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    • 2. 发明授权
    • Reducing workpiece thickness
    • 减少工件厚度
    • US5611222A
    • 1997-03-18
    • US433439
    • 1995-06-21
    • Clive PreeceJohn E. L. SimmonsDavid C. ReedmanSterghios Topis
    • Clive PreeceJohn E. L. SimmonsDavid C. ReedmanSterghios Topis
    • C14B1/18C14B1/02
    • C14B1/18Y10T83/0296
    • A method of and apparatus for reducing the thickness of (or skiving) regions of sheet material workpieces, e.g. shoe upper components, involves feeding a workpiece 14 to a band knife (4) and, in advance of said knife, applying pressure to the workpiece 14, using a row of pressure-applying elements (18) to deform a region of the workpiece in relation to the cutting plane (20) of the knife. By controlling the elements (18) to operate in successive sequences of combinations, regions of the workpiece (14) are successively skived as the workpiece (14) passes the knife (4). The operation of the elements (18) is controlled by a computer (CPU), having a memory in which workpiece information data, relating to certain workpiece parameters, as well as in accordance with shape, positional and orientational data is stored. Such data may be generated using optical recognition workpiece means (100,120,140,160).
    • PCT No.PCT / GB93 / 02364 Sec。 371日期:1995年6月21日 102(e)日期1995年6月21日PCT 1993年11月17日PCT公布。 公开号WO94 / 12671 日期1994年6月9日一种用于减小片材工件(或刮削)区域的厚度的方法和装置,例如, 鞋面部件包括将工件14馈送到带刀(4),并且在所述刀具之前,使用一排压力施加元件(18)向工件14施加压力,以使工件的区域变形 与刀的切割平面(20)的关系。 通过控制元件(18)以连续的组合顺序操作,随着工件(14)通过刀具(4),工件(14)的区域被连续扫描。 元件(18)的操作由具有存储器的计算机(CPU)控制,其中存储有关于某些工件参数的工件信息数据以及根据形状,位置和取向数据的存储。 可以使用光学识别工件装置(100,120,140,​​160)来生成这样的数据。
    • 3. 发明授权
    • Automatic sewing machine system
    • 自动缝纫机系统
    • US5259329A
    • 1993-11-09
    • US849046
    • 1992-04-23
    • David C. ReedmanAndrew G. N. WalterIan JolliffeDavid L. SmithGaynor E. TaylorPaul M. Taylor
    • David C. ReedmanAndrew G. N. WalterIan JolliffeDavid L. SmithGaynor E. TaylorPaul M. Taylor
    • D05B21/00D05B69/00D05C5/06G05B19/408
    • G05B19/4083D05B21/00D05C5/06D05D2209/04G05B2219/36503G05B2219/37572G05B2219/45195G05B2219/50151
    • A workpiece is supported by work support means (40; 40'; 40"; 44'; 142, 144) for movement in a first direction by co-operating workpiece clamping and feeding means (46; 142, 144), both said means being supported on a carriage (16) for movement in a second direction normal to the first to move a workpiece relative to a sewing machine head. Both of said means are arranged on both sides of an elongated aperture (42) extending in the second direction in alignment with a needle penetration point (N). Stepping motors (24; 60) are provided for moving the carriage (16) and operating the workpiece clamping and feeding means (46; 142, 144) under programmed control. A camera (70) is also provided aligned with the aperture 42, for detecting the peripheral outline of a workpiece fed therebeneath. Computer means is effective, in response to the detected outline, to identify the workpiece type and its orientation and location on the workpiece support means and accesses an appropriate stitch pattern data file and modifies the data to take account of the workpiece orientation and location. The workpiece is then sewn according to the thus modified data.
    • PCT No.PCT / GB91 / 01449 Sec。 371日期:1992年4月23日 102(e)日期1992年4月23日PCT 1991年8月28日PCT公布。 出版物WO92 / 04493 工件由工件支撑装置(40; 40'; 40“; 44'; 142,144)支撑,用于通过协调工件夹紧和进给装置(46; 两个所述装置都被支撑在滑架16上,用于沿垂直于第一方向的第二方向运动,以相对于缝纫机头移动工件。 所述装置都布置在沿着第二方向延伸的细长孔(42)的两侧,与针刺​​入点(N)对齐。 提供步进电动机(24; 60),用于移动滑架(16)并在编程控制下操作工件夹紧和进给装置(46; 142,144)。 还设置有与孔42对准的照相机(70),用于检测在其附近馈送的工件的周边轮廓。 计算机装置响应于检测到的轮廓,有效地识别工件类型及其在工件支撑装置上的取向和位置,并访问适当的针迹图案数据文件并修改数据以考虑到工件的取向和位置。 然后根据如此修改的数据缝制工件。
    • 4. 发明授权
    • Digitizing the surface of an irregularly shaped article
    • 对非正式形状文章的表面进行数字化处理
    • US5094538A
    • 1992-03-10
    • US598003
    • 1990-10-10
    • David C. ReedmanPeter M. WittyStephen J. MarshallHugh G. Sasse
    • David C. ReedmanPeter M. WittyStephen J. MarshallHugh G. Sasse
    • A43D1/04G05B19/42H04N13/00
    • G06T7/0057A43D1/04G05B19/4207G05B2219/37554G05B2219/45243H04N13/0242H04N13/0253H04N2013/0081
    • An optical system and method for digitizing a last or other irregularly shaped article comprises a laser device fixed on a base directing a light beam at a last supported for rotation about an axis, perpendicular to which the light beam is directed. Two cameras are fixed to the base, one at each side of the laser device, and each comprises an array of cells for detecting the point of incidence of the light beam on the last surface. As the last is rotated, the point of incidence varies in relation to a datum, e.g. the axis of rotation, and the point maximum intensity of illumination on the array of cells will vary across the array accordingly. By a correlating technique, the distance of the point of incidence from the datum can be determined according to the point of maximum intensity of the array. Thus, for digitizing the last, it is necessary merely to rotate it and also move it in a direction along its length for a large number of point positions to be detected, these being then stored as digitized coordinate axis value (R-theta-z). Because the last is an irregularly shaped object, in certain circumstances it is necessary to provide more digitized point positions than in other areas. These are all catered for either by flagging for a subsequent in-fill operation or by back-stepping over reduced angles of rotation of the last.
    • 为了数字化最后的或其他不规则形状的制品,使用光学系统,其包括固定在机器基座(10)上的激光装置(14),并且引导最后支撑的光束围绕垂直于该光的轴线旋转 光束被导向。 两个摄像机(16)也固定到基座,一个在激光装置的每一侧,每个包括用于检测最后表面上的光束的入射点的单元阵列。 当最后一个旋转时,入射点将相对于基准变化,例如, 旋转轴线和单元阵列上的最大照明强度点将相应地在阵列上变化。 通过相关技术,可以根据阵列上的最大强度点来确定入射点距离原点的距离。 因此,为了数字化最后一个,仅需要旋转它并且还将其沿着其长度的方向移动以用于待检测的大量点位置,然后将它们存储为数字坐标轴值(R-θ-Z )。 因为最后一个是不规则形状的物体,在某些情况下,有必要提供比其他区域更多的数字化点位置。 需要更大清晰度的区域是最后一个底部的边界点,高曲率区域和“长弧”区域(即,由于光束到最后一个表面的角度,连续入射点之间的距离是 大)。 这些都是通过标记后续填充操作或通过反转最后一个旋转角度的方式来满足的。
    • 6. 发明授权
    • Determining an operating path of a tool in relation to a
three-dimensional surface of a workpiece
    • 确定工具相对于工件的三维表面的操作路径
    • US4541054A
    • 1985-09-10
    • US606957
    • 1984-05-04
    • Alan M. PeckDavid C. ReedmanFrederick J. GravelingDavid MooreGraham J. Mansfield
    • Alan M. PeckDavid C. ReedmanFrederick J. GravelingDavid MooreGraham J. Mansfield
    • A43D37/00G05B19/4097G05B19/42
    • A43D37/00G05B19/4207G05B2219/45243
    • For determining a path of movement of a tool along shoe bottom marginal portions a series of points along such path is selected and information regarding such points stored in the form of digitized co-ordinate axis values by a computer, from which information the path can subsequently be derived. The selected points are spaced by a predetermined distance (which may be the same for each pair of adjacent points) regardless of shoe bottom contour. To this end, when each point is digitized, the tool and shoe bottom are relatively moved apart by the predetermined distance along a first axis, extending heightwise of the shoe bottom. Thereafter in returning the tool and shoe bottom into engagement along said one dimension under operator control, appropriate compensating movement also takes place automatically along a lengthwise axis and/or along widthwise axis. In addition, relative movement may also be effected between the tool and surface under operator control along said widthwise axis, compensating movement then automatically taking place along said lengthwise axis. In either case, the compensating movement serves to maintain the predetermined distance between the tool and the workpiece surface.
    • 为了确定沿着鞋底边缘部分的工具的移动路径,选择沿着该路径的一系列点,并且通过计算机以数字化的坐标轴值的形式存储关于这些点的信息,路径可随后从该信息 被派生。 所选择的点间隔预定距离(对于每对相邻点可以是相同的),而与鞋底轮廓无关。 为此,当每个点被数字化时,工具和鞋底相对于鞋底底部的高度方向沿第一轴相对移动预定距离。 此后,在操作员控制下使所述工具和鞋底返回所述一个维度的接合状态,也可以沿纵向轴线和/或沿宽度方向的轴线自动进行适当的补偿运动。 此外,也可以在沿着所述宽度方向轴线的操作者控制下的工具和表面之间进行相对运动,从而沿着所述纵向轴线自动地进行补偿运动。 在任一情况下,补偿运动用于保持工具和工件表面之间的预定距离。
    • 7. 发明授权
    • Machine adapted for use in the manufacture of shoes
    • 机器适用于制造鞋子
    • US4387581A
    • 1983-06-14
    • US270801
    • 1981-06-05
    • David C. ReedmanKingsley J. Tutt
    • David C. ReedmanKingsley J. Tutt
    • A43D119/00A43D37/00C14B1/44
    • A43D37/00
    • Machine for performing a progressive roughing operation on shoe bottoms has a three-axis computer controlled stepping motor arrangement for moving two rotary radial roughing tools along a pre-determined path in relation to the shoe bottom being operated upon. The tools are also mounted on a common sub-frame for pivotal movement about a transverse axis which extends tangential to the shoe bottom engaging portion of the operating surface of the tools, again by computer-controlled stepping motor. Grinding stones are provided for grinding the tools, and a further stepping motor operates to move the tools relative to the sub-frame to maintain the shoe bottom engaging region of the operating surface of each tool in the datum plane in which said transverse axis lies.
    • 用于在鞋底进行逐步粗加工操作的机器具有三轴计算机控制的步进电动机装置,用于相对于操作的鞋底沿着预定的路径移动两个旋转径向粗加工工具。 工具也安装在共同的子框架上,用于通过计算机控制的步进电动机围绕横向轴线枢转运动,该横向轴线与工具的操作表面的鞋底接合部分相切地延伸。 磨石被提供用于研磨工具,并且另一个步进马达操作以相对于子框架移动工具,以将每个工具的操作表面的鞋底接合区域保持在所述横向轴线所在的基准平面内。