同直径(D1和D2)的两个圆柱形支承表面一起,主活塞限定了通过导管(25)与次级液压室(24)连通的主液压室22。 次级活塞(20)的主动面(33)限制了二级液压室(24),使得次级活塞(20)响应于主活塞(19)的位移而被移位,主活塞 作为两个腔室的横截面。 次级活塞(20)作用在夹紧套筒(15)上,该夹紧套筒(15)克服弹簧构件(17)的偏压而致动卡盘(12),弹簧构件(17)在没有压力的情况下将卡盘(12)夹紧在工件上。 主活塞(19)由通过固定心轴支撑件(1)经由导管(27)供给到由固定孔(8)和两个盘形元件(7)限定的气动室(21)中的压缩空气控制 和19)与主轴一起旋转。
    • 3. 发明授权
    • Pulley
    • 滑轮
    • US5133694A
    • 1992-07-28
    • US701081
    • 1991-05-16
    • Laurent Coste
    • Laurent Coste
    • F16H55/38F16H55/17
    • F16H55/171Y10T29/49453
    • Cheeks (2, 3) in the form of a solid rim are made integral with a pulley body (1) in that their cylindrical inside surfaces (6) are fitted under tension against cylindrical surfaces forming the bottoms of grooves (7, 8). Their positioning is carried out either by hot-collaring or by driving onto conical surfaces (9, 10). The bottoms of channels contrived between teeth (4) communicate with the outer sides of the pulley, thus permitting the movement of air during operation with a notched belt (5) and, consequently, a reduction of operating noise.
    • 固体边缘形式的颊部(2,3)与滑轮主体(1)形成一体,因为它们的圆柱形内表面(6)在形成凹槽(7,8)底部的圆柱形表面上被张紧。 它们的定位可以通过热颈圈或通过驱动到圆锥形表面(9,10)上进行。 在齿(4)之间设置的通道的底部与滑轮的外侧连通,从而允许在操作期间空气与缺口皮带(5)的运动,从而减少操作噪音。