Patents
Sitemap › B41 - Printing; Lining machines; Typewriters; Stamps › B41J - Typewriters; Selective printing mechanisms, i.e. mechanisms printing otherwise than from a forme; Correction of typographical errors › B41J 23 - Power drives for actions or mechanisms
Patents for B41J 23 - Power drives for actions or mechanisms (1,871)
04/1990
04/04/1990EP0361915A2 Drive mechanism for use in a printer
02/1990
02/20/1990US4902148 Typewriter with a print wheel and hammer driven by one motor
02/14/1990EP0354815A2 Improvements relating to printing systems
12/1989
12/20/1989CN1006145B Electromagnetic hammer actuator for impact printer
12/05/1989US4884909 Recording apparatus
10/1989
10/04/1989CN1035984A Switching mechanism of paper holding of printer
08/1989
08/29/1989US4861174 Device for driving print member of printer
08/02/1989EP0326168A2 Switching mechanism of paper holding roller of a printer
08/01/1989US4853712 Sheet feed system for conpact printer
05/1989
05/23/1989US4832517 Printing apparatus with a type wheel
04/1989
04/18/1989US4822186 Carriage mechanism for thermal printer
04/13/1989DE3732853A1 Switching device dependent on the direction of rotation
01/1989
01/24/1989US4799813 Coupling, especially for an apparatus for feeding recording carriers to the platen of an office machine and apparatus with such couplings
01/10/1989US4797689 Ultrasonic vibration driving type thermal printer
11/1988
11/29/1988US4787762 Power transmission apparatus
11/29/1988US4787761 Miniature printer
10/1988
10/18/1988US4778294 Printer
10/04/1988US4775869 Thermal transfer printer including single reversible motor for printing
09/1988
09/27/1988CA1242385A1 Printer apparatus and cutting mechanism
07/1988
07/27/1988EP0181876B1 Drive system for different functions in typewriters or printing machines of similar design, based on the use of an electric motor
07/19/1988US4758845 Thermal printer carriage-medium transport
07/13/1988EP0274266A2 Motor drive transmissions for a recording apparatus
06/1988
06/21/1988US4752786 Single motor multi-function drive control recorder
05/1988
05/31/1988US4747708 Selector device for a character-carrying element on printing machine
05/24/1988US4746236 Printer with a motor controlled by chopping means
05/11/1988EP0090859B1 Keyboard actuator
05/10/1988US4743128 Print hammer solenoid conditioned single solenoid ribbon and tape feed system
04/1988
04/26/1988US4740095 Printer
03/1988
03/22/1988US4733250 Recording apparatus
12/1987
12/29/1987US4716419 Thermal transfer printer
12/03/1987DE3618371A1 Device for transporting a type carrier carriage and a recording medium on typewriters or office machines of similar design
11/1987
11/17/1987US4707154 Printer
05/1987
05/27/1987EP0223036A2 Coupling for a paper feed mechanism in an office machine, and device using the same
05/27/1987CN86104546A Electromagnetic hammer actuator for impact printer
05/12/1987US4663982 Governor device for printer
03/1987
03/31/1987US4653939 Thermal printer
03/17/1987US4651165 Recorder
03/10/1987US4649437 Picture image forming apparatus
12/1986
12/30/1986EP0206477A1 Selector device for a character-carrying element of printing machines
11/1986
11/25/1986US4625218 Drive mechanism for thermal transfer type line recorder
07/1986
07/29/1986US4602561 For an impact printer
07/02/1986EP0186212A2 Printer with a motor controlled by chopping means
05/1986
05/28/1986EP0182006A1 Thermal transfer printer
05/28/1986EP0181876A1 Drive system for different functions in typewriters or printing machines of similar design, based on the use of an electric motor.
05/27/1986US4591882 Printer electromagnetic clutch drive
04/1986
04/08/1986US4580917 Paper feed apparatus for printer
02/1986
02/04/1986US4568208 Printer
12/1985
12/31/1985US4561791 Alternate ribbon feed mechanism for fabric and carbon ribbon cassettes
11/1985
11/21/1985WO1985005076A1 Drive system for different functions in typewriters or printing machines of similar design, based on the use of an electric motor
11/05/1985US4551033 Serial electric printer using single unidirectional motor
10/1985
10/01/1985US4544293 Printer apparatus and cutting mechanism
09/1985
09/03/1985US4538931 Drive mechanism including a one-way spring clutch for a typewriter
08/1985
08/06/1985CA1191472A1 Character selection and escapement system for serial impact printer
04/1985
04/23/1985US4512675 Serial printer
04/11/1985EP0090859A4 Keyboard actuator.
04/09/1985US4509872 Character selecting and inked ribbon feeding mechanism for a serial printer
02/1985
02/19/1985US4500892 Serial thermal printer
02/12/1985US4498792 Printing and/or correcting device for printing machines
11/1984
11/27/1984US4484520 Compact printer with clutch
09/1984
09/04/1984US4469461 Low profile keyboard actuator
07/1984
07/31/1984US4462707 Printing and/or correcting device for printing machines
07/10/1984US4459054 Shared character selection, escapement and line advance system for serial printer
07/10/1984CA1170600A1 Printing apparatus
06/1984
06/26/1984US4455936 Printer system with alternate type belt and print hammer power control
06/19/1984CA1169377A1 Serial printer
05/1984
05/22/1984CA1167795A1 Torque-limiting carriage return knock-off mechanism
05/08/1984US4447781 Magnetoresistive transducer apparatus
05/02/1984EP0107169A2 Character selecting and inked ribbon feeding mechanism for a serial printer
04/1984
04/17/1984US4443124 Printer with electromagnetically driven hammer
04/17/1984US4443123 Small serial printer
03/1984
03/20/1984US4437777 Printer having plural type wheel assembly
03/13/1984US4436440 Shiftable daisy wheel printer
01/1984
01/24/1984US4427314 Speed controlled printer
01/03/1984US4423974 Drive coupling for ribbon mechanism in typewriters and similar machines
01/03/1984US4423972 Serial printer
11/1983
11/29/1983CA1157955A1 Portable printing electronic calculator
11/15/1983US4414893 Serial printer
10/1983
10/18/1983US4410289 Serial printer
10/12/1983EP0090859A1 Keyboard actuator.
10/04/1983US4407592 Power-operated typewriter
09/1983
09/20/1983CA1153977A1 Printer
07/1983
07/27/1983EP0084105A1 Character selection and escapement system for serial impact printer
07/19/1983US4393769 Electrostatic clutch-operated printing mechanism
07/12/1983US4392757 Backlash and runout compensator for lead screw drives
07/12/1983CA1149669A1 Printing control system
07/05/1983CA1149315A1 Printing and/or correcting device for printing machines
06/1983
06/28/1983US4390293 Electronic typewriter
06/21/1983US4389605 Pulse motor driving apparatus
06/21/1983US4389131 Printer with electromagnetic drive yokes
06/07/1983US4386564 Serial printer
05/1983
05/31/1983CA1147201A1 Type setting device for printers
05/17/1983US4383778 Typewriter
05/17/1983US4383777 Torque-limiting carriage return knock-off mechanism
05/10/1983CA1145975A1 Mechanical drive apparatus for printers
04/1983
04/28/1983WO1983001417A1 Keyboard actuator
04/19/1983US4380195 Type setting device for printers
04/05/1983US4378733 Embossing drive mechanism for an automatic embossing system
03/1983
03/15/1983CA1143034A1 Low profile keyboard actuator
02/1983
02/15/1983US4374386 Force-temperature stabilization of an electromagnetic device
02/08/1983US4372694 Electronic pocket calculator
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