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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 399/303 - Copy medium carrier (e.g., drum or belt)


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein an arrangement is provided for transporting
No. of patents: 362
Last issue date: 08/23/2011


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NumberTitleIssue Date
8005411Image forming apparatus having a transfer unit including an elastic member
An image forming apparatus includes an image bearing member for bearing a toner image; a rotatable intermediary transfer member; and a transfer unit, configured and positioned to form a transfer nip between the intermediary transfer member and the image bearing memb...
08/23/2011
7983607Image forming apparatus having an endless conveying belt with a 720 degree twist
An image forming apparatus has a endless conveying belt (50) which conveys a sheet (P) on which an image is to be formed, and is twisted 720 degrees, and a plurality of suspending members which suspend the conveying belt (50). The conveying belt (50...
07/19/2011
7953356Image forming apparatus
An image forming apparatus includes a first roller; a second roller; a belt tensely provided between the first roller and the second roller; and a guiding member for guiding an edge of the belt. Further, the belt has an edge surface having a step portion of equal to...
05/31/2011
7856200Semiconductive belt, semiconductive roll and image forming apparatus using these members
A semiconductive belt includes: at least one different resistance portion that is configured to partly differ in surface resistance from surroundings, wherein the at least one different resistance portion is at an angle with respect to a direction perpendicular to a...
12/21/2010
7751764Image forming apparatus
An image forming apparatus including a movable belt member; rotatable first and second image bearings; first and second transfer members for electrostatically transferring the toner image from the first and second image bearing members, respectively, onto the belt m...
07/06/2010
7711299Color image forming apparatus with discharge member
A color image forming apparatus is described. The color image forming apparatus may includes: a belt that travels in a prescribed direction; a plurality of image carriers arranged in parallel in the prescribed direction, and opposed to the belt and carrying developi...
05/04/2010
7693470Image forming apparatus with a belt for conveying sheets
An image forming apparatus includes: a plurality of rollers including a drive roller and a follow roller; an endless belt made of an insulation material and looped around the plurality of rollers so that a bridging portion is formed between adjacent rollers and both...
04/06/2010
7684742Image forming method, and image transferring mechanism, a method of scale reading, a belt transfer unit, and image forming apparatus, which use or include a non-metallic scale with a colored resin layer
An image forming apparatus includes an image transferring device having a belt transfer unit for effectively performing an image transfer operation. The belt transfer unit includes a transport mechanism transporting a toner image, a scale provided around an entire p...
03/23/2010
7583921Image forming apparatus and transfer unit
An image forming apparatus for forming an image on a recording medium, includes: a belt-like member that is capable of cyclic rotation; a plurality of support members, along which the belt-like member is stretched; a first member that is located along an inner face ...
09/01/2009
7546075Image forming apparatus featuring a multilayer member with a roughened layer surface to irregularly reflect incident light and method for making the multilayer member
A belt includes a surface layer and an underlayer. An interface between the surface layer and the underlayer is roughened to irregularly reflect incident light. ...
06/09/2009
7496322Device and method for charging a media transport belt conveyor in a printer or copier
A device and a method are provided for recharging a belt conveyor which is used for transporting a printing medium in the transfer area of an electrophotographic printer or a copying machine. The device includes a blade-like contacting element which is adjacent to t...
02/24/2009
7474868Belt unit and image-forming device having the same
A belt unit includes a drive roller, a follower roller and an endless belt looped around the drive roller and follower roller, and formed of a resilient material. The drive roller transfers a first force based on the driving force to the endless belt to circularly m...
01/06/2009
7436417Color image forming apparatus, and toner replenishing apparatus
The color image forming apparatus comprises a transfer belt device which feeds a transfer member such as a paper and a plurality of image forming units. The image forming units are disposed facing towards the transfer belt device. The transfer belt device, at least ...
10/14/2008
7436528Image forming apparatus with manual inhibiting of plural image retention forming mode and control method therefor
The image formation by the plural-image formation mode is manually inhibited by the user in case the image formation is interrupted or the formed image is distorted by defective original feeding in the image formation by such plural-image formation mode. As a result...
10/14/2008
7424255Device and method for belt speed control, and image forming apparatus
A scale including equally spaced marks is attached to a belt in a direction of movement of the belt such that a gap is formed between a first end and a second end of the scale. A first sensor and a second sensor detect the marks on the scale and output first signals...
09/09/2008
7415232Image forming apparatus including feature for reducing wrinkles in an intermediary transfer belt
An image forming apparatus includes a first stretching member, contacted to a belt member at a first contact area, for stretching the belt member; a second stretching member, contacted to a belt member at a second contact area, for stretching the belt member, wherei...
08/19/2008
7391988Image forming apparatus and belt device
An image forming apparatus includes: a plurality of rollers including at least one drive roller to be rotatively driven; a belt passed around the plurality of rollers; and a press member which is disposed opposite the drive roller with the belt interposed therebetwe...
06/24/2008
7392003Belt unit and image forming apparatus that incorporates the belt unit
A belt unit includes an endless belt and a cleaning member. The endless belt has a value of ten-point height of roughness Rz not larger than 0.2 μm, a value of shininess not less than 100, a creep not larger than 0.03%. The cleaning member is in contact with said e...
06/24/2008
7389068Image forming apparatus with adjustment of belt member
The image forming apparatus includes a belt member having a convex portion, effecting a circular movement, a first support member and a second support member for supporting the belt member, and a drive receiving unit for receiving force from circular movement of the...
06/17/2008
7389075Image forming apparatus, program and positional error correction method
An image forming apparatus includes an electrophotographic process part for image formation provided for an image carrying medium for each color; a non-end moving part moving images transferred thereto from the respective image carrying media for the respective colo...
06/17/2008
7386262Belt driving control apparatus and image forming apparatus which uses a moving average process and a revolution average process
A belt driving control apparatus, the belt driving control apparatus having an endless belt, a driving roller driving the endless belt, a driving motor driving the driving roller, at least one idler roller being dependent on the endless belt, and an encoder attached...
06/10/2008
7386263Device and method for electrically charging a transport belt using a contact lip made of a rubber material
A device for electrically charging a transport belt for transport of recording media in a transfer printing area of an electrographic printer or copier as well as a method for charging. In a direction transverse to a running direction of the transport belt, a contac...
06/10/2008
7379690Image forming apparatus with adjustment of belt member
The image forming apparatus includes a belt member having a convex portion, effecting a circular movement, a first support member and a second support member for supporting the belt member, and a drive receiving unit for receiving force from circular movement of the...
05/27/2008
7376377Conductive endless belt and image forming apparatus using the same
A high performance conductive endless belt and an image forming apparatus using the same are provided, the conductive endless belt having superior strength, in particular, superior folding endurance, stable and appropriate electrical resistance even in high voltage ...
05/20/2008
7356296Endless belt type transferring apparatus and image forming apparatus
An endless belt transports a recording medium through image forming sections and transfers toner images from corresponding ones of the image forming sections onto the recording medium. The endless belt has a surface resistivity and a volume resistivity. The surface ...
04/08/2008
7349658Image forming apparatus that has a full-color mode and a monocolor mode, and image forming apparatus that can adjust the length of a non-image forming region during mode switching state
An image forming apparatus includes a plurality of photosensitive drums, a plurality of developing devices, an intermediate transfer medium, primary transfer members, and a secondary transfer member for transferring toner images onto a transfer material. A full-colo...
03/25/2008
7349650Printer apparatus
An image forming apparatus includes an image forming portion disposed in a detachable manner, an opening and closing member taking a closed position and an open position, a transfer unit disposed at the opening and closing member, as facing the image forming portion...
03/25/2008
7346295Belt member and belt device using the same
A belt member of the present invention includes ribs that prevent the belt member from being shifted to either side. A plurality of cuts are formed in each rib at preselected intervals in the circumferential direction of the belt member, and each extends from the to...
03/18/2008
7343129Image forming apparatus
An image forming apparatus includes a shaft, a shaft support portion rotatably supporting the shaft, a shaft gear provided at an end portion of the shaft in a lengthwise direction, and a first gear engaged with the shaft gear and rotating the shaft gear. The rotatio...
03/11/2008
7341813Electrophotographic photoreceptor, electrophotographic member, process cartridge and image forming apparatus
The present invention provides an electrophotographic photoreceptor and an electrophotographic member, which have superior mold releasing and sliding properties and are able to maintain these properties over long periods of time, the photoreceptor comprising a first...
03/11/2008
7343126Image forming apparatus including a transfer belt having image forming units disposed thereabout
A tandem image forming device for an image forming apparatus of the present invention includes a plurality of image forming means arranged side by side along an intermediate image transfer belt. The image forming means each include a developing device and a cleaning...
03/11/2008
7343119Belt drive control method, belt-drive control device, and image forming apparatus
A rotational speed of a first roller and a time required for a second roller to make one rotation are measured. A controller calculates an amplitude and a phase of fluctuation in a rotational speed in one rotation period of the first roller while the first roller is...
03/11/2008
7340206Image forming apparatus with a loop belt transferring a recording medium
A loop belt of an image forming apparatus is formed by splicing belt members made of different materials in a width direction of the loop belt. ...
03/04/2008
7334858Image forming apparatus
An image forming apparatus can form a high-quality image while acquiring a stable conveyance performance. A conveyance belt (21) conveys a recording medium (12) by attracting the recording medium (12) by an electrostatic force. A recording head ...
02/26/2008
7333749Desktop color image forming apparatus and method of making the same
The present invention relates to an electrophotographic color image forming apparatus using a tandem-drum development, an indirect image-transfer method, and a vertical sheet supply path. An intermediate image-transfer member is angled relative to a horizontal line ...
02/19/2008
7330674Image forming apparatus for preventing resistance variation of intermediate transfer belt and method thereof
An image forming apparatus for performing a printing job using an intermediate transfer belt is provided. The image forming apparatus has a voltage determination part for determining a predetermined level of a refresh charge corresponding to a potential difference w...
02/12/2008
7317890Apparatus for and method of printing a mono-color image using a single-pass color printer
Apparatus and method are provided for printing a mono-color image using a single-pass color printer. According to the apparatus and method, dummy toner images are developed onto the photosensitive substances that do not perform an image forming operation so as to co...
01/08/2008
7313345Image forming unit
An image forming unit includes: an image carrier on which a latent image is formed; an intermediate transfer belt to which a toner image obtained by developing the latent image on the image carrier is transferred; plural rolls, around which the intermediate transfer...
12/25/2007
7310488Belt device and image forming apparatus
A belt device includes an endless belt, a plurality of rollers around which the endless belt is wound, and a foreign material entry preventing member disposed on at least one side of the endless belt in the width direction. The foreign material entry preventing memb...
12/18/2007
7302215Electrophotographic image forming apparatus having a separator to separate a printing medium from a transfer belt
An electrophotographic image forming apparatus has a development unit with a photoconductor. A transport belt conveys a printing medium onto which a toner image is transferred from the photoconductor. A separator is disposed inside the transport belt, and is capable...
11/27/2007
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