US1713594A - Typewriting machine - Google Patents

Description

May 21, 1929. G, w, CAMPBELL 1,713,594

TYPEWRITING MACHINE Filed Feb. 20, 1922 2 Sheets-Sheet l /m/en for.'

j A JV 477% May 21 1929. G. w. CAMPBVELL 1,713.594

TYPEWRITING MACHINE Filed Feb. 20, 1922 2 Sheets-Sheet 2 Patented May 21,v 1929.

UNITED STATES PATENT OFFICE.

GEORGE W. CAMPBELL, OF HARTFORD, CONNECTICUT, ASSIGNOR TO UNDERWOOD ELLIOTT FISHER COMPANY, OF NEW YORK, N. Y., A CORPORATION OF DELAWARE.

TYPEWRITING MACHINE.

The present invention relates to sounddeadening casings in which typewriting machines are adapted to be operated.A

'A casing of this character, at its base, i ordinarily and preferably of a width conforming substantially toy the width of thc typewriting machine, but, abovev the base, is iiared or oifset laterali 1 to,V a considerably greater width in the upper vportion of the casing to provide spacefor the travel of the carriage of the typewriting machine. It is desirable that a casing of this character be adapted to be used on the baseboard or drop-leaf of a typewriter desk. Ordinarily, however, this baseboard or drop-leaf is sunken or lies several inches below the top of the desk; and may not be of a width equal to the width of the flared or expanded upper portion of the casing. It may therefore happen that, onV attempt to the casing on the baseboard, the expanded portion thereof will be engaged by the walls of the desk at the sides .of the haseboard, and seating of the casing and machine thus prevented.

An object of the present invention is the provision of a pedestahfin combination with the casing, to support the, casing and machine at such an elevation upon the baseboard that the expanded portion of thefcasing will clear the parts of the desk at the sides of the baseboard. Y -A further objectfof the `invention is the provision of means for holding the casing and pedestal in assembled condition ,which means shall at the same time serve to anchor the machine and the casing. In this connection, a feature of the invention `is the provision of a draw-leaf to whichl the machine issecured by the holding and anchor- -ing means referred to,`so thatthe entire assembly, securely locked and held, may be positioned on the baseboard of the desk and held theretoA by sliding the edges of the draw-leaf under suitable retaining devices vonthe baseboard. A feature of the invention `is the provision of holding means, accessible from the bottom of the assembly, for

--locking the parts together and for releasing them from one another; thus obviating the necessity of manipulating the holding meansv from the interior of the casing. e In the use of the draw-leaf it is only necessary to slide the same out upon rthe baseboard ofthe desk for access to the holding means, when it is desired to remove the casing. Y

A casing of the character mentioned usually has a window-pane of transparent glass inthe Wall thereof, through which the operator may observe the printing on vthe platen. Various expedients have been resorted to for Vpreventing objectionable reflections from the surface of the glass to the eyes of the operator. Blinds have been provided, ypositionable upon the casing in such manner as to intercept the rays of light directed at the window-pane. A further object of the present invention is the provision of a. blind for this purpose, which may be readily, and in a simple manner, attached'to and detached from the casing; and which may be marketed as an article, unitary in itself, to be acquired and used, if wanted; and which, to be applied to the casing, requires no modification or special structure of the latter.

Other features and advantages will hereinafter appear.

In the accompanying drawings,

Figure 1 isa view in sideelevation, partly cross-sectional, showing the casing on its pedestal on the draw-leaf of a-desk; the typewriting' machine being indicated in the casing. -v f l Figure 2 is a cross-sectional detail view, showing the attachment ofl the blind to the casing cover.

Figure 3 is a front'view of the assembly shown in Figure l, except that the typewriting machine is notindicated.

Figure 4 isa top plan view of the pedestal. f

Referring to the drawings, the lcasing is shown as comprising a body-portion 10 having a cover-part 11 hinged thereto at 12.

The casing isy preferably a die-casting, having machine 15 rest upon the bottom piece 13, and the keyboard-extension 16 of the typewriting machine projects through an opening 17 in the front of the casting 10. A line-space lever 1S, a carriage-release lever 19 and a carriage-return arm 20 project iic 4through a slot formed by the upper front edge of the, casting l and the lower front edge ofV the 'cover Vl1, sor that these "levers and arm may not prevent movement of the and a similar cushion 22, on the lower front edge of 'the cover-part, abut each other, so that the slot,

the carriage, is closed except Where the llevers protrude therethrough.'I

.,Therbottoni piece 13e-.ot 'the casing v,rests upon aIpla/ttorm 23,"Which is the top of' the pedestal 24..V )The pedestal is-shown as a hollow casting of substantially? rectangular plan, open at tlie'bo'ttom, Vand having side Walls'Whiclnitor ornamentation, are shownV as. curved. .The Vlower edges oigthe" `side Walls of the'pedestal are cutaway, as at 25, -to clear thedraWdeaf 26, except where such cuts form feet 27 atthe cornersof'the pedesta-l forsupporting'the latter utponfthe draw-leaf. Y

Bosses 2S' formed on the casting oi the pedestal :serve 'asV elongated bearings for bolts 29,1'Which-are inserted upward-'through .the lugs'glf usually found on typewriting Vthe draw-leaf `andftlirough the bottoni piece 13 of the casing,- b'eyond'rwhich hey .are threaded-into .nuts 30 in engagement with machines-for *attachmentof the latterfto their supports. The' boltr'heads V2r lie inl Vcountersinlns L33 in the' bottoinof .the drawleaf, so that the'latter may lie iiiat. l/Vheii the bolts are tightened, 'thcfeet 140i the f machine arefdrawn firmly down upoiigthe Vcasing bottom piecel, which then forms a V.felt covering for the pedestal platform-AV peripheral':flange 34v onlthe pedestal platforni' serves to center and to 'prevent lateraly 1 `displacement ofthesheet 13. The 'bosses 2b i Y preferably dependthe'full Width-of the ped estal, and have their ends machine-finished 'to engageithe draw-leaf, soV as.v tol supportl the platform 23- and. `prevent .fracturing oi the latter ivlienth'e bolts are tightened( il, -As shown .in :Figure .4, the platform` 23 is Vcut axvay centrally'at 35 for economy of material, and to make theV .pedestal as 4light as may bein conformityvvith its required strength. Ylt Will be noted, howeverthat ithe platform .is brought? out,=as at the cor' ners 36, around the points .Where the bolts 29 `pass.thi'ni'gh the same, and Where theV I feet ...14 of' tlieftypewritingmachine bear lipon'the same-.-4 In Figure '4 the position of the typewriting` machine is indicated in dotted lines. to shoivathe bearing points of 60 the* feet thereof zon the pedestal. platform.

7.-. ;ReferringltoFigure 3, the drop-cover 37 ofthe desk is shown A'in-the usual depressed position zbetweeii'V the desk-side-piece's 38. .The draw-leaf 26. is shown as held down .upon thedro'p-cover 37 by anglevpieces 39,

2 i y: fifriaseiwhich` are offset at their upper ends at 4() to overlie the top of the draw-leaf. ,This

-iiorm of attachment permits the drivleat' the bolt-heads 32 is desired to permit otref moval of the casing from the machine. Valong Which-the operating levers travel -With Tliefcasingxhas the-usual opening 4l in the top ofthe cover 11, through whichthe operatoiymay observe the printing en the platen.AV A rectangular .ribbing 42, depending inward romthc top of the cover, serves as a frame for al Window 43 of glass or other transparent material; and clamps :44

serve to `hold.. the-Window-pane 43 againsta Y seat 45 inV the, ribbing 42. Sheet-metal earsV 46, secured byv screws 4'? -to the sidewalls of thewindowV frame, servo as bearings Yfor Divot ins 4S on which are-mountedV 7 or plates 49 which support a blind `50.V The platesr49 are cutaway at 5,1 'centrally ofV their vupper edges, and, rforward and .rear- VWard of .theseV cuts "5l, have offsets. 52 to lwhich the blind `is soldered or otherWise se- In VFigure 1 the blind-is shown fse't yat, l

such an angle that its Vrear edge 55 rests upon or is in Contact with the top o'v the cover. The vangular"setting ot the blind may, hoWever,be varied at will by' loosening i thenuts 56 on the screws48, which serve as the pivot' pins, andi byV tightening thesefnuts ater the arms 49 havebeen swung to the y-desired position. p

It lvvill be noted that uponV removal of the screws 47,the ears 46, together with thearins 49 andlblind 50, maybe removed asa unitV when desired.VY It will alsobeznoted thatthe `blind and its connectionszare attacliable to the cover Without'modication of the latter,

and that the attachment is, so'fsimple .and QA I convenient that thef device lmay ,.bemarketed independently ofthe casing,` vto `be bought and attached to lthe -casingit desired.i

Variations ymay be',V resorted to 'Within 'the 'fi5- scope of theiiivention, and portions-.ofthe claim Y1. In combination, a sound-[deadening cas-V Ving for a Vtypewriting machine, -havingi .a

Y closed bottom conorinable in. WidthV tothe improveriientsmay ,beilus'ed Without others.

Having thus Y'described ImyV-1yfwnptorn,I

Width ofthe machine to beenclosed-therein,

a Wider upperpart formed bylateral oli'-V sets to allow for the vtravel oitV the carriage E of the machine, a pedestal l:tor lthe casing,a baseboard, and bolts passing through the baseboard, pedestal, and bottom Wall ofthe casing to connect with the machine andliold 13.0.

the latter, the casing and the pedestal to said baseboard, the pedestal being a hollow casting including a platform and hollow bosses depending to the base thereof for bracing the platform and serving as bearings for the bolts.

2. In combination, a sound-deadening casing for a typewriting machine, having a closed bottom conformable in width to the width of the machine to be enclosed therein, a wider upper part formed by lateral osets to allow for the travel of the carriage of the machine, a pedestal for the casing, a drawlcaf, bolts passing through the drawleaf, pedestal, and bottom wall of the casing to connect with the machine for holding the latter, the casing and the pedestal to said drawleaf, the pedestal being a hollow casting including a platform and hollow bosses depending` to thefbottom of said casting for bracing the platform and serving as bearings for the bolts, a base for carrying the assembled casing, pedestal and drawleaf, and means for securing the latter upon said base in sliding relation thereto.

3. In combination, a sound-deadening casing for a typewriting machine, having a base conformable in width tothe width of the machine to be enclosed therein, a wider upper part formed by lateral offsets to allow for the travel of the carriage o f the machine, a pedestal for the casing, and including a platform, a Vsound-deadening mat for closing the bottom of the casing, and a flange on the platform of the pedestal embracing the mat peripherally to center the same. y

4. In combination, a sound-deadening casl ing for a typewriting machine, having a base conformable in width to the width of the machine to be enclosed therein, a wider upper part formed by lateral offsets to allow for the travel of the carriage of the machine, a pedestal for the casing, said pedestal being hollow and` including a platform formed of corner portions of plate for supporting the feet of the machine, bosses depending from such plate portions, and bolts passing through the bosses for anchoring the machine and casing to the pedestal, the bosses extending to the base of the pedestal to support the plate portions.

5. In combination, a typewriting machine, a sound-deadening casing, a pedestal for said casing, a sound-deadening mat forming the bottom of said casing and resting upon said pedestal, a base-board upon which the pedestal rests, and anchors passing through said base-board, pedestal and mat, and thence into engagement with a portion of the machine frame whereby to. secure said machine, casing, pedestal and base-board together.

6.`In combination, a typewriting machine, a sound-deadening casing therefor, a pedestal for said casing including a platform having a peripheral flange, a sound-deadening mat arranged within said flange for sealing the base of said casing, a base-board upon which the pedestal is mounted, and bolts assing through said base and'pedestal, and t ence within the interior of said casing, whereby to engage both sides of the machine frame for securing said machine, casing and pedestal upon said `base-board.

7. In combination, a typewriter desk having a relatively narrow sunken base-board, a sound-proof casing for a typewriting machine having a closed bottom conformable to the width of the machine to be enclosed therein and a wider upper part formed by lateral offsets to allow for the travel of the carriage of said machine, a pedestal for elevating said casing above said base-board whereby the .wider olfset upper part of said casing clears the top of the desk at the sides ofthe base-board, and means for securing said casing, machine and pedestal to said base-board.

GEORGE w. CAMPBELL.

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