Patent ID: 6524192
Filing Date: 2003-02-25
Classification: A63D

Abstract:
A pin arrangement control apparatus, comprising:scissors for pinching a neck portion of a bowling pin; a link mechanism for performing an opening/closing operation of the scissors, including a rod with a circumferential groove configured to receive a plurality of balls; and a connecting unit provided between the scissors and the link mechanism, including a solenoid which is set to an actuation state of conducting or non-conducting, and a lock mechanism for setting the scissors and the link mechanism into a linked state or a free state therebetween in response to the actuation state of the solenoid, the lock mechanism further comprising: a pipe which is slidably disposed about said rod and said groove, said pipe being further attached to the scissors; and a plurality of balls held by the pipe, wherein the pipe and the rod are put into a latched state or a non-latched state by making the balls fitted or non-fitted to the groove depending on the actuation state of the solenoid, and in said linked state, said connecting unit transfers motion of said link mechanism to said scissors, causing said scissors to open or close.