US642759A - Type-writing machine. - Google Patents

Description

No. 642,759. Patentd Feb. 6, I900. R. SCHADE.

TYPE WRITING MACHINE.

Application filed Dec. 28, 1897.

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TYPE WRI'HNG MACHINE.

(Application filed Dec. 28, 1897.\

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No. 642,759. Patented Feb. 6, I900.

11. SCHADE.

TYPE WRITING MACHINE.

(Application filed Dec. 28, 1897.) (No Model.)

3 Sheets-Sheet 3,

NrrED STATES PATENT OFFICE.

RUDOLF SOHADE, OF BERLIN, GERMANY.

TYPE-WRITING MACHINE.

SPECIFICATION forming part of Letters Patent No. 642,759, dated February 6, 1900.

Application filed December 28, 1897. Serial No.663,814. (No model.)

To all w/wm it may concern:

Be it known that I, RUDOLF SOHADE, a citizen of the Empire of Germany, residing at Heglitz, near Berlin, Germany, have invent- ""ed certain new and useful Improvements in Type-Writing Machines, of which the following is a specification.

This type-writing machine is of that class of machines in which the types are secured to suitable rods; and my invention concerns especially a particular system of displacement of the carriage which.produces a systematic arrangement of the letters, and consequently a regular print, which can be executed much more quickly than with typewriting machines actually in use. This machine also provides the means of obtaining several identical copies, and different organs are arranged to allow the optional intervals between the lines to mark the paragraphs, and for all the other requirements.

In the annexed drawings, Figure 1 is a side View of the interval-plate. Fig. 2 is a top view of same. Fig. 3 is a transversal section, and Fig. 4 a longitudinal section, of my improvement.

In the dilferent figures the same referenceletters denote identical parts.

A designates the type-rods of the machine; B the body; 0, the two metal curved plates,

forming sections of hollow spheres, in which the type-rods are guided; D, the table upon which the paper is placed; F, the rack of the paper-slide; H, the guideway, forming one piece with the body and upon which the paper-carriage slides; K, a rigid arm of the guide-rod, and 7a a flexible elastic escapement-pawl engaging the said rack; P, the interval-plate, to which the said guide-rod carrying the said arm and escapement-pawl is attached for feeding the paper-carriage; L, the guide-rod of the interval-plate; Q, the collars, arranged upon the type-rods and reg ulating the course of the interval-plate; R, the springs bringing the lowered type-rods back to their normal position, and T the keys, corresponding with the different letters of the type-rods, these keys being very conveniently placed.

This machine is used for producing printed or engraved matter and works as follows:

When one of the type-rods A is lowered, the collar Q, fixed to a suitable part of the rod, depresses the interval-plate P,with its guiderod L, and the interval-plate in its turn causes the paper-carriage to advance through the intermediary of the escapement-pawls K k and the carriage-rack F, engaging therewith. The type-rods A are guided in the metal hemispheres G, fixed at the top and bottom of the body B and passing freely through the interval-plate P, so that by exercising a pressure upon the heads of the rods the types, which are at the bottom end of the rods, successively stamp the roller paper through the printing-ribbon, (not shown in the drawings,) which passes above the table D and is pro vided with suitable and known mechanism to stretch the ribbon and displace it longitudinally. At the displacement of the interval-plate P the arm K, connected with this latter, is slipped through one of the grooves of the rack F, while the elastic tappet is then occupies the position indicated in Fig. 4 and makes the carriage advance slightly parallel with its axis after the printing of each letter. When the plate P moves upward, the pawl k slips into one of the grooves or recesses of the rack, behind the tooth previously acted on, and the carriage, owing to the pressurewhich is produced in the direction of the arrow, is displaced until pawl it rests again on the slide H. The guide L may also be arranged sidewise-for instance, in the position of the arm K-and the interval-plate P instead of being round may also have another shape-for instance, square.

Having fully described my invention, what I claim, and desire to secure by Letters Pat ent, is-

In a type-writin g machine the combination of a paper-carriage and a rack connected thereto with two concentric, perforated,

curved plates, each forming a section of a sphere,a perforated intervening plate,a series of type-rods passing through all three of said plates, collars arranged upon the said rods within the outer section or plate for acting on the interval-plate, the guide-rod L moving with the said interval-plate, replacing-springs for the said type-rods and guide-rod, a rigid arm K carried by the said guide-rod and a flexible elastic pawl 70 attached to the said my name in the presence of two subscribing rigid arm and engagingthe said rack, the said Witnesses. pawl being arranged and adapted to positively W feed the said carriage by its engagement there- RUDOLF SOHADE' 5 with under pressure of the operators hand, Witnesses:

substantially as and for the purpose set forth. CHAS. H. DAY,

In Witness whereof I have hereunto signed HENRY I'IASPER.

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