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Title:
GAME MACHINE
Document Type and Number:
Japanese Patent JP2011041715
Kind Code:
A
Abstract:

To provide a game machine which can be constituted inexpensively and can extremely effectively prevent a fraudulent replacement and fraudulent alteration of a control element.

In a controller 1 of a Pachinko machine, screw-holding parts 9a, 9b, ..., are provided on the right and left of an upper cover 6 so as to be easily cut, and the upper cover 6 and a lower cover 5 are put together by threadingly engaging the upper left and lower right screw-holding parts 9a, 9a to screw engaging bodies 20, 20 by one-way clutch type sealing screws 13 provided with a rotation transmission mechanism. Meanwhile, in the screw-holding parts 9b, 9b, ..., non one-way clutch type sealing screws 14 are held. In the sealing screws 13, the rotary force is transmitted to a male threaded part 61 and the male threaded part is rotated only when a rotary operation member is rotated clockwise. Meanwhile, the sealing screws 14 are rotated only when pressing a flat-blade screwdriver to a vertical surface of a screw projection and rotating it in the right direction.


Inventors:
HASEGAWA KAZUMASA
NAKAGAKI KENICHI
Application Number:
JP2009000192553
Publication Date:
March 03, 2011
Filing Date:
August 21, 2009
Export Citation:
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Assignee:
TOYOMARU IND CO LTD
International Classes:
A63F7/02
Domestic Patent References:
JP2000097221A2000-04-04
JP2002224383A2002-08-13
JP2007032611A2007-02-08
JP2008142121A2008-06-26
JPH058062U1993-02-02
JP2009136368A2009-06-25
JP2000145745A2000-05-26
JP2000097221A2000-04-04
JP2002224383A2002-08-13
JP2007032611A2007-02-08
JP2008142121A2008-06-26
JPH058062U1993-02-02
Attorney, Agent or Firm:
石田 喜樹
上田 恭一
井上 敬也
園田 清隆



 
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