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

Icon_funbox Quotables

"Man will not fly for 50 years."

Wilbur Wright ; 1901

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 400/588 - On plural-platen (e.g., divided platen) typewriter


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the typewriter is provided with at
No. of patents: 8
Last issue date: 07/02/2002


NumberTitleIssue Date
6412995Printing apparatus and platen with a plurality of impact surfaces
A platen has an impact surface positioned to oppose a printhead so that a part of a printhead strikes paper loaded on the impact surface. The platen includes a first impact surface having a curved surface, a second impact surface having a curved surface, ...
07/02/2002
6262754Dual type thermal printer
A dual type thermal printer comprises a main body frame, a first platen roller supported by the main frame for undergoing rotation, and a second platen roller supported by the main body frame in coaxial relation to the first platen roller for undergoing r...
07/17/2001
5000595Printing apparatus
A printing apparatus suitable for printing on a print medium of a large size which is reduced in overall size and facilitates adjustment of printing timings of line printing heads therein. The printing apparatus comprises a plurality of line printing head...
03/19/1991
4415287Printing device for printing characters in rows on data carriers
A printing device comprises a print head and a plurality of data carriers, the print head being able to print data on at least one of the plurality of data carriers; a motor for moving said print head along said data carriers; said print head being adapte...
11/15/1983
4395152Drive for friction rolls in printers
Two friction rolls are journalled on a driven shaft, and a differential being keyed to that shaft causes that one of the rolls to be driven which is not held. The rolls are alternately held by, preferably, latching devices which are operated on limit posi...
07/26/1983
4167345Printing apparatus with selectively movable printing heads
Apparatus for printing characters on at least one data carrier comprising a printing head movable along the data carrier, a line advance device for feeding the data carrier substantially perpendicular to the moving direction of the printing head, an ink r...
09/11/1979
4027765Record media drive mechanism
A plurality of printing stations are spaced across a machine wherein a feed or drive assembly for paper or like record media is associated with each station, each of the feed or drive assemblies being self-contained and of modular construction to enable p...
06/07/1977
3977512Ribbon cassette and ribbon advance
A cassette for a printer for supplying mobius loop ink ribbon to the print head which includes a means for inking the ribbon as it is returned to the cassette and a means for storing the ribbon by randomly stuffing the ribbon in convolutions therein. The ...
08/31/1976
 
Sign InRegister
Username  
Password   
forgot password?