US806834A - Type-writing machine. - Google Patents

Description

PATENTED DEC. 12, 1905.

M. W. POOL. TYPE WRITING MACHINE.

APPLICATION FILED AUG. 20, 1904.

2 SHEETS-SHEET l.

TTUFQNEY WITNEEE:

of 2m No. 806,834. v PATENTBD DEC. 12 1905. Y M. W. POOL. I

TYPE WRITING MACHINE.

APPLICATION FILED AUG. 20. 1904.

' WITNEEEEE: S l N-VENTEIR HIE. TTDRNEY UNITED STATES PATENT OFFIOE.

MORRIS W. POOL, OF NEW YORK, N. Y., ASSIGNOR TO THE MONAROH TYPEWRITER COMPANY, OF SYRACUSE, NEW YORK,' A CORPORA- TION OF NEW YORK.

TYPE-WRITING MACHINE.

Specification of Letters Patent.

Patented Dec. 12, 1905.

To all whom, it may concern:

Be it known that I, MORRIS W. PooL, a citizen of the United States, and a resident of the borough of Brooklyn, city of New York, in

the county of Kings and State of New York, have invented certain new and useful Improvements in Type-Writing Machines, of which the following is a specification.

This invention relates to type-writing machines, and has for its main objects toprovide a support for the paper on which erasures may conveniently be made and to provide a mountingfor the paper guiding and holding means.

My invention consists in certain features of construction and combinations of devices, all as will be hereinafter more fully described, and particularly pointed out in the concluding claims.

In the accompanying drawings, Figure 1 is a top plan view of the platen and the platenframe of a type-writing machine, showing my invention embodied therein, certain parts being omitted for the sake of clearness. Fig. 2 is a sectional side elevation taken on the line w of Fig. 1. Fig. 3 is an enlarged perspective view of the supporting-arm of the paper-finger. Fig. 4 is a view similar to Fig. -1, showing a modification of the invention. Fig. 5 is a view taken on the line y y of Fig. 4, various parts being omitted. Fig. 6 is an enlarged perspective view of the paper-finger shown in Figs. 4 and 5.

Considering first Figs. 1 to 3, inclusive, 1 is the top plate of the machine, and 2 one of the posts for the guiding and supporting rails 3 for the platen-carriage 4. The grooved back bar 5 of the platen-carriage cooperates with the rails 3 through roller-bearings, and the side bars 6 and 7 serve to support the platen 8. The paper, which is represented by the dotted line 9 in Fig. 2, is fed around the platen in a manner well understood, passing into the machine over the paper-table 10 and paper-apron 11 in rear of the platen. The side bars 6 and 7 are formed with standards or lugs 12 and 13, which serve to support a plate-like erasing-shelf 14, the ends of which terminate in short rod-like portions 15. The

rod-like portions are preferably constructed of separate pieces of metal, which after being properly formed are suitably attached, as

by soldering, to the erasing shelf or plate 14. The outer ends of the rod-like portions are formed with holes which are tapped to receive the headed screws 16, the latter passing through perforations in the lugs 12 and 13 and being screwed tightly into the ends of the rod-like portions 15. The erasing-plate is thus fixedly secured in position, a tongueand-groove connection with the lugs 12 and 13 preventing rotation or lateral displacement. Mounted upon the erasing-plate are. the marginal paper-fingers 17 each of which is composed of a supporting portion 18 and a holding and guiding portion 19. The supporting portion 18 preferably comprises, first, a guide block 20, which has milled or otherwise suitably formed longitudinally of its upper face a dovetailed groove or mortise 21; second, a forwardly-projecting arm 22,which terminates in bearing-eyes 23, and, third, a thumb-piece 24. As herein shown, the bearing-block is constructed of a solid block of metal, and the forwardly-projecting arm 22 is made of a thin metal strip, which is punched or cut and af-' terward so bent or shaped as to form the bearing-eyes 23 and the thumb-piece 24. The arm 22, having the bearing-eyes and thumbpiece integral therewith, is suitably attached, as by soldering, to the bearing -block 20. Mounted in the bearing-eyes 23 is ashort rod 25, the inner end 26 of which projectssufiiciently beyond the adjacent bearing-eye to permit the said rod to be pinned to or otherwise suitably connected with the short offset arm 27 of the guiding and holding portion 19 of the paper-finger. A coiled spring 28 surrounds that portion of the rod 25 which is between the bearing-eyes 23 and presses the guiding and holding portion toward the platen, the rod 25 serving as a pivot when the paper-finger is mounted in position on the machine. This latter operation is preferably accomplished by forming the under side of the erasing shelf or plate 14 about midway its width with alongitudinal dovetail or tongue, which is shaped to conform to the dovetailed groove 2l of the bearing-block, the latter being mounted to slide longitudinally of the erasing-plate upon the said dovetail 29. As best appears in Fig. 2, the erasing-plate is fixedly supported in proximity to the top of the platen and slightly to the rear of its axis,

the blade or plate-like portion extending downwardly and forwardly in the general direction of the delivery ends of the holding and guiding portions 19 of the paper-fingers. The latter are slidably attached to the under side of the erasing-plate and project forwardly beneath the latter and between it and the up per surface of the platen. This affords a construction of neat and simple appearance, the connection between the erasing plate and the paper-finger being concealed from view and only the forward part of the latter being visible from the operators position. Furthermore, by this construction the entire top surface of the erasing-plate is at all times left free and unobstructed. The offset arm 27 of the guiding or feeding portion 19 enables the latter to be offset inwardly or toward the center of the machine from the support or slide 18. By this construction the guiding or feeding portions of the paper-feeding devices may be arranged far enough apart to engage the paper near its side edges, while by reason of the offsets 27 the slides 18 will at the same time be separated far enough to enable the full width of the paper to pass between them. The top or leading edge of the paper will, therefore, after passing upward out of engagement with the guiding or feed ing means pass over the erasing-plate, the top surface whereof, as previously stated, is always free and clear for making erasures.

The invention is illustrated as applied to the Monarch type-writing machine. It is to be understood, however, that the said invention is not limited to the particular construction hitherto described, but that it may be adapted to other forms of writing-machines and that various changes of construction and arrangements of parts may be effected within its scope. The erasing-plate, for example, may itself be spring-mounted in the platenframe, while the coiled spring 28, which serves to press the guiding and holding portion of the paper-finger toward the platen, may be dispensed with and the said guiding and holding portion may be rigidly connected with its supporting-arm. Such a modification is illustrated in Figs. 4 to 6, inclusive.

-In the modified construction the erasingplate 14 is provided with end portions 30, which are perforated longitudinally to permit of the passage of headed screws 31, which are screwed into the lugs 12 and 13 and which pass loosely through the end portions 30. The said screws 31 act as pintles for the erasing-plate, the forward edge of which is pressed toward the surface of the platen by a spring 32, which is coiled about the right-hand pintle 31 and one end of which bears against the erasing-plate, while the other end 18 held in or upon the lug 13. The under side of the erasing-plate is provided with a dovetail or tongue 33, which extends longitudinally of the erasing-plate and upon which the paperfingers 34 are mounted. Each of the paperfingers comprises a supporting-arm 35 and a guiding and holding part 36, which is rigidly secured to the supporting-arm. The supporting arm or portion is formed with a dovetailed groove 37, by means of which the paper-finger is mounted upon the dovetail or tongue 33, and thus secured to the erasingplate.

It will be noted that the general arrange ment of the parts is similar to that of the first-described construction and that the paper-finger may be moved from side to side of the machine beneath the erasing-plate and between it and the platen by means of a thumbpiece 38, formed on the paper-finger forward of the erasing-plate. The paper-finger spring 28 of the first-described construction is, however, dispensed with in the modified form, the paper-finger in the latter case having transmitted to it the pressure of the springmounted erasing-plate.

Other changes of form, construction, and arrangements of parts may be made without departing from the gist of my invention.

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

1. In a type-writing machine, the combination of a platen, an erasing-plate, and means for guiding the paper, said means projecting forwardly from beneath said erasing-plate, said means being in part between said platen and said erasing-plate.

2. In a type-writing machine, the combination of a platen, an erasing-plate, and means for guiding the paper, said means projecting forwardly from beneath said erasing-plate and being movable longitudinally of the platen beneath said erasing-plate.

3. In a type-writing machine, the combination of a platen, an erasing-plate, and means for guiding the paper, said means projecting forwardly from beneath said erasing-plate and being secured to said erasing-plate.

4. In a type-writing machine, the combination of a platen, an erasing-plate, and means for holding and guiding the paper, said means projecting forwardly from beneath said erasing-plate and being movable longitudinally of the platen beneath said erasing-plate.

5. In a type-writingmachine, the combination of a platen, an erasing-plate, and a paper spring-pressed guiding part pivotally mounted upon said supporting-arm, said supporting-arm projecting forwardly beneath said erasing-plate and between the platen and said erasing-plate.

8. In a type-writing machine, the combination of a platen, an erasing-plate and a paperfinger comprising a supportingarm and a guide, said paper-finger being arranged between said platen and said erasing-plate.

9. In atype-writingmachine, the combination of a platen, an erasing-plate and a paperfinger mounted upon said erasing-plate and between it and the platen, said paper-finger comprising a supporting part and a guiding part pivoted upon said supporting part and spring-pressed toward the platen.

10. Ina type-writing machine, the combination of a platen, an erasing-plate formed with a dovetail longitudinally of its under side, and a paper-finger formed with a dovetailed groove or mortise and mounted to slide upon said erasing-plate.

11. In a type-writing machine, the combination of a platen, an erasing-plate and a paperfinger mounted upon and adapted to slide longitudinally of said erasing-plate and being so arranged as to leave the entire top surface of the erasing-plate at all times free and unobstructed.

12. Inatype-writing machine, the combination of a platen,an erasing-plate, a slide mounted on the under side of said plate, and paper gluding or feeding means attached to said s 1 e.

13. In a type-writing machine, the combination of a platen, an erasing-plate, and adjustable paper-guides supported from the under side of said erasing-plate, whereby the paper feeds over the plate and the top of the plate is at all times free and clear for the making of erasures.

14L. Ina type-writing machine, the combination of a platen, an erasing-plate, and adjustable paper-feeding means supported from the under side of said plate.

15. In a type-writing machine, the combination of a platen, an erasing-plate, offset paperfeeding devices, and supports therefor adjustably mounted on the under side of said plate.

16. In a front-strike type-writing machine, the combination of a platen, an'.erasing-plate mounted above said platen, and a paper-finger mounted on the under side of said erasingplate and extending in front of the platen,

of the platen.

Signed at the borough of Manhattan, city of New York, in the county of New York and State of New York, this 19th day of August, A. D. 1904.

MORRIS W. POOL.

I/Vitnessesi MARIE F. HANNWEBER, CHARLES E. SMITH.

said paper-finger being slidable longitudinally

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