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    • 71. 发明专利
    • Improvements in or relating to Shoe-holding Jacks for Machines for Operating on Boots or Shoes.
    • GB191202733A
    • 1913-01-30
    • GB191202733D
    • 1912-02-02
    • BRITISH UNITED SHOE MACHINERYFRANK BYCROFT KEALL
    • A43D15/00A43D17/00A43D95/20A43D111/00
    • 2733. Keall, F. B., and British United Shoe Machinery Co. Feb. 2. Work - supports. - A shoe-holding jack of the type described in Specification 14,696/08,[Class 17, Boots &c.], is provided with a c l a m p which adjusts itself and engages the shoe with the same pressure irrespective of the size or the thickness of the shoe to be held. The clamp C is pivoted to the lower end of a slider C which is adapted to slide in a plunger B, which itself moves in a casting A secured to a bracket on the machine frame. The slider C is provided with a flange C at its upper end, which is adapted to abut against an internal flange B' on the plunger B. A strong spring D, situated below and bearing against the internal flange B , presses down upon a collar C' screwed upon the slider C . The upper part of the plunger is provided with racks B , which are adapted to be engaged by pawls E, E pivoted to a slide F, which can be moved through a toggle connexion with a hand-lever H . When the toggle is broken and the slide lifted, the plunger B is lifted by shoulders on the slide engaging shoulders on the upper part of the racks B . The slider C' is also lifted towards the end of the upward movement by the flange B on the plunger engaging the flange C on the slider. The pawls E, E are lifted from the racks during the upward movement of the slide F, by shields J supported by the pivot of the lever H . After the shoe has been placed in position, the slide F is depressed, and the slider C' and plunger B move downwards together under the pressure of a light spring F situated between a downward extension F of the slide F and an abutment on the slider C . After the clamp engages the work, the spring F yields, permitting the slide F to continue its movement until the pawls E, E' clear the shields J and engage one or other of the racks B . The plunger B is thus forced down and exerts the full clamping pressure on the work through the strong spring B . A stop is provided to retain the lever in a position in which it holds the toggle extended.
    • 75. 发明专利
    • Improvements in or relating to Burnishing Machines particulary for use in Boot and Shoe Manufacture.
    • GB191029944A
    • 1911-01-16
    • GB191029944D
    • 1909-12-14
    • BOULT ALFRED JULIUS
    • BOULT ALFRED JULIUS
    • A43D95/20A43D95/22A43D95/24
    • 29,944. Boult, A. J., [United Shoe Machinery Co.]. Dec. 14, 1909. Burnishing by compression.-The finger-hook of a burnishing or like machine having a plurality of tools such as a machine having forepart and shank tools for setting sole edges, is mounted so that it is free to move when one tool is brought into operative position, but is automatically locked against movement when the other tool is in operative position. The means for reversing the tools is the same as is described in Specification 29,237/09. The finger-hook 130 is longitudinally adjustable in an arm 144 pivoted at 146 to the actuating-lever 92 of the reversing - mechanism, and extends freely through this lever so that it can have a small amount of play. The arm 144 is formed with an inclined slot 150, Fig. 3, having vertical shoulders 152, and a spring-pressed locking-plate 158 is adapted to be moved into the position shown in Fig. 3, in which case the finger-hook is free, or into engagement with the shoulders 152, in which case the finger-hook is locked against movement. This is effected automatically by the engagement with the plate of one or other of two projections 160, 162, Fig. 1, on the toolholder. The projection 160 is located so as to free the finger-hook when the shank tool is operative, while the projection 162 locks the finger-hook when the forepart tool is operative. The finger-hook may be provided with a gas passage 132 and burner tip 134. Specification 29,237/09 is referred to.
    • 76. 发明专利
    • Improvements in or relating to Burnishing Machines particularly for use in Boot and Shoe Manufacture.
    • GB190929237A
    • 1911-01-16
    • GB190929237D
    • 1909-12-14
    • BOULT ALFRED JULIUS
    • BOULT ALFRED JULIUS
    • A43D95/20A43D95/22A43D95/24
    • 29,237. Boult, A. J., [United Shoe Machinery Co.]. Dec. 14. Burnishing by compression.-Relates to burnishing a n d like machines, and particularly to twin edge-setting machines, of the type in which separate vibratory tools are provided for operating respectively upon the forepart and shank of a shoe, and consists in the provision of means to cause the tools, when operative, to vibrate in different paths; it also consists in the provision of means automatically to move each tool into and out of operative position. The tools 84, 86 are removably carried in a holder, which is normally held by a spring 90 in a locking engagement with a jaw 88 on the lower end of a spring- pressed rocker-frame 68 located in a groove 66 in, and pivoted at 70 to, a main rock-shaft 34. The toolholder is furnished with a long stem 82, which passes through a sleeve 76 and is formed with a square upper end projecting through a similarly shaped hole in a head 78 integral with the sleeve 76. The end of the stem is recessed and engaged by a headed bolt 106, formed with a thread of long pitch to engage a similar thread in the walls of a block 102 mounted between forks in the end of an extension 100 of a lever 92, which forms the actuating-means for reversing the tools. This lever is furnished with an adjustable plate 94 located adjacent to the position occupied by the shoe being treated, and is yieldingly held in the position shown by a spring 98. When the tools are to be reversed, the operator presses the shoe against the plate 94, which, through the connexions described, swings the block 102 downwards. The first effect of this movement is to force the tool - holder downwards against the action of the spring 90 until it is out of engagement with the locking jaw 88, after which it is rotated by the action of the block 102 on the threaded bolt 106. To cause the tools to move in different paths, there is provided a pivoted cam-bar 114 having a forward inclined portion formed with a flat cam-face 118 and a curved cam-face 120. These cam-faces are adapted to co-operate respectively with a curved cam-face 128 on the rocker frame 68, and a flat cam-face forming part of the head 78 of the sleeve 76. In the position shown, the cam - face 120 is engaged by the head 78, and the shank tool 86, which is in operative position, is vibrated in a curved path. When the tools are reversed, a thin portion 129 of the head 78 permits the cam-faces 118, 128 to engage each other, with the result that the forepart tool is vibrated in a rectilinear path, the surface 128 being of such curvature that its axis passes through the burnishing-face of the tool. The pressure of the tools against the work is varied by an adjustable spring 122. Specification 29,944/10 is referred to.
    • 77. 发明专利
    • Improvements in or relating to Shoe Sole Edge Setters.
    • GB190927762A
    • 1910-08-18
    • GB190927762D
    • 1909-11-29
    • JUSTICE PHILIP MIDDLETON
    • JUSTICE PHILIP MIDDLETON
    • A43D95/20A43D95/22A43D95/24
    • 27,762. Justice, P. M., [Plant, T. G.]. Nov. 29. Edge-setting.-In an edge-setting machine, a spring-supported fingerrest projecting from the frame of the machine is moved inwards, to permit presentation of the shank portion of the sole to the tool, by depressing a treadle. The tool-carrying head 24 of the machine is reciprocated in horizontal slides 13, 19, in a bracket 11 projecting from a sleeve 10, which rides on a collar 7 extending from one of the bearings of the operating-shaft 5. A conical crank-pin 28 on the shaft enters a coned bearing in a block 25 moving in a vertical slide in the tool-carrying head. The sleeve 10 may be adjusted on the collar 7, and the upper slide 13 along an incline in the bracket, to take up wear on the crank-pin and slide respectively. The toolcarrier 38, which is provided with tool-supporting pins 52 to engage recesses in the tools 48, is mounted on a conical support on a bearing 36 projecting from a plate 35 carried by an arm, which is pivoted at 31 to arms 30 depending from the head 24. Springs 53 lock the tools on their supporting-pins; and small projections engaging in recesses in the tools prevent rotary movement. The plate 35 moves in guides 49 extending from the front of the head, and is pressed downwards against a stop by a spring 50. The tool-carrier is held on its support by locking-members 45, which are carried by a loose pin 40, extending from a socket in the arm 32 and normally held in a forward position by a spring 41. The locking-members extend through slots in the plate 35, and engage in recesses 47 formed in the carrier, thus forcing the carrier on its conical support and locking it with one of the tools in operative position. The tools may be heated while in operative position, by a suitably-placed burner.