CA1094882A - Print hammer for type printers - Google Patents

Print hammer for type printers

Info

Publication number
CA1094882A
CA1094882A CA281,508A CA281508A CA1094882A CA 1094882 A CA1094882 A CA 1094882A CA 281508 A CA281508 A CA 281508A CA 1094882 A CA1094882 A CA 1094882A
Authority
CA
Canada
Prior art keywords
lever
arm
lever arm
pivot
stop
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
CA281,508A
Other languages
English (en)
French (fr)
Inventor
Werner Hasler
Subramaniam Padmanabhan
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 CA1094882A publication Critical patent/CA1094882A/en
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
    • B41J9/02—Hammers; Arrangements thereof
    • B41J9/133—Construction of hammer body or tip
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Impact Printers (AREA)
  • Common Mechanisms (AREA)
CA281,508A 1976-07-01 1977-06-28 Print hammer for type printers Expired CA1094882A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP2629592.1 1976-07-01
DE2629592A DE2629592C2 (de) 1976-07-01 1976-07-01 Druckhammer für Typendrucker

Publications (1)

Publication Number Publication Date
CA1094882A true CA1094882A (en) 1981-02-03

Family

ID=5981963

Family Applications (1)

Application Number Title Priority Date Filing Date
CA281,508A Expired CA1094882A (en) 1976-07-01 1977-06-28 Print hammer for type printers

Country Status (7)

Country Link
US (1) US4141290A (US20110009641A1-20110113-C00256.png)
JP (1) JPS536121A (US20110009641A1-20110113-C00256.png)
CA (1) CA1094882A (US20110009641A1-20110113-C00256.png)
DE (1) DE2629592C2 (US20110009641A1-20110113-C00256.png)
FR (1) FR2356517A1 (US20110009641A1-20110113-C00256.png)
GB (1) GB1540807A (US20110009641A1-20110113-C00256.png)
IT (1) IT1114108B (US20110009641A1-20110113-C00256.png)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5576151U (US20110009641A1-20110113-C00256.png) * 1978-11-20 1980-05-26
US4242004A (en) * 1979-03-21 1980-12-30 Extel Corporation Dot matrix printhead driver
CA1139988A (en) * 1979-07-23 1983-01-25 Sean K. O'brien Self-aligning spring actuator hammer mechanism
US4324497A (en) * 1979-11-05 1982-04-13 Xerox Corporation Print hammer assembly with amplified multi-location impacts
US4327639A (en) * 1979-11-05 1982-05-04 Xerox Corporation Print hammer assembly with multi-location impacts
US4319849A (en) * 1979-12-26 1982-03-16 International Business Machines Corporation Print hammer for high speed impact printer
JPS5934710U (ja) * 1982-08-30 1984-03-03 吉田工業株式会社 コンパクト容器
JPH0333283Y2 (US20110009641A1-20110113-C00256.png) * 1985-09-20 1991-07-15

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB674812A (en) * 1949-11-18 1952-07-02 Ncr Co Rebound dampening devices for printing hammers
GB948980A (en) * 1961-12-20 1964-02-05 Solartron Electronic Group Improvements relating to mechanical linkages to electro-magnets
GB1069932A (en) * 1962-10-25 1967-05-24 Scm Corp An electronically controlled printer
US3433153A (en) * 1967-12-29 1969-03-18 Ibm Printer with swiveling pushrods
US3504623A (en) * 1968-04-03 1970-04-07 Itt Hammer arrangement for high-speed printers
DE1921933C3 (de) * 1968-04-30 1982-04-08 Kabushiki Kaisha Suwa Seikosha, Tokyo Schnelldrucker
US3587456A (en) * 1969-01-15 1971-06-28 Klaus H Jaensch High speed print hammer construction
DE1946816C3 (de) * 1969-09-16 1975-11-06 Ibm Deutschland Gmbh, 7000 Stuttgart Drucker mit mehreren Druckspalten zugeordneten Druckhämmern
JPS5254412Y2 (US20110009641A1-20110113-C00256.png) * 1972-04-19 1977-12-09
US3919933A (en) * 1973-10-05 1975-11-18 Potter Instrument Co Inc High speed printer
US3996852A (en) * 1973-12-20 1976-12-14 Copal Company Limited Line printer

Also Published As

Publication number Publication date
IT1114108B (it) 1986-01-27
FR2356517A1 (fr) 1978-01-27
GB1540807A (en) 1979-02-14
JPS536121A (en) 1978-01-20
FR2356517B1 (US20110009641A1-20110113-C00256.png) 1980-02-08
DE2629592C2 (de) 1986-04-17
US4141290A (en) 1979-02-27
DE2629592A1 (de) 1978-01-12
JPS5648308B2 (US20110009641A1-20110113-C00256.png) 1981-11-14

Similar Documents

Publication Publication Date Title
US3929214A (en) Wire matrix ballistic impact print head
US4547086A (en) Piezoelectrically driven printing mechanism for dot matrix printers
CA1129246A (en) Print hammer mechanism having dual pole pieces
CA1094882A (en) Print hammer for type printers
US3090297A (en) Mechanical apparatus
US3804009A (en) Spring-driven printing hammer arrangement
US3177803A (en) Print hammer module and control block therefor
US3199650A (en) Hammer with dampening means for high speed printer
US3980169A (en) Impact control for single element printer
US2353057A (en) Printing mechanism
US4189997A (en) Printer
EP0065620B1 (en) Self restoring pivoting means and print hammer using same
JPS6063173A (ja) 位置帰還制御機能を備えた双方向駆動型プリンタアクチユエ−タ
CA1130747A (en) Key mechanism having a snap action
US4297944A (en) Print hammer driving means for impact printers
US3493091A (en) Print head shift mechanism
JPS61501383A (ja) プリンタ−
US3941052A (en) Print hammer apparatus with angularly disposed mating hammer and pole faces to prevent contact bounce
US3187668A (en) Hammer suspension for high speed printer
US3763987A (en) Line spacing device for typewriters
EP0171526B1 (en) Backstop and damping apparatus for actuator
EP0023153A1 (en) Print hammer mechanism
JPS5843884B2 (ja) 電磁石
US4854753A (en) Printer
US3760926A (en) Free flight print system for a serial printer

Legal Events

Date Code Title Description
MKEX Expiry