Patent application number | Description | Published |
20080205937 | IMAGE DEVELOPER, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - An image developer, including a rotatable developer bearer; a rotatable developer feeding member contacting the developer bearer; a developer container located above the developer feeding member, wherein the developer container includes a pressure reducing member configured to reduce a pressure applied to the developer feeding member; and a first stirring bar located directly below the pressure reducing member and configured to stir a developer such that a gap between an end of the pressure reducing member and an outer diameter of the stirring bar is 6 mm. | 08-28-2008 |
20100003055 | POWDER CONVEYANCE DEVICE - A powder conveyance device includes a powder conveyance pipe having a first conveyance section communicating with the powder container section and having a supply inlet to receive powder from a powder container. A second conveyance section is provided in the powder conveyance pipe to communicate downstream with the first conveyance section via a first bending section. The second conveyance section downwardly extends to the conveyance destination being inclined from a horizontal at a larger angle than the first conveyance section. A third conveyance section is also provided in the powder conveyance pipe to communicate downstream with the second conveyance section via a second bending section. The third conveyance section extends toward the conveyance destination being inclined from the horizontal at a smaller angle than the second conveyance section. The third conveyance section has a replenishment outlet for replenishing the powder from the powder conveyance pipe to the powder conveyance destination. A space restriction member is provided and is at least arranged in the second conveyance section and partially closes an inner space of the second conveyance section. | 01-07-2010 |
20100034557 | Process cartridge and image forming apparatus employing same - A process cartridge detachably attached to an image forming apparatus includes a first subunit, a second subunit, a first positioning member, and a second positioning member. The first subunit accommodates a photoconductor therein. The second subunit accommodates a developer applicator therein. The photoconductor and the developer applicator are arranged substantially parallel to each other to define a development gap therebetween. The first positioning member is fastened to both the first and second subunits to position ends of the photoconductor and the developer applicator on a first side of the respective subunits. The second positioning member is fastened to only one of the first and second subunits to position ends of the photoconductor and the developer applicator on a second side of the respective subunits opposite to the first side. An image forming apparatus employing such a process cartridge is also disclosed. | 02-11-2010 |
20100111572 | DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A development device includes a screw conveyer to convey powder contained in a development casing in a direction along a shaft of the screw conveyer, a bearing in which the screw conveyer is inserted, a cylindrical member provided around the screw conveyer and disposed between the screw conveyer and the bearing, the cylindrical member including a flange portion that projects from the cylindrical member toward an outside diameter of the shaft of the screw conveyer, and a powder pressure disperser to reduce pressure of the powder transported by the screw conveyer provided upstream from the flange portion in a direction in which the screw conveyer conveys the toner, the powder pressure disperser provided around and extending outward in directions perpendicular to the shaft of the screw conveyer and having an outer diameter larger than an outer diameter of the flange portion. | 05-06-2010 |
20100129118 | POWDER SUPPLYING DEVICE AND IMAGE FORMING APPARATUS - A powder supplying device includes a powder container frame, a powder container detachably installable in the powder container frame horizontally and including a container body in which a discharge port through which powder is discharged from the container body is formed, a shutter member attached to the container body to open and close the discharge port by moving along the container body in a direction in which the powder container is installed, and at least one shutter control member movably attached to the powder container frame. The shutter control member opens and closes the shutter member by moving together with the powder container as the powder container is fitted into and pulled out from the powder container frame. | 05-27-2010 |
20110058857 | TONER CONTAINER, IMAGE FORMING APPARATUS INCLUDING SAME, AND CONNECTING STRUCTURE FOR CONNECTING TONER CONTAINER AND IMAGE FORMING APPARATUS - A toner container includes a cylindrical container body, a cap having a toner outlet, and a shutter. The cap includes a primary positioning primary positioning hole, formed in a top front surface perpendicular to a longitudinal direction of the toner container, extending in the longitudinal direction, to determine an installation position of the cap relative to the image forming apparatus, a secondary positioning hole, formed in a bottom front surface perpendicular to the longitudinal direction of the toner container, extending in the longitudinal direction forward the toner outlet, to subsidiary determine the installation position of the cap, and a first restriction member to position the cap in a horizontal direction perpendicular to the longitudinal direction, projecting vertically upward from an outer circumferential surface of the cap and symmetrical about a virtual perpendicular line passing through a cross-sectional center position of the primary positioning hole perpendicular to the longitudinal direction. | 03-10-2011 |
20140093267 | IMAGE FORMING APPARATUS AND IMAGE FORMING PROGRAM - There is provided an image forming apparatus including: a formation unit that forms an image using a color material, on a medium; a fusing unit that fixes the image formed on the medium; and a control unit that controls to perform both of a first fusing and a second fusing on the medium, wherein the first fusing is a fixation in which a first image is formed by using a color material with a metallic color and the first image foamed is fixed, the second fusing is a fixation in which a second image is formed by using a color material with another color than the metallic color and the second image formed is fixed, and the first image and the second image are overlapped. | 04-03-2014 |
20140119780 | TONER CONTAINER, IMAGE FORMING APPARATUS INCLUDING SAME, AND CONNECTING STRUCTURE FOR CONNECTING TONER CONTAINER AND IMAGE FORMING APPARATUS - A toner container includes a cylindrical container body, a cap having a toner outlet, and a shutter. The cap includes a primary positioning primary positioning hole, formed in a top front surface perpendicular to a longitudinal direction of the toner container, extending in the longitudinal direction, to determine an installation position of the cap relative to the image forming apparatus, a secondary positioning hole, formed in a bottom front surface perpendicular to the longitudinal direction of the toner container, extending in the longitudinal direction forward the toner outlet, to subsidiary determine the installation position of the cap, and a first restriction member to position the cap in a horizontal direction perpendicular to the longitudinal direction, projecting vertically upward from an outer circumferential surface of the cap and symmetrical about a virtual perpendicular line passing through a cross-sectional center position of the primary positioning hole perpendicular to the longitudinal direction. | 05-01-2014 |
20140119798 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND COMPUTER READABLE MEDIUM - An image forming apparatus includes: a forming unit that forms an image on a medium; a fixing unit that fixes the formed image; and a control unit that performs control such that the forming unit forms a base image and the fixing unit fixes the base image, changes settings of the forming unit and the fixing unit after the fixing of base image, and performs control such that the forming unit forms an uneven pattern image so as to be superimposed on the base image and the fixing unit fixes the uneven pattern image. | 05-01-2014 |
20150069988 | DC-DC CONVERTER AND SEMICONDUCTOR INTEGRATED CIRCUIT - The DC-DC converter includes a mask controlling circuit that outputs an overcurrent detection mask signal that prescribes a mask period in which the overcurrent detection result signal is masked. The DC-DC converter includes a mask adjusting circuit that adjusts a length of the mask period according to the power supply voltage. The DC-DC converter includes an operation circuit that performs an operation of the overcurrent detection result signal and the overcurrent detection mask signal and outputs an overcurrent controlling signal with the overcurrent detection result signal being masked in the mask period. | 03-12-2015 |
Patent application number | Description | Published |
20090047036 | DEVELOPING DEVICE AND PROCESS CARTRIDGE USED IN IMAGE FORMING APPARATUS - The invention provides a developing device, a process cartridge and an image forming apparatus that allow preventing abrupt variations in toner charge on a developing roller, caused by intrusion, into a nip, of toner accumulated above a regulating member of the developing device. A developing device using a one-component developer includes: a supply roller to which one-component developer is replenished, by natural motion, from a developer storing section. The bottom of the developing device is of a size that allows the supply roller to rotate. The developing device further comprises a filling member for filling a space above the regulating member, in order to prevent the toner located above the regulating member from intruding into a nip formed between the supply roller and a developing roller. | 02-19-2009 |
20100003058 | DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A developer carrier is provided in a rotatable manner. A layer-thickness control member makes a layer thickness of a developer carried on the developer carrier uniform. An accelerated agglomeration degree of the developer is equal to or less than 40%. The layer-thickness control member is formed with a blade. An angle between a rolling direction of the blade and a rotating direction of the developer carrier is set to 5 degrees to 80 degrees. | 01-07-2010 |
20110222871 | TONER REPLENISHING DEVICE AND IMAGE FORMING APPARATUS INCLUDING TONER REPLENISHING DEVICE - A toner replenishing device includes a sub hopper (toner container), a toner detection sensor, an agitator, and a paddle. The sub hopper contains toner. The toner detection sensor is located on a wall surface in the sub hopper and detects whether toner remains at a height at which it is located. The agitator rotates in the sub hopper to clean the detection surface of the toner detection sensor. The paddle serves as a toner collecting unit that collects toner to the vicinity of the detection surface of the toner detection sensor in the sub hopper. | 09-15-2011 |
20120033998 | TONER SUPPLY ASSEMBLY AND IMAGE FORMING APPARATUS INCORPORATING SAME - A toner supply assembly includes a toner container mount and a toner container including a container body, a cap having a toner outlet, and a shutter for the toner outlet, to move horizontally. The cap includes a shutter guide rail, a contact portion, and a pressed rail provided on a lateral side. The shutter includes a shutter body to engage the shutter guide rail and a deformable portion deformable vertically and including a stopper to contact the contact portion of the cap for inhibiting the shutter from opening the toner outlet, and a stopper release projection pressed by a bottom projection on a bottom surface of the toner container mount in conjunction with installation of the toner container. A pressing member provided in a side portion of the toner container mount engages the pressed rail of the cap, inhibiting the cap from moving upward. | 02-09-2012 |
20120163877 | TONER CONTAINER AND IMAGE FORMING APPARATUS WITH A SECURE SEAL - A toner container which includes a main body for storing toner, an opening for dispensing toner, and a mechanism for sealing the opening. The mechanism for sealing the opening includes a slidable shutter which includes a cover and an extension, connected to the cover part, including a pushing surface and a blocking surface. The mechanism for sealing further includes a restriction which contacts the blocking surface to prevent the slidable shutter from sliding. | 06-28-2012 |
20120195645 | TONER CONTAINER AND IMAGE FORMING DEVICE - A system with a container including a protrusion, and a receiver to receive the container. The receiver includes a slide block that is movable relative to a body of the receiver, the slide block including two surfaces, a first surface, initially contacted by the protrusion of the container during insertion of the container into the receiver, having a first slope to resist movement of the container towards the receiver, and a second surface, subsequently contacted by the protrusion of the container during the insertion of the container into the receiver, having a second slope to interact with the protrusion of the container to assist movement of the container towards the receiver. This construction provides the user with a changing insertion force to indicate proper mounting of the container. | 08-02-2012 |
20120207492 | DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS INCORPORATING SAME - A development device includes a developer container for containing developer, a developer bearer to carry by rotation the developer contained in the developer container to a development range facing a latent image bearer, a partition dividing the developer container into an upper compartment and a lower compartment arranged vertically, an upper developer conveyance member disposed in the upper compartment, a lower developer conveyance member disposed in the lower compartment, a communication portion through which the developer moves from the lower compartment to the upper compartment, disposed in a downstream end portion of the lower compartment in a direction in which the lower developer conveyance member transports the developer, and a toner concentration detector to detect a concentration of toner in the developer beneath the communication portion inside the lower compartment. | 08-16-2012 |
20120219330 | TONER CONTAINER AND IMAGE FORMING APPARATUS WITH A MECHANISM TO SECURE THE TONER CONTAINER - A toner container and system for mounting and/or securing the toner container includes a toner container having a toner dispensing hole, a shutter, and a protrusion. The shutter is movable relative to the toner dispensing hole, and is to selectively close the toner dispensing hole. The protrusion is connected to the shutter and movement of the protrusion causes the shutter to move relative to the toner dispensing hole to cover the toner dispensing hole. There is a receiver including a movable catch, the movable catch being in a first position when the toner container is initially inserted into the receiver, and the movable catch moving to a second position upon insertion of the toner container into the receiver. The movable catch interacts with the protrusion of the toner container when the toner container is being removed from the receiver. | 08-30-2012 |
20120321341 | TONER CONTAINER AND IMAGE FORMING APPARATUS - A toner container that is detachably attached to a main body of an image forming apparatus such that a longitudinal direction of the toner container is parallel to a horizontal direction includes: a cylindrical container body that has an opening on one end thereof in the longitudinal direction, and is configured to convey toner contained therein toward the opening; a cap portion into which the opening of the container body is inserted, and which includes a toner outlet at a bottom portion thereof for discharging toner discharged from the opening of the container body to the outside of the toner container in a vertically downward direction; and a shutter member that is held on the bottom portion of the cap portion, and moves along an outer periphery of the cap portion to thereby open and close the toner outlet, wherein the cap portion is formed by integral molding. | 12-20-2012 |
20130045029 | DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING SAME - A development device includes a development casing, a developer bearer, a first developer conveyance member to supply developer to the developer bearer, a second developer conveyance member to transport developer axially, and a partition dividing an interior of the development casing into a supply channel and a collecting channel via which developer received from a downstream end portion of the supply channel is forwarded to an upstream end portion of the supply channel. The supply channel includes a conveyance area and a buffer area disposed adjacent to the conveyance area in a direction perpendicular to an axial direction to temporarily retain developer and midway in the developer conveyance direction inside the supply channel, and an upstream end face defining an upstream end of the buffer area is inclined relative to the axial direction to draw away from the conveyance area downstream in the developer conveyance direction. | 02-21-2013 |
20130064570 | PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS - A process cartridge installed in a body of an image forming apparatus includes an image bearer, a development device that includes a developer bearer, a rotary developer conveyance member, and a shaft projecting from a development casing in an axial direction, a gear train including an idler gear provided to the shaft projecting from the development casing, a first side plate, and a hollow shaft projecting in the axial direction from the first side plate. The first side plate includes an image bearer positioning portion and a developer bearer positioning portion to support axial end portions of the developer bearer and the image bearer, the shaft projecting from the development casing is inserted into a recess inside the hollow shaft, and the hollow shaft is inserted into a hollow shaft positioning hole formed in the body. | 03-14-2013 |
20130243478 | PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING SAME - A process cartridge detachably installable in an image forming apparatus including a first sub-unit to hold an image carrier, a second sub-unit to hold a developer bearing member, a first positioning member to position first ends of the image carrier and the developer bearing member in a longitudinal direction, respectively, and a second positioning member to position second ends of the image carrier and the developer bearing member opposite the first ends in the longitudinal direction, respectively. The second sub-unit has a protruding portion protruding outward to a first end of the second sub-unit beyond the first positioning member in the longitudinal direction. An opposing surface of the protruding portion provided to face the first positioning member is dimensioned to conform to a cross-section of the first positioning member perpendicular to the longitudinal direction. | 09-19-2013 |
20140043625 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - An image processing apparatus includes a color material layer forming unit and a proportion controller. The color material layer forming unit forms on a printing medium a first metallic color material layer including a color material having metallic particles, one or more process color material layers including color materials of one or more process colors, and a second metallic color material layer including a color material having metallic particles so that the first metallic color material layer, the one or more process color material layers, and the second metallic color material layer are stacked on the printing medium in this order. The proportion controller executes first control to increase a proportion of the second metallic color material layer with respect to the first metallic color material layer when a total amount of the color materials of the one or more process colors exceeds a predetermined value. | 02-13-2014 |
20140064794 | DEVELOPER CONTAINER, DEVELOPER REPLENISHING DEVICE, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS USING SAME - A developer container removably installable in an apparatus body of an image forming apparatus includes a container body to contain developer, a cap connectable to the container body, the cap including a supply opening, and a flange projecting beyond an outer circumferential surface of the cap in a radial direction extending from a center of a cross section of the container body. The flange is formed along a circumference of the container body and provided between the container body and the cap. | 03-06-2014 |
20140294435 | TONER CONTAINER AND IMAGE FORMING APPARATUS WITH A MECHANISM TO SECURE THE TONER CONTAINER - A toner container and system for mounting and/or securing the toner container includes a toner container having a toner dispensing hole, a shutter, a protrusion. The shutter is movable relative to the toner dispensing hole, and is to selectively close the toner dispensing hole. The protrusion is connected to the shutter and movement of the protrusion causes the shutter to move relative to the toner dispensing hole to cover the toner dispensing hole. There is a receiver including a movable catch, the movable catch being in a first position when the toner container is initially inserted into the receiver, and the moveable catch moving to a second position upon insertion of the toner container into the receiver. The moveable catch interacts with the protrusion of the toner container when the toner container is being removed from the receiver such that the moveable catch in the second position restricts movement of the protrusion of the toner container which closes the shutter as the toner container is withdrawn from the receiver. | 10-02-2014 |
20140376970 | DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS INCLUDING SAME - A development device includes a development casing, a developer bearer, a first developer conveyance member to supply developer to the developer bearer, a second developer conveyance member to transport developer axially, and a partition dividing an interior of the development casing into a supply channel and a collecting channel via which developer received from a downstream end portion of the supply channel is forwarded to an upstream end portion of the supply channel. The supply channel includes a conveyance area and a buffer area disposed adjacent to the conveyance area in a direction perpendicular to an axial direction to temporarily retain developer and midway in the developer conveyance direction inside the supply channel, and an upstream end face defining an upstream end of the buffer area is inclined relative to the axial direction to draw away from the conveyance area downstream in the developer conveyance direction. | 12-25-2014 |
20150037050 | REMOVABLE DEVICE AND IMAGE FORMING APPARATUS - A removable device is removably attachable to an image forming apparatus main body. The removable device includes an information storage device, a holder, and a low frictional structure. The information storage device includes: an information storage unit that stores information to be communicated between the apparatus main body and the removable device; a terminal to be contacted with an apparatus main-body terminal, for communicating information with the apparatus main body; and a substrate that holds the information storage unit and the terminal and that includes a guide to be fitted to a protrusion provided on the apparatus main body. The holder holds the substrate such that the substrate can move, when the removable device approaches the apparatus main-body terminal, on a virtual plane intersecting with a moving direction of the removable device. The low frictional structure is arranged on a contact area between the substrate and the holder. | 02-05-2015 |
20150043946 | TONER CONTAINER AND IMAGE FORMING APPARATUS - A system with a container including a protrusion, and a receiver to receive the container. The receiver includes a slide block that is movable relative to a body of the receiver, the slide block including two surfaces, a first surface, initially contacted by the protrusion of the container during insertion of the container into the receiver, having a first slope to resist movement of the container towards the receiver, and a second surface, subsequently contacted by the protrusion of the container during the insertion of the container into the receiver, having a second slope to interact with the protrusion of the container to assist movement of the container towards the receiver. This construction provides the user with a changing insertion force to indicate proper mounting of the container. | 02-12-2015 |
20150126029 | DRY FILM PHOTORESIST, MANUFACTURING METHOD OF DRY FILM PHOTORESIST, METAL PATTERN FORMING METHOD AND ELECTRONIC COMPONENT - There is provided a dry film photoresist including a substrate layer constituted by a certain substrate, a resist layer disposed over the substrate layer, the resist layer including a plurality of layers, and a protective film layer disposed over the resist layer, the protective film layer protecting the resist layer. A photosensitive layer is positioned on a side of the substrate layer of the resist layer, the photosensitive layer having a dissolution rate to a certain developer that decreases by being exposed to light, and a non-photosensitive layer is positioned on a side of the protective film layer of the resist layer, the non-photosensitive layer being soluble to the developer. A dissolution rate of the non-photosensitive layer to the developer is higher than a dissolution rate of an unexposed portion in the photosensitive layer to the developer. | 05-07-2015 |
20150147096 | TONER CONTAINER AND IMAGE FORMING APPARATUS - A toner container that is detachably attached to a main body of an image forming apparatus such that a longitudinal direction of the toner container is parallel to a horizontal direction includes: a cylindrical container body that has an opening on one end thereof in the longitudinal direction, and is configured to convey toner contained therein toward the opening; a cap portion into which the opening of the container body is inserted, and which includes a toner outlet at a bottom portion thereof for discharging toner discharged from the opening of the container body to the outside of the toner container in a vertically downward direction; and a shutter member that is held on the bottom portion of the cap portion, and moves along an outer periphery of the cap portion to thereby open and close the toner outlet, wherein the cap portion is formed by integral molding. | 05-28-2015 |
20150234318 | DEVELOPER CONTAINER, DEVELOPER REPLENISHING DEVICE, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS USING SAME - A developer container removably installable in an apparatus body of an image forming apparatus includes a container body to contain developer, a cap connectable to the container body, the cap including a supply opening, and a flange projecting beyond an outer circumferential surface of the cap in a radial direction extending from a center of a cross section of the container body. The flange is formed along a circumference of the container body and provided between the container body and the cap. | 08-20-2015 |
20150331363 | TONER CONTAINER AND IMAGE FORMING DEVICE In Which The Toner Container Has Protrusions Which Interact With The Image Forming Apparatus - A system with a container including a protrusion, and a receiver to receive the container. The receiver includes a slide block that is movable relative to a body of the receiver, the slide block including two surfaces, a first surface, initially contacted by the protrusion of the container during insertion of the container into the receiver, having a first slope to resist movement of the container towards the receiver, and a second surface, subsequently contacted by the protrusion of the container during the insertion of the container into the receiver, having a second slope to interact with the protrusion of the container to assist movement of the container towards the receiver. This construction provides the user with a changing insertion force to indicate proper mounting of the container. | 11-19-2015 |
20150355578 | TONER CONTAINER AND IMAGE FORMING APPARATUS WITH A MECHANISM TO SECURE THE TONER CONTAINER - A toner container and system for mounting and/or securing the toner container includes a toner container having a toner dispensing hole, a shutter, a protrusion. The shutter is movable relative to the toner dispensing hole, and is to selectively close the toner dispensing hole. The protrusion is connected to the shutter and movement of the protrusion causes the shutter to move relative to the toner dispensing hole to cover the toner dispensing hole. There is a receiver including a movable catch, the movable catch being in a first position when the toner container is initially inserted into the receiver, and the movable catch moving to a second position upon insertion of the toner container into the receiver. The movable catch interacts with the protrusion of the toner container when the toner container is being removed from the receiver such that the movable catch in the second position restricts movement of the protrusion of the toner container which closes the shutter as the toner container is withdrawn from the receiver. | 12-10-2015 |
20160041498 | POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A powder supply device to supply powder to a supply destination includes a body, a single holder including multiple mounts on which multiple powder containers are removably mounted respectively, and a reservoir disposed in the body and below the single holder to store powder discharged from the multiple powder containers; and the single holder is removably attachable to the body of the powder supply device including the reservoir. | 02-11-2016 |
20160070208 | DEVELOPING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - A developing unit includes a developer bearer to bear developer on a surface thereof, first and second developer conveyors each having a spiral blade mounted on a rotary shaft thereof parallel to a rotary axis of the developer bearer to convey developer in opposite directions to each other. A developer drain hole is provided at a given height in a side wall of a second developer conveyance channel to face a communication opening across the second developer conveyor. The first developer conveyor rotates in a direction with its spiral blade rising between the rotary shaft of the first developer conveyor and the communication opening. Rotational phases of the first developer conveyor and the second developer conveyor are fixed and synchronized with each other to weaken momentum of developer flow generated by the first developer conveyor toward the developer drain hole via the second developer conveyor. | 03-10-2016 |
20160124346 | NOZZLE RECEIVER, POWDER CONTAINER, AND IMAGE FORMING APPARATUS - A nozzle receiver is to be arranged in a powder container used in an image forming apparatus. The nozzle receiver includes a nozzle receiving opening, in which a conveying nozzle for conveying powder supplied from the powder container is inserted in the image forming apparatus; an opening/closing member to open and to close the nozzle receiving opening; and a supporter to support the opening/closing member. The opening/closing member includes a sealing portion to seal the nozzle insertion opening. The supporter includes an end surface portion perpendicular to a moving direction of the opening/closing member. The projection area of the end surface portion in the moving direction of the opening/closing member is smaller than a projection area of the sealing portion in the moving direction of the opening/closing member. | 05-05-2016 |