GB1327657A - Silencer for the carriage of a typewriter or the like - Google Patents

Silencer for the carriage of a typewriter or the like

Info

Publication number
GB1327657A
GB1327657A GB1805671A GB1805671A GB1327657A GB 1327657 A GB1327657 A GB 1327657A GB 1805671 A GB1805671 A GB 1805671A GB 1805671 A GB1805671 A GB 1805671A GB 1327657 A GB1327657 A GB 1327657A
Authority
GB
United Kingdom
Prior art keywords
rack
pawl
engaging
engagement
teeth
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
GB1805671A
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.)
Sperry Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1327657A publication Critical patent/GB1327657A/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
    • B41J19/34—Escapement-feed character-spacing mechanisms
    • B41J19/36—Driving mechanisms, e.g. springs stressed during carriage return
    • B41J19/38—Driving mechanisms, e.g. springs stressed during carriage return adapted for silent return

Landscapes

  • Character Spaces And Line Spaces In Printers (AREA)

Abstract

1327657 Typewriters SPERRY RAND CORP 28 May 1971 [2 June 1970] 18056/71 Heading B6F An escapement mechanism comprising a part 3 engaging a rack 1 includes means ensuring silent return of the rack, said means including a box member 8 having a wall 10 engaging the teeth 2 of the rack 1 and including an aperture for the pawl tooth 6. When the rack 1 is driven to the right, the pawl tooth 6 lifts out of engagement with the rack and rests on the outer surface of the wall 10 since the member 8 moves with the rack until a projection 11 thereon engages a fixed stop 13. The escapement mechanism comprises a universal bar 7 which lifts the pawl 3, a spring 5 then displacing the pawl 3 rightwardly to disengage the pawl 3 from the universal bar 7 and permit re-engagement of the pawl tooth 6 with the rack teeth 2.
GB1805671A 1970-06-02 1971-05-28 Silencer for the carriage of a typewriter or the like Expired GB1327657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7007975A NL7007975A (en) 1970-06-02 1970-06-02

Publications (1)

Publication Number Publication Date
GB1327657A true GB1327657A (en) 1973-08-22

Family

ID=19810217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1805671A Expired GB1327657A (en) 1970-06-02 1971-05-28 Silencer for the carriage of a typewriter or the like

Country Status (5)

Country Link
CA (1) CA929479A (en)
DE (1) DE2128126C3 (en)
FR (1) FR2095776A5 (en)
GB (1) GB1327657A (en)
NL (1) NL7007975A (en)

Also Published As

Publication number Publication date
FR2095776A5 (en) 1972-02-11
DE2128126A1 (en) 1971-12-09
DE2128126B2 (en) 1974-11-21
DE2128126C3 (en) 1975-07-10
CA929479A (en) 1973-07-03
NL7007975A (en) 1971-12-06

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee