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    • 5. 发明授权
    • Vacuum clamping system
    • 真空夹紧系统
    • US5110239A
    • 1992-05-05
    • US691998
    • 1991-04-26
    • A. Douglass RileyHugh W. Hanson
    • A. Douglass RileyHugh W. Hanson
    • B25B11/00
    • B25B11/005Y10T409/303416Y10T409/303696
    • A vacuum clamping system for trimming a flat or gently curved part from a sheet of material includes a template and a plurality of hold-down members, or pods, that sandwich the template between the pods and the workpiece. The template has a plurality of circular openings through its thickness. Each pod has an expandable bellows with an open suction end that extends downwardly through one of such openings, and comes into contact with and is closed by the workpiece. Subsequent evacuation of the bellows causes it to contract, thus pulling the workpiece tightly against one side of the template, and further pulling a clamping portion of the pod tightly down against the template's other side. This fixes the template in position between the pod and workpiece. Preferably, a number of pods are used in combinatiton with any given template to improve the clamping action.
    • 一种真空夹紧系统,用于从一片材料中修剪平坦或轻柔的弯曲部分,包括模板和多个压紧构件或荚,将模板夹在荚和工件之间。 模板具有穿过其厚度的多个圆形开口。 每个荚具有可膨胀的波纹管,其具有向下延伸穿过这些开口之一的开放的吸入端,并与工件接触并且被工件封闭。 随后抽空波纹管会使其收缩,从而将工件紧紧地拉向模板的一侧,并进一步将荚的夹紧部分紧紧地压向模板的另一侧。 这将模板固定在荚和工件之间的位置。 优选地,与任何给定的模板组合使用多个容器以改善夹紧动作。
    • 6. 发明授权
    • Universal panograph pattern
    • 通用全景图
    • US4176585A
    • 1979-12-04
    • US834062
    • 1977-09-16
    • Rodney L. Anderson
    • Rodney L. Anderson
    • B23Q1/48B23Q27/00B23Q35/44
    • B23Q1/4809B23Q27/00Y10T409/301288Y10T409/303416
    • The following specification discloses a universal guide or pattern for use with a panograph. The panograph can comprise a number of arms that are interconnected at hinge points that support a spindle having a cutting tool for milling or cutting a circular, ornate, or eccentric shape, as well as angles and lines. The spindle with the cutter correspondingly follows the movement of a stylus that overlies the universal pattern that is formed with an arm that guides the stylus in either a two or three dimensional pattern. The pattern is formed in part on a plate having a centrally oriented pin or support post that holds a rotatable arm having a scale thereon. The rotatable arm has a pair of stops that can be set along its length at different locations with respect to the scale. The panograph stylus can be implaced within a stylus holder that moves along the arm between the stops or within the stylus holder that is secured by a set screw. The base plate is provided with a number of various angularly oriented openings so that the arm can be turned to the different angles and locked in the openings. Thus, the different angles of the holes formed on the plate, as well as the different radial locations of the arm and the stylus holder provide whatever conformation is desired on the work. In this manner, the stylus can move in a pattern that is pre-established with respect to a number of various movements without the requirement of a specific pattern for each particular conformation that is to be milled or cut.
    • 以下说明书公开了用于全息图的通用指南或图案。 全息图可以包括多个臂,其铰链点互相连接,支撑主轴具有用于铣削或切割圆形,华丽或偏心形状以及角度和线的切割工具。 具有切割器的主轴相应地跟随在形成有以两维或三维图案引导触针的臂的通用图案之上的触控笔的移动。 该图案部分地形成在具有中心定位的销或支撑柱的板上,该支撑柱保持其上具有刻度的可旋转臂。 可旋转臂具有一对可相对于刻度尺在不同位置沿其长度设置的止挡件。 全息笔可以被夹在一个触针支架内,触针支架沿着手臂在止动块之间移动,或者在由固定螺钉固定的触针支架内。 基板设置有多个各种角度定向的开口,使得臂可以转向不同的角度并锁定在开口中。 因此,形成在板上的孔的不同角度以及臂和触针座的不同径向位置在工作中提供了所需的任何构象。 以这种方式,触针可以相对于多种各种运动而预先建立的图案移动,而不需要针对要被铣削或切割的每个特定构型的特定图案。