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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0304407 (1994-09-12) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 8 인용 특허 : 0 |
A door opening and closing device for a handicapped person dependent on a wheel chair and or crutches for mobility is disclosed, which includes a housing generally sized for a person to hold in his hand, the housing having a peripheral opening. A reel is rotatably mounted within the housing, and an
A door opening and closing device adapted particularly for use by handicapped persons confined to a wheel chair who are unable to reach the door knob of a standard residential or commercial building door to easily open or close the door when approaching and after passing through the doorway in the w
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