US578680A

US578680A - Type-writing machine

Info

Publication number: US578680A
Authority: US
Publication date: 1897-03-09
Anticipated expiration: 1914-03-09

Description

(NQ Model.)

4` Sheds-Sheet 2. il Z. G; SHOLES.

TYPE WRITING MACHINE. A

Patented Mar. 9, 1897.

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Z. G. SHOLES. TYPE WRITING MACHINE.

No. 578,680. Patented Mar. 9, 1897.

UNITED STATES PATENT OEErcE.

ZALMON G. SHOLES, OF EVANSTON, ILLINOIS, ASSIGNOR, BY MESNE ASSIGNMENTS, TO CHARLES N. FAY, OF CHICAGO, ILLINOIS.

TYPE-WRITING MACHINE.

SPECIFICATION forming part of Letters Patent No. 578,680, dated Illlfarch` 9, 1897'.

Application led March 28, 1895. Renewed January 9, 1897. Serial No. 618,672. (No model.)

To all whom it 71mm/ concern):

Be it known that I, ZALMoN G. SHoLEs, a citizen of the United States, residing at Evanston, county of Cook, and State of Illinois, have invented certain new and useful Improvements in Type-Writing Machines, of which I do declare the following to be a full, clear, and exact description, reference being had to the accompanying drawings, forming a part of this speciiication.

The present invention has relation to that class of type-writing machines in which the types whereby the printing is effected are sustained by the ends of pivoted bars that are caused to strike at a common point in the act of making their impressions, and more especially does the invention relate to that class of type-writing machines in which several types are mounted upon the type-bars and provision is made whereby either type of any bar can be caused to print at the common impression-point.

The main objects of the present invention are, first, to provideiniproved means for connecting the type-bars with the disk or basket whereby these bars are carried; second, to provide improved mechanism for eifecting the bodily shift of the type-bar connections whereby the type-bars are operatively joined to the key-levers; third, to improve the mechanism whereby the type-carrying disk or basket is shifted in order to cause all the types to print at thecommon impressionpoint, and, iinally, to improve the machine in certain details to be hereinafter set forth. These various objects of invention are accomplished by the novel features of construction hereinafter described, illustrated in the accompanying drawings, and particularly deiined in the claims at the end of the specification.

Figure 1 is a view in horizontal section on line 1 1 of Fig. 2. Fig. 2 is a View in central vertical transverse section through the machine embodying my invention. Fig. 2a is a detail side elevation of the lower end of one of the bars operating the type-bars. Fig. 3 is an inverted plan view of the top of the main frame, showing the parts connected thereto. Fig. 4 is a detail perspective view of a portion of the disk whereby the type-bars are sustained, one of the type-bar hangers being shown in position. Figs. 5 and 6 are detail perspective Views of parts of the type-bar hangers. Fig. 7 is a detail perspective view of the top portion of the upper-case key-lever and a portion of the disk-shifting lever andthe lock. Fig. 8 is a perspective View of the typedisk and parts rigidly connected" thereto. Fig. 9 is a view in section on line 9 9 of Fig. 1. The main frame A of the machine is of usual or suitable construction, the top plate of the main fra-nie being provided with an opening, beneath which will be mounted the type disk or basket In. In the accompanying drawings I have shown this disk B as provided with the lateral extensions b b and the rearward extension ZJ. The extensions l) b -rest upon suitable balls 5, that are sustained .The disk B serves to carry the type-bars 10,

that are connected to the disk B by hangers, the construction of which is more particularly seen in Figs. 4, 5, and 6 of the drawings. Each of the type-bar hangers comprises the journal-arms 11, the outer ends of which are provided with bearing-seats to receive the journal-pins or trnnnions of a type-bar 10. The arms 11 set within grooves 13, that are formed on the upper face of the disk E, and over these arms 11 extends a cap-plate 12, that bears against the top edges of the arms 11, and this cap-plate 12 is held in place by a screw 15, that passes into a threaded hole 16, formed in the disk or annulns B. My purpose. in thus constructing the type-bar hangers is not only to enable the type-bars t0 be readily and securely set in position for use, but to permit these bars to be conveniently adjusted when necessary. It will be seen that when the journal-pins-of a typebar 10 have been placed within the bearings 14 of the arms 11, these arms being within the slots 13, the cap-plate 12 will be placed over the arms and the screw 15 tightened. If it is desired to adjust the typebar in or out, this maybe readily effected by ICO loosening the screw 15, after which either or both the arms 11 can be slid freely along their grooves 13, so as to permit an easy and accurate adjustment of the typebar. this means the type-bars can be adjusted in or out, or by moving one of the arms 11 more than another a lateral adjustment of the types can be effected.

In order to effect a shifting of the typedisk back and forth, so as to cause the various types at the ends of the type-bars lO to print at a common point on the platen, I provide the disk B with a depending pin or stud b2, that passes through a slot d, formed in vlthe shifting-lever D, (see Fig. 3,) this shift-4 ing-lever being pivotally mounted, as at d', on the under side of the top plate of the main frame. The rearward extension b of the typebar carrier or disk B is preferably provided with a slot 80, into which passes a stop-pin Sl, depending from the top plate of the main frame and serving to limit the movements of the disk B. Preferably the free end of the shifting-lever D is provided with a slot (Z2, through which passes a screw d6, that enters a threaded hole in the under side of the top ,plate of the main frame, the head of this screw d6 affording a support for the end of the lever D. By reference more particularly to Fig. 7 it will be seen that the 4free end of the lever D is provided with notches to'receive the yoke-shaped arms e of the upper-V case-shifting key E, that is pivotally mounted, as at e', upon the main frame, (see Fig. 2,) the lower end of the key E being bent downwardly and forwardly and being provided with a finger-piece e2. (See Fig. 1.) To the free end of the shifting-lever D isconnected a coil-spring 18, the opposite end of which is attached to the under side of the top plate of the main frame, and this spring 1S serves to normally hold the lever D and the type disk or plate B in the position which they occupy when the lower-case letters of the alphabet are to make their impressions.

From the foregoing description it will be Seen that when the finger-piece c2 of the upper-case lever E is depressed this lever E will be rocked about its pivot-point e and will force forwardthe shifting-lever D, causing this lever D, by Yreason of it-s enga-gement with the pin b2, to correspondingly shift the type-carrying disk or 'plate B, and if any type-bar be operated while the upper-case lever is in the position last described the upper-case type upon such bar will be caused to strike at the common printing-point. As soon, however, as the pressure upon the finger-piece e2 of the upper-case key is released the spring 18 will retract the type-disk B to its normal position. My purpose in employing a shifting-lever D is to enable an easy shift of the disk to be effected by a very slight expenditure of force upon the part of the operator.

By reference to'Fig. 7 of the drawings it will be seen that when the parts are in the normal position there shown a latch-bar F, that is pivotally connected, as at f, to ahan ger 20, depending from the under side of the top plate of the main frame, will have its shoulder f' in engagement with the forward edge of the type-disk B, and will consequently retain this disk and the type-bars carried thereby against danger of accidental movement. In order to release the latch-bar F, one of the arms e of the upper-case lever E is provided with a pin 21, that will engage a cam-face projection f2 upon the under side of the latchbar F. Hence it will be seen that as soon as the upper-case lever E is retracted the pin 21 will cause the latch-bar F to be lifted and thus permit the shiftinglever D to retract .the disk B.

NVithin the base of the main frame A are pivotally mounted, as at g, a series of keylevers G, the front ends g of which are turned upwardly at substantially right angles to the bodies of the levers and are provided with the usual finger-pieces g2. The upturned portions g of the key-levers Gare formed integral with the bodies of the levers, and I have found that by bending around and upwardly the ends of the key-leversand iiattening the upwardly-bent ends upon the bodies of the levers a very strong and rigid support for the linger-pieces can be obtained at a minimum cost.

To each of the type-bars 10is pivotally connected a rod 30, (see Fig. 2,) the lower end of this rod being adj ustably united, as at 8l, to a bar H. The connection between the type-bar 10 and the rod 30 at the rear of the machine, Fig. 2, is shown somewhat differently from the connection between the type-bar 10 and the upper end of the rod 30 at the front of the machine, but any suitable connection between the rods 30 and type-bars 10 may be used, as such is no part of the present invention.

Preferably the upper end of this bar H is furnished with a perforated boss 71 through which the threaded end of the rod 30 passes, and the lower end of the bar H is formed with a depending portion hl, havnga slot h2, that receives a pin 40, that is connected to and projects from the corresponding keylever G. Hence it will be seen that whenever a key-lever G is depressed a corresponding downward movement of the bar H and rod 30 will occur, thereby causing the connected type-bar 10 to be raised for the purpose of making an impression. To the underside of the type-carrying disk or plate B is connected a shifting-frame that is'formed, preferably, of depending arms K and K', the upper ends of these arms being fastened to the typedisk B, as at 7c, while their lower ends are connected by a transverse rod 7a', that extends through the vertical slot h3, formed in each of the bars H, between the body of the bar and the short upward extension h4 thereof. (See Figs. 1, 2, 8, and 9.)

Each of the rods 30 at the front of the ma- 'IOO IIC

chine and each of the rods 30 at the rear of the machine are connected to a bar H of like construction, and each of these bars H consists of a single upper curved portion, at the lower end of which is formed the horizontal slot h2 and the vertical slot h3, said vertical slot extending between the short vertical piece h4 and the dependent vertical portion of the body of the bar H. The bars H that are attached to the rods 30 at the front of the machine are arranged in opposite direction from the bars H at the back of the machine, and consequently in Fig. 2 of the drawings the lower part of the bar I-I that connects with the rod 30 at the front of the machine is not shown, because said lower part of such bar is behind the corresponding part of the bar I-I that connectswith the rod 30 at the rear of the machine.

The purpose of the arms K, with their connecting-bar la', is to afford a shifter, whereby the bars H (or other connections between the key-levers and the type-bars) will be caused to move in unison with the shifting type-carrying disk B; and it. is manifest that each time the disk B is shifted the bars K and rod la will be moved with the disk and a corresponding shift of the bars H will occur, while at the same time a uniform connection will be maintained, by means of'the pins 40 and slots h2, with the key-levers G. Inasmuch as certain of the type-bars l0 are pivotally mounted in those parts of the type-disk above the upper ends of the arms K and almost immediately above the points at which their connections unite with their corresponding key-levers, the motion imparted to the connectionsof such type-bars is so slight that.

9) as pivotally connected directly to their key-levers G. With the greater number of type-bars, however, vtheir location upon the type-disk is so far from their point of connection with their key-levers that some provision must be made for shifting the typebar connections in order to insure their aocurate and effective operation and avoid the danger of lifting or straining the key-levers as the type-disk is shifted back and forth.

I do not wish my invention to be understood as restricted to the specific construction of shifting-frame consisting of the arms K,united together at their lower ends, since manifestly any other suitable type of shifter that will effect the movement of the type-bar connections in unison with the disk B can be employed.

It is manifest that the details of construction above set out may be varied without departing from the spirit of the invention. Thus, for example, any other suitable form of type-bar carrier may be substituted for the diskor plate shown, and I do not, therefore, wish the invention to be understood as restricted thereto.

Having thus described the invention, what I claim isl. In a type-writing machine, a hanger for sustaining the type-bar comprising two joui'- nal-arms whereby the trunnions or journals of the type-bar areheld, said journal-arms being independently adjustable toward and from the printing-point, a cap for clamping said arms in position and a screw for fixing said cap'in place. 2. In a type-writing 'machine, the combination with a disk or plate for sustaining the type-bars, provided in its upper face with a series of radial grooves 13, of independentlyadjustable journal-arms 1l mounted in said grooves 13 and a cap-plate le resting upon and extending between said journal-arms Il, and a screw connecting said cap-plate with said disk.

3. In a type-writing machine the combination with a series of key-levers and with a shifting disk or plate provided with a series of type-bars, of suitable connections uniting said type-bars and their key-levers, and a shifter whereby said connections are caused to shift in unison with said disk or type-plate.

4:. In a type-writing machine, the combination with a series of key-levers and with a shifting disk or plate provided with a series of type-bars, of suitable connections uniting said type-bars and their key-levers and a shifter connected to said disk or plate and to said connections, whereby said connections are caused to shift with said disk or plate.

5. In a type-writing machine, the combination with a series of key-levers and a shifting disk or plate provided with a corresponding series of type-bars, of a series of bars or connections united to said type-bars and united by a shifting connection with said keylevers and a shifter Xed to and depending from the under side of said disk or plate and united with the bars that connect the typebars and the key-levers, whereby said bars are caused to move with said disk or plate and independently of said key-levers.

6. In a type-writing machine, the combination with a series of key-levers and with a shifting disk or plate, provided with a corresponding series of type-bars and witha series of connections uniting said type-bars and said key-levers, of a shifter for causing the unison movement of said connections with said disk or plate, said shifter comprising arms depending from each side of the disk or plate and connected with the several type-bar connections.

7. Ina type-writing machine, the combination with a series of key-levers and with a shifting disk or plate, provided with a corresponding series of type-bars, of a series of bars H connected to said type-bars and united by pin-and-slot connections with the typelevers whereby said bars may be shifted back IOO IIO

and forth independently of said levers, and a shifter connecting said bars with said disk or plate to effect the unison movement of such parts.

8. In a type-Writing machine, the combination with a series ofl key-levers and with a shifting disk or plate, provided With a correspondin g series of type-bars, of a series of bars or connections united with said type-bars and with said key-levers and movable back and forth independently of said key-levers at their points of connection with said levers, and a shifter united to said disk or plate and to said bars or connections.

9. In a type-Writing machine, the combination With a series of key-levers and with a shifting disk or plate, provided with a corresponding series of type-bars, of bars I-I havf ing dependent portions 7i provided With horizontal slots h2 and vertical slots 71,3, pins 40 connecting said bars with the key-levers, and a shifter comprising arms K connected to the disk or plate, said arms K being united by the rod kextending through the slots 72,3 of the bars H.

lO. In a type-Writing machine, a key-lever having its outer portion bent over and parallel with the plane of the lever to form a support for the finger-piece.

l l. In a type-Writing machine, the combination With a rigid keyboard and a shifting disk or plate B carrying type-bars, and with an upper-case key-lever E, of a shifting-lever D extending across and beneath the front of the top plate of the main frame, said shiftinglever Dbeing pivoted at one end and being connected at its opposite end to the uppercase lever and connected intermediate its ends to the disk or plate.

ZALMON G. SHOLES.

Witnesses:

GEO. P. FISHER, Jr., ALBERTA ADAMICK.