US2913095A - Casing for typewriting and like machines - Google Patents

Casing for typewriting and like machines Download PDF

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Publication number
US2913095A
US2913095A US555145A US55514555A US2913095A US 2913095 A US2913095 A US 2913095A US 555145 A US555145 A US 555145A US 55514555 A US55514555 A US 55514555A US 2913095 A US2913095 A US 2913095A
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US
United States
Prior art keywords
cover
casing
frame
typewriting
machine
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 - Lifetime
Application number
US555145A
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English (en)
Inventor
Neumann Erich
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.)
Individual
Original Assignee
Individual
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
Priority to CH340846D priority Critical patent/CH340846A/de
Application filed by Individual filed Critical Individual
Priority to US555145A priority patent/US2913095A/en
Application granted granted Critical
Publication of US2913095A publication Critical patent/US2913095A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/12—Guards, shields or dust excluders
    • B41J29/13—Cases or covers

Definitions

  • This invention relates to a casing for typewriting and like machines, more particularly portable typewriting machines, comprising a base portion that is bolted to the machine and a cover secured to said base portion in such manner as to be readily detachable therefrom.
  • Known casings consist of a base portion incorporating side walls that rise approximately to the level of the ribbon spools, the cover being a comparatively shallow plate.
  • this object is achieved by providing a base consisting of a shallow frame and, mounted upon said frame, a cover incorporating side walls which enclose all parts of the machine with the exception of the keyboard and the carriage, and which are forwardly extended to enclose the stepped-down banks of keys on either side.
  • Fig. l is a perspective view of a portable typewriter equipped with a casing according to the present invention.
  • Fig. 2 is a perspective view of the front portion of a portable typewriter with its cover removed;
  • Fig. 3 is a perspective view of a cover plate alone
  • Fig. 4 is a form of construction in section of a catch mechanism for attaching the cover to the base.
  • the casing comprises a flat frame 1 which completely surrounds the machine and a cover 2 mounted upon said frame so as to be readily detachable therefrom.
  • the frame 1 is so devised that its edge is raised to the level of the spacing bar 3 which lies countersunk in a recess cut into the edge of the frame.
  • the compact unit construction of the frame 1 improves the rigidity of the entire machine and renders it proof against jolting and shock.
  • the side walls 7 of the cover 2 which entirely encloses the keyboard mechanism are forwardly extended and form a cleanly designed edge on either side of the banks of keys 8.
  • the frame is provided with short slots for the reception of hooked catches fitted to the cover 2.
  • the leaf springs 10 have an appropriate cut out section in the vicinity of these slots 12.
  • the aforesaid catches consist of double-armed levers with a hook 14 on one arm and an actuating lug 15 on the other.
  • the lugs which pass through slots 16 in the side walls 7 can be depressed against the counter-pressure of springs 17 screwed to the side walls 7 so as vto press against a transverse pin fitted to the double-armed lever 13, said pin also serving as a stop limiting the outward movement of the catch 13.
  • the doublearmed lever tilts about its fulcrum 20 so that the hook 14 can be withdrawn from the slot 12 in the frame and the cover raised.
  • the pivot 20 is arranged on a bracket screwed to the interior of the side walls 7 in the same manner as spring 18.
  • the spring which prevents the cover from being unintentionally released may be replaced by a helical spring which might then be conveniently arranged on the pivot pin 20.
  • a further stop might be provided in addition to the stop 19 to limit the movement of the lever in the opposite direction.
  • a typewriting or like machine having a keyboard, a type bar drive mechanism and a front spacing bar, a casing formed in two parts namely a flat base frame fixed to the machine and having a front edge which is recessed to accommodate the spacing bar and front and side parts which are not higher than the spacing bar, and a cover detachably mounted on the base frame with its lower edge resting on the base frame, the top and side parts of the cover enclosing the type bar mechanism and forward extensions of the side parts of the cover affording lateral protection for the keyboard.
  • a typewriting or like machine comprising a keyboard, a type bar drive mechanism, a front spacing bar, a casing consisting of a flat base frame having front and side parts which are not higher than the spacing bar and a cover having its lower edge resting on the base frame, spring loaded catches attached to the interior of the sides of the cover for detachably securing the cover to the base frame, and lugs on said catches projecting to the outside of the sides of the cover for releasing the catches, the top and sides of the cover enclosing the type bar mechanism and forward extensions of the sides of the cover affording lateral protection to the keyboard.
  • a typewriting or like machine as claimed in claim 2 including slightly arcuate leaf springs secured to the frame and extended lengthwise between adjacent edges of the cover and the frame, and pins mounted on one of the elements of the casing for engagement with corresponding holes in the other element of the casing.
  • a typewriting machine particularly a box or portable machinehaving ribbon spools, a paper carriage, akeyboard, a type bar mechanism and a spacing bar, a machine support, a cover means enclosing the ribbon spools and type bar mechanism disposed between the paper carriage and the keyboard, and quickly operable latch means cooperably connected with the cover means and machine support to detachably attach the cover means to the machine support and permit its ready detachment therefrom thereby leaving the type bar mechanism and keyboard laterally free, the said cover means being defined in the form of a hood extending downwardly on both sides of the machine to at least approximately the level of the spacing bar and at the sides of the keyboard extending forward to afford lateral protection for the keyboard.
  • casing formed in two parts namely a fiat base frame fixed to the machine and having front and side parts which are not higher than the spacing bar, a cover detachably mounted on the base frame, the top and side parts of the cover enclosing the type bar mechanism and forward extensions of the side parts of the cover affording lateral protection for the keyboard, a paper carriage, and the rear of the frame being extended upwardly above the level of the spacing bar to protect the rear of the paper carriage.

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  • Accessory Devices And Overall Control Thereof (AREA)
US555145A 1955-12-23 1955-12-23 Casing for typewriting and like machines Expired - Lifetime US2913095A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH340846D CH340846A (de) 1955-12-23 1955-12-02 Verkleidung an schreibenden Büromaschinen
US555145A US2913095A (en) 1955-12-23 1955-12-23 Casing for typewriting and like machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US555145A US2913095A (en) 1955-12-23 1955-12-23 Casing for typewriting and like machines

Publications (1)

Publication Number Publication Date
US2913095A true US2913095A (en) 1959-11-17

Family

ID=24216150

Family Applications (1)

Application Number Title Priority Date Filing Date
US555145A Expired - Lifetime US2913095A (en) 1955-12-23 1955-12-23 Casing for typewriting and like machines

Country Status (2)

Country Link
US (1) US2913095A (de)
CH (1) CH340846A (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1800199A (en) * 1927-12-12 1931-04-14 Victor Adding Machine Co Typewriter frame
US2104402A (en) * 1934-11-09 1938-01-04 Rieffel August Steaming and drying machine
US2297229A (en) * 1938-04-29 1942-09-29 Kruger Johannes Machine frame for typewriters
FR1014653A (fr) * 1949-03-25 1952-08-20 Ind Mecanographiques Sa Des Dispositif de couverture et de protection des mécanismes d'une machine à écrire
US2639020A (en) * 1949-12-23 1953-05-19 Underwood Corp Controlled noise-reduction means for typewriters

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1800199A (en) * 1927-12-12 1931-04-14 Victor Adding Machine Co Typewriter frame
US2104402A (en) * 1934-11-09 1938-01-04 Rieffel August Steaming and drying machine
US2297229A (en) * 1938-04-29 1942-09-29 Kruger Johannes Machine frame for typewriters
FR1014653A (fr) * 1949-03-25 1952-08-20 Ind Mecanographiques Sa Des Dispositif de couverture et de protection des mécanismes d'une machine à écrire
US2639020A (en) * 1949-12-23 1953-05-19 Underwood Corp Controlled noise-reduction means for typewriters

Also Published As

Publication number Publication date
CH340846A (de) 1959-09-15

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