GB714152A - Improvements in the type bar operating mechanism of typewriters - Google Patents

Improvements in the type bar operating mechanism of typewriters

Info

Publication number
GB714152A
GB714152A GB3029850A GB3029850A GB714152A GB 714152 A GB714152 A GB 714152A GB 3029850 A GB3029850 A GB 3029850A GB 3029850 A GB3029850 A GB 3029850A GB 714152 A GB714152 A GB 714152A
Authority
GB
United Kingdom
Prior art keywords
lever
sub
key
typewriters
type
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
GB3029850A
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.)
JARDINE JOHN Ltd
Original Assignee
JARDINE JOHN 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 JARDINE JOHN Ltd filed Critical JARDINE JOHN Ltd
Priority to GB3029850A priority Critical patent/GB714152A/en
Publication of GB714152A publication Critical patent/GB714152A/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
    • B41J7/00—Type-selecting or type-actuating mechanisms
    • B41J7/02—Type-lever actuating mechanisms

Landscapes

  • Handling Of Sheets (AREA)

Abstract

714,152. Typewriters. JARDINE, Ltd., J., and HARDY, F. S. Feb. 21, 1952 [Dec. 12, 1950], No. 30298/50. Class 100 (4) Type-lever actions.-A type-lever mechanism for a typewriter comprises a sub-lever D which is pivoted at its lower end to a key-lever E, passes through a slot H in a sub-lever segment J, has a cam shaped edge K which is held in engagement with a roller L in the slot H and is angularly moved about its pivot to operate the typelever A by depressing the key-lever, the downward movement of which is arrested by the typelever A engaging a platen A1. The cam K is shaped so as to provide increasing speed to the type-lever as it moves up to the platen, and may be formed with a projection at its lower end to limit the return movement of the sub-lever D. Specification 683,208 is referred to. Key-actions.-A touch regulating mechanism is described which is identical to that described in Specification 683,208.
GB3029850A 1950-12-12 1950-12-12 Improvements in the type bar operating mechanism of typewriters Expired GB714152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3029850A GB714152A (en) 1950-12-12 1950-12-12 Improvements in the type bar operating mechanism of typewriters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3029850A GB714152A (en) 1950-12-12 1950-12-12 Improvements in the type bar operating mechanism of typewriters

Publications (1)

Publication Number Publication Date
GB714152A true GB714152A (en) 1954-08-25

Family

ID=10305423

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3029850A Expired GB714152A (en) 1950-12-12 1950-12-12 Improvements in the type bar operating mechanism of typewriters

Country Status (1)

Country Link
GB (1) GB714152A (en)

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