[특허]Door opening and closing mechanism

Sharp Kabushiki Kaisha

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Door opening and closing mechanism

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05F-001/00
미국특허분류(USC)	049/379; 312/296; 292/336.3
출원번호	UP-0666155 (2005-09-07)
등록번호	US-7784219 (2010-09-20)
우선권정보	JP-2004-317587(2004-11-01); JP-2004-318697(2004-11-02); JP-2004-318756(2004-11-02)
국제출원번호	PCT/JP2005/016388 (2005-09-07)
§371/§102 date	20070424 (20070424)
국제공개번호	WO06/048975 (2006-05-11)
발명자 / 주소	Yoshikawa, Takashi Nakahama, Wataru Hasegawa, Toru
출원인 / 주소	Sharp Kabushiki Kaisha
대리인 / 주소	Birch, Stewart, Kolasch & Birch, LLP
인용정보	피인용 횟수 : 8 인용 특허 : 10

초록
▼

A door opening and closing mechanism in which a door to be attached to a body having an opening is separated from, and made in contact with the periphery of the opening so that the opening is opened and closed, is provided with: a handle that is shaft-supported on the door and allowed to pivot with an operation portion being held; and a lever member that has a supporting portion that is attached to the door so as to freely pivot thereon, a connecting portion that is connected to the handle so as to freely pivot thereon on the same side as the operation portion with respect to the rotation axis of the handle, and a contact portion that is placed on the side opposite to the connecting portion with respect to the supporting portion, and arranged face to face with the periphery of the opening, and in this structure when the operation portion is pulled, the contact portion is allowed to press the body so that the door is separated from the periphery of the opening with a predetermined distance.

대표
청구항
▼

The invention claimed is: 1. A door opening and closing mechanism in which a door to be attached to a body having an opening is separated from, and made in contact with a periphery of the opening so that the opening is opened and closed, comprising: a handle that is shaft-supported on the door and allowed to pivot, the handle having an operation portion; and a lever member that is provided with a supporting portion that is attached to the door so as to freely pivot thereon, a connecting portion that is connected to the handle so as to freely pivot thereon on the same side as the operation portion with respect to a rotation axis of the handle, and a contact portion that is placed on a side opposite to the connecting portion with respect to the supporting portion and is arranged face to face with the periphery of the opening, wherein, when the operation portion is pulled, the contact portion is allowed to press the body so that the door is separated from the periphery of the opening with a predetermined distance. 2. The door opening and closing mechanism according to claim 1, wherein: the lever member is provided with a crank shaft that forms the connecting portion and the supporting portion in cooperation with first and second shaft portions that are placed in parallel with each other, and the contact portion is perpendicularly provided in the second shaft portion so that the operation portion and the contact portion are placed within different planes that are perpendicular to the rotation axis of the handle. 3. The door opening and closing mechanism according to claim 1, wherein the first shaft portion is fitted to an elongated hole formed in the handle so as to freely pivot therein. 4. The door opening and closing mechanism according to claim 1, wherein the rotation axis of the handle and the contact portion are placed on the side opposite to the connecting portion. 5. The door opening and closing mechanism according to claim 1, wherein: the door is held in the body so as to freely pivot therein, and the pivotal movement of the door allows the opening to be closed and opened. 6. The door opening and closing mechanism according to claim 5, wherein, the handle and the lever member are symmetrically placed on each of two sides of the door, and two cam mechanisms that allow the door and the body to be engaged with, and separated from each other are symmetrically placed on each of the two sides of the door; in a closed state of the door, the cam mechanisms on the two sides of the door are maintained at first symmetrical engaged positions; and upon opening one of the doors, the door is slide-shifted outward from the one door, while the other cam mechanism is shifted to a second engaging position so that the door is locked in a manner so as to freely pivot, with the operation portion being placed in the center side of the doors from the rotation axis of the handle. 7. The door opening and closing mechanism according to claim 1, wherein the door is held in a manner so as to slide backward and forward with respect to the body so that the opening is opened and closed when the door is allowed to slide backward and forward. 8. A door opening and closing mechanism in which a door to be attached to a body having an opening is separated from, and made in contact with a periphery of the opening so that the opening is opened and closed, and having a force-boosting mechanism, the force-boosting mechanism, comprising: a handle supported on the door by a shaft and having an operation portion at which the handle is held when rotated; a connected portion having a rotation center on a same side of the shaft as the operation portion, connected to the handle at a position between the rotation center and the shaft, and receiving, when the handle is rotated, an operation force on the handle after boosting; and a contact portion arranged on an opposite side of the rotation center of the connecting portion from the connecting portion, rotating together with the connecting portion to receive a rotation force thereof, and arranged to face the periphery of the opening, wherein, upon rotating the handle, the contact portion is pressed against the body so that the door is separated from the periphery of the opening with a predetermined distance. 9. A door opening and closing mechanism in which a door to be attached to a body having an opening is separated from, and made in contact with a periphery of the opening so that the opening is opened and closed, comprising: a handle that is shaft-supported on the door and allowed to pivot, the handle having an operation portion; a crank shaft made of metal, which has a first shaft portion that is placed on a same side as the operation portion with respect to a rotation axis of the handle, and fitted to the handle so as to freely pivot thereon and a second shaft portion that is formed in parallel with the first shaft portion, and supported on the door; a contact portion that is placed on the second shaft portion on a side opposite to the first shaft portion in a manner so as to extend perpendicularly from the second shaft portion, and aligned face to face with the periphery of the opening; and a first stopper with which the first shaft portion that pivots centered on the second shaft portion is made in contact to regulate the pivotal movement of the handle, wherein, when the operation portion is pulled, the contact portion is allowed to press the body so that the door is separated from the periphery of the opening with a predetermined distance. 10. The door opening and closing mechanism according to claim 9, wherein a second stopper with which an end portion of the handle placed on a side opposite to the operation portion with respect to the rotation axis of the handle is made in contact to regulate the pivotal movement of the handle is provided on the door. 11. The door opening and closing mechanism according to claim 9, wherein: the door comprises a recessed portion in which the handle is accommodated, and the first stopper is formed as a hole portion that is formed into an arc shape concentric with the second shaft portion on a wall face of the recessed portion, with the first shaft portion being inserted through the hole portion. 12. The door opening and closing mechanism according to claim 11, wherein a buffer member, which buffers an impact exerted upon contact with the first shaft portion, is attached to the first stopper. 13. The door opening and closing mechanism according to claim 12, wherein the buffer member is attached onto an inner side of the door from a surface of the recessed portion. 14. The door opening and closing mechanism according to claim 9, wherein the first stopper is formed as an inner face of a shaft cover, placed on the door, through which the crank shaft is inserted. 15. The door opening and closing mechanism according to claim 14, wherein a protruding portion, which is made in contact with the first shaft portion, is formed on an inner wall of the shaft cover. 16. A door opening and closing mechanism in which a door to be attached to a body having an opening is separated from, and made in contact with a periphery of the opening so that the opening is opened and closed, comprising: a handle that is shaft-supported on the door and allowed to pivot, the handle having an operation portion; a crank shaft which has a first shaft portion that is placed on a same side as the operation portion with respect to a rotation axis of the handle, and fitted to the handle so as to freely pivot thereon, a second shaft portion that is formed in parallel with the first shaft portion through a connecting portion formed by bending an end portion of the first shaft portion, and supported on the door, and a bent portion that is formed by bending a tip of the second shaft portion in a perpendicular direction toward a side opposite to the first shaft portion; a contact portion that is attached to the bent portion to be integrally formed with the second shaft portion, and placed face to face with the periphery of the opening; a shaft cover that is placed on the door with the crank shaft being inserted therein, and has first and second spaces in which the first and second shaft portions are respectively placed with a width that allows at least one of the connecting portion and the bent portion to be inserted therein, with a fitting section to which the second shaft portion is fitted being formed at an end of the second space by opening the end in a width direction thereof; and a supporting member having a holding portion that is fitted to the second space to be held therein and a shaft supporting portion that supports an opened side of the second shaft portion fitted to the fitting section, wherein, when the operation portion is pulled, the contact portion presses the body so that the door is separated from the periphery of the opening with a predetermined distance. 17. The door opening and closing mechanism according to claim 16, wherein the shaft supporting portion has a cylinder face that is formed along a peripheral face of the second shaft portion. 18. The door opening and closing mechanism according to claim 16, wherein the shaft supporting portion is longer than the holding portion in an axis direction of the second shaft portion. 19. The door opening and closing mechanism according to claim 16, wherein a plurality of ribs with which the supporting member is made in contact so as to be position-determined in an axis direction of the supporting member are placed side by side on an inner wall of the second space in a width direction so as to protrude therefrom. 20. The door opening and closing mechanism according to claim 16, wherein a step difference with which the supporting member is made in contact so as to be position-determined in an axis direction of the supporting member is formed on an inner wall of the second space. 21. The door opening and closing mechanism according to claim 16, wherein a distance between an open end of the second space and the bent portion is set to a value greater than the thickness of the holding portion.

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Door opening and closing mechanism

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Door opening and closing mechanism

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이 특허에 인용된 특허 (10)

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