发明授权
US4705153A Coin acceptor for vending machine 失效
自动售货机的硬币接收器

Coin acceptor for vending machine
摘要:
A coin acceptor includes first and second members initially spaced apart from one another and frictionally carrying a third member. Moving the first and second members toward one another displaces the third member a distance corresponding to the weight of the coin selectively positioned on the third member. The distance which the third member is displaced is compared with a reference position.
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