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    • 3. 发明专利
    • PANEL BORING DEVICE
    • JPH0732303A
    • 1995-02-03
    • JP17567693
    • 1993-07-15
    • MISAWA HOMES CO
    • NOJIMA MASAAKI
    • B23B35/00B27C3/06
    • PURPOSE:To contribute to the improvement of acuuracy, labor saving and mass production and comply with the difference of directions of a side end face to be bored by antomating the boring on the side end face of a panel. CONSTITUTION:A device comprises a bed 12 for placing a panal 2 to be bored, a freely retractable regulating component 16 being in contact with the front end face of the panel 2 and stopper components 17 on both sides, either of which is brought into contact with the side end face of the panel 2. Also the device comprises a moving means 21 for moving the panel 2 to the side by means of a moving component 18 and bringing selectively the panel into contact with either one of the stoppers 17, a press means 31 for pressing the panel 2 by means of a press component 19 and fixing the same on the bored positon and boring machines 41 disposed respectively on both sides for forming a plurality of bores on both side end faces of the panel 2.
    • 9. 发明专利
    • METHOD AND APPARATUS FOR FORMING BEFOREHAND HOLE FOR PLYWOOD FOR GAME MACHINE
    • JP2002126296A
    • 2002-05-08
    • JP2000324923
    • 2000-10-25
    • HEIWA CORP
    • KOBAYASHI FUJIO
    • A63F7/02B27C3/06
    • PROBLEM TO BE SOLVED: To uniformly and easily provide plural beforehand holes for screws having the depth and form of hole not to affect screwing-in of screws on at least one of front and rear sides of plywood for game machine. SOLUTION: An inner frame (plywood) 6 is set on a fixed surface plate 24 protruding beforehand hole forming pins 32 upward, a movable surface plate 28 protruding the beforehand forming pins 32 downward is moved downward while being guided by guide shafts 26a and 26b and pressure is exerted upon the inner frame 6 in the up and down directions with these movable and fixed surface plates 24, 28. Only by performing such operation, a large number of beforehand holes for wood screw are provided on a front side 6a and a rear side 6b of the inner frame 6. In this case, the inner frame placed on the fixed surface plate and applied with pressure is set in the state of fitting positioning pins 30a and 30b protruded from a pin attaching plate 24a into positioning holes formed on the inner frame, and trouble such as lateral deviation of the inner frame 6 does not occur.