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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0700059 (1976-06-25) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 5 인용 특허 : 0 |
This invention is directed to an umbrella whereby a person can open the umbrella with one hand and, also, close the umbrella with one hand. There is a spring which urges the umbrella to an open position. In the closed position there is a latching means for preventing movement of the elements of the
A one hand operated umbrella comprising: an inner shaft, an upper hub member secured to the top of the inner shaft, a plurality of ribs each supporting an umbrella cloth and pivotally engaged at one end to the circumference of the upper hub member, a pin through and secured to the lower end of the i
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