GB1481440A - Changeable type head - Google Patents

Changeable type head

Info

Publication number
GB1481440A
GB1481440A GB43785/74A GB4378574A GB1481440A GB 1481440 A GB1481440 A GB 1481440A GB 43785/74 A GB43785/74 A GB 43785/74A GB 4378574 A GB4378574 A GB 4378574A GB 1481440 A GB1481440 A GB 1481440A
Authority
GB
United Kingdom
Prior art keywords
type
lever
type head
head
changeable 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
GB43785/74A
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.)
SCM Corp
Original Assignee
SCM 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 SCM Corp filed Critical SCM Corp
Publication of GB1481440A publication Critical patent/GB1481440A/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
    • B41J1/00—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies
    • B41J1/04—Typewriters or selective printing mechanisms characterised by the mounting, arrangement or disposition of the types or dies with types or dies carried upon levers or radial arms, e.g. manually operated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7062—Clamped members
    • Y10T403/7064—Clamped members by wedge or cam
    • Y10T403/7066—Clamped members by wedge or cam having actuator
    • Y10T403/7071—Lever actuator

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Common Mechanisms (AREA)

Abstract

1481440 Typewriters SCM CORP 9 Oct 1974 [10 Oct 1973] 43785/74 Heading B6F A detachable type head for attachment to a type lever 14 comprises a locking lever 102 having a cam surface 74, 76, 78 whereby the end 18 of the type lever can be pressed against a surface 40 of the type head. The type head is U-shaped to receive the end 18 of the type lever. The locking lever may be formed with a latching surface 104 for engagement with a complementary recess in the type head. The cam surface may comprise a locking portion 74, an intermediate portion 76 whereby extra force is applied to the type lever, and a release surface 78. A projection 48 and complementary notch 22 may be provided on the type bead and type lever.
GB43785/74A 1973-10-10 1974-10-09 Changeable type head Expired GB1481440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US405248A US3926294A (en) 1973-10-10 1973-10-10 Changeable type head

Publications (1)

Publication Number Publication Date
GB1481440A true GB1481440A (en) 1977-07-27

Family

ID=23602900

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43785/74A Expired GB1481440A (en) 1973-10-10 1974-10-09 Changeable type head

Country Status (3)

Country Link
US (1) US3926294A (en)
CA (1) CA999551A (en)
GB (1) GB1481440A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4367569A (en) * 1981-07-13 1983-01-11 Bee Line Company Cam locking pin
US4669330A (en) * 1984-10-01 1987-06-02 Ford Motor Company Cable length adjuster
US4695030A (en) * 1985-09-03 1987-09-22 Fischer Jay P Quick release clamp
US5015117A (en) * 1987-02-06 1991-05-14 Pawlicki Patrick S Construction materials with end connectors
EP2773509B1 (en) * 2011-10-31 2016-08-03 Hewlett-Packard Development Company, L.P. Cover for a printer platen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US265747A (en) * 1882-10-10 Gborge w
US1206972A (en) * 1916-03-30 1916-12-05 Oliver Perry Anderson Detachable type.
US2171470A (en) * 1937-06-21 1939-08-29 Mufioz Luis Attachment to typewriter keys
US2862592A (en) * 1956-02-28 1958-12-02 Sperry Rand Corp Type bar and interchangeable type therefor
US3308916A (en) * 1963-09-27 1967-03-14 Scm Corp Changeable type
US3263792A (en) * 1964-10-22 1966-08-02 Ncr Co Quick removable type carrier for business machines

Also Published As

Publication number Publication date
USB405248I5 (en) 1975-01-28
CA999551A (en) 1976-11-09
US3926294A (en) 1975-12-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee