US1173450A

US1173450A - Copy-holding pointograph.

Info

Publication number: US1173450A
Application number: US73367612A
Authority: US
Inventors: Louis T Mathews
Original assignee: Individual
Current assignee: Individual
Priority date: 1912-11-22
Filing date: 1912-11-22
Publication date: 1916-02-29
Anticipated expiration: 1933-02-28

Description

L. T. MATHEWS.

COPY HOLDING POINTOGRAPH.

APPLICATION FILED Nov. 26. I9I2.

Patented Feb. 29, 1916.

2 SHEETS-SHEET l.

abbot/14u13 L. T. MATHEWS.

COPY HOLDING POINTOGRAPH.

APPLICATION FILED Nov. 26. 1912.

l 173,459. l Patented Feb. 29,1916.

2 SHEETS-SHEET 2.

THE COLUMBIA PLANOGRAPH Co.. WASHINGTON, D. C.

LOUIS T. MATHEWS, OF SAN ANTONIO, TEXAS.

COPY-HOLDING POIN'IOGRAPH.

Specification of Letters Patent.

Patented Feb. 29, 1916.

Application led November 26, 1912. Serial No. 733,676.

To all whom t may concern.'

Be it known that l, LOUIS T. MATHEws, a citizen of the United States, residing at San Antonio, in the county of Bexar and State of Texas, have invented certain new and useful Improvements in Copy- Holding Pointographs, of which the following is a specification.

My invention relates to copy holders and indicators and shifting mechanism therefor, and the object is to provide simple and inexpensive apparatus for holding documents to be copied and for indicating the particular line and word to be copied and for shifting the holder and for feeding the document through the holder automatically, and to operative connections between said devices and the typewriter carriage whereby the devices will be automatically adjusted and operated by the moving parts of the typewriter so that the indicator will move step by step to the neXt word, letter or figure to be copied and the document will be shifted line by line. Means are also provided for changing the beat or travel of the indicator to longer or shorter lines so that the indicator may be made to point to different sizes of type or differently spaced letters or figures and also dierently spaced lines. I do not limit my invention to typewriters as the devices can be used with writing or copying machines generally. It is apparent that these devices can be used with typesetting or linotype machines. Other objects and advantages will be fully explained in the following description, and the invention will be more particularly pointed out in the claims.

Reference is had to the accompanying drawings which form a part of this application and specification.

Figure 1 is a front elevation of the copy holder and indicator. Fig. 2 is an inverted plan view, showing the speed changing mechanism. Fig. 3 is an end elevation of the same, showing the line spacing mechanism. Fig. 4 is a broken sectional view, illustrating the detail of the speed varying mechanism. Fig. 5 is a detail view of one form of feeding mechanism.

Similar characters of reference are used to indicate the same parts throughout the several views.

The holder is provided with a platform 1 which is supported above the typewriter platen by curved supports 2 which are riveted to the bottom of the platform 1 and attached to the typewriter frame or other stationary support. The copyholding mechanism is operatively connected to the typewriter carriage by a pulley belt 3 which is attached to standards 4 which standards are attached to the typewriter carriage (not shown). The belt 3 runs on pulley wheel 5, pulley wheel 6, thence on guide pulley wheel 7, and then on pulley wheel 8. The belt 8 is the driving belt for the other gearing connected with the copy holder platform. By means of the pulley wheel 6, the friction disk 9 is driven. rThe friction disk 9 drives a friction pulley 10 which is rotatable with a shaft 11. T he pulley wheel 10 is rigid with a sleeve 12 which is axially movable on the shaft 11, but is made to turn therewith by a pin 13 which is rigid with the shaft 11 and projects through a slot 14.- in the sleeve 12. The shaft 11 drives a friction pulley 15 which has a sleeve 16 rigid therewith. The wheel 15 and sleeve 16 are movable axially on the shaft 11 but are made to turn therewith by a pin 17 which is rigid with shaft 11 and projects through a slot 18 in the sleeve 16. The friction pulley 15 drives a friction disk 19 which is rigid with a pulley wheel 20. The shaft 11 is journaled in bearings 21 which are mounted on the bottom of the platform 1. The pulley wheels 5 and 8 are supported in bearings 22 which are attached to the bottom of the platform 1. The wheel 20 drives a belt 23 which runs over pulley wheels 24 and a guide pulley 25. The pulley wheels 24 are journaled in bearings 26 which are attached to the underside of the platform 1.

The travel of the indicating mechanism is varied by shifting the

friction pulley wheels

10 and 15 to different positions on the disks 9 and 19 respectively. A portion 27 of the shaft 11 is threaded and a handwheel 28 which is threaded interiorly to run on the threaded portion 27 of the shaft. The handwheel 28 has grooves in its hub, one on each side thereof and the sleeves 12 and 16 have hooks 29 which engage the grooves in the hub of the handwheel 28. When the handwheel 28 is turned the

friction pulleys

10 and 15 are shifted simultaneously to different positions on the disks 9 and 19, and in this manner the speed of the movement of the indicating mechanism can be varied as may be necessary. The indicating mechanism is slidably mounted on rods 30 which are supported in the standards 31 which.

tachment thereof to a plate 34. The indicator 35 is supported in the carrier 32 and the carrier 32 has a guide 36 which prevents the pointer 35 from extending down against the typewriter mechanism. The indicator 35 is fed downwardly by a rack 37 formed on one edge thereof and a feed dog 38 which is pivotally mounted on a lever 4l. The belt 23 is made to move the carrier 32 by a cam lever 39. The belt 23 passes through the cam lever 39 and through a bracket 40. The lever 39 is pivotally mounted on the bracket 42 and the lever 39 and the bracket 40 have perforations for the passage of the belt 23. When these perforations are in line with each other, the belt 23 passes without moving the carrier 32. When the lever 39 is pressed down, the perfor-ations are forced out of line and the belt 23 is gripped by the lever and the bracket so that the carrier 32 must move with the belt 23,. When the cani is released the belt 23 will move through Vthe cam and the bracket without moving the carrier 32. I/Vhen the cam is pressed down the carrier is attached to the belt and willl be moved when the belt 23 is moved.

It will be understood that the belt is driven in one direction,in the direction of the arrow heads for feeding, and then in the other direction by reason of the fact that the ends of the belt 3 are secured to the opposite sides of the typewriter carriage. The feed lever 41 is pivotally mounted on the carrier 32 and projects slightly Vunder the platform 1 and a stud or trip 42 is adjustedly attached to the bottom of the platform l so that it can be set at different points under said platform. The lever 41 will strike the trip 42 at the end of the travel of the carrier 32. The lever 41 will cause the dog 38 to move the indicator 35 down one tooth. The trip 42 is set at the point where the carrier 32 must stop, or when the line has been. copied to the end. When the lever 41 strikes stud or trip 42, the dog 38 moves the indicator down so that the indicator will point to the next line to be copied. A spring 43 is attached to the plate 34 and to the dog 38 to press the point or nose of the dog against the rack 37.

It must be understoodv that the indicator is moved vertically only when copying is to be done from a Hat sheet or book and the operation is as above described.v If the copying is to be done from paper which is rolled on the roller 44, hereinafter described, the indicator 35 will not be moved vertically as in copying from a flat sheet. is set at the right height to point to the line which is exposed on the roller 44 and is not moved by the feeding mechanism 'above The indicator' described.l In order to prevent the working of the feeding mechanism, the trip 42 can be removed from the bottom of the platform. I/Vlien therpaper is rolled on the roller 44,

the paper is moved instead of the indicator and meansy are provided lfor revolving the roller 44 to move the paper a line at a time. A rack is made rigid with the roller 44 and a dog 46 is provided to actuate the rack Y 45. The dog 46 is mounted' on rocker shaft 47. The rocker shaft 47 and the dog 46 are of the usual typewriter construction with springs for controlling the same. An arm 43 is attached to the front end of the shaft 47. When the carrier 32 moves to the right it will strike the arm 48 and rock the shaft 47. This will cause the dog 46 to move the rack and thus move the roller 44 to bring the paper one line higher so that the line can be copied. A paper holding roller 49 is provided and pressed against the roller 44 by springs 50. A paper release 51 is pro- Y vided for overcoming the tension of the springs 50 when the copy is to be released.

A paper guard 52 cooperates with the roller 44.

There are two paper holding devices pro- 1. In a writing machine provided Ywith a.

movable carriage, the combination of a platform rigid with said machine, copy-y holding members stationary on said platform, a movable indicator operatively connected tovand actuated by said movable carriage to move from word to word, means for causing said indicator to travel a greater or less distance during each movement thereof,

and means for movingsaid indicator from line to line.

2. In a writing machine provided with a movable carriage, the combination of a platform rigid with said machine, copy-holding members stationary on said patform, a movable indicator operatively connected to and actuated by said movable carriage to move from word Vto'word, and means for varying the speed Vof the indicator.

F or sheets of paper, from which 3. Ina writing machine provided with almovable carriage, the combination of a platform rigidwith said machine, copy-holding members stationary on said platform, a movable indicator operatively connected to and actuated by said carriage to move Ithe indicator from `word to word, and gearing mountedV ony the underside of lsaid-platform for varying the speed of the movement of said indicator.

4. In a Writing machine provided with a movable carriage, the combination of a platform rigid With said machine, copy-holding members mounted on said platform, a movable indicator mounted on said platform, pulley Wheels mounted on the underside of said platform and a belt attached to both ends to said movable carriage and running on said pulley Wheels for driving the same, a pair of friction disks and shafts therefor, one of said disks being driven by said pulley gearing, friction pulleys driven by said driven disk for driving the other disk, pulley gearing driven by the last mentioned disk and operatively connected to said indicator for moving the indicator, and means Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents,

for shifting said friction pulleys to different parts of said disks to vary the speed of movement of said indicator.

5. In a Writing machine provided with a movable carriage, the combination of a platform rigid With said machine, a copy-holding member stationary on said platform, a movable indicator operatively connected to and actuated by said movable carriage to move from Word to Word, and means for moving said indicator from vline to line.

In testimony whereof, I set my hand in the presence of two Witnesses, this 21st day of October, 1912.

LOUIS T. MATHEVVS.

Witnesses:

A. L. JACKSON, J. W. SUTT.

Washington, D. C.