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1. WO2015146268 - FIXING UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME

Publication Number WO/2015/146268
Publication Date 01.10.2015
International Application No. PCT/JP2015/052043
International Filing Date 26.01.2015
IPC
G03G 15/20 2006.1
GPHYSICS
03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
15Apparatus for electrographic processes using a charge pattern
20for fixing, e.g. by using heat
F16C 13/00 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
13Rolls, drums, discs, or the like; Bearings or mountings therefor
F16C 13/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
13Rolls, drums, discs, or the like; Bearings or mountings therefor
02Bearings
F16C 35/07 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
35Rigid support of bearing units; Housings, e.g. caps, covers
04in the case of ball or roller bearings
06Mounting of ball or roller bearings; Fixing them onto shaft or in housing
07Fixing them on the shaft or housing with interposition of an element
CPC
F16C 19/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
19Bearings with rolling contact, for exclusively rotary movement
02with bearing balls essentially of the same size in one or more circular rows
04for radial load mainly
06with a single row or balls
F16C 19/54
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
19Bearings with rolling contact, for exclusively rotary movement
54Systems consisting of a plurality of bearings with rolling friction
F16C 23/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
23Bearings for exclusively rotary movement adjustable for aligning or positioning
06Ball or roller bearings
F16C 23/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
23Bearings for exclusively rotary movement adjustable for aligning or positioning
06Ball or roller bearings
08self-adjusting
F16C 2324/16
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
2324Apparatus used in printing
16Printing machines
F16C 25/06
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
25Bearings for exclusively rotary movement adjustable for wear or play
06Ball or roller bearings
Applicants
  • 京セラドキュメントソリューションズ株式会社 KYOCERA DOCUMENT SOLUTIONS INC. [JP]/[JP]
Inventors
  • 山川 智彦 YAMAKAWA, Tomohiko
Agents
  • 小谷 悦司 KOTANI, Etsuji
Priority Data
2014-06764328.03.2014JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) FIXING UNIT AND IMAGE FORMING APPARATUS INCLUDING SAME
(FR) UNITÉ DE FIXATION ET APPAREIL DE FORMATION D’IMAGE COMPRENANT LADITE UNITÉ DE FIXATION
(JA) 定着装置、およびこれを備えた画像形成装置
Abstract
(EN) A fixing unit (60) includes a housing (60H), a cylindrical rotating body (622), a shaft (621), a heat source (65), a bearing (70), and an annular member (80). The bearing includes an inner ring (701) for supporting the shaft and an outer ring (702) for supporting the inner circumference of the rotating body so as to rotate relative to the inner ring. The annular member is fitted over the shaft in the vicinity of the bearing. The annular member includes an outer circumferential surface (80L) which contacts the inner circumference of the rotating body from inside in the radial direction and a side surface (80R) which contacts the inner ring and the outer ring of the bearing in the axial direction.
(FR) La présente invention concerne une unité de fixation (60) qui comprend un boîtier (60H), un corps rotatif cylindrique (622), un arbre (621), une source de chaleur (65), un palier (70) et un élément annulaire (80). Le palier comprend une bague interne (701) qui supporte l’arbre et une bague externe (702) qui supporte la circonférence interne du corps rotatif afin que ce dernier tourne par rapport à la bague interne. L’élément annulaire est monté sur l’arbre au voisinage du palier. L’élément annulaire comprend une surface circonférentielle externe (80L) qui est en contact avec la circonférence interne du corps rotatif depuis l’intérieur dans la direction radiale et une surface latérale (80R) qui est en contact avec la bague interne et la bague externe du palier dans la direction axiale.
(JA)  定着装置(60)は、ハウジング(60H)と、円筒状の回転体(622)と、軸部(621)と、熱源(65)と、ベアリング(70)と、リング部材(80)とを備える。ベアリングは、前記軸部を支持する内輪部(701)と、回転体の内周部を支持し、前記内輪部に対して相対的に回転する外輪部(702)と、を備える。リング部材は、ベアリングに隣接して軸部に外嵌される。リング部材は、回転体の内周部に径方向内側から当接する外周面(80L)と、ベアリングの内輪部および外輪部に軸方向から当接する側面(80R)とを備える。
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