[특허]Loader with screening device

[미국특허] Loader with screening device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E02F-003/96
출원번호	US-0619955 (1996-03-20)
발명자 / 주소	Sirr Chester Lea,CAX ITX V0E 2G0
대리인 / 주소	Rowley
인용정보	피인용 횟수 : 24 인용 특허 : 6

초록 ▼

A loader such as a front end loader is provided with dam shell type bucket having a blade section, and collecting section pivoted thereon. The collecting section has a separating section having a separating surface curved on an are centered on pivotal axis of the collecting section and positioned relative to the leading edge of the blade section so that it tends to wipe clean the separating surface as it passes thereby when the relevant bucket sections are relatively pivoted from a screening position to a closed position. When the clam shell is in the screening position, the separating section forms at least a portion of the bottom of the bucket. A sifting screen for sifting finer material may also be provided as a dam at the free end of the collecting section.

대표청구항 ▼

[ We claim:] [1.] A bucket for earth moving equipment comprising a blade section having a lower leading edge, a collecting section pivotably connected to said blade section for movement about a normally horizontal axis of rotation, said axis of rotation being spaced from said lower leading edge and said collecting section being positioned in front of said blade section and having a leading end and a trailing end, a digging edge at said leading end and a trailing edge at said trailing end, said trading edge being adjacent to and being in close proximity to said leading edge when said bucket is in a closed position and means to pivot said collecting section relative to said blade section around said rotational axis to rotate said collecting section between said closed position and a fully open position with said leading edge and said trailing edge spaced apart characterized in that:an annual separating section is connected to and projects rearwardly from said collecting section, said separating section having an inner surface with a radius measured from said axis of rotation substantially equal to the radial distance between said leading edge of said blade section and said axis of rotation, said separating section being on the side of said leading edge of said blade section remote from said collecting section when said bucket is in closed position, substantially radially exiting holes through said separating section, said separating section forming the bottom of said bucket between said leading and trailing edges when said trailing edge is spaced from said leading edge and said bucket is in a partially open screening position, thereby material may be separated through said holes in said separation section.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Somero Nick (Rte. 1 ; Box 133 Raymond WA 98577), Brush rake.
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Scott Thomas M. (Rte. 1 ; Box 914 Petersburg WV 26847) Scott David R. (Rte. 1 ; Box 914 Petersburg WV 26847), Earth moving and compacting rig.
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Carlsson Leif E. C. (Eslv SEX), Method and apparatus for separating fine and coarse materials from excavated materials.
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Mieger Rolf (Fellheimer Weg 3 7951 Kirchdorf 3 DEX), Scoop for a mobile implement.
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Van Dalfsen Rudolf (Buitenhaven 2 NL-8281 BL Genemuiden NLX), Scooping apparatus, vehicle and coupling plate therefore.
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Jonninen Markku (Hollola FIX), Screen crusher for soil materials.
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이 특허를 인용한 특허 (24) 인용/피인용 타임라인 분석

Currey, Albert Ben, Agitator and mechanical bucket for use therewith.
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Davis, Pamela R., Bucket with cigarette butt filter.
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Cronk ; Jr. Thomas J., Clam bucket for use in pipeline padding.
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Cronk ; Jr. Thomas J., Clam bucket for use in pipeline padding.
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Currey, Albert Ben, Crusher and mechanical bucket for use therewith.
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Rossi, Jr., Robert R., Excavating machinery with bucket for screening and/or mixing excavated material.
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Rossi, Jr., Robert R., Excavating machinery with bucket for screening and/or mixing excavated material.
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Samuel S. Pratt, Excavator bucket with ripping implement.
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Currey, Albert Ben, Excavator sizing bucket.
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Currey,Albert Ben, Excavator sizing bucket.
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Eric Gagnon CA; Bruno Rubinger CA, Hinged scoop end-effector.
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Dean R. Weyer ; Michael Kevin Kehler, Hydraulic collection tool.
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Weyer, Dean R.; Kehler, Michael Kevin, Hydraulic collection tool.
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Stevens,Timothy J., Landscape preparation apparatus.
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Foutz, Steve E.; Barnes, Houston T., Material separating apparatus and method for using same.
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Vaine,Norman, Method of processing and sorting aggregate material.
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Sirr, Chester Lea, Multi-purpose bucket.
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Greenberg, Evan; Grassi, Giordano, Pipeline padding machine.
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Stevens, Timothy J., Pulverizer.
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Turnbull, Sam Dominic Seaton, Screen/mixer.
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Rodney James Leyland GB; Steven Hall GB, Segregator bucket.
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Klager, Gene, Self-cleaning hydraulic clam bucket.
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Beckmann, Detlef; Tormen, Elvis, Side wall for a movable part of an excavator bucket.
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Heiple Ashley E., Sifter attachment for excavating machines and the like.
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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] Loader with screening device 원문보기