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

Icon_funbox Bizarre Patents

Patent No. 6260903

Portable automobile partition

A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.

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 400/228 - Including pin-feed-engaging ribbon


Subclass of Class 400 - Typewriting machines
Definition: Subject matter wherein the ribbon* is moved by
No. of patents: 37
Last issue date: 01/13/1998


NumberTitleIssue Date
5707159Recording apparatus and ribbon cassette installed therein
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...
01/13/1998
5354138Self adjusting, low torque ribbon drive system
An improved ribbon cartridge has an endless printing ribbon and a ribbon inlet and outlet through which a portion of the printing ribbon is fed outside the cartridge for use by a printing device in a printing operation. The ribbon cartridge includes a sel...
10/11/1994
5044794Ink ribbon cassette
An ink ribbon cassette includes a supply side ribbon spool, a take-up side ribbon spool, a cassette case containing therein the supply side and take-up side ribbon spools and pivotably supporting at least the take-up side ribbon spool through a lever memb...
09/03/1991
5017943Thermal transfer type color printer
In a thermal transfer type color printer, an ink film on which plural color inks are sequentially painted in its longitudinal direction is sequentially transported forward between an ink film supply roll and winding roll, while a printing paper is repeate...
05/21/1991
4964743Receptacle for a holder for a ribbon for use in typewriters or similar machines
A receptacle for a holder of a ribbon of a typewriter or similar machine. The holder has a base plate on which laterally pivotable retaining elements are disposed. The retaining elements support drive, braking and tensioning elements for the ribbon. If th...
10/23/1990
4867586Ink ribbon cassette and loading mechanism therefor
An ink ribbon cassette with two projecting arms between which an ink ribbon is held exposed for printing. The cassette has a positioning slit in one of the arms, extended perpendicular to the running direction of the ink ribbon, and two side fixing projec...
09/19/1989
4861177Reloadable ribbon cassette system
A reloadable ribbon cassette system for typewriters or office machines of similar construction employs a bottom housing in which an exchangeable supply spool core for the ribbon and an exchangeable take-up spool core can be rotatably mounted. To facilitat...
08/29/1989
4854755Reloadable ribbon cassette system
A reloadable ribbon cassette system for typewriters or office machines of similar construction employs a housing which receives an exchangeable supply spool for the ribbon and an exchangeable take-up spool core. To facilitate the reloading process, the ta...
08/08/1989
4806033Ribbon cartridge for printing machines
The ribbon (17) has an external run between the type element (25) and platen of a daisy-wheel typewriter. This run stretches between terminal members (59) which protrude from side arms (33 and 34) of the cartridge casing (18) and are fixed to the distal e...
02/21/1989
4798486Ink ribbon cassette having mounting means, slack preventing means and multiple ribbon shifting means
There is provided an ink ribbon cassette detachably mounted on a carriage of a recording apparatus, housing an ink ribbon supplied from a casing and taken up therein after passing through a recording section and including first positioning means for posit...
01/17/1989
4780010Ribbon spools for a reloadable cassette for a typewriter or similar office machine
A ribbon cassette for an office machine, composed of: a cassette housing removably mountable in the machine, the housing having an entrance opening, an exit opening, an openable cover and elements constituting deflection points; a supply spool and a take-...
10/25/1988
4725155Ribbon cartridge for a typewriter or similar office machine
Ribbon cartridges for typewriters or similar office machines must meet various design requirements, especially, must be easily exchangeable without soiling one's fingers, must be inexpensive to manufacture, and must dampen the noise in the printing area. ...
02/16/1988
4669902Multitrack ribbon cartridge for printing machines
The ribbon (17) has an external run between the type element (25) and platen of a daisy-wheel typewriter. This run stretches between terminal members (59) which protrude from side arms (33 and 34) of the cartridge casing (18) and are fixed to the distal e...
06/02/1987
4655623Ink ribbon cassette
An ink ribbon cassette for winding an ink ribbon from a feed spool to a winding spool is provided. The cassette includes a base with a guide path for receiving a guide projection formed on a support member having a feed spool sleeve. A drive roller and co...
04/07/1987
4636098Ribbon drive coupling and cartridge tilt arrangement for print line visibility
A ribbon cartridge (10) is attached to a carrier (1) of a printing device such that it is tiltable along an axis that is parallel to the print line to drop the ribbon such that the print line is visible. That part of cartridge (10) which is opposite of th...
01/13/1987
4623273Cartridge for a ribbon for typewriters
The cartridge comprises a container (7) of substantially parallelepipedal form with its corners radiused and rounded off. The container is provided with a back (8) having a slot (27) adapted to guide a slide (26) on the ends of which are rotatably mounted...
11/18/1986
4609298Tensioning means for printing ribbon cassette
A printing ribbon cassette having in a casing a supply spool carrying a printing ribbon thereon and a take-up spool on which the ribbon is wound as it is released from the supply spool having an axis of rotation which is movable as the ribbon is released ...
09/02/1986
4605327Print ribbon cassette including ribbon tensioning means
A print ribbon cassette of a simplified construction which can prevent slackening of a print ribbon and normally keep the print ribbon in taut condition for printing. The print ribbon cassette comprises a lock member having a locking position for preventi...
08/12/1986
4565128Rotary wheel printer
A rotary wheel printer such as a daisy wheel printer includes a rotatable platen for receiving a paper sheet partially therearound, a carriage movable along the platen, and a type wheel mounted on the carriage in confronting relation to the platen and hav...
01/21/1986
4561791Alternate ribbon feed mechanism for fabric and carbon ribbon cassettes
A ribbon feeding mechanism for a typewriter or printer includes a pivotally mounted platform for removably receiving a fabric or carbon ribbon cassette. A manually operable lever carries ribbon feeding components including a toothed wheel for engaging the...
12/31/1985
4552473Ribbon feed mechanism
A ribbon feed mechanism for printing machines has a toothed wheel rigidly mounted on a drive shaft at an angle relative to a plane perpendicular to the drive shaft axis. The toothed wheel will penetrate layers of outer convolutions of a roll of film ribbo...
11/12/1985
4523868Ribbon feed cartridge
The feeding of typewriter ribbons is improved by utilizing a cartridge carried driving element engaging the periphery of a translatable take-up spool where the driving element is driven by an interface connection with a driving member connected either dir...
06/18/1985
4486107Ribbon guiding and directing structure and cartridge
A frame-supported disposable ribbon supply and take-up cartridge for typewriters and printers of the type employing a carriage-transported printing device is equipped with a constant path length ribbon guiding and directing structure which can be collapse...
12/04/1984
4413920Printing ribbon cartridge with flexible ribbon guides
A ribbon cartridge in a movable print point printer remains stationary while the ribbon moves to and from the print point along a path of fixed length. The path length is established by a first flexible leader which extends from the cartridge to the print...
11/08/1983
4367052Flat rate spring particularly adapted for typewriter cartridges
Disclosed is a spring operating beyond the elastic limit of the material of which it is constructed, the spring including a length of resilient material having terminal end portions and a central body portion, one of the terminal end portions being adapte...
01/04/1983
4350451Slidably positionable cartridge having skewed ribbon feed
An inked ribbon winding device and an inked ribbon cartridge for use in a printing apparatus. A dispensing and a takeup spool, located closely together and at different elevations in the cartridge, establish a skewed angle of the ribbon traversing the ext...
09/21/1982
4347007Typewriter cartridge and feed mechanism therefor
Disclosed is a cartridge and a cartridge assembly for a typewriter, the assembly comprising a pair of case members, each case having a separate chamber and including means for releasably connecting the two cases in superimposed overlapping relation. First...
08/31/1982
4343556Ink ribbon cartridge
An ink ribbon cartridge for a printer drives an endless loop of ribbon by passing the ribbon between a feed roller having teeth of one pitch and a pinch roller having teeth of another pitch....
08/10/1982
4337001Releasable ribbon locking device in a ribbon cartridge
A releasable ribbon locking device is used to keep a ribbon taut in a typewriter ribbon cartridge. The device includes a locking member carrying a blade or brake urged by a spring into abutting relationship with a rotatable ribbon supply support to preven...
06/29/1982
4329073Single use ribbon cartridge with frangible resistive element for restraining the takeup spool
In ribbon cartridges which are utilized in cooperation with a spacially fixed driving member engageable with a takeup spool at its periphery to feed the ribbon, it is necessary for the takeup spool to translate away from the spacially fixed driving member...
05/11/1982
4317636Ribbon cartridge
An improved ribbon cartridge for use in impact printers, typewriters or the like, in which inked ribbon upon a supply spool and a take-up spool are enclosed within a housing with the center of each spool being supported for rotation and for floating movem...
03/02/1982
4302118Typewriter cartridge and feed mechanism therefor
Disclosed is a cartridge and a cartridge assembly for a typewriter, the assembly comprising a pair of case members, each case member having a separate chamber and including means for releasably connecting the two case members in superimposed overlapping r...
11/24/1981
4299504High capacity ribbon cartridge with surface drive
A ribbon cartridge for use in impact printers, typewriters or the like in which a supply spool and a take-up spool are enclosed in a housing with the center of each spool being supported for rotation and for floating movement along a guide path. A fixed c...
11/10/1981
4047608Compliant ribbon-guiding structure
A compliant structure formed of resilient tape of the self-straightening type is used to guide a web of thin material which is transferred between two machine elements that have relative motion to each other. The structure is applied to a ribbon supply an...
09/13/1977
4047607Articulated ribbon-guiding structure
A frame-supported ribbon supply and take-up system for typewriters and teleprinters of the type having a carriage-transported printing device. The system incorporates an articulated ribbon-guiding structure connected between the ribbon supply and take-up ...
09/13/1977
4010839Cartridge for a ribbon of a typewriter or like office machines
A cartridge for a carbon ribbon of an office machine, comprises a container in which are rotatable a feed spool and a take-up for the carbon ribbon. The carbon ribbon passes from the feed spool out of a first aperture and back into the container through a...
03/08/1977
3976183Typewriter ribbon supply adapter for replaceable ribbons
An adapter permits replaceable inked ribbons to be used in a typewriter that is constructed to receive ribbon cartridges. Such a typewriter has means to removably retain a cartridge in place, and the adapter has a base plate that is engaged by said means....
08/24/1976
 
Sign InRegister
Username  
Password   
forgot password?