US974237A

US974237A - Type-writing machine.

Info

Publication number: US974237A
Application number: US39842407A
Authority: US
Inventors: Thomas J Coo
Original assignee: MONARCH TYPEWRITER CO
Current assignee: MONARCH TYPEWRITER CO
Priority date: 1907-10-21
Filing date: 1907-10-21
Publication date: 1910-11-01
Anticipated expiration: 1927-11-01

Description

' T J. 000. TYPE WRITING MACHINE. APPLIOLTIOI FILED OOT. 21,1907.

974,237. Patented N0v.1,1910.-

1415 ATTORNEY I UNITED STATES PATENT onFioE.

THOMAS 3'. COO, 0F TORONTO, ONTARIO, CANAIOA, ASSIGNOR TO THE MONABCH TYPE- WRITER COMPANY, OF SYRACUSE, NEW YORK, A CORPORATION OF NEW YORK.

TYPE-WRITING- MACHTNE.

Specification of Letters Patent.

Patented Nov. 1, 1910 To all whom it may concern:

Be it known that I, THOMAS J. 000, a subject of the King "of England, and resident of Toronto, Province of Ontario, in' the county of York and Dominion of Canada, have invented certain new and useful improvements in Type-Writing Machines, of which the followin is a specification.

My invention re ates to typewriting machines and more particularly to means for controlling: the worksheets at and adjacent to the printing point.

The devices of my invention are-particularly efiicient for use .in writing cards and are in the nature of a card holder which compels the card to hug the platen snugly at all points at and adjacentto the printing oint, both above and below the printing inc and at either side of the printing point, thus avoiding blurring imprints. i

The objects of my invention are to provide simple, efiicient and inexpensive means of the character specified which offer no appreciable obstruction to the operators view of the writing and which are in the nature of an attachment that may be a plied to existing forms of tyipewriting mac mes. v

To the above an other ends which will hereinafter appear, my invention consists of the features of construction, arrangements of parts and combinations .of devices to be hereinafter set forth and particularly pointed out in the appended clalms.

In the accompanying drawings wherein like. reference characters indicate corresponding parts in the different views, Figure 1 1s a fragmentary front elevation showing a sufficient number of parts of a typewriting machine to illustrate my invention in its. embodiment therein. Fig. 2 is a vertical fore and aft sectional view of the same.

. My invention is in the nature of an improvement on the construction shown in the atent to George A. Seib No. 821,382, dated May 22nd, 1906, and I have illustrated the invention embodied in the'Monarch machine, though it should be understood that the invention maybe employed in. other styles of typewriting machines.

The platen 1 is journaled in end plates2 which pro'ect forwardly from a cross bar ,3 mounts to travel on ball bearin s between, fixed rails 4 secured to brac ets 5 which project upwardly from the top plate 6 of the machine. Arms"? project forwardly from lugs 8 on the cross bar 3, the arms 7 supporting arms 7 are connected at their forward ends to andsupport a combined carriage and platen scale 10 which cooperates with the platen below the printing line indicated by the dotted line a in Flg. 1. Segmentally arranged type bars 11 are pivoted at 12 and strike upwardly and rearwardly againstthe front face of the platen and are actuated through the links 13 by sultable key actuated means such as those employed in the Monarch machine, for instance.

A front plate 14 is secured by .screws 15 to lugs 16 which project downwardly from the top plate 6 at the forward ed e thereof. A bracket 17 is secured to the out plate by shouldered screws, 18' which extend through slots 19 in a vertically movable plate 20. The upper portion of the bracket 17 is provided on the. sides thereof with cars 21 .to which a card guide'or holder, designated as a whole by the reference numeral 22, is ivoted at 22'. The main bod portion 0 this card ide is substantial H- bent forwardly as shown in Fig. 2 to'form cam surfaces with which forwardly sprojecting fingers 2d 'on the sliding plate 20 'coiiperate. Finger pieces 25 project forwardly fromthe sliding plate in order to facilitate a vertical adjustment thereof. A coiled spring 26 surrounds the pivot 22 and nbrmally presses the upper end of the card guideor the holder toward the platen, the holder being pressed or 'held more rigidly against the platen when the sliding plate 20 is in the upper position. Thearms .27 of theupward y projecting portion of the'card 1d e-.or ho der are dlsposed on opposite SldGS- of the 'rinting oint which is indicated at w in 1g. 1; an the upper edges of these arms aremade straight at 28-to form line indicators, the space between the arms 27 constitutinga printing point indicator. A. pointer 29 is formed on the card guide or holder for 006 eration with the lower set of indices 30 on t e combined platen and carriage scale. The construction thus far described is. similar to that disclosed in the patent to Seib herein-- befpre referred to.

being secured to the lugs by screws 9. The

shaped and depen ing arms 23 thereo are The arms 27 are perforated at 31 to receive the bent ends 32 of a wire extension which is in the general form of an inverted W, the ends 32 of this guide being soldered or otherwise secured in place. The a-rms33' extend upwardly and inwardly from the ends 32 thereof and are connected at their upper ends by loops or curves 34: with down- .

sections

33 and 35 con orm to the curvature of the platen. The loop 36 is bent slightly forwardly away from the platen and extends in front of and adjacent to the laten scale 10, It will be seen that a set 0 arms 33, is situated at each side of the printing point and that the arms of each set are spaced apart. The wire extension is secured to the card guide, only at the ends 32 and there is a certain degree of inherent resiliency in the wire extension and in its connection with the card guide 22. It will be observed that the wire extension extends above and below and crosses the printing line and that the arms 35 cooperate with the card or work sheet on opposite sides of the printing point :12 and ad acent thereto and that the arms 33 also cooperate-with the card or work sheet on' each side of the printmg point but at a distance more remote from the printing point than the arms 35 and that the work sheet or card will be maintained snug against the platen by the card guide or holder from the time any given point on the card leaves the platen scale until ,it passes .to a considerable distance above the printing line. It will also be seen that notwithstanding the fact that the wire extension of the card guide extends across the printing line it offers no appreciable obstruction to the operators view of the writing, the

arms

33 and 35 being spaced apart and of small cross-section; nor does the extension interfere with the operators viewof the line indicating edges 28; nor does the extension interfere with the operators view of a printed line of writing when it is brought into coiiperation with the line indicating edges 28 of the guide. This is a matter of importance in visible writing machines for which the invention is more particularly adapted. It will be understood that according to my present invention all of the advantages of the card guide and holder of the Seib patent areattained and that'the wire extension attion of a platen,

tains the additional advantage of assuring a maintenance of the work sheet or card snugly against the face of the platen above the printing line as well as below it and to a considerable distance on both sides of the printing point to prevent blurring imprints from being produced.

It will be seen that the devices of my invention are carried by a fixed portion of the machine and remain fixed during the travel of the carriage, and when I refer in the ac companying claims to a fixed cardguide or device I mean that it shall be fixed in the sense above described as distinguished from the part which is carried by and travels With the platen or carriage:

What I claim as new and desire to secure by Letters Patent, is

1. In a typewriting machine, the combination of a platen, and a card guide carried. by a fixed portion of the machine and having a wire extension that crosses the print ing line and is looped at the top and bottom.

2. In a typewriting machine, the combination of a platen, and a card guide having openings in the guiding portions thereof through which the writing may be seen, said guide being carriedby a fixed portion of the machine and having an extension that crosses the printing line and is in the general form of an inverted W.

3. In a typewriting machine, the combination of a platen, and a card guide carried by a fixed portion of the machine and having two sets of arms with openings between the arms of each set, said arms extending across the printing line with one set on each side of the printing point.

4. In a typewriting machine, the combination of a cylindrical platen, and a card guide carried by a fixed portion of the machine and having two sets of arms with openings between the arms of each set, said arms con forming generally to the eurvature of the platen and extending across the printing line with one set on each side of the printing point.

5. In a typewriting machine, the combinaa card guide carried by a fixed portion of the machine and having-two sets 0 arms with openings between the arms of each set, said arms extending across the printing line with one set on each side of the printing point, and spring means foreii'ecting a pressure of said arms against the 1:20 p aten.

6. In a typewriting machine, the combination of a platen, and a card guide carried by a fixed portion of the machine adjacent to the printing point, said guide having line indicating edges, printing point indicating means and an extension comprising a plurality of sets of arms which extend across the printing line on opposite sides of and adjacent to the printing point, a set of such arms; being on each side of the printing point, and the arms of each set be ng spaced apart.

, 7. In a ty ewri tingmachine, the coinbination of a cylindrical platen, and a card. guide pivoted to a fixed portion of the machine adjacent to the printing point and spring preseed toward the platen, eaid guide havmg ilne indicatlng edges, printing polnt m dicating means, and a wire'extension comprising a plurality of sets of arms which extend across the printing-line 0nv opposite I sides of and adjacent to'the printing point and conforming generally to the curvature of the platen, a set ofsuch arms being on 15 THOMAS J. Coo.

Vvitnesses J. B. Dnnvns,

CHARLES E. SMITH.