[특허]Ground engaging member for movable structures

[미국특허] Ground engaging member for movable structures 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60B-009/00
출원번호	US-0663218 (1976-03-02)
우선권정보	UK-0009189 (1975-03-05)
발명자 / 주소	Dyson James (Badminton EN)
출원인 / 주소	Kirk-Dyson Designs Ltd. (London EN 03)
인용정보	피인용 횟수 : 17 인용 특허 : 0

초록 ▼

The invention relates to a ground engaging member in the form of a ball for supporting load carrying structures, such as wheelbarrows. The ball is preferably moulded from a plastics material, such as a mixture of EVA and low density polyethylene, and is formed in one piece with sockets for receiving stub axles on the frame of the barrow. The stub axles are non-rotatably mounted in an inner cup-shaped nylon bearing rotatably mounted in an outer cup-shaped nylon bearing fixedly received in a socket. The ball may be moulded with treads and ribs.

대표청구항 ▼

A wheelbarrow comprising a frame and a supporting ground engaging ball member rotatably mounted therein, said ball member being molded in one piece from a plastic material consisting of a mixture of an ethylene-vinyl acetate co-polymer and a low density polyethylene with diametrically opposite sockets therein, a bearing assembly mounted in each of said sockets, said frame terminating in stub shafts adapted to fit a bearing assembly, said bearing assemblies each having an outer cup-shaped member non-rotatably mounted in a socket with said outer cup-shaped member terminating in an outer peripheral flange for engaging the outer surface of said ball member, said outer cup-shaped member being of a length less than the depth of said socket with the inner end of said cup-shaped member being spaced from the bottom of said socket upon the engagement of said peripheral flange with said ball member, an inner cup-shaped member non-rotatably mounted on said shaft and rotatably mounted in said outer cup-shaped member, said inner cup-shaped member terminating in and outer peripheral flange engaging the outer peripheral flange of the outer cup-shaped member, said inner cup-shaped bearing being of a length less than said outer cup-shaped member with the inner end of said inner member being spaced from the inner end of the outer cup-shaped member upon the engagement of said flanges of said cup-shaped members.

이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

Harris, Isabelle, Ball wheel for a wheelbarrow.
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Lowery Michael B. (228 Preston New Rd. Blackpool GB2), Ball-like wheel with sockets for axle.
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Ahmed, Aslam, Bicycle training wheel assembly.
상세보기
Buck Gordon H. (3784 Newton St. Torrance CA 90505), Inflated balloon tire for toy vehicles.
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Tuggle William E., Low pressure tire.
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Brannan John E. (Lake Zurich IL), Material handling vehicle.
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Kern Alan R. ; Henry Scottlan R. ; Johnson Christopher M., Molded wheel and bearing assembly.
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Rther Hubert (Elbring 25 Seevetal 8 bei Hamburg DEX D-2105), Multi-purpose wheel particularly useful for games and demonstrations.
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Chatani Yasushi (Tokorozawa JPX), Rolling toy and axle arrangement.
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Leininger Mary M. (Brown Deer WI) Young Danny C. (Hayti MO), Self-aligning, self-locking plastic bushing including a method for mounting the bushing to a wheel assembly.
상세보기
Farbaniec, Richard; Taylor, Robert J.; Lenac, Albert; Johnson, David N., Self-lubricated connector.
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Dyson, James; Gammack, Peter David, Vacuum cleaner.
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Dyson, James; Gammack, Peter David; Bates, Adam James, Vacuum cleaner.
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Dyson, James; Gammack, Peter David; Dawson, Paul, Vacuum cleaner.
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Dyson, James; Gammack, Peter David; Dawson, Paul; Reid, Paul Barry; Bates, Adam James, Vacuum cleaner.
상세보기
Dyson, James; Gammack, Peter David; Reid, Paul Barry, Vacuum cleaner.
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Tuggle, William E., Wheel for land vehicles and method for moving such vehicles over soft or irregular surfaces.
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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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[미국특허] Ground engaging member for movable structures 원문보기