CA948255A - Magnetically restorable high speed print hammer - Google Patents

Magnetically restorable high speed print hammer

Info

Publication number
CA948255A
CA948255A CA139,560A CA139560A CA948255A CA 948255 A CA948255 A CA 948255A CA 139560 A CA139560 A CA 139560A CA 948255 A CA948255 A CA 948255A
Authority
CA
Canada
Prior art keywords
restorable
magnetically
high speed
print hammer
speed print
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
CA139,560A
Other languages
English (en)
Other versions
CA139560S (en
Inventor
Francis E. Peters
Carl T. Young
Joseph P. Pawletko
John D. Kroft
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 CA948255A publication Critical patent/CA948255A/en
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
    • H01F7/14—Pivoting armatures
    • 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
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/26—Means for operating hammers to effect impression
    • B41J9/38—Electromagnetic means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F2029/143—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias with control winding for generating magnetic bias

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
  • Impact Printers (AREA)
CA139,560A 1971-04-15 1972-04-12 Magnetically restorable high speed print hammer Expired CA948255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13425471A 1971-04-15 1971-04-15

Publications (1)

Publication Number Publication Date
CA948255A true CA948255A (en) 1974-05-28

Family

ID=22462489

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,560A Expired CA948255A (en) 1971-04-15 1972-04-12 Magnetically restorable high speed print hammer

Country Status (7)

Country Link
US (1) US3711804A (Direct)
JP (1) JPS5250383B1 (Direct)
CA (1) CA948255A (Direct)
DE (1) DE2217108C3 (Direct)
FR (1) FR2133606B1 (Direct)
GB (1) GB1331211A (Direct)
IT (1) IT947885B (Direct)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221163A (en) * 1978-09-01 1980-09-09 Ncr Corporation Magnetic hysteresis driven recording element and method
US4269117A (en) * 1979-07-11 1981-05-26 International Business Machines Corporation Electro-magnetic print hammer
KR102765974B1 (ko) * 2022-12-30 2025-02-11 주식회사 엠에스 오토텍 실러 도포장치

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL136900C (Direct) * 1963-03-28 Ibm
DE1237816B (de) * 1963-08-24 1967-03-30 Ibm Deutschland Druckhammerantrieb fuer Schnelldrucker
US3305809A (en) * 1964-09-23 1967-02-21 Mac Valves Inc Solenoid with swingable armature
FR1501069A (fr) * 1965-09-30 1967-11-10 Olivetti General Electric Spa Module d'impression pour imprimante à grande vitesse
GB1179419A (en) * 1966-10-14 1970-01-28 Int Computers Ltd Flying Hammer Solenoid Systems for High Speed Printers
FR1543794A (fr) * 1966-12-30 Ibm Système d'entraînement pour un marteau d'impression
DE1613163A1 (de) * 1967-04-12 1970-05-21 Ibm Deutschland Vorrichtung fuer den Antrieb eines Gliedes mit umkehrbarer Bewegungsrichtung
FR1594281A (Direct) * 1967-12-23 1970-06-01
US3609609A (en) * 1968-03-05 1971-09-28 Gen Electric Information Syste High-speed electromagnet

Also Published As

Publication number Publication date
DE2217108C3 (de) 1981-07-16
FR2133606B1 (Direct) 1975-08-29
IT947885B (it) 1973-05-30
JPS5250383B1 (Direct) 1977-12-23
DE2217108B2 (de) 1980-10-02
GB1331211A (en) 1973-09-26
US3711804A (en) 1973-01-16
DE2217108A1 (de) 1972-10-26
FR2133606A1 (Direct) 1972-12-01

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