GB1331212A - Electromagnetic actuator - Google Patents

Electromagnetic actuator

Info

Publication number
GB1331212A
GB1331212A GB1441972A GB1331212DA GB1331212A GB 1331212 A GB1331212 A GB 1331212A GB 1441972 A GB1441972 A GB 1441972A GB 1331212D A GB1331212D A GB 1331212DA GB 1331212 A GB1331212 A GB 1331212A
Authority
GB
United Kingdom
Prior art keywords
armature
operating
magnet
leg
face
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
GB1441972A
Other languages
English (en)
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
Publication of GB1331212A publication Critical patent/GB1331212A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • 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
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Impact Printers (AREA)
  • Electromagnets (AREA)
GB1441972A 1971-04-15 1971-04-15 Electromagnetic actuator Expired GB1331212A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13417671A 1971-04-15 1971-04-15

Publications (1)

Publication Number Publication Date
GB1331212A true GB1331212A (en) 1973-09-26

Family

ID=22462105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1441972A Expired GB1331212A (en) 1971-04-15 1971-04-15 Electromagnetic actuator

Country Status (7)

Country Link
US (1) US3705370A (enExample)
JP (1) JPS536695B1 (enExample)
CA (1) CA948256A (enExample)
DE (1) DE2215014A1 (enExample)
FR (1) FR2136042A5 (enExample)
GB (1) GB1331212A (enExample)
IT (1) IT946987B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118781A (en) * 1982-03-08 1983-11-02 Hewlett Packard Co Electromagnetically actuated impact printing devices

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2250315A5 (enExample) * 1973-11-06 1975-05-30 Honeywell Bull Soc Ind
US4392423A (en) * 1978-02-08 1983-07-12 Hitachi, Ltd. Printing hammer driving apparatus
JPS5536969A (en) * 1978-09-07 1980-03-14 Canon Inc Electromagnetic device
US4269117A (en) * 1979-07-11 1981-05-26 International Business Machines Corporation Electro-magnetic print hammer
US4522122A (en) * 1983-05-03 1985-06-11 Ncr Canada Ltd - Ncr Canada Ltee Fast impact hammer for high speed printer
US4493253A (en) * 1983-11-23 1985-01-15 Ncr Canada Ltd. Variable impact printing means
US4852481A (en) * 1988-07-14 1989-08-01 L. James Hubbard Print hammer mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118781A (en) * 1982-03-08 1983-11-02 Hewlett Packard Co Electromagnetically actuated impact printing devices

Also Published As

Publication number Publication date
US3705370A (en) 1972-12-05
DE2215014A1 (de) 1972-10-26
CA948256A (en) 1974-05-28
FR2136042A5 (enExample) 1972-12-22
IT946987B (it) 1973-05-21
JPS536695B1 (enExample) 1978-03-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee