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Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Class 399/121 - Transfer unit


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein the displaceable or removable part
No. of patents: 253
Last issue date: 04/30/2013


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NumberTitleIssue Date
8095039Image forming apparatus with an opening and closing unit
An image forming apparatus includes: a main body; an opening and closing unit disposed so as to be openable and closable for the main body; a fixing unit fixing the opening and closing unit to the main body; a structure including a component for realizing an image f...
01/10/2012
8081902Image-forming device with detachable belt unit
An image-forming device includes a body frame, a belt unit, and a process cartridge. The belt unit includes a belt unit main frame having a first main end portion and a second main end portion in a first direction, a first roller disposed at the first main end porti...
12/20/2011
8064797Image forming apparatus having releasing mechanism for removable toner-image conveyance belt
An image forming apparatus includes an image bearing member, a rotatable belt member configured to contact the image bearing member, a belt unit configured to support the belt member and removably mounted on the image forming apparatus, an operation unit disposed on...
11/22/2011
8045887Image forming apparatus
An intermediate transfer unit includes a stand member that is integral with an intermediate-transfer-unit body of the intermediate transfer unit. The stand member stretches below the intermediate-transfer-unit body from a trailing edge to a leading edge of the inter...
10/25/2011
8027616Belt unit and image forming apparatus
A belt unit includes: a pair of roller members spaced from and opposing each other in a first direction, each of the roller members having an axis extending in a second direction; an endless belt extending around the roller members; a plurality of transfer members a...
09/27/2011
8014701Contacting and separating mechanism and image forming apparatus
A contacting and separating mechanism which causes a first member to contact a second member and separates the first member contacting the second member from the second member is disclosed. The contacting and separating mechanism includes a pressure applying member ...
09/06/2011
8014700Image forming apparatus
An image forming apparatus which includes a plurality of image bearing members, a plurality of primary transferring devices, an intermediary transfer unit, a secondary transfer portion, a feeding path, a detecting member, an adjusting device, an openable member, a g...
09/06/2011
8000632Image forming apparatus and image forming method
An image forming apparatus includes an image transfer unit that transfers a reversed image onto an image bearing member as a toner image, a secondary transfer roller that transfers the toner image onto a recording medium, a contact and separation unit that brings th...
08/16/2011
7986903Transfer device and image forming apparatus having the transfer device
An image forming apparatus capable of preventing meandering of a transfer belt. The image forming apparatus includes a main body, including an image forming unit; and a transfer device to transfer an image formed by the image forming unit to a printing medium. The t...
07/26/2011
7986904Image forming apparatus
In an image forming apparatus, a plurality of photoconductors arranged in the apparatus is supported by a support frame which is allowed to be pulled out from a body of the apparatus; and an endless intermediate transfer belt looped around a first roller and a secon...
07/26/2011
7979000Transfer unit and image forming apparatus
A turnable transfer unit, including a transfer member forming a transfer nip while contacting an image bearer installed in an image forming apparatus; and a pressurizer pressurizing the transfer member to the image bearer, wherein the turnable transfer unit further ...
07/12/2011
7974552Device and method for forming a nip in an image forming apparatus
An image forming apparatus includes an image carrier which moves while carrying an image and a transfer roller including a roller base material which faces the image carrier and rotates. A concave portion is positioned on a peripheral surface of the roller base mate...
07/05/2011
7965959Transfer apparatus and image forming device
A transfer apparatus includes a transfer belt that conveys a toner image which has been transferred to an outer periphery face thereof; a transfer member that, at a contact portion, causes the toner image to be transferred from the outer periphery face of the transf...
06/21/2011
7957672Image forming apparatus with a belt unit
An image formation apparatus is provided that prevents a belt from becoming displaced or detached from a belt unit. When a belt unit is detached from a main body casing, a tension roller is fixed in an outwardly protruding position by a fixing member. Thereby, the c...
06/07/2011
7957673Toner transfer systems with an adjustable transfer belt for use in an image forming device
The present application is directed to toner transfer systems with an adjustable transfer belt. The transfer belt transfers toner images from a first location to a second location. Two or more support rolls position and drive the transfer belt. A tensioning device i...
06/07/2011
7945189Image forming apparatus and image forming method
An image forming apparatus and an image forming method are provided that realize both the use of a decolorizing toner and a non-decolorizing toner and miniaturization of the apparatus. An image forming apparatus employing an intermediate transfer system includes: a ...
05/17/2011
7941074Image conveyance unit, intermediate transfer unit, electrostatic transfer unit, and image forming apparatus
A belt cover is configured to approach an intermediate transfer belt when an intermediate transfer portion retracts from a photosensitive drum. This allows the space required for the retraction of the belt cover to be made smaller when the intermediate transfer port...
05/10/2011
7920808Belt device and image-forming apparatus
A belt device for use in an image forming apparatus includes two side frames supported by two slide rails disposed at the body of the image forming apparatus on the outside of the outer periphery of the belt member, a rear frame constructed between two sub-frames an...
04/05/2011
7917060Image forming apparatus having a sensor blocking device
An image forming apparatus includes an image forming unit configured to form a toner image on an image bearing member, an endless belt configured to transfer and carry the toner image thereon, a transfer unit configured to transfer the toner image carried by the end...
03/29/2011
7885576Belt installation tool
A tool for installation of intermediate belts by a customer includes a lightweight frame structure that is collapsible for handling and ease of belt loading onto the tool itself. The frame structure includes linkage such that when a handle connected to the frame str...
02/08/2011
7881634Image forming apparatus in which transfer member is movable toward and apart from image bearing member
In a constitution for detecting a position of a transfer member on the basis of a detection result of a current passing between the transfer member and an image bearing member, the positional detection is performed after a contacting and separating operation of the ...
02/01/2011
7881635Image forming apparatus including a detachable convey-guiding member detachably attached to a fixed convey-guiding member fixed to a device main body
An intermediate transfer unit can be detached from a device main body through an opening that is covered by an openable and closable front cover. A sheet path is provided between the intermediate transfer unit and the front cover. A portion of a convey-guiding unit ...
02/01/2011
7865113Image forming apparatus with a removable transferring unit
An image forming apparatus is described. The image forming apparatus may include a casing, developing agent carriers, an image carrier, and a transferring unit anteroposteriorly detachably mountable to the casing on a front side of the casing. The transferring unit ...
01/04/2011
7856194Intermediate transfer unit-mounting and dismounting mechanism and intermediate transfer unit-mounting and dismounting method
An intermediate transfer unit mounting and dismounting mechanism for an image forming apparatus including a transfer belt unit that is provided as a separate structure from the apparatus body and can be mounted to and dismounted from the apparatus body, includes: a ...
12/21/2010
7848677Image forming apparatus capable of preventing scattering of toner
The image forming apparatus according to the present invention has: a transfer unit including an intermediate transfer medium that circularly moves; plural image forming sections provided in parallel with each other from an upstream side to a downstream side along a...
12/07/2010
7844199Image forming apparatus having detachable intermediate transfer body
An image forming apparatus includes: an apparatus body including: an image forming unit that forms toner images having the colors being different from each other; a intermediate transfer body that has a belt-shape, and that is arranged in an upper portion of the ima...
11/30/2010
7822360Image forming apparatus including locking unit
An image forming apparatus includes a main body, a roller detachably attached to/from the main body, a supporting member supporting a rotary shaft of the roller, and a locking unit which includes a locker frame and a locker arm. The locker arm is elastically biased ...
10/26/2010
7796917Color printer toner transfer belt system and process
A system and method to replace a transfer belt of a color laser printer transfer belt assembly without replacing the entire assembly, including one or more novel holding fixtures and a method for releasing the tension on the transfer belt prior to removal of the tra...
09/14/2010
7783230Transfer unit, image forming apparatus having the same, and method thereof
A transfer unit and an image forming apparatus having the same. The transfer unit includes a transfer unit body to accommodate a printing medium conveyor, which makes a printing medium receive an image while moving the printing medium, a body handle used to mount th...
08/24/2010
7756445Transfer unit-fixing apparatus and image forming device having the same
A transfer unit-fixing apparatus to integrally fix a transfer unit on a door, and an image forming device having the same are disclosed. The transfer unit-fixing apparatus includes a position fixing unit to pivotally support a first part of the transfer unit on the ...
07/13/2010
7751750Belt unit installed apparatus, image forming apparatus having the same, and method of installing/removing belt unit
A belt unit installed apparatus includes an apparatus frame; a belt unit attached to the apparatus frame, said belt unit having a first roller, a second roller, a belt placed between the first roller and the second roller, and a belt frame for supporting the first r...
07/06/2010
7742721Transferring device having two devices for cleaning a transferring member, and image forming apparatus
A transferring device installed in an image forming apparatus includes an image bearing member configured to bear toner images on the surface. There is a transferring member configured to contact the image bearing member to form a transferring nip. A lubricant suppl...
06/22/2010
7702254Image forming apparatus having mechanism for reducing pressing force between image bearing member and transferring member
An image forming apparatus includes a photosensitive member and a transfer roller that are brought into pressure contact with each other by a force of a transfer spring to define a nip section therebetween. The transfer roller is movable between a first position at ...
04/20/2010
7693452Transfer belt unit and method for holding the same
A transfer belt unit which is mounted in an image forming device. The transfer belt unit contains a positioning member; a handle, and a guiding member. The positioning member positions the transfer belt unit with respect to the image forming device in a state where ...
04/06/2010
7684730Image forming apparatus and intermediate transfer unit
An intermediate transfer unit of an image forming apparatus is provided between a plurality of developer containers for containing developer and a plurality of developing devices. The intermediate transfer unit includes an intermediate transfer unit for secondarily ...
03/23/2010
7676176Image forming apparatus including cover and supporting unit
An image forming apparatus includes a cover and a supporting unit. The supporting unit includes a holding member, a supporting member, a first biasing unit, and a positioning unit. The holding member holds the transferring member. The supporting member movably suppo...
03/09/2010
7664429Transfer mechanism and image forming apparatus using the same
A transfer mechanism includes: a transfer unit having a transfer belt; and a belt contact and separation assembly for bringing the transfer belt into, and separating it away from, an electrostatic latent image support by shifting the position of the transfer unit. T...
02/16/2010
7657207Belt driving device, transfer unit using the same and image forming apparatus using the transfer unit
An image forming apparatus includes a developing unit which develops toner to form an image, a transfer unit which transfers the image onto a printing medium, and a fusing unit to fuse the image transferred onto the printing medium, wherein the transfer unit include...
02/02/2010
7627268Image forming apparatus capable of providing a stable belt movement in a belt unit
An image forming apparatus includes a belt unit having a support roller, a tension roller, a pair of side frames, a belt, and a guiding mechanism. The pair of side frames are configured to support the support roller and the tension roller. The belt extends across th...
12/01/2009
7623809Image forming apparatus having belt unit
A plurality of image bearing members is supported by an apparatus main body and is arranged in a predetermined direction. A belt unit is configured to be detachably mounted on the apparatus main body. The belt unit includes a belt frame, a plurality of belt support ...
11/24/2009
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