GB823138A - Back spacing mechanism of a typewriter having variable proportional letter feed - Google Patents

Back spacing mechanism of a typewriter having variable proportional letter feed

Info

Publication number
GB823138A
GB823138A GB879556A GB879556A GB823138A GB 823138 A GB823138 A GB 823138A GB 879556 A GB879556 A GB 879556A GB 879556 A GB879556 A GB 879556A GB 823138 A GB823138 A GB 823138A
Authority
GB
United Kingdom
Prior art keywords
typewriter
spacing mechanism
back spacing
variable proportional
letter feed
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
GB879556A
Inventor
John Toggenburger
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.)
Underwood Corp
Original Assignee
Underwood 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 Underwood Corp filed Critical Underwood Corp
Priority to GB879556A priority Critical patent/GB823138A/en
Publication of GB823138A publication Critical patent/GB823138A/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
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
    • B41J19/60—Auxiliary feed or adjustment devices

Landscapes

  • Character Spaces And Line Spaces In Printers (AREA)
  • Advancing Webs (AREA)

Abstract

823,138. Typewriters. UNDERWOOD CORPORATION. March 21, 1956, No. 8795/56. Drawings to Specification. Class 100(4) The subject-matter of this Specification is identical with that described in Specification 823,136 except that it also discloses the use of a straight escapement rack, and is identical with that described in Specifications 823,137, 823,139 and 823,140, but the claims differ.
GB879556A 1956-03-21 1956-03-21 Back spacing mechanism of a typewriter having variable proportional letter feed Expired GB823138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB879556A GB823138A (en) 1956-03-21 1956-03-21 Back spacing mechanism of a typewriter having variable proportional letter feed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB879556A GB823138A (en) 1956-03-21 1956-03-21 Back spacing mechanism of a typewriter having variable proportional letter feed

Publications (1)

Publication Number Publication Date
GB823138A true GB823138A (en) 1959-11-04

Family

ID=9859395

Family Applications (1)

Application Number Title Priority Date Filing Date
GB879556A Expired GB823138A (en) 1956-03-21 1956-03-21 Back spacing mechanism of a typewriter having variable proportional letter feed

Country Status (1)

Country Link
GB (1) GB823138A (en)

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