CA1216772A - Print hammer mechanism having intermediate pivot fulcrum - Google Patents

Print hammer mechanism having intermediate pivot fulcrum

Info

Publication number
CA1216772A
CA1216772A CA000432744A CA432744A CA1216772A CA 1216772 A CA1216772 A CA 1216772A CA 000432744 A CA000432744 A CA 000432744A CA 432744 A CA432744 A CA 432744A CA 1216772 A CA1216772 A CA 1216772A
Authority
CA
Canada
Prior art keywords
hammer
hammer element
magnetic
pole
spring
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
CA000432744A
Other languages
English (en)
French (fr)
Inventor
Norman E. Farb
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.)
Printronix LLC
Original Assignee
Printronix LLC
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 Printronix LLC filed Critical Printronix LLC
Application granted granted Critical
Publication of CA1216772A publication Critical patent/CA1216772A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J9/00Hammer-impression mechanisms
    • B41J9/02Hammers; Arrangements thereof
    • B41J9/127Mounting of hammers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J9/00Hammer-impression mechanisms
    • B41J9/26Means for operating hammers to effect impression
    • B41J9/36Means for operating hammers to effect impression in which mechanical power is applied under electromagnetic control

Landscapes

  • Impact Printers (AREA)
CA000432744A 1982-08-06 1983-07-19 Print hammer mechanism having intermediate pivot fulcrum Expired CA1216772A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40603582A 1982-08-06 1982-08-06
US406,035 1989-09-12

Publications (1)

Publication Number Publication Date
CA1216772A true CA1216772A (en) 1987-01-20

Family

ID=23606288

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000432744A Expired CA1216772A (en) 1982-08-06 1983-07-19 Print hammer mechanism having intermediate pivot fulcrum

Country Status (5)

Country Link
JP (1) JPS5948168A (enrdf_load_html_response)
CA (1) CA1216772A (enrdf_load_html_response)
DE (1) DE3328065A1 (enrdf_load_html_response)
FR (1) FR2531379B1 (enrdf_load_html_response)
GB (1) GB2126168B (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE457243B (sv) * 1986-06-18 1988-12-12 Philips Norden Ab Naaltryckhuvud
JPH0742822Y2 (ja) * 1987-07-20 1995-10-04 サンデン株式会社 自動車用空調装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3460469A (en) * 1966-12-30 1969-08-12 Ibm Print hammer actuator
US3672482A (en) * 1970-08-31 1972-06-27 Ibm Wire matrix print head
US3941051A (en) * 1974-08-08 1976-03-02 Printronix, Inc. Printer system
US4233894A (en) * 1978-06-02 1980-11-18 Printronix, Inc. Print hammer mechanism having dual pole pieces
US4258623A (en) * 1979-01-30 1981-03-31 Printronix, Inc. Print hammer mechanism having dual electromagnetic coils and pole pieces

Also Published As

Publication number Publication date
GB2126168A (en) 1984-03-21
DE3328065A1 (de) 1984-02-09
DE3328065C2 (enrdf_load_html_response) 1987-06-25
GB2126168B (en) 1985-11-06
JPS5948168A (ja) 1984-03-19
FR2531379A1 (fr) 1984-02-10
FR2531379B1 (fr) 1987-08-28
JPH0114032B2 (enrdf_load_html_response) 1989-03-09
GB8320281D0 (en) 1983-09-01

Similar Documents

Publication Publication Date Title
CA1129246A (en) Print hammer mechanism having dual pole pieces
US4674896A (en) Printing mechanism for an impact matrix printer
CA1216772A (en) Print hammer mechanism having intermediate pivot fulcrum
EP0028539B1 (en) Print hammer assembly
US3195453A (en) Magnetically actuated print hammer
US4498388A (en) Print hammer mechanism having intermediate pivot fulcrum
CA1096234A (en) Wear minimizing means for printing mechanism
US4790674A (en) Impact printer having wear-resistant platings on hammer springs and pole piece tips
EP0247621B1 (en) Dot print head
US4327639A (en) Print hammer assembly with multi-location impacts
US4324497A (en) Print hammer assembly with amplified multi-location impacts
US4974975A (en) Armature of printing head for use in wire printer
EP0383555B1 (en) Impact dot head for a printer
US4584937A (en) Long release coil hammer actuating mechanism
JPH0121802Y2 (enrdf_load_html_response)
JP4069353B2 (ja) ドットラインプリンタ
US4839621A (en) Electromagnetic actuator having improved dampening means
JPH0121801Y2 (enrdf_load_html_response)
JP2716367B2 (ja) 印字ヘッド
US4626116A (en) Head for wire dot printer
JP3964942B2 (ja) ハンマ機構部
JPH0123812Y2 (enrdf_load_html_response)
JPS58215364A (ja) 印字ヘツド
JPS60109860A (ja) プリンタの印字ハンマ
JPH047970Y2 (enrdf_load_html_response)

Legal Events

Date Code Title Description
MKEX Expiry