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특허 상세정보

Stackable hopper bottom for storage bin

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B67D-005/60   
미국특허분류(USC) 222/143 ; 222/185.1 ; 222/460
출원번호 US-0824240 (1997-03-25)
우선권정보 CA-2189476 (1996-11-04)
발명자 / 주소
대리인 / 주소
    Battison
인용정보 피인용 횟수 : 76  인용 특허 : 4
초록

A hopper bottom for supporting a grain bin includes a frustro conical hopper bottom wall with a discharge opening at a central base. Around the periphery of the wall is provided a plurality of vertical legs which support the wall above a horizontal support surface. The legs are formed square tubing with a hinge part way along the leg so as to divide the leg into an upper fixed stub portion and a lower pivotal main portion. The hinge is positioned inside the inside surface of the leg so that the main portion can fold to a position extending inwardly and d...

대표
청구항

[ We claim:] [1.] A hopper bottom for a storage bin comprising:a generally conical hopper bottom wall having an outer edge and extending therefrom downwardly and inwardly toward a central base;a discharge opening at the central base having a closure member for opening and closing the discharge opening whereby material stored in the bin can be discharged by gravity;and a plurality of legs arranged at spaced positions around the hopper bottom wall for supporting the hopper bottom wall and the central base at a height spaced upwardly from a horizontal suppo...

이 특허를 인용한 특허 피인용횟수: 76

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