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公开(公告)号：US10895817B2
公开(公告)日：2021-01-19
申请号：US16698107
申请日：2019-11-27
发明人： Yuichiro Imai , Yasuaki Otoguro , Yuta Okada , Toshiki Momoka , Yoshitaka Otsubo
摘要： An image forming apparatus which includes an optical scanning device, wherein the optical scanning device includes: a holding member configured to integrally hold a first cleaning member and a second cleaning member; a first guide member configured to guide a movement of the holding member; and a second guide member configured to guide a movement of the holding member. A first protruding portion protrudes upward from an upper surface of the holding member and is provided at a position closer to an end portion of the holding member than the first cleaning member, and a second protruding portion protrudes upward from the upper surface of the holding member and is provided at a position closer to an end portion of the holding member than the second cleaning member. The first protruding portion and second protruding portion are provided for bending the holding member.
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公开(公告)号：US10539901B2
公开(公告)日：2020-01-21
申请号：US16001344
申请日：2018-06-06
发明人： Takehiro Ishidate , Yasuaki Otoguro , Yuta Okada , Daisuke Aruga , Hitoshi Iwai , Shinichiro Hosoi , Yuichiro Imai , Toshiki Momoka , Yoshitaka Otsubo , Saimon Gokyu
摘要： A simple structure is provided to move an optical print head toward a photosensitive drum. An image forming apparatus includes an optical print head having a first link portion and a second link portion, a sliding portion configured to move by sliding as to an image forming apparatus main body, and an abutting portion where one end of the optical print head abuts. When the sliding portion moves by sliding, the first link portion and the second link portion pivot as to the sliding portion, with the one end of the optical print head abutting the abutting portion, and the optical print head moves toward the photosensitive drum.
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公开(公告)号：US09927732B2
公开(公告)日：2018-03-27
申请号：US15229086
申请日：2016-08-04
发明人： Yoshitaka Otsubo
CPC分类号： G03G15/04036 , G03G15/04045 , G03G21/1666
摘要： Provided is a light scanning apparatus, including: a light source; a rotary polygon mirror; an optical member guiding a light beam; an optical box on which the light source is mounted and which contains the rotary polygon mirror and the optical member; a cover covering an opening of the optical box; a fixation unit fixing the cover on the optical box; the cover having a dust-proof member which is sandwiched between the cover and a side wall of the optical box; and the dust-proof member including an abutment portion against which the side wall is brought into abutment, and non-abutment portions provided on both sides of the abutment portion and separated from the side wall, and the dust-proof member including a groove in one of the non-abutment portions which is located on a side opposite to another one located on a side where the fixation unit is provided.
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公开(公告)号：US20200271923A1
公开(公告)日：2020-08-27
申请号：US16793315
申请日：2020-02-18
发明人： Yasuaki Otoguro , Toshiki Momoka , Yuichiro Imai , Yuta Okada , Yoshitaka Otsubo
摘要： An optical scanning apparatus includes a light source, a light deflecting unit, an optical member, a casing, a cover member, and a detecting unit. The cover member is provided with a first opening permitting passage of a light beam emitted from the light source, a second opening permitting passage of the light beam deflected by the deflecting unit, and third and fourth openings which are provided in positions on a side opposite from the first and second openings with respect to the deflecting unit. Through the third opening, an outflow of the air from the cover member by rotation of said deflecting unit is relatively high. Through the fourth opening, an inflow of the air into the cover member by rotation of said deflecting unit is relatively high. The detecting unit is provided at a position where the air flow blowing through the third opening hits the detecting unit.
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公开(公告)号：US10466612B2
公开(公告)日：2019-11-05
申请号：US16001359
申请日：2018-06-06
发明人： Yuta Okada , Yasuaki Otoguro , Daisuke Aruga , Hitoshi Iwai , Shinichiro Hosoi , Yuichiro Imai , Toshiki Momoka , Yoshitaka Otsubo , Saimon Gokyu , Takehiro Ishidate
摘要： An image forming apparatus has a holding member that holds a lens array and a circuit board. In the holding member, a portion where a light emission portion is attached, a portion where the lens array is attached, a portion where the circuit board is attached, and a portion where a first link member and a second link member are connected, are integrally molded as a molded resin article.
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公开(公告)号：US10459364B2
公开(公告)日：2019-10-29
申请号：US16001319
申请日：2018-06-06
发明人： Toshiki Momoka , Yasuaki Otoguro , Yuta Okada , Daisuke Aruga , Hitoshi Iwai , Shinichiro Hosoi , Yuichiro Imai , Yoshitaka Otsubo , Saimon Gokyu , Takehiro Ishidate
摘要： An opening, from which a cleaning member is inserted from the outer side of a main body of the image forming apparatus according to the present invention, is provided further toward the front side than an end portion of a front side of a holding member. The opening guides movement of the cleaning member in the direction of insertion as the inserted cleaning member moves toward the downstream side in the direction of insertion, so that downstream-side end portions of engaging portions in the insertion direction engage upstream-side end portions of protruding portions formed on the holding member in the direction of insertion.
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公开(公告)号：US20180364636A1
公开(公告)日：2018-12-20
申请号：US16001732
申请日：2018-06-06
发明人： Yuichiro Imai , Yasuaki Otoguro , Yuta Okada , Daisuke Aruga , Hitoshi Iwai , Shinichiro Hosoi , Toshiki Momoka , Yoshitaka Otsubo , Saimon Gokyu , Takehiro Ishidate
CPC分类号： G03G21/10 , G03G15/04036 , G03G21/00 , G03G21/1666 , G03G2215/0409 , G03G2221/1636
摘要： The length of an abutting pin of an optical print head is decided such that the upper end of the abutting pin when at a cleaning position is on the opposite side of a movement path of a cleaning member, from the upper end of another abutting pin of the optical print head when in an exposure position.
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公开(公告)号：US20180364611A1
公开(公告)日：2018-12-20
申请号：US16001412
申请日：2018-06-06
发明人： Saimon Gokyu , Yasuaki Otoguro , Yuta Okada , Daisuke Aruga , Hitoshi Iwai , Shinichiro Hosoi , Yuichiro Imai , Toshiki Momoka , Yoshitaka Otsubo , Takehiro Ishidate
IPC分类号： G03G15/04
CPC分类号： G03G15/04036 , G03G21/1647 , G03G21/1666 , G03G2221/1654
摘要： An exposing unit includes a holding member, an abutting pin protruding on both sides in the vertical direction at the rear side of the holding member, a second support portion provided further to the rear side than the holding member, and a movement mechanism that causes the holding member to move between an exposure position and a retracted position. The second support portion has a gap formed where the rear side of the holding member moves in the vertical direction, and this gap restricts movement of the holding member in the left-and-right direction. The holding member that is moved from the retracted position toward the exposure position by the movement mechanism is guided by the gap formed in the second support portion so that the abutting pin abuts a fitting portion.
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公开(公告)号：US20200174396A1
公开(公告)日：2020-06-04
申请号：US16697673
申请日：2019-11-27
发明人： Yuta Okada , Yasuaki Otoguro , Yuichiro Imai , Toshiki Momoka , Yoshitaka Otsubo
摘要： Disclosed is an image forming apparatus, including an optical scanning device, wherein the optical scanning device includes: a holding member configured to integrally hold a first cleaning member and a second cleaning member; a first guide member configured to guide a movement of the holding member; a second guide member configured to guide a movement of the holding member; a first groove portion; a second groove portion, and wherein when the holding member moves from end portions of the first guide portion and the second guide portion to an opposite side with respect to a central portion side and a first engaging portion and a second engaging portion of the holding member respectively pass in the first groove portion and the second groove portion, engagements of the first engaging portion and the second engaging portion with the first guide portion and the second guide portion are released.
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公开(公告)号：US20180364610A1
公开(公告)日：2018-12-20
申请号：US16001359
申请日：2018-06-06
发明人： Yuta Okada , Yasuaki Otoguro , Daisuke Aruga , Hitoshi Iwai , Shinichiro Hosoi , Yuichiro Imai , Toshiki Momoka , Yoshitaka Otsubo , Saimon Gokyu , Takehiro Ishidate
IPC分类号： G03G15/04
CPC分类号： G03G15/04036 , G03G15/04054 , G03G21/1666 , G03G21/1671 , G03G2215/0402
摘要： An image forming apparatus has a holding member that holds a lens array and a circuit board. In the holding member, a portion where a light emission portion is attached, a portion where the lens array is attached, a portion where the circuit board is attached, and a portion where a first link member and a second link member are connected, are integrally molded as a molded resin article.
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