US471872A - Attachment for type-writing machines - Google Patents

Description

(No Model.)

G. F. LOA-R. ATTACHMENT FOR TYPE WRITING MACHINES. No. 471,872. Patented Mar. 29, 1892.

ATTORNEYS.

UNITED STATES PATENT OFFICE.

GEORGE F. LOAR, 0E GIBSON CITY, ILLINOIS.

ATTACHMENT FOR TYPE-WRITING MACHINES.

SPECIFICATION forming part of Letters Patent No. 471,872, dated March 29, 1892.

Application filed June 29, 1891. Serial No. 397,882- (No model.)

' description.

My invention relates to improvements in type-writer attachments; and the object of my invention is to produce a simple mechanism for operating the machine to make the necessary line-spaces, which mechanism may be easily applied to any variety of type-Writer and may be worked by the foot or knee of the operator, so as to enable him to keep his fingers upon the keys and his eyes upon the copy, and thus do his work rapidly and well.

To this end my invention consists in certain features of construction and combinations of parts, which will be hereinafter described and claimed.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar figures of reference indicate corresponding parts in both views.

Figure 1 is a broken perspective view of a type-writer provided with my improved attachments, the view being taken from the rear; and Fig. 2 is a broken detail sectional view, partly in elevation, showing the mechanism for operating the attachments by the knee.

The type-writer 10 is of commonformand is provided with the usual carriage 11,which moves upon the track 12, and which has on the front side and at one corner the usual depending line-space lever 13, which is raised to turn the feed-cylinder and advance the paper which is being printed upon the necessary line-space. The carriage has an extension 10, which projects behind the track 12, and pivoted to the back portion of this extension near one'end, as shown at 15, is a short rod 14, which at its opposite end is pivoted to the upper end of a swinging arm'16, which is arranged vertically on the back side of the machine and is pivoted at its lower end to the machine-frame, as shown at 17.

A bell-crank lever 18 is pivoted on the table 19, upon which the type-writer rests, the lever being pivoted .so that it will align with the arm is connected.

the bell-crank lever is pivoted at its free end i to a rod 22, which extends downward behlnd and beneath the table 19 and is adapted to connect with an ordinary treadlo 22, so that when the treadleis moved downward the bell crank lever will be tilted and will operate the arm 16 and move the carriage, with which the On the front of the machine 10 and at the upper right-hand corner is a cam-like frame 23, one end of which is formed into a flange and secured to the front of the top portion of the frame 10, as shown at 24, and the opposite end of the cam-like frame is bent inward, as at 25, and is slotted near the end, as shown at 26, and this slotted portion rests against one side of the machine-top and receives the screw 27, by means of which the slotted end is held in position. The slot in the cam-like frame 23 permits it to be adjusted out and in, so as to make any desired space between the lines on the paper.

' The operation of the attachments is as follows: The paper is arranged upon the feedroll and the carriage is fed to one side in the usual way, and when a line has been printed the operator steps upon the treadle 22*, thus pulling down the rod 22 and swinging the upper arm of the bell-crank lever 18 to the'right, and this movement of the bell-crank pushes upon the arm 16 and carriage 11, thus moving the carriage to the right-hand end of the machine and bringing the line-space lever 13 against the cam-dike frame 23. When the lever 13 strikes the frame 23, it is forced outward, thus giving it a swinging movement and causing it to rotate the feed-cylinder in the usual way, and it will be readily understood that the lever and .cylinder may be given a greater or less movement, according as the frame 23 is held farther out or in upon the machine-frame 10, and consequently the distance between the lines may be nicely adjusted.

In Fig. 2 I have shown means for moving the carriage and operating the line-space lever by a movement of the knee. In this case a hanger 32, and terminates in a knee-piece 33,

, pivoted directlypponthemachine frame,and. the attachments/above-.=describednm-aya be-rsef- 1 Patentagainst which" the knee. 'of the operatoris pushed, and by pressing upon thispiece with the knee the lever 31 may be swung, thus tiltin g the-lever 28 and, moving: the arm 16.. and

carriage ,-11--;' sofas .towbringthe line spacei-lel- 1 V verl3in-contact withtheecam-likeframe 23",, r was; already described.

- If desired, :thewbell-tcrank x leverr18nn1ayab .cu-red to: a typeWI-iter l0f-1;3{Ily,ki]1d.i= without departingfnomthespirit ofrmyiiniventionpthe necessary changes rinstheepartswbeing merely in: form-and not in prineiple.

Having thus desc'ribedre ny;: invent-ion,=I claim as mew 1-and-=des-ire. *torsecnre -by-/:Letters 1.,. The combination, with the type-frame .jaiid .fithercarriage provided .iat i its right-hand front corner with the depending pivoted linespacelever 13, adapted to rotate the papercylinder, of the cam-like frame 23 in the path of the lever 13, having, a. flange 24 at its inner endsecured to thefront edge of the frame 10, and an inward-bent arm 25, slotted at 26 and tboltedljtoithe-endredgemf the frame, as at 27,

substantially as set forth.

2. The combination of the type-frame, the sliding. carriagell, provided with the depending line spaceleveriat its outerright-handcorner, theverticaliy-swinging lever 16, pivotally connected at its upper end with the rear end of the carriage, arhorizontally-rswinging knee- -r;le,ver=.33 ,31,-pimted hGtWGBD-i'itSTGDdS, and the vertica1ly+swiifgingalever;28,rhaving a fork at ..itslu pper: en d :embraei-n g the:-lever -l6 .and pivrotallyconngectedaat-iitsxlowerend'with'thercar iendiofrthe ihn'eeeleeer, with thecam-like; frame secured to the front right-hand connerzofithe frame in: therpathroftherlepending: lihe space uleverrtoi throwtsaidnamnsandzt lll'll'r the paper- ;cyl-inderusubstantiallyiasrset(forth.

x GEQRGE 'FLTJQAR.

itnesses f .aSaLAMB,

I. A: PENiCE.

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