JP2013120241A5 - Drive coupling device and image forming apparatus using the same - Google Patents

Drive coupling device and image forming apparatus using the same Download PDF

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Publication number
JP2013120241A5
JP2013120241A5 JP2011267247A JP2011267247A JP2013120241A5 JP 2013120241 A5 JP2013120241 A5 JP 2013120241A5 JP 2011267247 A JP2011267247 A JP 2011267247A JP 2011267247 A JP2011267247 A JP 2011267247A JP 2013120241 A5 JP2013120241 A5 JP 2013120241A5
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Prior art keywords
coupling device
coupling member
concavo
drive coupling
circle
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JP2011267247A
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JP5776526B2 (en
JP2013120241A (en
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Priority claimed from JP2011267247A external-priority patent/JP5776526B2/en
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Publication of JP2013120241A5 publication Critical patent/JP2013120241A5/en
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本発明は、回転体の駆動伝達において接続対象が一意的に決定される駆動カップリング装置と、それを用いた画像形成装置に関する。 The present invention relates to a drive coupling device in which a connection target is uniquely determined in drive transmission of a rotating body, and an image forming apparatus using the drive coupling device.

Claims (3)

第１回転軸の回転中心を第１の円の中心とする円柱状端部の周縁部に凸部を突出させて凹凸形状とした第１カップリング部材と、
第２回転軸の回転中心を第２の円の中心とする円柱状端部の周縁部に凸部を突出させて凹凸形状とし、前記第１カップリング部材と互いに対面して嵌合する第２カップリング部材を備え、
前記第１カップリング部材は、
前記周縁部を、円周と、所定距離内側の同心円と、所定角度の中心角となるよう前記第１の円を等分割したときの２本の半径と、で区画される部位を単位部位とし、該単位部位を突出させて凸部とする場合を０と定義し、前記単位部位を突出させない場合を１と定義したとき前記周縁部の一周が１又は０の擬似乱数の周期的な凹凸形状となるように形成され、
前記第２カップリング部材は、
前記周縁部を、前記第１カップリング部材の前記周期的な凹凸形状と対応した凸凹形状に形成されている、
ことを特徴とする駆動カップリング装置。 A first coupling member having a concavo-convex shape by projecting a convex portion to a peripheral edge portion of a cylindrical end portion having a rotation center of a first rotation axis as a center of a first circle;
A convex part is projected from the peripheral edge of the cylindrical end part having the rotation center of the second rotation axis as the center of the second circle to form a concavo-convex shape. A coupling member,
The first coupling member is
A unit section is defined as a region defined by the periphery, a concentric circle on the inner side of a predetermined distance, and two radii when the first circle is equally divided to have a central angle of a predetermined angle. When the unit part is protruded to be a convex part, it is defined as 0, and when the unit part is not protruded is defined as 1, the circumference of the peripheral part is 1 or 0. Formed to be
The second coupling member is
The peripheral edge is formed in a concavo-convex shape corresponding to the periodic concavo-convex shape of the first coupling member,
A drive coupling device characterized by that. 前記擬似乱数は、Ｍ系列の擬似乱数である、ことを特徴とする請求項１記載の駆動カップリング装置。   The drive coupling device according to claim 1, wherein the pseudo-random number is an M-sequence pseudo-random number. 伝動部が分離可能な機構において、請求項１または２に記載の駆動カップリング装置を用いている、In the mechanism in which the transmission part is separable, the drive coupling device according to claim 1 or 2 is used.
ことを特徴とする画像形成装置。An image forming apparatus.
JP2011267247A 2011-12-06 2011-12-06 Drive coupling device and image forming apparatus using the same Expired - Fee Related JP5776526B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011267247A JP5776526B2 (en) 2011-12-06 2011-12-06 Drive coupling device and image forming apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011267247A JP5776526B2 (en) 2011-12-06 2011-12-06 Drive coupling device and image forming apparatus using the same

Publications (3)

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JP2013120241A JP2013120241A (en) 2013-06-17
JP2013120241A5 true JP2013120241A5 (en) 2014-08-07
JP5776526B2 JP5776526B2 (en) 2015-09-09

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JP2011267247A Expired - Fee Related JP5776526B2 (en) 2011-12-06 2011-12-06 Drive coupling device and image forming apparatus using the same

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112878410B (en) * 2021-01-18 2022-12-06 国网辽宁省电力有限公司葫芦岛供电公司 Shaft end structure of drive shaft easy to assemble location
JP2023173755A (en) 2022-05-26 2023-12-07 富士フイルムビジネスイノベーション株式会社 Power transmission member, transfer device and image formation apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0527765U (en) * 1991-09-13 1993-04-09 株式会社リコー Development unit driving device for image forming apparatus
JP2001013830A (en) * 1999-06-28 2001-01-19 Sharp Corp Image forming device
JP3705111B2 (en) * 2000-10-19 2005-10-12 セイコーエプソン株式会社 Image forming apparatus
JP2004145076A (en) * 2002-10-25 2004-05-20 Ricoh Co Ltd Drive transmission mechanism
JP4274541B2 (en) * 2003-10-01 2009-06-10 京セラミタ株式会社 Image forming apparatus
JP4993701B2 (en) * 2007-03-12 2012-08-08 株式会社リコー Image forming apparatus
JP5007606B2 (en) * 2007-06-13 2012-08-22 カシオ電子工業株式会社 Image forming position adjusting method and image forming apparatus having the same

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