TREA

Construction of hammer body or tip

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  • CPC
  • B41J9/133
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B41Printing, stamps B41JTYPEWRITERS SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS B41J9/00Hammer-impression mechanisms

Current Industry

B41J9/133Construction of hammer body or tip
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Printer hammer tip and method for making
    • Patent number 6,437,280
    • Issue date Aug 20, 2002
    • Printronix, Inc.
    • Rohit Sharma
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Printer hammerspring
    • Patent number 5,335,999
    • Issue date Aug 9, 1994
    • Printronix, Inc.
    • Norman E. Farb
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print hammers of printing head in dot line printer
    • Patent number 5,118,210
    • Issue date Jun 2, 1992
    • Hitachi Koki Co., Ltd.
    • Hirotaka Kobayashi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printing hammer device
    • Patent number 4,974,976
    • Issue date Dec 4, 1990
    • Brother Kogyo Kabushiki Kaisha
    • Masutaro Katsu
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Unitary spring armature for a dot matrix printer
    • Patent number 4,771,689
    • Issue date Sep 20, 1988
    • Dataproducts Corporation
    • Aram S. Arzoumanian
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Dual pitch impact printer
    • Patent number 4,759,647
    • Issue date Jul 26, 1988
    • International Business Machines Corporation
    • Edward F. Helinski
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Hammer unit for printers
    • Patent number 4,721,400
    • Issue date Jan 26, 1988
    • Fuji System Machines Co., Ltd.
    • Notsu Risei
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electromagnetic ram actuator
    • Patent number 4,527,139
    • Issue date Jul 2, 1985
    • International Business Machines Corporation
    • Armin Bohg
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Solenoid actuated pivotal printer hammer mechanism
    • Patent number 4,525,086
    • Issue date Jun 25, 1985
    • International Business Machines Corporation
    • Thomas R. Field
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print hammer assembly method
    • Patent number 4,524,259
    • Issue date Jun 18, 1985
    • Dataproducts Corporation
    • Peter H. Wolf
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Single piece hammer module
    • Patent number 4,503,768
    • Issue date Mar 12, 1985
    • Mannesmann Tally Corporation
    • C. Gordon Whitaker
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Cross hammer dot printer
    • Patent number 4,462,705
    • Issue date Jul 31, 1984
    • Seikosha Co., Ltd.
    • Mikio Hayashi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Pushrod for high speed
    • Patent number 4,442,770
    • Issue date Apr 17, 1984
    • U.S. Terminals, Inc.
    • Hilliard Dozier
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printwheel detent
    • Patent number 4,427,312
    • Issue date Jan 24, 1984
    • International Business Machines Corporation
    • William L. Dollenmayer
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Magnetic circuit and print hammer
    • Patent number 4,423,675
    • Issue date Jan 3, 1984
    • Hewlett-Packard Company
    • Zong S. Luo
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Solenoid-type hammer assembly for impact printer
    • Patent number 4,422,784
    • Issue date Dec 27, 1983
    • Dataproducts Corporation
    • Aram S. Arzoumanian
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Type carrier for use in impact-type printing machines
    • Patent number 4,416,556
    • Issue date Nov 22, 1983
    • Ricoh Company, Ltd.
    • Nobuo Iwata
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electromagnetic ram actuator
    • Patent number 4,412,197
    • Issue date Oct 25, 1983
    • International Business Machines Corporation
    • Armin Bohg
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Flag strip for use in print hammers
    • Patent number 4,362,787
    • Issue date Dec 7, 1982
    • Dataproducts Corporation
    • Val K. Jezbera
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Moving coil type printing head
    • Patent number 4,362,405
    • Issue date Dec 7, 1982
    • Seikosha Co., Ltd.
    • Yoshiaki Ikeda
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print hammer for high speed impact printer
    • Patent number 4,319,849
    • Issue date Mar 16, 1982
    • International Business Machines Corporation
    • William L. Dollenmayer
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print hammer in dot printer
    • Patent number 4,304,495
    • Issue date Dec 8, 1981
    • Pilot Man-Nen-Hitsu Kabushiki Kaisha
    • Shiyoji Wada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print hammer assembly method
    • Patent number 4,269,118
    • Issue date May 26, 1981
    • Dataproducts Corporation
    • Val K. Jezbera
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Electro-magnetic print hammer
    • Patent number 4,269,117
    • Issue date May 26, 1981
    • International Business Machines Corporation
    • Ho C. Lee
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Hammer support for rotary printing apparatus
    • Patent number 4,236,842
    • Issue date Dec 2, 1980
    • A. B. Dick Company
    • George H. Dick
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print hammer for line printer
    • Patent number 4,196,667
    • Issue date Apr 8, 1980
    • Kabushiki Kaisha Suwa Seikosha
    • Akio Mitsuishi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print hammer for type printers
    • Patent number 4,141,290
    • Issue date Feb 27, 1979
    • International Business Machines Corporation
    • Werner Hasler
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Concave impact print hammers
    • Patent number 4,134,337
    • Issue date Jan 16, 1979
    • Dataproducts Corporation
    • Aram S. Arzoumanian
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method of making a printing hammer unit
    • Patent number 4,044,455
    • Issue date Aug 30, 1977
    • Canon Kabushiki Kaisha
    • Satoshi Watanabe
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Hammer assembly
    • Patent number 4,037,532
    • Issue date Jul 26, 1977
    • Xerox Corporation
    • Mario G. Plaza
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS