CA1136198A - Mecanisme de frappe sans ressort pour tete d'imprimante - Google Patents

Mecanisme de frappe sans ressort pour tete d'imprimante

Info

Publication number
CA1136198A
CA1136198A CA000347658A CA347658A CA1136198A CA 1136198 A CA1136198 A CA 1136198A CA 000347658 A CA000347658 A CA 000347658A CA 347658 A CA347658 A CA 347658A CA 1136198 A CA1136198 A CA 1136198A
Authority
CA
Canada
Prior art keywords
armature
electromagnet
permanent magnet
invention according
magnetic material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000347658A
Other languages
English (en)
Inventor
Robert W. Kulterman
Joseph E. Lisinski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1136198A publication Critical patent/CA1136198A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/27—Actuators for print wires
    • B41J2/285—Actuators for print wires of plunger type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Impact Printers (AREA)
  • Electromagnets (AREA)
  • Coating With Molten Metal (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
CA000347658A 1979-05-29 1980-03-14 Mecanisme de frappe sans ressort pour tete d'imprimante Expired CA1136198A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4318379A 1979-05-29 1979-05-29
US043,183 1979-05-29

Publications (1)

Publication Number Publication Date
CA1136198A true CA1136198A (fr) 1982-11-23

Family

ID=21925911

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000347658A Expired CA1136198A (fr) 1979-05-29 1980-03-14 Mecanisme de frappe sans ressort pour tete d'imprimante

Country Status (8)

Country Link
EP (1) EP0019706B1 (fr)
JP (1) JPS55161673A (fr)
AU (1) AU529042B2 (fr)
BR (1) BR8003344A (fr)
CA (1) CA1136198A (fr)
DE (1) DE3064880D1 (fr)
ES (1) ES8103411A1 (fr)
IT (1) IT1151029B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03126970A (ja) * 1989-10-12 1991-05-30 Masanobu Nakamura 複写機用ロールおよびその製造方法
US5793392A (en) * 1995-06-13 1998-08-11 Tschida; Mark J. Printing apparatus and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2126491A5 (fr) * 1971-02-08 1972-10-06 Burroughs Corp
FR2228619B3 (fr) * 1973-05-10 1977-03-11 Lrc Inc
DE2614004A1 (de) * 1975-04-16 1976-10-28 Bridon Engineering Ltd Betaetigungsvorrichtung
JPS5239414A (en) * 1975-09-25 1977-03-26 Oki Electric Ind Co Ltd Type solenoid

Also Published As

Publication number Publication date
IT8020721A1 (it) 1982-06-18
ES491905A0 (es) 1981-02-16
BR8003344A (pt) 1980-12-30
IT1151029B (it) 1986-12-17
DE3064880D1 (en) 1983-10-27
ES8103411A1 (es) 1981-02-16
AU529042B2 (en) 1983-05-26
JPS6122638B2 (fr) 1986-06-02
AU5813980A (en) 1980-12-04
IT8020721A0 (it) 1980-03-18
JPS55161673A (en) 1980-12-16
EP0019706A1 (fr) 1980-12-10
EP0019706B1 (fr) 1983-09-21

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Legal Events

Date Code Title Description
MKEX Expiry