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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0203421 (1988-06-06) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 29 인용 특허 : 1 |
The prevent invention is directed to improvements in vending machines of the type having an access door which is opened by a purchaser for removing a purchased article from within the machine. A two-stage hydraulic door closer is provided with a spring to return the access door through its arc of mo
An improved vending machine of the type comprising a housing for storing a supply of articles to be vended, an access door hinged to said housing for movement through an arc between a closed and an open position, and means for returning said access door from said open to said closed positions wherei
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