CN100543599C

CN100543599C - Imaging device

Info

Publication number: CN100543599C
Application number: CNB2006101261451A
Authority: CN
Inventors: 中野宏; 五十岚宏; 加藤笃司
Original assignee: Brother Industries Ltd
Current assignee: Brother Industries Ltd
Priority date: 2005-08-25
Filing date: 2006-08-24
Publication date: 2009-09-23
Anticipated expiration: 2026-08-24
Also published as: JP2007057952A; JP4581913B2; CN1920681A

Abstract

A kind of laser printer removably is provided with travelling belt, is used to support the backing roll of travelling belt, and the tape cell that is provided with tape frame.The unit supports portion that is used to support the supporting part of backing roll is positioned at a side of apparatus main body.The application of force of wind spring allows supporting part that backing roll is pressed in unit supports portion.The image-generating unit that comprises four handle boxes removably is located on the tape cell on band opposite.Tape cell can remove from main body by the dismounting image-generating unit.

Description

Imaging device

The cross reference of related application

It is that 2005-244500 and Japanese patent application No. are that the Japanese patent application No. of applying in 2005-244501 and on September 2nd, 2005 is the right of priority of 2005-254630 that the application requires the Japanese patent application No. of application on August 25th, 2005.All the elements in first to file are combined in herein by reference.

Technical field

The application relates to a kind of imaging device.

Background technology

In the industrial circle of imaging device, now provide the demountable structure of tape cell with travelling belt for example or intermediate transfer band.Previous imaging device comprises the structure that has tape cell, so it can carry out linear slide and dismantle from a side of main body by slide mechanism.By dismantling belt unit from a side, just can be therefrom near belt unit.Be difficult to from the top under the situation of contact belt unit, for example there is large-scale component the tape cell top, perhaps wishes to use imaging device and avoid under the situation of contact zones unit, top, and said structure is favourable.

As the tape cell of said structure, iff removably being set on the main body by this type of unit of slide mechanism linear slide, this unit just requires by fully fixing so that can not depart from the installation site.The mechanism that keeps this unit or slide mechanism can make structure become and complicate greatly.

Summary of the invention

As an aspect of invention, imaging device comprises, main body, this main body are provided with and are opened and closed to cover the lid member of the opening that is formed at sidepiece; Tape cell comprises the endless belt, comprises a plurality of backing rolls of first and second backing rolls that are used to support this band at least and keeps the frame section of this backing roll, and this tape cell is removably mounted in this main body by this opening; With reference to projection, this is arranged at this tape cell with reference to projection, has fixing position relation with this first backing roll; First align member, this first align member is arranged in this main body, and comprise from a side and support this first wall portion with reference to projection, with first abutting part that is arranged on a side that is different from this first wall portion, this first align member is configured to be spent less than 90 by the formed angle of wall of the wall of this first wall portion and this first abutting part; With the afterburning member that is arranged in this main body, this reinforcing member apply power make this with reference to projection and this second backing roll mutually away from move, and should be clipped between this first wall portion and this first abutting part with reference to projection.

Description of drawings

With reference to figure below the above-mentioned aspect of the present invention is made and to be described in detail, wherein:

Fig. 1 is the sectional view that has schematically shown according to laser printer one side structure of one aspect of the invention;

Fig. 2 is a sectional view of the laser printer opened of protecgulum as shown in Figure 1;

Fig. 3 is the partial sectional view of tape cell and periphery;

Fig. 4 is the partial sectional view that explanation is sent to driving force the mechanism of photosensitive drums;

Fig. 5 is the partial sectional view of explanation applied thrust to the mechanism of tape cell;

Fig. 6 A has shown leading section, applies tension mechanism, and the amplification view of the releasing mechanism of tape cell;

Fig. 6 B has shown leading section, applies tension mechanism, and the amplification view of the releasing mechanism of tape cell;

Fig. 7 has shown that image-generating unit removes the sectional view of a side structure of state from body casing;

Fig. 8 has shown the sectional view of tape cell from a side structure of the state of body casing dismounting;

Fig. 9 A is the partial sectional view that shows the tape cell dismounting;

Fig. 9 B is the partial sectional view that shows the tape cell dismounting;

Figure 10 has shown the sectional view of tape cell from a side structure of the state of body casing dismounting;

Figure 11 is the laser printer one side sectional view when closing according on the other hand protecgulum of invention;

Figure 12 is a sectional view of changing into laser printer one side of protecgulum open mode from state shown in Figure 11;

Figure 13 is according to inventing the sectional view that image-generating unit on the other hand is installed in laser printer one side under the state in the body casing;

Figure 14 is a sectional view of changing into laser printer one side of image-generating unit disassembly status from state shown in Figure 13;

Figure 15 A is a leading section, applies the amplification view of the slide block of tensile machine and tape cell;

Figure 15 B is a leading section, applies the amplification view of the slide block of tensile machine and tape cell;

Figure 16 A shows the partial sectional view that applies the laser printer of the leading section of tape cell under the state of tension according to invention on the other hand;

Figure 16 B shows the partial sectional view that discharges the laser printer of the leading section of tape cell under the state of tension according to invention on the other hand;

Figure 17 A shows the partial sectional view that applies the laser printer of the leading section of tape cell under the state of tension according to invention on the other hand;

Figure 17 B shows the partial sectional view that discharges the laser printer of the leading section of tape cell under the state of tension according to invention on the other hand;

Figure 18 A is the partial sectional view with the different band unit that is positioned at the installation site according to a further aspect of the invention; And

Figure 18 B is the partial sectional view that is in the different band unit in the unloading process according to a further aspect of the invention.

Embodiment

As shown in Figure 1, directly quote in-line laser printer and comprise the body casing 2 that is essentially box-shape.But the protecgulum 3 of switch is installed on the front surface (right side of figure) of body casing 2.As shown in Figure 2, handle box 26 or the tape cell 15 in the body casing 2 can be replaced by opening protecgulum 3.Row's paper disc 5 is formed on the upper surface of body casing 2, and the paper 4 after the imaging just piles up on it.

Paper feeding plate 7 is arranged to and can be regained forward, and the paper 4 that uses in the imaging process piles up thereon.To such an extent as in paper feeding plate 7, be provided with the pressboard 9 that the leading edge of paper 4 is mentioned in the work of can fascinating under the power that applies of spring 8.Apply under the power and the pick-up roller 10 of pressure contact and separating pad 11 are arranged at above the front end of paper feeding plate 7 in the spring (not shown).A pair of intake roller 12 turns forward and tiltedly is arranged on pick-up roller 10 tops, and a pair of opposing roller (resist roller) 13 is arranged on this again to intake roller 12 tops.

The uppermost paper 4 that is stacked on the paper feeding plate 7 is pushed pick-up roller 10 by pressboard 9.When pick-up roller 10 rotations,, can separate one by one between pick-up roller 10 and the separating pad 11 and feed-in by paper 4 to such an extent as to being clipped in.With the paper 4 that is clipped in the state institute feed-in between pick-up roller 10 and the separating pad 11 turned in the mode of U-shaped by intake roller 12 and then be sent to the opposing roller 13.Paper 4 is fed into the tape cell 15 at its rear backward at preset time by opposing roller 13.

Tape cell 15 is designed to detachable with respect to body casing 2, and it is provided with the travelling belt 18 of horizontal-extending between a pair of

backing roll

16,17 separated from each other on fore-and-aft direction.This is driven rollers to first backing roll 17 of the back in

backing roll

16 and 17, and by motor (not shown) driven in rotation, front second backing roll 16 is idler rollers, can apply tension force to travelling belt 18.Travelling belt 18 is for example endless belts of making such as polycarbonate of resin material.As shown in Figure 1, when as backing roll 17 driven in rotation of driven roller, travelling belt 18 circulates counterclockwise, therefore places the paper 4 on the travelling belt 18 to be transmitted rearward.Photosensitive drums 31 and four transfer rolls 19 that relatively are located in separately the handle box 26 are arranged with fixed intervals on the longitudinal direction of travelling belt 18 inboards.Therefore travelling belt 18 is clipped between separately the photosensitive drums 31 and corresponding transfer roll 19.In transfer process, transfer bias is applied to respectively between transfer roll 19 and the photosensitive drums 31.The structure of tape cell 15 will be in subsequent descriptions.

Kicker cylinder 21 is located at tape cell 15 belows, is bonded at toner or paper ash on the travelling belt 18 with removing.Kicker cylinder 21 usefulness foamed materials are made, and for example center on the metal shaft member with silicon, with the metal reserve roller 22 that is arranged on respect to travelling belt 18 on the tape cell 15.Predetermined bias voltage is applied between kicker cylinder 21 and the reserve roller 22, to such an extent as to the toner on the travelling belt 18 is by the electric kicker cylinder 21 that is attracted to.Kicker cylinder 21 butt metal recovery rollers 23 are bonded at toner on the kicker cylinder 21 with removal.Reclaim roller 23 butt blade 24 again, this blade 24 can strike off and be bonded at the toner that reclaims on the roller 23.

Four handle boxes 26 are relatively arranged in a longitudinal direction with it above tape cell 15.Correspond respectively to magenta, yellow, the handle box 26 of cyan and black color can be from position, the opposite dismounting of tape cell 15.The scanner section 27 of those handle box 26 tops serves as that the basis will shine corresponding to the laser beam L of each color on corresponding photosensitive drums 31 surfaces by quick scanning with the predetermined image data.

Handle box 26 comprises box framework 30, and the corona-type electrified body 32 of photosensitive drums 31 and box framework 30 belows is removably disposed in the Delevoping cartridge 34 on the box framework 30.Each handle box 26 has the structure with sample except the toner color difference of depositing, and second handle box that begins from the left side is as shown in Figure 1 indicated with a reference number, and remaining reference number will be omitted.

Photosensitive drums 31 forms by applying the formed positive charge photographic layer of polycarbonate, for example centers on the top layer of the metal drum body of ground connection.

Corona-type charger 32 tilts to be arranged on backward photosensitive drums 31 tops, and both can contact with each other relatively and not with predetermined interval like this.Corona-type charger 32 produces corona discharge and positive charge is equably carried out on photosensitive drums 31 whole surfaces by making the charging electric wire such as tungsten.

Delevoping cartridge 34 is essentially box-shape, has the toner container cavity 38 that is positioned at the top, donor rollers 39, developer roll 40 and the layer thickness regulating blade 41 that is located at the bottom.Each toner container cavity 38 is equipped with the toner of non-magnetic single component, this toner by positive charge with respectively as such as yellow, fuchsin, the developer of cyan and black.Each corresponding toner container cavity 38 is provided with stirrer 42 to stir toner.

Donor rollers 39 forms by scribble conductive foams on metal roller shaft.Developer roll 40 forms by scribble conductive rubber material on metal roller shaft.The toner that discharges from toner container cavity 3838 supplies to developer roll 40 and forward triboelectric charging between donor rollers 39 and developer roll 40 along with donor rollers 39 rotations.Be accompanied by the rotation of developer roll 40, the toner that supplies on the developer roll 40 passes through between layer thickness regulating blade 41 and developer roll 40, and further fully triboelectric charging to be carried on the developer roll 40 and formed the uniform thin layer of thickness.

When rotated, photosensitive drums 31 surfaces are by corona-type charger 32 positive charge equably.Then, it is exposed under the quick scanning from sweep test 27 laser beam, with produce with to be formed on paper 4 on the corresponding electrostatic latent image of image.

In case during developer roll 40 rotation, the contact of the toner of the forward that carries on it and relative photosensitive drums 31, so toner just supply be formed on the electrostatic latent image on photosensitive drums 31 surfaces.Correspondingly, it is visual that the electrostatic latent image on the photosensitive drums 31 can become, and in other words, the toner image that is inverted development is brought to the surface of photosensitive drums 31.

When being transmitted when transmitting feedings by the corresponding transfer position between photosensitive drums 31 and the transfer roll 19 with 18 paper that carry 4, negative bias voltage is applied on the transfer roll 19, and photosensitive drums 31 surfaces are gone up entrained toners and are transferred to successively on the paper 4 separately.Transfer printing has the paper 4 of toner image to be fed to fixation unit 43.

Fixation unit 43 places the rear portion of the tape cell 15 of body casing 2, and it has the warm-up mill 44 that includes thermal source, the Halogen lamp LED that for example is driven in rotation and drive and in the face of being provided with and pushing the pressure roll 45 of warm-up mill 44 by rotation.43 pairs of fixation units be entrained in the paper that carries four look toner image 4 between warm-up mill 44 and the pressure roll 45 heat with the toner image photographic fixing on paper 4.The paper 4 of hot photographic fixing is sent to the distributing roller 47 that is positioned at body casing 2 tops by diagonal angle, fixation unit 43 top transfer roller 46 backward.Paper 4 is discharged to paper disc 5 by distributing roller 47 then.

Fig. 3 is the part sectioned view of the periphery seen of tape cell and side.In the tape cell 15, backing roll 17 has been supported on the rear end of the tape frame 50 of left and right sides opposing sidewalls (only in the left side wall displayed map 1, to represent the laser printer of seeing from the front side) by the 17A of the bearing portion rotation of supporting roll shaft 17C.Backing roll 16 is supported on the front end of tape frame 50 by the 16A of the bearing portion rotation of supporting roll shaft 16C.The 17A of bearing portion links to each other with the 17B of roller portion of backing roll 17 on the direction that the turning axle with backing roll 17 intersects.The relative motion that the 17A of bearing portion leaves backing roll 16 causes that the 17B of roller portion of backing roll 17 removes the roller segment 16B of backing roll 16, so that tension force is applied to travelling belt 18.Tension-applying mechanism is with subsequent descriptions.The 17A of bearing portion plays the effect as the reference projection of positioning belt unit 15.

Particularly, tape frame 50 is included in the frame body 50A of rear end carrying backing roll 17 and the slip bearing carrier 50B that is provided with in a longitudinal direction at frame body 50A front end.Slip bearing carrier 50B carries backing roll 16, like this can be with respect to backing roll 17 relative motion in a longitudinal direction of rear end.Travelling belt 18 extends between a pair of

backing roll

16 and 17.

Each of tape frame 50 left and right sides walls is provided with aforementioned even in a longitudinal direction spaced four transfer rolls.Each end of the roll shaft 19A of each transfer roll 19 be inserted in be formed in the sidewall of the left and right sides on the vertical direction, have major diameter through hole with protruding and be rotated support.Each jag that the transfer roll bearing carrier 48 carrying roll shaft 19A that are provided with in the body casing 2 are being mounted thereon.Each transfer roll bearing carrier 48 is made progress by spring 49 compressings respectively, so each transfer roll 19 is pushed travelling belt 18 to corresponding photosensitive drums.

Be installed under the state of (seeing Fig. 1 and 2) in the body casing 2 at tape cell 15, backup rollers 22 are supported in tape cell 15 rotation, and the backup roller is eliminated roller 21 and pushes down by clamping travelling belt 18.Leading section integral body at tape frame 50 is provided with guiding elements 51, and this guiding elements 51 has formed the transfer path that the guiding paper carries out the U-shaped upset from paper feed tray 7.As described below, tape cell 15 integral body can be by remove guiding elements 51 with hand from body casing 2 dismountings.

As illustrated in fig. 1 and 2, the tension-applying mechanism 65 that comprises wind spring 54 is located at the front end of tape cell 15 in the body casing 2.Tension-applying mechanism 65 comprises a pair of lever 55 and 55 (second abutting part) and a pair of

wind spring

54 and 54 of pressing to each

lever

55 and 55, and each

lever

55 and 55 pars intermedia are supported on the rotating shaft 55A laterally being rotated.With reference to figure 1, when laser printer 1 when look in the front, the left side of indication mechanism only.

Each wind spring 54 rear end is fixed on body casing 2 sides, and its front end is connected to the lower end of lever 55 as free end.The elastic force swing of wind spring 54 can be resisted in the top of lever 55.The two pairs of levers 55 and wind spring 54 are configured to clamp the front end of the tape frame 50 that holds.Although disclose two pairs of levers 55 and wind spring 54, its quantity can change as required and can not depart from scope of the present invention

The part of holding tape cell 15 in the body casing 2 is provided with the unit supports

portion

59 and 60 of positioning belt unit 15.Unit supports portion 59 supports a pair of left and right sides supporting part 16A, each supporting part 16A supporting backing roll 16 roll shafts outstanding from the tape frame 50 of tape cell 15 about end.Unit supports portion 59 is corresponding to " the second wall portion " of the present invention.In the content that is disclosed, second align member is made of unit supports portion 59 and lever 55.

Unit supports portion 60 is corresponding to first align member, and it has guiding groove 60A (see figure 1), and this inserts this guiding groove 60A to supporting the supporting part 17A and the 17B that hold about the backing roll 17 roll shaft 17C that protrude in tape frame 50.The supporting part 17A of backing roll 17 is positioned at the lower surface 60B of the guiding groove 60A of unit supports portion 60.In invention, lower surface 60B is corresponding to " first wall portion ".The front surface 60C of the guiding groove 60A of unit supports portion 60 is connected to the supporting part 17A surface on backing roll 16 opposites.In invention, front surface 60C is corresponding to first abutting part.Deep description to unit supports portion 60 structures will be in subsequent descriptions.

With reference to figure 1 and 3, the supporting part 17A of tape cell 15 inserts the guiding groove 60A of unit supports portion 60, and supporting part 16A is positioned on the unit supports portion 59.The rear surface of lever 55 butt supporting part 16A is extended wind spring 54 elastic deformations.The restoring force of wind spring 54 is oppressed backing roll 16 on away from the direction of backing roll 17 (forward direction), so tension force is applied to travelling belt 18.

Structure of the present invention is provided with the

backing roll

17 and 16 that is used to support travelling belt 18.Unit supports portion 60 is located at backing roll 17 sides, and it comprises lower surface 60B and the front surface 60C that is positioned at the another side different with lower surface 60B position from a side support bearing 17A of portion.Unit supports portion 59 and lever 55 that backing roll 16 is being supported in rotation are located at backing roll 16 sides, and backing roll 16 is used as the wind spring 54 of afterburning member and oppresses on the direction that supporting part 17A and backing roll 16 are removed mutually.

Wind spring 54 compressings are so that supporting part 17A pushes backing roll 16 sides with unit supports portion 60.Simultaneously, unit supports portion 60 is constructed with the angle less than 90 degree (for example 70 degree) that a wall by lower surface 60B and front surface 60C forms.Supporting part 17A is clipped between lower surface 60B and the front surface 60C.

Guiding groove 60A has the recess under front end is tilted to, and front surface 60C tilts with respect to the lower surface 60B of level.

In backing roll 16 sides, unit supports portion 59 is supporting backing roll 16 from downside, and lever 55 is supporting backing roll 16 from the opposite side position (from behind) that is different from unit supports portion 59.The angle initialization that is formed by the wall relative wall 59A of lever 55 is less than 90 degree, for example 80 degree.The end face basic horizontal of unit supports portion 59.Lever 55 surfaces of butt supporting part 16A with respect to the end face of unit supports portion 59 with above-mentioned angle tilt.The leading end of the front surface 60C of unit supports portion 60 and the distance between the lever 55 are longer than the distance between supporting part 16A and the 17A.Tape cell 15 is positioned on the vertical and longitudinal direction of body casing 2, and the restoring force by wind spring 54 is applied on the travelling belt 18 tensile force again.

The present invention is configured to, and backing roll 16 is parallel with the wall of lower surface 60B with the formed virtual plane F of 17 turning axle (basic horizontal in the content that is disclosed) by connecting.Front surface 60C has the wall with respect to virtual plane F inclination.Wall 59A is basic parallel with virtual plane F.In the content that is disclosed, the wall of lower surface 60B has the horizontal plane of the wall 59A that is parallel to unit supports portion 59.Wind spring 54 is oppressed the roll shaft 16C of backing roll 16 on the direction of leaving backing roll 17 along wall 59A.

First gear 90 is located at the roll shaft 17C (corresponding to the axle of first backing roll) of backing roll 17, and is provided with second gear 92 that driving force is sent to first gear 90.According to the driving force that is sent to first gear 90 by second gear 92, directly be applied to the roll shaft 17C of backing roll 17 towards the power of backing roll 16.More specifically, the force direction from driving side second gear 92 to driving side first gear 90 (about the active line direction of the tangent line of these rolling circles) is downward-sloping shown in arrow F Fig. 3.The part output of pointing to backing roll 16 produces in the horizontal direction.Pressure angle is set to produce aforesaid power with respect to first and

second gears

90 and 92.

Fig. 4 has shown the mechanism that is used for driving force is delivered to photosensitive drums 31.

With reference to Fig. 4, unit supports

portion

59 and 60 whole settings and constituted the part of the framework 100 of main body jointly.Four driven wheels 102 are supported in framework 100 rotations, and each gear applies driving force to photosensitive drums 31.In other words, the same location of the member of positioning belt unit 15 is used for the driven wheel 102 of photosensitive drums 31.

The driving shaft 31A of photosensitive drums 31 is provided with the driven wheel 104 of acceptance from the driving force of driven wheel 102.First and

second gears

90 and 92 shown in Fig. 3 omit in Fig. 4.

Fig. 5 has shown tape cell 15 and the periphery of seeing from the top thereof.In Fig. 5, guiding elements and axial region have been omitted.

With reference to Fig. 5, the roll shaft 17C of backing roll 17 is provided with first gear 90.Second gear that is used for driving force is delivered to first gear 90 is located at main body side.In the structure that is disclosed, first and

second gears

90 and 92 make cross helical gear.Respond the driving of second gear 92, be applied on first gear 90 along the thrust (arrow F1 direction) of the roll shaft 17C of backing roll 17.

Tape cell 15 is provided with transfer roll 19, and electric power is fed to transfer roll 19 through roll shaft 19A (corresponding to terminal part) from tape cell 15 outsides.The main body that tape cell 15 wherein is housed is provided with exterior terminal portion 95, this exterior terminal portion 95 on the same direction of applied thrust shown in arrow F1, promote roll shaft 19A and with roll shaft 19A electrical couplings.The power that transfer roll 19 receives from exterior terminal portion 95 receives transfer bias simultaneously.Particularly, exterior terminal portion 95 1 ends connect support portion (figure does not show), have terminal 95A to contact with roll shaft 19A at the other end.Except power, terminal 95A also can apply voltage to roll shaft 19A.

In the structure that is disclosed, bring the thrust that applies to a side, make tape cell 15 be pushed against main body by the gear rotation that promotes the exterior terminal portion 95 and first and

second gears

90 and 92 operations.

Release is applied releasing mechanism 70 under the state of tension force with reference to Fig. 6 A and 6B subsequent descriptions by tension-applying mechanism 65 (positioning states).

With reference to accompanying drawing, lever 55 comprises an outstanding protuberance 55B before the mind-set therefrom.The a pair of left and right sides cam 72 that is equivalent to rotate the pressing member that is supported on rotating shaft 71 is arranged at the below (only left cam shows in the drawings) that is positioned at protuberance 55B respectively in a lateral direction.Each cam 72 has a large-diameter portion branch in a side.This is whole respectively and rotatably be provided with trip lever 73 to left and right sides cam 72.More specifically, trip lever 73 is essentially the U-shaped shape, and its both ends directly link to each other indirectly with cam 72 or by gear mechanism etc.

Be the state that lever 55 butt supporting part 16A come travelling belt 18 is applied tension force shown in Fig. 6 A, just tension force applies state.Under this state, before the large-diameter portion of cam 72 divides sensing.When trip lever 73 when aforesaid state turns to counterclockwise, the large-diameter portion of cam 72 divides 72A protuberance 55B from bottom butt lever 55.The tension force of lever 55 opposing tensioning wind springs 54 is pressed to turn to and leaves the supporting part 16A direction of (counterclockwise).

When trip lever 73 continues rotation, with point of greatest diameter P and the protuberance 55B position contacting butt detent 75 of cam 72 integrally rotated detent teats 74 at cam 72 large-diameter portion 72A.Can limit trip lever 73 so further rotates.Lever 55 is removed from supporting part 16A, and remains on the position of the tension force release that applies on the travelling belt 18.Cam 72 and detent 75 effects are as maintaining body releasing mechanism to be remained on release conditions.

The structure that is disclosed has the framework 77 that has four handle boxes 26 in body casing.With reference to Fig. 7, the image-generating unit 78 (tape cell opposite) that is made of framework 77 and those four handle boxes 26 slides along guide rail 78A, and can remove by the opening 2A that is formed on the body casing 2.In order to remove travelling belt 18, protecgulum 3 is opened as shown in Figure 2, image-generating unit 78 withdrawal of sliding as shown in Figure 7.Tape cell 15 tops hold the big great opening in space of image-generating unit 78 passing through opening 2A easily near tape cell 15.

When lever 55 from the positioning states (seeing Fig. 6 A) of its butt supporting part 16A when leaving supporting part 16A, trip lever 73 just forwards release conditions (seeing Fig. 6 B) to.Place with the whole guiding elements 51 that constitute of tape cell 15 and to compare travelling belt 18 more during the position of adjacent openings 2A, guiding elements 51 is clamped the leading section that lifts tape cell 15 with the spatial accommodation to image-generating unit 78.

With reference to Fig. 9 A, being located at the opposite of guiding elements 51 1 sides that are used for tape cell 15 locational is a pair of axle 81 (corresponding pivots), this is supported on axle on the position of the roll shaft 17A (turning axle) that is different from the backing roll 17 on the support portion, a pair of left and right sides 80 be located on the main body (Fig. 1,2 and 5 in omit) (

backing roll

16 and 17 planes of being arranged are downward).The roll shaft 17A that axle 81 is parallel to backing roll 17 extends, and the rear lower of each outer end of 81 is supported on a pair of support portion 80.The main body of equipment means the imaging device part outside the tape cell among the present invention.

With reference to Fig. 9 B, when guiding elements 51 was lifted, tape cell 15 was directed upwards rotating around the axle 81 that is supported on the support portion 80, so the major part of tape cell 15 is directed to the spatial accommodation of image-generating unit 78.Simultaneously, the roll shaft 17C of backing roll 17 and supporting part 17A displacement is upward to outside the guiding groove 60A of unit supports portion 60.Supporting part 17A is positioned the upper end face 100A (seeing Fig. 4 and 9B) that integral body is provided with the framework 100 of unit supporting part 59 and 60.When tape cell was withdrawn under above-mentioned state, it was guided by the upper end face 100A of framework 100, therefore can dismantle from the installation site fully.The tape cell of pulling down is withdrawn from outside main body by opening 2A.

Simultaneously, for mounting strap unit 15 in body casing 2, the rearward end of tape cell 15 is inserted by opening 2A, and the supporting part 17A at the two ends of back backing roll 17 is placed on the upper end face 100A of framework 100 with permission, and inwardly slides up to engaging with the guiding groove 60A of unit supports portion 60.The supporting part 16A at place, preceding backing roll 16 two ends is positioned in the unit supports portion 59.Lever 55 promotes supporting part 16A forward under the power that applies of wind spring 54, therefore enters the tension state that applies that tension force is applied to travelling belt 18.Correspondingly, tape cell 15 steadily is positioned in the body casing 2.

The structure that is disclosed allows the image-generating unit 78 of tape cell 15 tops by opening 2A dismounting, and tape cell 15 can be removed by the spatial accommodation of image-generating unit like this.Can allow dismounting and the installation of tape cell 15 in large space like this, therefore can work well.But mechanism's simple structure of guiding and positioning belt unit 15.

And the supporting part 17A that the roller portion 17B position relation of backing roll 17 is constant stablizes under the situation about being clipped between lower surface 60B and the front surface 60C by backup unit supports portion 60 under synthetic reacting force.Supporting part 17A is pressed against backing roll 16, therefore stably locatees on the direction opposite with

backing roll

16 and 17, reaches by the clamping of the reacting force that pressing force produced stable position on the orthogonal directions in the opposite direction.Correspondingly, backing roll 17 can high precision be positioned the main body of mechanism reliably.

Supporting the unit supports portion 59 of backing roll 16 and supporting the lever 55 of backing roll 16 from a side from the opposite side that is different from above-mentioned side, therefore by the formed angle of wall of the wall 59A of unit supports portion 59 and lever 55 less than 90 degree.Backing roll 16 can be supported from two different directions, thus as backing roll 17 stable position.

The wall that is basically parallel to lower surface 60B by the formed virtual plane F of rotating shaft that connects backing

roll

17 and 16 extends.The wall that the oriented virtual plane of front surface 60C tilts.Shift to slightly or leave under the situation of backing roll 16 at supporting part 17A, its expection is moved along the wall of the lower surface 60B that is parallel to virtual plane F.Correspondingly, 17 of backing rolls in the direction of virtual plane F quadrature on be difficult to displacement.

Under wind spring 54 promoted, power was applied to backing roll 17, to such an extent as to backing roll 17 is removed from backing roll 16.Realizing this structure that travelling belt 18 is applied tension force under can be with better pattern simultaneously, this structure allows to apply the promotion of tension force as the location.

Consistent with the driving force that is delivered to first gear 90 from second gear 92, the power of pointing to backing roll 16 is applied on the roll shaft 17C of backing roll 17.Correspondingly, except the promotion of wind spring 54, the power of coming from gear also applies together.Therefore, the roll shaft 17C of backing roll 17 can stably locate.

Tape cell 15 rotates around axle 81, can therefore make operating personnel's dismantlement work become convenient from the roll shaft 17C of unit supports portion 60 dismounting backing rolls 17 like this.

Second gear 92 is designed at least thrust to be provided for first gear 90 along the roll shaft 17C of backing roll 17.Simultaneously, main body is provided with when promoting the roll shaft 19A of transfer roll 19 with the thrust equidirectional and the exterior terminal portion 95 of roll shaft 19A electrical couplings.The power that applies that thrust that gear transmission by first and

second gears

90 and 92 produces and exterior terminal portion 95 apply can be used for tape cell 15 is pressed to a direction.This just may effectively stop the instability after tape cell 15 is installed.Therefore, entire mechanism stable position highly precisely.In the present invention, transfer roll 19 is equivalent to electric component, and roll shaft 19A is equivalent to terminal part.

When the wall of lower surface 60B was parallel with the wall 59A of unit supports portion 59, backing

roll

17 and 16 was difficult to displacement on the direction of relative direction quadrature, and can be on orthogonal directions stable position highly precisely.But the direction of motion height of retainer belt is accurate like this.

In addition, the supporting part 17A of tape cell 15 engages with the guiding groove 60A of unit supports portion 60, and supporting part 16A is positioned in the unit supports portion 59.Under the state, trip lever 73 rotates and leaves lever 55 with rotating cam 72 like this.This just may realize applying the positioning states that state and simultaneous tape cell 15 are arranged in body casing 2 by the tension force that the lever 55 of pushing supporting part 16A under the power that the applies effect of tensioning wind spring 54 applies tension to travelling belt 18.

When trip lever 73 turned to above-described opposite direction, lever 55 was resisted the applying power of wind spring 54 and is rotated, and the tension force that can discharge together on the travelling belt 18 simultaneously applies state and the positioning states of tape cell 15 in body casing 2 like this.

Unit supports portion 60 is configured such that horizontal bottom surface 60B and the formed angle of front surface 60C are approximately 70 degree, and applies the surface of the lever 55 of supporting part 16A institute butt under the state and the upper surface of horizontal cell support portion 59 is approximately 80 degree at tension force.Tape cell 15 vertically and on the longitudinal direction is positioned in the body casing 2.

In addition, in the releasing mechanism 70, lever 55 is the point of greatest diameter P of butt cam 72 by rotating trip lever 73.Lever 55 turns to the position of leaving supporting part 16A then.Leave at point of greatest diameter P on the position of lever 55, the motion of cam 72 is braked device 75 restrictions and can not be rotated further.This just can keep release to leave supporting part 16A from the lever 55 that tension force applies state and positioning states.Make the installation of tape cell 15 become easy like this.

In the content that is disclosed, the adjustable in length of trip lever 73 makes that be used to discharge the operating load that tension force applies on the required trip lever of state 73 is equal to or slightly less than 1 kilogram, and applies under the state with tension force supporting part 16A is applied that load on the tensioning wind spring 54 of tension force equates or its half.Consider the maximum gauge of cam 72, the length that can set trip lever 73 is for to a certain degree.Said structure has strengthened applying and having to the tension force of travelling belt 18 location of the tape cell 15 of the tensioning wind spring 54 that demonstrates powerful elastic force.Simultaneously, this structure can discharge this state under less relatively operating load.

The two ends of trip lever 73 link to each other with the middle a pair of left and

right sides cam

72,72 that accompanies tape cell 15.Single trip lever 73 operations discharge this simultaneously to left and right

sides releasing structure

70 and 70, have caused high operability.

It shown in Figure 11 and 12 the another kind configuration of existing invention.Identify with same reference marks referring to figs. 1 through the 10 same members of describing, therefore the description to it will be omitted.The aspect that is different from aforementioned institute disclosure is only described.Although pick-up roller 10 is provided in content of the present disclosure really, in Figure 11 and 12, omit.

With reference to Figure 11 and 12, replace trip lever 73, second gear 91 that constituted with a pair of left and right sides cam 72 integrally rotated fan-shaped first gears 90 with by pinion wheel 91A and gear wheel 91B with 90 engagements of first gear is set with can be laterally around the rotating shaft rotation.

The centre accompanies the pair of sliding members 92 of tape cell 15 and is located at longitudinal movement in the body casing 2 above second gear 91.Sliding component 92 has a plurality of gear wheel 91B engagements at the vertical tooth of arranging of lower surface and second gear 91.Sliding component 92 is provided with bayonet lock 92A, and this bayonet lock 92A is inserted into cardinal extremity and rotatably is attached among the slotted hole 93A that forms in the top of the arm 93 on the protecgulum 3.

In the aforementioned structure, with reference to protecgulum 3 closing state shown in Figure 11, the large-diameter portion of cam 72 divides 72A to be positioned to leave the position of lever 55, and the power that applies of tensioning wind spring 54 is applied to supporting part 16A via lever 55, makes this structure enter into the tension force that tension force is applied to travelling belt 18 like this and applies state.

With reference to Figure 12, when protecgulum 3 was opened, sliding component 92 was extracted out forward by the arm 93 of linking protecgulum 3.Gear wheel 91B with second gear 91 of sliding component 92 engagement turns clockwise then.First gear 90 with the pinion wheel 91A of second gear 91 engagement is rotated counterclockwise then.Cam 72 rotates along with above-mentioned rotary manipulation, and lever 55 is divided 72A to move apart supporting part 16A by large-diameter portion like this, applies state and positioning states to discharge tension force simultaneously.

When protecgulum 3 was closed, the operation when operation is opened with protecgulum 3 was opposite.As a result, the tension force of lever 55 butt supporting part 16A applies state and positioning states can recover simultaneously.

As mentioned above, according to the content that is disclosed, the open and close of protecgulum 3 can realize and charge releasing belt unit 15 tension force apply state and positioning states.

The another kind of configuration as Figure 13 of the present invention to shown in the 15B.Member same as described above indicates with identical reference marker, and therefore the description to it will be omitted.Have only the part different to be described with above-mentioned configuration.Although pick-up roller 10 constitutes part of the present invention really, in 15B, omit at Figure 13.

In the content that is disclosed, replace trip lever 73, be provided with and a pair of left and right sides cam 72 integrally rotated fan-shaped first gears 140, and with the engagement of first gear 140, by second gear 141 that pinion wheel 141A and gear wheel 141B constitute, like this can be in a lateral direction around the rotating shaft rotation.

, being respectively equipped with bar-shaped slide block 142 corresponding to a pair of second gear 141 and being used for rotating second gear 141, each slide block 142 tilts to make its front side to be inclined upwardly on the lower surface of image-generating unit 78 fronts.Each slide block 142 has a plurality of gear wheel 141B engagements at the vertical tooth of arranging of lower surface and second gear 141.

Under image-generating unit 78 was contained in state in the body casing 2 of the said structure shown in Figure 13 and 15A, the large-diameter portion of cam 72 divided 72A to be positioned to leave the position of lever 55.The power that applies of tensioning wind spring 54 is applied to supporting part 16A via lever 55, makes structure enter the tension force that travelling belt 18 is applied tension force like this and applies state.

When image-generating unit 78 was extracted out from body casing 2, image-generating unit 78 was guided by the guiding groove (not shown) on the left and right sides inwall that is formed at body casing 2, and can tilt in direction forward simultaneously in the holding position level like this moves up.With reference to Figure 15 B, slide block 142 tilts in forward direction and moves up, and turns clockwise with the gear wheel 141B of second gear 141 of slide block 142 engagements.Be rotated counterclockwise with first gear 140 of the pinion wheel 141A of second gear 141 engagement.Cam 72 rotates along with aforementioned rotation, and lever 55 discharges tension force simultaneously and applies state and positioning states on the position of being divided 72A to move apart supporting part 16A by large-diameter portion like this.Image-generating unit 78 is directed forward with dismounting fully on body casing 2 along guiding groove.(seeing Figure 14)

When imaging unit 78 is inserted in the body casing 2, will carry out the opposite operation of operation of from body casing 2, extracting out with it, apply state and positioning states with the tension force that recovers lever 55 butt supporting part 16A simultaneously.

This configuration can make tape cell 15 be introduced into tension force and apply state and positioning states, and is accompanied by the assembling of image-generating unit 78 and dismounting and discharges.

In addition, another kind of configuration of the present invention is shown in Figure 16 A and 16B.Identical components recited above identifies with same reference numbers, and therefore the description to it will be omitted.The part that only is different from above-mentioned configuration will be described.

Tension-applying mechanism 110 in institute's disclosure is provided with a pair of lever 111 and 111 (corresponding to second abutting part), and its each center longitudinally rotatably is supported on the rotating shaft 111A, and a pair of

tensioning wind spring

54 and 54 promotes lever 111 respectively.

Tensioning wind spring 54 rear ends are fixed on the side of body casing 2, and its front end is connected respectively to the bottom of lever 111 separately as free end.Lever 111 has the upper end that the elastic force of opposing tensioning wind spring 54 can be swung.The two pairs of levers 111 and tensioning wind spring 54 are arranged and are made the front end of tape cell 15 be clipped in this between the lever 111.

L shaped pressure member 112 is located at the rear portion of lever 111.The sweep of pressure member 112 is along laterally rotatably being supported on the rotating shaft 112A.On the relative direction of lever 111 sense of rotation that the power that applies of tensioning wind spring 54 applies (backward), have the lower surface butt lever 111 of the 112B of pressure portion of the spheric end that extends forward at rotating shaft 111A.

With reference to figure 16A, 54 butt supporting part 16A apply tension under the state of travelling belt 18 at the tensioning wind spring, and the direction (clockwise direction shown in the figure) that lever 111 can rotate under the power that the applies effect of tensioning wind spring 54 goes up rotates.Detent 114 is used to stop pressure member 112 to continue to rotate counterclockwise from position shown in the figure.When the upper end of pressure member 112 such when mobile shown in Figure 16 B, lever 111 is owing to the moving of upper end of pressure member 112 is under pressure, and the force direction (illustrated counter clockwise direction) that applies of opposing tensioning wind spring 54 is gone up rotation to remove supporting part 16A.When the upper end of pressure member 112 continues to move forward, the 111B of fluting portion of the 112B of pressure portion butt lever 111 is to accept to come from the power that turns clockwise that wind spring 54 applies power.The continuation rotation of pressure member 112 is braked device 113 restrictions.This just can keep discharging tension force and apply state.

On the contrary, move backward when the upper end of pressure member 112, the 112B of pressure portion moves on on the 111B of fluting portion, and receives the power that is rotated counterclockwise under the power that the applies effect of tensioning wind spring 54.Lever 111 can rotate on tensioning wind spring 54 applies the direction of power, can discharge tensioning state and positioning states simultaneously like this.

Another kind of configuration of the present invention is shown in Figure 17 A and 17B.Identical components recited above identifies with same reference numbers, and therefore the description to it will be omitted.The part that only is different from above-mentioned configuration will be described.

Tension-applying mechanism 120 is provided with a pair of lever 121 and 121 (corresponding to second abutting part), and its each center is along laterally rotatably being supported on the rotating shaft 121A, and a pair of

tensioning wind spring

54 and 54 is oppressed lever 121 respectively.

(0090) rear end part of each tensioning wind spring 54 is fixed on the body casing 2, and its front end is connected as free end on the bottom of lever 121 of each.Lever 121 has the upper end that the elastic force of opposing tensioning wind spring 54 can be swung.The arrangement of the two pairs of levers 121 and tensioning wind spring 54 makes the leading section of tape cell 15 be clipped in this between the lever 121.

L shaped operating lever 122 is positioned at the front portion of lever 121 separately.The bend of each control member 122 transversely rotatably is supported on the rotating shaft 122A.With the power that the applies effect of tensioning wind spring 54 under the relative direction (forward) of direction of lever 121 rotations on, the 122B of pressure portion that goes up to the back-end can be above rotating shaft 121A butt lever 121.

With reference to Figure 17 A, be positioned at the tension force that supporting part 16A in the unit supports portion 59 and tension force is applied to travelling belt 18 at tensioning wind spring 54 butts and apply under the state, lever 121 is rotated to sense of rotation (clockwise) by the power that applies of tensioning wind spring 54.Simultaneously, with reference to figure 17B, when the upper end of operating lever 122 moved forward, supporting part 16A was operated lever 122 and lifts, and the pressure of the 122B of pressure portion that is subjected to of response and rotating in apply on the force direction (counterclockwise) of opposing tensioning wind spring 54.Therefore lever 121 is removed from supporting part 16A.When the top of operating lever 122 continues to move forward, bring on the 122B of the pressure portion butt lever 121 and be received in tensioning wind spring 54 and apply the power that turns clockwise under the power effect.Being rotated further of operating lever 122 can be braked device 123 restrictions.

Apply under the state at the tension force shown in Figure 17 A, allowing to rotate under the power that the applies effect of lever 121 at tensioning wind spring 54 on the low degree very much at the minim gap S between 122B of pressure portion and the lever 121.Simultaneously, under the release conditions shown in Figure 17 B, the state that operating lever 122 is prevented from clockwise rotating under the power that the applies effect of tensioning wind spring 54 just, has kept applying state-transition and next release conditions from tension force.

On the contrary, after tape cell 15 installed, when the supporting part 16A with operating lever 122 engagement is positioned in the unit supports portion 59, the 122B of pressure portion of operating lever 122 moved on to the position near the rotating shaft 121A of lever 121.Lever 121 is allowed to apply under the power effect at tensioning wind spring 54 and rotates on rotation direction.Correspondingly, tension force applies state and positioning states and can realize simultaneously and do not need direct control operating lever 122.

Above-mentioned supporting part 17A is as the reference projection.Yet other parts except that supporting part 17A also can be used as with reference to projection, as long as it has constant position to concern with the roller portion of second backing roll, for example shown in Figure 18 A and the 18B.

This configuration is identical with shown in Fig. 1 to 10 basically, except that to the left and right sides projection 150 on the tape frame 50 of being located at tape cell 15 (projection that only shows a side among the figure).Correspondingly, therefore identical components recited above omits the description to it here with identical reference marker sign.The conduct that is supported in the unit supports portion 60 makes itself and the 17B of roller portion as the backing roll 17 of first backing roll that constant position relation be arranged with reference to the structure of the projection 150 of projection.Unit supports portion 60 comprises that as first wall portion from the lower surface 60B of a side supporting projections 150 with as the front surface 60C of first abutting part, both are arranged to formed angle less than 90 degree.Projection 150 is supported between lower surface 60B and the front surface 60C.

In the structure, projection 150 and backing roll 16 are promoted and remove mutually by wind spring 54, and projection 150 is as a side that unit supports portion 60 is pressed into backing roll 16.

As mentioned above, each the first wall portion and first abutting part have a flat surfaces, are spent less than 90 by its angle that forms.Yet at least one of the first wall portion and first abutting part makes the part bending of its butt with reference to projection.Under this situation, be set at less than 90 with the value of first wall portion and the formed angle of virtual plane that contact with reference to the contact point between the projection and first adjacent portion with reference to contact point between outstanding and spend.

Similarly, at least one of the second wall portion and second abutting part can make near the part bending with reference to projection.Under this situation, approach portion and the value of the formed angle of virtual plane that contacts with reference to contact point between the projection is set at less than 90 degree with the second wall portion with reference to the contact point between the projection and second.

Be used for pilot tape unit 15 and be configured to be provided with the pivot arm member through the guide of the spatial accommodation that holds image-generating unit 78 in main body mechanism, tape cell 15 is guided by arm member like this, and tape cell 15 meshes with the engaging piece that is formed in the arm member simultaneously.In this case, arm member is included in the transversely the first arm member of 15 ends, pilot tape unit, and second arm member of guiding the other end.The most handy joint portion combines first and second arm members, can interrelatedly rotate like this.Aforementioned structure can be stablized pilot tape unit 15 and not setover, and causes more accurate and easier operation.

The existing description of real-time mode that the present invention is a large amount of.However, the spirit and scope that can not depart from invention are carried out various modifications.For example, the tunnel magnetoresistive sensor can be top or bottom tunnel structure, and overhead guard or end cover can be around magnetic resistance heap parcels.According to the application of wanting, the contact guidance layout also can be changed and reduce the guiding resistance.Correspondingly, in following other the real-time mode claim scope below.

At least the first and second backing rolls can be used as the roller of support belt.Except above-mentioned backing roll, also can use the 3rd backing roll.

This structure can be used for the imaging device of intermediate transfer mode, and it is the developer image to be quoted from photoreceptor lead on the intermediate transfer belt.In this case, intermediate transfer belt can be made " endless belt " to be used for the present invention.

Except photoconductive drum unit and tape cell, the unit mechanisms in the imaging device also comprises fixation unit and the emission of lasering beam scanning element to photoconductive drum unit.Can be configured to spatial accommodation dismounting scanning element, or dismantle tape cell by the spatial accommodation of fixation unit by photoconductive drum unit.This can constitute arbitrarily, if with first spatial accommodation that the interior opening of main body side communicates in the first module held can dismantle so that by a part of first spatial accommodation Unit second is taken out from opening at least.As long as a plurality of parts are assembled and integrated based on needed objective function, the unit can constitute arbitrarily.

Claims

1. an imaging device is characterized in that, comprise,

Main body, this main body are provided with and are opened and closed to cover the lid member of the opening that is formed at sidepiece;

Tape cell comprises the endless belt, comprises a plurality of backing rolls of first and second backing rolls that are used to support described band at least and keeps the frame section of described backing roll, and described tape cell is removably mounted in the described main body by described opening;

With reference to projection, this is arranged at described tape cell with reference to projection, has fixing position relation with described first backing roll;

First align member, this first align member is arranged in the described main body, and comprise from the described first wall portion of side support with reference to projection, with first abutting part that is arranged on a side that is different from described first wall portion, described first align member is configured to the formed angle of wall by the wall of described first wall portion and described first abutting part less than 90 degree; With

Be arranged at the afterburning member in the described main body, described afterburning member apply power make described with reference to projection and described second backing roll mutually away from move, and describedly be clipped between described first wall portion and described first abutting part with reference to projection.

2. imaging device as claimed in claim 1 is characterized in that:

Described main body comprises first spatial accommodation that can communicate with described opening and second spatial accommodation that can communicate with described first spatial accommodation at least; And

Removably be installed in image-generating unit in described first spatial accommodation in the described main body by described opening;

Removably be installed in described tape cell in second spatial accommodation in the described main body by described opening,

Described tape cell is disassembled with attached by at least a portion of first spatial accommodation between described second spatial accommodation and the described opening, and described image-generating unit has a plurality of photosensitive drums, described a plurality of photosensitive drums with the direction of the axial quadrature of described photosensitive drums on arrange; With

Guiding elements, this guiding elements slides to guide described image-generating unit along the linear direction perpendicular at least two axles of described a plurality of photosensitive drums.

3. imaging device as claimed in claim 2 is characterized in that, the described supporting part that carries described first backing roll that comprises with reference to projection.

4. imaging device as claimed in claim 3 is characterized in that, further comprises second align member, wherein:

Described second align member comprises the second wall portion that supports described second backing roll from a side, and supports second abutting part of described second backing roll from a side that is different from the described second wall portion; Under the states of the formed angle of wall less than 90 degree by the wall of the described second wall portion and described second abutting part, described second backing roll is supported.

5. imaging device as claimed in claim 4, it is characterized in that, by connecting the wall that the described virtual plane that forms with reference to the rotating shaft of projection and described second backing roll is basically parallel to described first wall portion, and described first abutting part has the wall that tilts to described virtual plane.

6. imaging device as claimed in claim 5 is characterized in that, under the effect of the described power of applying that is applied by described afterburning member, described second backing roll is applied in power on away from described direction with reference to projection.

7. imaging device as claimed in claim 6 is characterized in that,

First gear, this first gear is arranged on the axial region of described first backing roll;

Second gear, this second gear are configured to driving force is delivered to described first gear;

According to driving force, the power of pointing to described second backing roll and described first wall portion is applied to the described axial region of described first backing roll from described second gear transmission to described first gear.

8. imaging device as claimed in claim 1 is characterized in that,

Described tape cell is provided with turning axle, this turning axle is outstanding in an end of the described frame section of described tape cell, this end is the other end for the end of closing on described opening, and is provided with the support portion, and this support portion is arranged on a side of described main body to support described turning axle; With

The end that is positioned at the described opening part of described tape cell drives with being rotated and enters the spatial accommodation that is used for described tape cell, so that describedly move away from described first align member with reference to projection.

9. imaging device as claimed in claim 7 is characterized in that,

Described tape cell comprises the terminal part that can be electrically connected, and is supplied the electric component of electric power from the outside of described tape cell via described terminal part;

Described second gear arrives described first gear along the axial region applied thrust of described at least first backing roll;

Be used to apply on the identical direction of described thrust promote described terminal part in, the exterior terminal portion that is connected electrically to described terminal part is set in the described main body that described tape cell is installed.

10. imaging device as claimed in claim 9 is characterized in that,

The axial region of described second backing roll is supported on the flat surfaces;

Described afterburning member describedly promotes the axial region of described second backing roll along described flat surfaces on reference to the direction of projection leaving;

The wall of described first wall portion is parallel to described flat surfaces.

11. an imaging device is characterized in that, comprises,

Tape cell comprises band, comprises a plurality of backing rolls of first and second backing rolls that are used to support described band at least and keeps the frame section of described backing roll, and described tape cell is removably mounted in the described main body by described opening; Wherein

Described tape cell further is provided with described first backing roll of carrying and comprises that first is attached at described frame section movably and comprises second second bearing carrier with reference to projection with reference to first bearing carrier of projection with respect to described first bearing carrier;

Described main body further is provided with:

First align member, this first align member comprise be mounted with on it described first with reference to the first wall portion of projection and at place, first plane against described first first abutting part with reference to projection, described first plane is relative with reference to projection with described second;

Second align member, this second align member comprise be mounted with on it described second with reference to the second wall portion of projection and at place, second plane against described second second abutting part with reference to projection, described second plane is relative with reference to projection with described first;

Afterburning member, this reinforcing member moves second abutting part of described second align member so that described band application is added tension force; With

Releasing mechanism, this releasing mechanism enter described second abutting part and resist the power that applies of described afterburning member and mobile release conditions when being subjected to operating physical force.

12. imaging device as claimed in claim 11 is characterized in that, described second comprises the supporting part of second backing roll that is placed in contiguous described second bearing carrier with reference to projection.

13. imaging device as claimed in claim 12 is characterized in that, described first comprises the supporting part of described first backing roll that carries described first bearing carrier with reference to projection.

14. imaging device as claimed in claim 12 is characterized in that, described first is arranged at described second position with reference to projection than more close described second bearing carrier of supporting part of described first bearing carrier with reference to projection.

15. imaging device as claimed in claim 14, it is characterized in that, described tape cell is contained in the described main body, and when described releasing mechanism is in positioning states, when just described releasing mechanism was not in described release conditions, the distance between the upper end side of the upper end side of first abutting part of described first align member and second abutting part of described second align member was bigger with reference to the distance between the projection than described first and second.

16. imaging device as claimed in claim 15, it is characterized in that, described tape cell is contained in the main body, and described releasing mechanism is under the positioning states that is not described release conditions, spend less than 90 by described first wall portion and the formed angle of described first abutting part, spend less than 90 by the angle that described second wall portion and described second abutting part form.

17. imaging device as claimed in claim 16 is characterized in that, further comprises the maintaining body that described releasing mechanism is remained on described release conditions.

18. imaging device as claimed in claim 17 is characterized in that:

The power that applies that described second abutting part is resisted described afterburning member is supported on a side of described main body rotationally;

Described maintaining body comprises that the described operating physical force eccentric rotary of response is to push the pressing member of described second abutting part;

When described releasing mechanism was in described release conditions, described pressing member was pushed described second abutting part, and pressing force comprises the component of the described afterburning member restoring force of the rotary component of resisting described second abutting part.

19. imaging device as claimed in claim 18, it is characterized in that, further comprise the response scheduled operation and apply described operating physical force to the trip lever of described releasing mechanism, the operating load that wherein is used to discharge the required described trip lever of described releasing mechanism be equal to or less than by described afterburning member be at described releasing mechanism be applied under the positioning states that is not described release conditions described second bearing carrier described second with reference to half of the load on the projection.

20. imaging device as claimed in claim 18 is characterized in that,

The two ends that paired described second align member and described releasing mechanism are arranged on described tape cell are so that described tape cell is clipped in the middle;

Described releasing mechanism is provided with described trip lever integratedly, and described trip lever applies described operating physical force to the described releasing mechanism of both sides.

21. imaging device as claimed in claim 20, it is characterized in that, the operation of described releasing mechanism is associated with the opening operation of the opening and closing lids member that is set to described main body, and described lid member be described tape cell dismounting and attached the opening and closing.

22. imaging device as claimed in claim 21 is characterized in that,

Comprise and the drum unit of the image-carrier of described band positioned opposite that this drum unit removably is contained in the described main body;

The operation of described releasing mechanism is associated with the dismounting of described drum unit and installation.

23. imaging device as claimed in claim 22 is characterized in that,

Described second abutting part is resisted the side that the power that applies that described afterburning member applies is supported on described main body rotationally;

Described releasing mechanism responds described operating physical force and eccentric rotary, and comprises the operating lever that can push described second abutting part;

When described releasing mechanism was in release conditions, described operating lever was pushed described second abutting part, and pressing force comprises the component of restoring force of the described afterburning member of the rotary component of resisting described second abutting part.