[특허]Rocking cradle aided by magnets

Rocking cradle aided by magnets 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47D-009/02
출원번호	US-0948575 (1992-09-23)
발명자 / 주소	Kao Yao-Tzung (No. 7 Section 3 Pei An Road Tainan TWX)
인용정보	피인용 횟수 : 32 인용 특허 : 0

초록 ▼

A rocking cradle is provided which allows for a hanging cradle contained within a supporting frame to be aided in its cyclical transverse displacement by magnetic attraction and repelling forces. Central magnets are mounted on the hanging cradle and are attracted and repelled by a pair of magnets mounted on the supporting frame with one of the magnets being fixed to the supporting frame and the other magnet being rotatively displaceable with respect to the first magnet. Transverse displacement of the hanging cradle causes pivoting of one of the magnets on the supporting frame which then allows a repelling force from the stationary magnet to act against the magnets mounted on the hanging cradle to displace the hanging cradle away from the magnets on the supporting frame.

대표청구항 ▼

A rocking cradle comprising: (a) a longitudinally extended supporting frame having a lower section and an upper section, said lower section forming an open enclosure, said upper section defining a pair of longitudinally opposing inverted V-shaped support frame members; (b) a hanging cradle mounted within said open enclosure of said supporting frame, said hanging cradle including a pair of longitudinally opposing inverted V-shaped hanging rod members, each of said inverted V-shaped hanging rod members being fixedly secured to opposing transverse ends of a horizontal frame member of said hanging cradle, each of said inverted V-shaped hanging rod members having an apex section aligned with and pivotally coupled to a respective apex section of a respective one of said inverted V-shaped supporting frame members; and, (c) means for cyclically applying attractive and repulsive forces to said hanging cradle cyclically displacing said hanging cradle in a transverse direction, said means for cyclically applying said forces including at least a pair of central magnets each central magnet having a first polarity exposed transversely toward said frame, said pair of central magnets mounted on at least one longitudinal end of said horizontal frame member and a pair of wedge block members secured to said horizontal frame member and mounted on opposing transverse sides of said central magnets, a first magnet casing fixedly secured to one of said inverted V-shaped support frame members containing a first magnet having said first polarity exposed toward said pair of central magnets, a second magnet casing pivotally coupled to said first magnet casing containing a second magnet having a second polarity opposing said first polarity and exposed toward said pair of central magnets for attracting one of said central magnets, said second magnet casing having an actuating rod member extending longitudinally therefrom and aligned with one of said wedge block members on said hanging cradle for slidingly engaging one of said wedge block members and pivotally displacing said second magnet casing with respect to said first magnet casing, said first and second magnet casings being transversely aligned each to the other by a stop member in contiguous contact with an upper surface of each of said first and second magnet casings whereby one of said central magnets is attracted by said second magnet for displacing said hanging cradle toward said aligned first and second magnet casings followed by said wedge block member contacting said actuating rod to rotate said second magnet casing out of alignment with said first magnet casing thereby exposing said first magnet for applying a repelling force to said central magnet and said hanging cradle.

이 특허를 인용한 특허 (32)

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Guozhu, Liu; Shuiyan, Zou; Tianhong, Chen; Zhaoneng, Deng, Control device for a children's bouncer and infant support.
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Gilbert, David C.; Burns, Stephen R.; Jackson, Peter D.; Simons, Charles; Ru, Chen Jing, Electromagnetic swing.
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Troutman, Damon Oliver Casati; Bretschger, Edward B., Exposed legs for a play yard.
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Bellows, William B.; Pacella, Jonathan M.; Mountz, Jonathan K.; Craig, Jennifer E.; Saint, Nathanael, Infant supporting apparatus.
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Troutman, Damon Oliver Casati, Play yards and methods of operating the same.
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Troutman, Damon Oliver Casati, Play yards and methods of operating the same.
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Troutman, Damon Oliver Casati, Play yards and methods of operating the same.
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Cowgill,Joy, Portable rocker for baby cribs and the like.
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Troutman,Damon Oliver Casati, Rounded play yard.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Rocking cradle aided by magnets 원문보기

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