Sealing member, toner accommodating container and image forming apparatus
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G03G-015/00
G03G-015/08
출원번호
US-0076430
(2002-02-19)
우선권정보
JP-0042536 (2001-02-19); JP-0197546 (2001-06-28)
발명자
/ 주소
Yamada, Yusuke
Ban, Yutaka
Murakami, Katsuya
Tazawa, Fumio
Minagawa, Hironori
출원인 / 주소
Canon Kabushiki Kaisha
대리인 / 주소
Fitzpatrick, Cella, Harper &
인용정보
피인용 횟수 :
40인용 특허 :
18
초록▼
A toner supply container detachably mountable to an image forming apparatus includes a container body with a discharge opening formed thereon. A sealing member, which unsealably seals the discharge opening, includes an engageable projection engageable with an engaging member provided in the image fo
A toner supply container detachably mountable to an image forming apparatus includes a container body with a discharge opening formed thereon. A sealing member, which unsealably seals the discharge opening, includes an engageable projection engageable with an engaging member provided in the image forming apparatus and a support for displaceably supporting the engageable portion. The sealing member is moved relative to the container body away therefrom to unseal the discharge opening. The engageable projection is engaged with the engaging member. A releasing projection, is provided in the supporting member, for receiving, from a releasing member provided in the image forming apparatus, a force for displacing the engageable projection in a direction of disengagement from the engaging member.
대표청구항▼
1. A toner supply container detachably mountable to an image forming apparatus, said container comprising:a container body for accommodating toner; a discharge opening, which is provided in said container body, for permitting discharge of the toner; a sealing member for unsealably sealing said disch
1. A toner supply container detachably mountable to an image forming apparatus, said container comprising:a container body for accommodating toner; a discharge opening, which is provided in said container body, for permitting discharge of the toner; a sealing member for unsealably sealing said discharge opening, wherein said sealing member includes an engageable projection, which is engageable with an engaging member provided in the image forming apparatus, and a supporting member for displaceably supporting said engageable projection, wherein when said sealing member is moved relative to said container body away therefrom to unseal said discharge opening, said engageable projection is engaged with the engaging member; and a releasing projection, provided in said supporting member, for receiving, from a releasing member provided in the image forming apparatus, a force for displacing said engageable projection in a direction of disengagement from the engaging member. 2. A container according to claim 1, wherein said engageable projection is engageable and disengageable relative to the engaging member substantially without receiving a force in a direction away from the engaging member.3. A container according to claim 1, wherein said releasing projection is constructed so as to receive a releasing force from said releasing member, which is in a form of a slidable hollow-cylindrical shape, and said releasing projection projects from said engageable projection.4. A container according to claim 3, wherein said releasing projection is provided at a position nearer to a base portion of said supporting member than said engageable projection.5. A container according to claim 1, wherein a plurality of supporting members are arranged in a circumferential direction at discrete positions.6. A container according to claim 1, wherein four supporting members are arranged in a circumferential direction with a 90° spacing therebetween.7. A container according to claim 1, wherein said engageable projection and said releasing projection have tapered surfaces.8. A container according to claim 1, wherein said supporting member is made of a resin material and is elastically restorable in a direction of said engageable projection engaging with the engaging member.9. A container according to claim 8, wherein said supporting member has a smaller thickness at a base portion than at a free end portion thereof.10. A container according to claim 8, wherein said supporting member is provided at each side of said engageable projection with a slit extending to a free end of said supporting member.11. A container according to claim 1, further comprising an urging member for urging said supporting member in a direction of said engageable projection engaging the engaging member.12. A container according to claim 1, wherein said engageable projection is engageable with the engaging member in a snap-fit fashion.13. A container according to claim 1, wherein after said discharge opening is resealed, said engageable projection is disengaged from the engaging member by a force received by said releasing projection.14. A tone supply container detachably mountable to an image forming apparatus, said container comprising:a container body for accommodating toner; a discharge opening, which is provided in said container body, for permitting discharge of the toner; and a sealing member for unsealably sealing said discharge opening, wherein said sealing member has an engageable projection, which is engageable with an engaging member provided in the image forming apparatus in a snap-fit fashion, wherein when said sealing member is moved relative to said container body away therefrom to unseal said discharge opening, and engageable projection is engaged with the engaging member, and wherein said engageable projection is disengageable with the engaging member by a releasing member provided in the image forming apparatus substantially without receiving a force in a direction away from the engaging member. 15. A sealing member for sealing a toner discharge opening of a toner supply container detachably mountable to an image forming apparatus, said sealing member comprising:a sealing portion for sealing the toner discharge opening; an engageable projection, which is engageable with an engaging member provided in the image forming apparatus; a supporting portion for displaceably supporting said engageable projection, wherein when said sealing portion is moved relative to the container away therefrom to unseal said discharge opening, said engageable projection is engaged with the engaging member; and a releasing projection, provided in said supporting portion, for receiving, from a releasing member provided in the image forming apparatus, a force for displacing said engageable projection in a direction of disengagement from the engaging member. 16. A sealing member for sealing a toner discharge opening of a toner supply container detachably mountable to an image forming apparatus, said sealing member comprising:a sealing portion for sealing the toner discharge opening; and an engageable projection, which is engageable with an engaging member provided in the image forming apparatus in a snap-fit fashion, wherein when said sealing portion is moved relative to the container away therefrom to unseal the discharge opening, said engageable projection is engaged with the engaging member, and wherein said engageable projection is disengageable with the engaging member by a releasing member provided in the image forming apparatus substantially without receiving a force in a direction away from the engaging member. 17. A toner supply container detachably mountable to an image forming apparatus, said container comprising:a container body for accommodating toner; a discharge opening, which is provided in said container body, for permitting discharge of the toner; an engageable projection, which is engageable with an engaging member provided in the image forming apparatus to substantially fix a position of said discharge opening; a supporting member for displaceably supporting said engageable projection, wherein when the toner is supplied into the image forming apparatus from said toner supply container, said engageable projection is engaged with the engaging member; and a releasing portion, provided in said supporting member, for receiving, from a releasing member provided in the image forming apparatus, a force for displacing said engageable projection in a direction of disengaging from the engaging member.
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이 특허에 인용된 특허 (18)
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