JPS57173187A - Head feeding mechanism for printer - Google Patents

Head feeding mechanism for printer

Info

Publication number
JPS57173187A
JPS57173187A JP7453281A JP7453281A JPS57173187A JP S57173187 A JPS57173187 A JP S57173187A JP 7453281 A JP7453281 A JP 7453281A JP 7453281 A JP7453281 A JP 7453281A JP S57173187 A JPS57173187 A JP S57173187A
Authority
JP
Japan
Prior art keywords
cam
path
rotations
involved
recess
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.)
Pending
Application number
JP7453281A
Other languages
Japanese (ja)
Inventor
Haruhiko Koto
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.)
SHINSHIYUU SEIKI KK
Seiko Epson Corp
Suwa Seikosha KK
Epson Corp
Original Assignee
SHINSHIYUU SEIKI KK
Seiko Epson Corp
Suwa Seikosha KK
Epson 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 SHINSHIYUU SEIKI KK, Seiko Epson Corp, Suwa Seikosha KK, Epson Corp filed Critical SHINSHIYUU SEIKI KK
Priority to JP7453281A priority Critical patent/JPS57173187A/en
Publication of JPS57173187A publication Critical patent/JPS57173187A/en
Pending 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
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
    • B41J19/20—Positive-feed character-spacing mechanisms
    • B41J19/202—Drive control means for carriage movement

Landscapes

  • Character Spaces And Line Spaces In Printers (AREA)
  • Transmission Devices (AREA)

Abstract

PURPOSE:To shorten a time, accepted in an inbound path, without enlarging of a device, and to increase the number of printing lines per unit time, by a method wherein, in a head feeding mechanism employing a cylindrical cam, the number of rotations of a cam, involved in an outbound path, is set so as to be larger than the number of rotations involved in an inbound path. CONSTITUTION:A hook part 12 of a cam follower 11, rotably attached to a holding member 7 of a printing head 6, engages a cam recess 10 in a cylindrical cam 9, and a printing head 6 performs a reciprocating movement along a guide shaft 8 through rotation of the cylindrical cam 9. Then, the cam lead of the cam recess 10 is set so as to form an accelerating and decelerating section 13 of an outbound path, an equal speed section 14 of an outbound path (at a printing time), and an accelerating and decelerating section 15 of an inbound path, and the number of rotations, invloced in the outbound path, is set so as to be larger than the number of revolutions involved in the inbound path. Additionally, the hook part 12 is formed so that a rotary movement in the cam recess 10 is regulated, and the cam follower at the cross part of the cam recess 10 always advances in a specified direction.
JP7453281A 1981-05-18 1981-05-18 Head feeding mechanism for printer Pending JPS57173187A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7453281A JPS57173187A (en) 1981-05-18 1981-05-18 Head feeding mechanism for printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7453281A JPS57173187A (en) 1981-05-18 1981-05-18 Head feeding mechanism for printer

Publications (1)

Publication Number Publication Date
JPS57173187A true JPS57173187A (en) 1982-10-25

Family

ID=13549995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7453281A Pending JPS57173187A (en) 1981-05-18 1981-05-18 Head feeding mechanism for printer

Country Status (1)

Country Link
JP (1) JPS57173187A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0211350A (en) * 1988-04-29 1990-01-16 Polaroid Corp Electronic picture printer
JPH04189574A (en) * 1990-11-26 1992-07-08 Kanekichi Kikuta High-speed circular motion-linear motion converter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4926657A (en) * 1972-06-12 1974-03-09
JPS5211370A (en) * 1975-07-08 1977-01-28 Poulsen Peder Ulrik Mechanism for convertion between rotary and translation motion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4926657A (en) * 1972-06-12 1974-03-09
JPS5211370A (en) * 1975-07-08 1977-01-28 Poulsen Peder Ulrik Mechanism for convertion between rotary and translation motion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0211350A (en) * 1988-04-29 1990-01-16 Polaroid Corp Electronic picture printer
JPH04189574A (en) * 1990-11-26 1992-07-08 Kanekichi Kikuta High-speed circular motion-linear motion converter

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