CA1139988A - Mecanisme de frappe a commande par ressort auto-aligneur - Google Patents

Mecanisme de frappe a commande par ressort auto-aligneur

Info

Publication number
CA1139988A
CA1139988A CA000353602A CA353602A CA1139988A CA 1139988 A CA1139988 A CA 1139988A CA 000353602 A CA000353602 A CA 000353602A CA 353602 A CA353602 A CA 353602A CA 1139988 A CA1139988 A CA 1139988A
Authority
CA
Canada
Prior art keywords
arm
hammer
armature
support member
arm portion
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
CA000353602A
Other languages
English (en)
Inventor
Sean K. O'brien
Thomas A. Davenport
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.)
NCR Canada Ltd
Original Assignee
NCR Canada Ltd
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 NCR Canada Ltd filed Critical NCR Canada Ltd
Application granted granted Critical
Publication of CA1139988A publication Critical patent/CA1139988A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B41J9/02—Hammers; Arrangements thereof
    • B41J9/127—Mounting of hammers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Impact Printers (AREA)
CA000353602A 1979-07-23 1980-06-09 Mecanisme de frappe a commande par ressort auto-aligneur Expired CA1139988A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5987279A 1979-07-23 1979-07-23
US059,872 1979-07-23

Publications (1)

Publication Number Publication Date
CA1139988A true CA1139988A (fr) 1983-01-25

Family

ID=22025843

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000353602A Expired CA1139988A (fr) 1979-07-23 1980-06-09 Mecanisme de frappe a commande par ressort auto-aligneur

Country Status (3)

Country Link
EP (1) EP0023153A1 (fr)
JP (1) JPS5617279A (fr)
CA (1) CA1139988A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4522122A (en) * 1983-05-03 1985-06-11 Ncr Canada Ltd - Ncr Canada Ltee Fast impact hammer for high speed printer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3504623A (en) * 1968-04-03 1970-04-07 Itt Hammer arrangement for high-speed printers
US3749008A (en) * 1971-02-04 1973-07-31 Ibm Print hammer assembly
DE2629592C2 (de) * 1976-07-01 1986-04-17 Ibm Deutschland Gmbh, 7000 Stuttgart Druckhammer für Typendrucker

Also Published As

Publication number Publication date
EP0023153A1 (fr) 1981-01-28
JPS5617279A (en) 1981-02-19

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Legal Events

Date Code Title Description
MKEX Expiry