US716215A

US716215A - Intermediate-line-spacing device for type-writing machines.

Info

Publication number: US716215A
Application number: US5018301A
Authority: US
Inventors: James A Garland Jr
Original assignee: Individual
Current assignee: Individual
Priority date: 1901-03-07
Filing date: 1901-03-07
Publication date: 1902-12-16
Anticipated expiration: 1919-12-16

Description

' No. 7|s,2|5. PafentedDecQ l6, I902.

.1. A. GARLAND, .IR. INTERMEDIATE LINE SPACING DEVICE FOR TYPEWBITING MACHINES.

(Application-filed Mar. 7, 1901.)

2 Sheets-Sheet I.

'(No Model.)

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Patented Dec. l6, I902. J. A. GARLAND, In.

INTERMEDIATE L-d NE SRAWNQ DEVICE FOR TYPE WRITING MACHINES.

(Appligation filed Mar. 7. 1901.) (No Model.)

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A Fi .4. WE'IJESSESQ j A UNITED STATES PATENT Fries.

JAMES A. GARLAND,JR., OF HAMILTON, MASSACHUSETTS.

lNTERMEDlAIE-LlNE-SPACINGDEVICE FOR TYPE-WRITING MACHINES.

SPECIFICATION forming part of Letters Patent No. 716,215, dated December 9 Application filed March 7,1901.

To otZZ whom it may concern:

Be it known that I, JAM S A. GARLAND, Jr., a citizen of the United States, residing at Hamilton, in the county of Essex and State of Massachusetts, have invented a new and useful Improvement in Intermediate-Line- Spacing Devices for Type -Writing Machines, of which the following is a specification.

The object of myinvention is to provide an intermediate-line-spaeing device for typewriting machines of the class employing a paper-roll or paper cylinder, of which? the Remington machine is a well-known example.

It is often desired to print letters or figures at some intermediate point between two nor mal lines of printing-as, for example, in

writing exponents. To accomplish this Without the aid of an intermediate-line-spacing device itis necessary for the operator to turn the paper-cylinder by hand the desired distance from the normal line, hold the cylinder while he prints the desired letters or figures, and then turn the paper-cylinder back toits original position for continuing the printing upon the normal line, or to slip the paper upon the paper-cylinder, print the intermediately-spaced characters, and then slip it back. Such manual adjustment necessarily causes much lossof time, and, furthermore, the distance of the points at which the. intermediately-spaced characters are to be placed from the normal line can only bekept approximately constant by the exercise of the greatest care and attention,and consequently the' work usually presents a more or less uneven possible in writing, and it renders the intermediate lines uniform and fixed at a prede termined distance from the normal line, which distance I have made provision to regulate, as desired.

Serial No. 50,183- (No model.)

embodiment of my invention applied to a No. 6 Remington type-writing machine. Only those portions of the machine with which my invention is immediately concerned are shown in the drawings, as the machine as a whole is too Well-known to require illustration or detailed description. It is, however, obvious that my invention is adapted to be applied to any type-writing machine which employs a paper-cylinder adapted for spacing the lines.

In the drawings, Figure 1 is a plan view of one end of the paper-carriage and paper-cylinder and of my intermediate-line-spacing device attached thereto. Fig. 2 is a sectional View of the paper-carriage, taken through the line X X of Fig. 1, showing in elevation my intermediate-line-spacin g device in its normal or inoperative position and the end of the paper-cylinder. Fig. 3 shows the same View of the parts as Fig. 2, except that the linespacing device is shown in its operative position. Fig. 4 shows in, plan View the platen and its carriage, with the usual line-spacing mechanism at one end and the intermediateline-spacing mechanism at the other.

The same parts are indicated by the same letters of reference in all the figures.

A represents the frame of the paper-carriage, and B the paper-roll or paper-cylinder. Concentric with the paper-cylinder B and mounted on the axis 0 of the paper-cylinder and securely keyed thereto or to the cylinder is the cog-wheel-or spur-wheel D. In the .plane, ofthe spur-wheel D is the movable arm E, which may be pivoted at the rod a, which usually supports the index adjacent to the paper-roll or at any convenient point. This arm E is curved downward,so as to pass: under the spur-wheel D, as is shown in Figs. 2 and It is provided at its outer'end with the lever or key E. In its normalror inoperative position the arm E bears against the bottom of the paper-carriage frame A, and the:key E may be used as the handle'by which the paper-carriage is elevated for inspecting the writing. Integral with the arm E and in close proximity to and slightly above the center of the spur-wheel D is the clutch F, adapted to engage with the cogs of the spur-Wheel. The tension-spring S, attached to the frame A of the paper-carriage and to the arm E,no.rmally holds the clutch F out of engagement with the spur-wheel D. Consequently when my intermediate-line-spacing device is not in use it in no way interferes with the usual linespacing mechanism of the machine. The arm E is provided with the finger or stop G, which coming into contact with the frame A of the paper-carriage limits the downward movement of the armE. The length of such downward movement may be governed by using the set-screw H in the stop G. The number of cogs on the spur-wheel D corresponds to the number of cogs on the spur-wheel at the opposite end of the paper-cylinder, which forms a part of the ordinary line-spacing mechanism of the machine, so that in any position which the paper-cylinder may take under the control of the line-spacing mechanism of the machine a cog of the spur-wheel D will be brought into the proper relative position to the clutch F.

The operation of my device is as follows:

The operator, desiring to print upon a line intermediate between the normal lines of print, depresses the arm E by means of the key or lever E, overcoming the tension of spring S, until the movement is arrested by the stop G or the set-screw H, when the latter is used. The initial movement of the arm E brings the clutch into engagement with the spur-wheel D, and the continued movement rotates the spur-wheel and the paper-cylinder the distance desired for the intermediate linespacing. Uponreleasingthe keyE'thespring S at once returns the arm E to its normal position against the under side of the frame A, and the clutch F, bearing upon the cog of the spur-wheel D nextaboveit, returns the papercylinder to its original position and withdraws from engagement with the spur-wheel, leaving the paper-cylinder free to rotate under the control of the ordinary line-spacing mechanism of the machine.

The ordinary line-spacing device is indicated generally at "N, Fig. 4, wherein n is the operating-handle, and n the clutch mechanism.

I do not intend to limit myself to the spe cific form of clutch described above, as it is obvious that a friction-clutch or other form of clutch adapted to engage the paper-cylinder by an initial movement and to rotate the same independently of the line-spacing mechanism of the machine is within my invention.

What I claim, and desire to soon re b y Letters Patent, is-

1. An intermediate-line-spacing device for type-writing machines, comprising a clutch normally out of engagement with the papercylinder, means for engaging the clutch with the paper-cylinder and for rotating the same independently of the line-spacing mechanism of the machine, and means for automatically returning the paper-cylinder to its original position under the influence of the clutch.

2. An intermediate-line-spacing device for type-writing machines, comprising a spurwheel concentric with and secured to the paper-cylinder and a clutch normally out of engagement with said spur-wheel and adapted to be moved into engagement with said spurwheel and to rotate the paper-cylinder a predetermined distance independently of the line-spacing mechanism of the machine and means for automatically returning the papercylinderto its initial position under the influence of the clutch.

' 3. An intermediate-1ine-spacing device for type-writing machines, comprising a spurwheel concentric with and secured to the paper-cylinder, and a clutch normally out of engagement with said spur-wheel andadapted to be moved into engagement with said spurwheel and to rotate the paper-cylinder a predetermined distance independently of the line-spacing mechanism of the machine and adjustable means for limiting in scope the movement of the cylinder under the influence of the clutch to a distance less than a normal line-space, and means for automatically returning the paper-cylinder to its original position.

4. An intermediate-line-spacing device for type writing machines comprising a spurwheel concentric with and secured to the cylinder, and a clutch pivoted eccentrically with said spur-wheel normally out of engagement with said spur-wheel and adapted to be moved into engagement with said spur-wheel and to rotate the paper-cylinder a predetermined distance independently of the line-spacing mechanism of the machine, and means for automatically returning the papercylinder to its initial position under the influence of the clutch.

5. An intermediate-line-spacing device for type -writing machines comprising a spurwheel concentric with and secured to the paper-cylinder, and a clutch pivoted eccentrically with said spur-wheel normally out of engagement with said spur-wheel and adapted to be moved into engagement with said spurwh'eel and to rotate the paper-cylinder a predetermined distance independently of the line-spacing mechanism of the machine and adjustable means for limiting. in scope the movement of the cylinder under the influ ence of the clutch to a distance less than a normal line-space and means for automatically returning the paper-cylinder to its original position.

6. An intermediate-line-spacing device for type -writing machines, comprising a spurwheel concentric with and secured to the paper-cylinder, and a clutch resistingly held in its inoperative position out of engagement with said spur wheel by means of a spring, and adapted to be moved into engagement with the spur-wheel and to rotate the paper-cylinder a predetermined distance independently of the line-spacing mechanism of the machine and automatically to return the paper-cylinder to its initial position.

7. An iutermediate-line-spacing device for typewriting machines comprising a spurwheel concentric with and secured to the paper-cylinder, a clutch borne by an arm pivoted eccentrically with said spur-wheel, and resistingly held in inoperative position out of engagement with said spur-Wheel by means a of a spring and adapted to be moved into engagement with said spur-wheel and to rotate the paper-cylinder independently of the linespacing mechanism of the machine and to automatically return the cylinder to its initial position,and an adjustable stop to limit the movement of the clutch.

8. An intermediate-line-spacing device for type Writing machines comprising a clutch normally out of engagement with the paper- JAMES A. GARLAND, R.

Witnesses:

ROBERT CUSHMAN, FRANK S. HARTNETT.