Entertainment button device and game machine
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United States of America Patent
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Jul 22, 2014
Grant Date -
Jun 6, 2013
app pub date -
Sep 28, 2012
filing date -
Dec 2, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An entertainment button device includes: an entertainment button; and a button-up-and-down mechanism including: a bias member to bias the entertainment button in a moving-up direction; a shaft member extending in a moving direction of the entertainment button; a rotating mechanism to rotate the shaft member; an engagement part to move up and down with the entertainment button; a convex portion having an inverted trapezoid shape and a concave portion having a trapezoid shape formed on an outer periphery of the shaft member; a spiral guide part on one end of the convex portion in a circumferential direction; a straight part formed on the other end of the convex portion in the circumferential direction. The straight part extends in parallel with a direction of a central axis of the shaft member; and a smoothing guide part extending in a direction orthogonal to the central axis of the shaft member.
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