U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 400/637 - Including lower feed-roller(s) (e.g., pressure roller, etc.)


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein significance is attributed to one
No. of patents: 59
Last issue date: 03/09/2010


1    
NumberTitleIssue Date
7674056Paper path powered jam/lock systems and methods
An image output device includes a marking engine and a media path adjacent the marking engine. The media path has a media transportation direction and a media transport element (e.g., a nip drive, a belt drive, a suction drive, an air pressure drive, etc.) within th...
03/09/2010
7481590Printer apparatus
In a printer body 2 of a printer apparatus 1, a grid roller 4 for feeding a sheet of paper 10 and a press roller 8 are arranged. Grid roller 4 is formed to have a large diameter portion and a small diameter portion smaller i...
01/27/2009
7410167Recording medium feeding method and image recording apparatus
A method for feeding a recording medium includes the steps of: feeding the recording medium along a sheet-feeding path by a unit feeding amount, detecting an entrance of a rear end of the recording medium into a jumping alarm area, dividing the unit feeding amount i...
08/12/2008
7367734Printer
A printer less susceptible to paper jams, allowing reduction in number of components and having superior printing precision is provided. The printer includes a chassis, a printing portion mounted on the chassis for printing on a sheet of recording paper, a press rol...
05/06/2008
7255179Cultivator sweep assembly
A cultivator sweep assembly having a sweep adapted for releasable attachment to a shank of a mobile agricultural apparatus. The sweep assembly includes a sweep having a more narrow profile, and a coupling attached to a tapered end portion of the shank and disposed b...
08/14/2007
7246962Exit roller system for an imaging apparatus
An imaging apparatus includes a print engine having a print zone. A print media feed system transports a sheet of print media in a media feed direction along a media feed path through the print zone. The print media feed system includes a plurality of exit rollers p...
07/24/2007
7172353Image forming apparatus
An image forming apparatus has a chassis; a print head unit pivotably supported by the chassis; a platen roller rotatably supported by the chassis to perform printing with the print head unit; a metal feed roller rotatably supported by the chassis to convey paper; a...
02/06/2007
7090419Recording device
A recording device for recording an image on a recording medium, the recording device comprising: a recording head having a liquid drop discharging surface for discharging liquid drops toward a recording medium; a liquid receptacle disposed at a position opposing a ...
08/15/2006
7066463System and method for sheet transporting using dual capstan rollers
A platesetting system and method comprising a pair of dual capstan rollers that receives a recording medium and records an image on the received medium as the medium is transported through the system. The system and method advantageously enable at least a portion of...
06/27/2006
7040617System and method for sheet transporting using dual capstan rollers
A platesetting system and method comprising a pair of dual capstan rollers that receives a recording medium and records an image on the received medium as the medium is transported through the system. The system and method advantageously enable at least a portion of...
05/09/2006
6991328Medium transporting device and recording apparatus incorporating the same
A follower roller is brought into press contact with a driving roller by a load having a predetermined value, thereby being rotated in accordance with a rotation of the driving roller to transport the medium clamped therebetween in a first direction. The follower ro...
01/31/2006
6715949Medium-handling in printer for donor and receiver mediums
A printer includes a print head for printing from a donor medium to a receiver medium, a platen member for holding the donor medium in a printing relation with the receiver medium at said print head, a pair of steering and drive rollers for feeding the receiver medi...
04/06/2004
6585439Printer media alignment apparatus and method
A printer having a media transport mechanism defining a media path. The path extends from a media supply past a print engine. A media alignment element moves between an extended position intersecting the path between the supply and the engine, and a retra...
07/01/2003
6435746Pinch roller for inkjet printer
An apparatus and method for guiding recording media through a printer comprises a roller unit which is coupled to the printer and which comprises a plurality of roller wheels....
08/20/2002
6305860Squeezing apparatus of a liquid electrophotographic printer
A squeezing apparatus of a liquid electrophotographic printer includes a squeezing roller for squeezing out and removing the carrier from a developer which is applied on a photosensitive belt by its passive-rotational movement while being pressed into tig...
10/23/2001
6305859Pressure contact roller and printer using the same
The invention provides a pressure contact roller for use in a recording paper feeding mechanism of a printer, the pressure contact roller is formed with crystalline resin powder projected from an outer circumferential surface of the roller body. By using ...
10/23/2001
6283655Friction-feed plotter with laterally-movable drive roller, and related method for plotting on sheets of different widths
In an apparatus and method for plotting on sheets of different widths, such as by cutting and/or printing, a tool support holding a plotting tool, such as a pen or knife blade, is spaced apart from a laterally-extending sheet-supporting surface and movabl...
09/04/2001
6206592Pinch roller for inkjet printer
An apparatus and method for guiding recording media through a printer comprises a roller unit which is coupled to the printer and which comprises a plurality of roller wheels....
03/27/2001
6042112Paper conveyer for image recording apparatus
A guide plate is arranged in spaced parallel relation with a recording head. A pinch roller and a paper conveyer roller are arranged upstream of the guide plate with respect to a paper feeding direction. The pinch roller takes an entrance position to prov...
03/28/2000
5997199Paper feeding module of a color picture printer
The present invention relates to a paper feeding module of a color picture printer for driving a picture back and forth through a printing module of the printer for printing. The printer comprises a housing. The printing module is installed inside the hou...
12/07/1999
5988907Paper transport device for color thermal printer
A transport roller device of a color thermal printer is constituted of a capstan roller and a main press roller for nipping recording paper therebetween and transporting the recording paper selectively in opposite directions. The transport roller device f...
11/23/1999
5961224Document transport and stop device
By moving the printing head of a printing unit to a position outside the printing area, a paper stop is pivoted into the paper transport path and, by lowering the printing head, a gap is opened both between the printing head and printing abutment and betw...
10/05/1999
5938356Pinch roller for inkjet printer
An apparatus and method for guiding recording media through a printer comprises a pinch roller which is pivotally coupled to the printer. The pinch roller may have a plurality of roller wheels. The degrees of freedom of the pinch roller allows the pinch r...
08/17/1999
5888000Printer with automated means for changing paper clamping pressure
In the present invention, the pressure between the paper feed roller and the trailing roller can be changed while preventing possibility of human misoperation and without requiring exclusive motors. The paper support pressure between a paper feed roller a...
03/30/1999
5681124Printer with displaceable trailing roller
This invention provides a printer in which the printer head can be removed easily and reduction of printer size can be realized. This is achieved because a displaceable trailing roller can be moved to a location where it does not interfere with the remova...
10/28/1997
5558451Shiftable guide member with rollers in a sheet feeding apparatus
The present invention provides a sheet feeding apparatus, comprising a conveying rotary member for conveying a sheet by rotating while contacting the sheet, an urging member for urging the sheet against the conveying rotary member, and a supporting means ...
09/24/1996
5302975Transport roller having compressible hubs
A nip-roller pair for transporting a sheet or web of material has one regular roller and a special roller to prevent scarring of the transported material. The special roller has one or more hubs of soft, compressible material that engage the material and ...
04/12/1994
5218380Platen drag mechanism for thermal printers
A continuous tone themal printing apparatus of the type having a printing station and a receiver paper drive station. The drive station repeatedly advances receiver paper back and forth through the printing station in conjunction with the advance of succe...
06/08/1993
5120145Sheet feeding device
In a printing device having at least a pair of sheet discharge rollers for discharging a printing sheet on which a printing operation has been executed, provided are means for judging whether the printing sheet exists or not at a contact position of the p...
06/09/1992
5056944Paper pressing arrangement for typewriters
The paper pressing arrangement comprises a paper guide plate for guiding a sheet of paper around a platen roller towards the typing line. The paper guide plate comprises two conveyor modules each of which supports three paper pressing rollers and is provi...
10/15/1991
5030024Sheet feeding device in a printer
A printer system having a sheet feeding device for selectively feeding one of a single sheet and a continuous includes a platen arranged adjacent a printing unit; a sheet detector disposed on a sheet feeding path along which the single and continuous shee...
07/09/1991
5026185Printer with adjustable pressing plate
A printer including a cover plate with a plurality of ribs connected along the bottom surface thereof to guide that portion of a recording medium which has passed by a print head through the discharge port of the printer. A release assembly controls and i...
06/25/1991
5011313Paper feed mechanism for a printer
A paper feed mechanism includes a platen rotatably mounted on a frame and a friction feed having a support which rotatably supports a roller, the support being movable between an operable position in which the roller is in biasing engagement with the plat...
04/30/1991
4995746Office machine
In an office machine, for example a printer, with a printing unit, with individual paper transport via pairs of rollers and with endless paper transport via a tractor, a release of the pressure rollers, which is necessary for the tractor to operate in the...
02/26/1991
4986525Sheet feed device for use in a printer or the like
A sheet feed device for feeding a sheet-like material includes a feed roller disposed upstream with respect to a sheet feeding direction for feeding the sheet-like material and main and auxiliary roller pair disposed downstream with respect thereto for fu...
01/22/1991
4936696Roller device for transporting recording supports in printers
Each of one or more groups of pressure rollers (24, 25), consisting of a plurality of pairs of rollers (26), is arranged on its own mounting frame (27) that is releasably carried on the connecting piece (4) of the printer frame (1). The mounting frames (2...
06/26/1990
4887922Paper feeding device for printers
A paper feeding device for a printer provides presser rollers which are located on a normal line drawn from center of a platen to a tangential line drawn from circumference of a sprocket wheel to a platen circumference. Thus, papers are stiffened and stab...
12/19/1989
4773782Apparatus for transferring sheet material
A sheet material transferring apparatus of the type including a transferring roller about which the sheet material is wound, a sheet guiding member and a sheet retainer. The sheet guiding member is formed with a plurality of openings through which pinch r...
09/27/1988
4721402Paper feed mechanism including lower pinch rollers
A paper feed mechanism comprises first and second support plates for supporting a paper feed roller and a rotary shaft for bringing a pinch roller into contact with and away from the paper feed roller. The rotary shaft extends through the first support pl...
01/26/1988
4708504Pinch roller assembly for sheet feeding
The present invention provides a paper feeder used in recording systems including printers and comprising feed and pinch rollers between which there is produced a nip used to hold and convey a sheet of paper therebetween. The pinch roller can be engaged o...
11/24/1987
1    
 
Sign InRegister
Username  
Password   
forgot password?