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

Icon_funbox Did You Know...

...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.

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 400/645.5 - Mounted in front of platen axis


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the member is supported relative
No. of patents: 12
Last issue date: 11/18/2003


NumberTitleIssue Date
6648328Sheet transfer device with guide plates and hold rollers
To prevent wavy swell from causing in sheet in transferring thereof and avoid wrinkle from being produced in later printing steps, there is provided a sheet transfer machine forward from a printing drum and a press roll. The machine is provided with upper...
11/18/2003
6276848Thermal printer having integrally formed paper guide and frame
A thermal printer for a portable electronic device such as a receipt issuing machine is capable of increasing an angle at which thermal recording paper is wound on a platen roller while decreasing running load and without generating static electricity. Th...
08/21/2001
6109806Mechanism for preventing recording sheet from contacting print head in printing device
A hot melt ink jet printing device 1 includes guides 27 disposed on a printing surface 11 of a platen 12 at both sides of a print area and guides 28 disposed downstream side of the platen 12 in a sheet feed direction F. Heaters 21, 25 are mounted on an un...
08/29/2000
5842799Recording apparatus with sheet guide
A printer is provided with a platen having a sloping plane platen surface, a medium guide path for smoothly guiding paper along the plane including the platen surface, a transparent open/close paper guide positioned above the medium guide path, and two pa...
12/01/1998
5222820Method and apparatus for improving paper handling in a printer
A sheet guide apparatus for a printer comprises a printing head, a platen arranged in opposed relation to the printing head, sheet feed tractor arranged upstream of the platen in a sheet delivering direction, a plurality of guide elements arranged downstr...
06/29/1993
4729557Sheet feed device
A sheet feed device applicable to a recorder such as an ink jet printer or a thermal printer has feed rollers mounted on the same shaft in a spaced relationship and platen blocks mounted in spaces between the feed rollers. A sheet fed along the feed rolle...
03/08/1988
4666322Record carrier feed device
Disclosed is a record carrier feed device in which a guide bar is disposed in a position where the leading edge of a record carrier wound around a platen is on the point of separating from the cylindrical surface of the platen in a direction tangential th...
05/19/1987
4630950Paper bail for a printer and associated methods of operation thereof
Paper bail apparatus for a printer comprising a frame mounted on a non-circular paper bail shaft of a printer and rotatably supporting a pair of rollers for contact with the platen of the printer along two separate lines of contact which are circumferenti...
12/23/1986
4498792Printing and/or correcting device for printing machines
The printing and correcting device is applied to a daisywheel printer and comprises a frame supporting a cartridge for a typing ribbon and a correcting ribbon arranged below the typing ribbon. The frame is able to swing as the result of operation of an el...
02/12/1985
4453847Record carrier feed arrangement for a printer
A feed arrangement for transporting a record carrier around and in intimate contact with a printing platen in a printer. The feed arrangement includes a rotatable guiding member in the form of a paddle wheel having a number of resilient blades mounted in ...
06/12/1984
4410291Antinoise device for impact serial printers
A serial printer is disclosed where the printing is performed by a printing head (22) mounted on a carriage (21) movable along the printing line, a transparent leaf (36) mounted on the carriage presses the printing support (25) (paper) against a platen (2...
10/18/1983
4165188Ribbon mask and guide for dot matrix impact printers
A ribbon mask for a wire or stylus-type dot matrix print head is carried with the print head, positioned between the print ribbon and the printing surface, and has a forwardly-angled integral flange extending from along a portion of the top of the main bo...
08/21/1979
 
Sign InRegister
Username  
Password   
forgot password?