US825968A - Type-writer shuttle and driving mechanism. - Google Patents

Description

PATENTED JULY 17, 1906 J. B. HAMMOND. TYPE WRITER SHUTTLE AND DRIVING MECHANISM.

APPLICATION FILED DBO. 10. 1904. RENEWED JUNE 15, 1908.

J Jive/6k) UNITED STATES PATENT orFIo JAMES BARTLETT HAMMOND, OF NEW Y TYPE-WRITER SHUTTLE AND DRIVING MECHANISM.

Patented July .17, 1906,

Application filed December 10, 1904. Renewed June 16,1906. Serial No. 321.915."

To all whom, it may concern.-

Be it known that I, JAMES BARTLETT HAM- MOND, a citizen of the United'States, residing at New York, N. Y. have invented certain The invention consists in the features and combination and arrangement of parts hereinafter described, and particularly pointed out in the claims.

In the accompanying drawings, Figure 1 is a plan view of a shuttle with its anvil and the zTdriving mechanism immediately associated with the shuttle. Fig. 2 is a central vertical sectional view from front to rear through the shuttle and its driving mechanism and anvil. Fig. 3 is a plan view of the shuttle detached. Fig. 4 is a sectional view of the shuttle detached. 5 is a plan view of part of the driving'mechanism for the shuttle. Fig.6 is a plan view of the speed-dogs forming part of the driving mechanism. Fig. 7 is a perspec-v tive view of one of the speed-dogs. Fig. 8 is an elevation of the speed-dog's. Fig. 9 is a plan view of a device for operating a part of the shuttle-arm to release the shuttle. 10 is ade'tail perspective view of a reinforcing piece for theshuttle. V

In the drawings, 1 indicates the center post of the print mechanism, upon which is supported the anvil 2, which is of ring form.

The shuttle is also of ring form as shown at 3, and surrounds the anvil. In order to secure lightness and strength, I form the shuttle of hard rubber and reinforce or strengthen it by means of a'flange or fin 4, which extends entirely around the inner side of the circular shuttle. I prefer to make this flange or strengthening piece of metal and mold the rdbber into connectiontherewith, though I do not wish to limit myself to a metal flange or to one which is formedindependently of flange may application and attached to the shuttle, as an integral be used, such as is illustrated inmy for Letters Patent of the United States, filed October 21, 1904, Serial No. 229,445. In the present instance I show the flange as located at a point intermediate of the upper and lower edges of the shuttle and preferably at asubstantially central point] The metal flange is-provide d with it seriesfof, annular points 5, some of which extenddfi wmily and others downwardly from. .t if flange, and these are perforated, and when the'shuttle is molded into connec'tionwith the flange the rubber or material of the shuttle is composed enters the perfora tions 6 in the projections of the flange, and thus acts as rivets to hold the flange and theshuttle-rim firmly together. A shut tle thus constructed is very 'l-ight,.Weigh-, ing only a fraction of an ounce, and it pre sents all necessary rigidity and stiffness for withstanding the Work to which it is subsurface is resented for carryin'ga maximum number 0 characters. The anvil associated. -wit h this form of shuttle having a continuous circular flange intermediate of its height is of parts, the lower part 2' bein suitably se cured to the central post '1, while the upper part 2 is adapted to be removed, and thus permit the shuttle to be removed and-reanvil are held against circumferential dis placement with each other by apin'7j on one part fitting in an opening in the other part. The flange of the shuttle extendsinto the eanvil and is free to move between the two parts circumferentially' thereof. A washer 8 is preferably employed between the two parts of the anvil surrounding 1 the center post. For holding the upper vil in place an arm 9 is employed, the endpf which is adapted to fit in as 0t or notch'in the top of the anvil-post, and thus'it overlies the hub or central portion 101016 the upper part of the anvil. in the known form of Hammond type-writer and needs no special description.

The shuttle is driven by anarm 11 -,adapt 12 in the flange of the s uttl'e. The. resent shuttle indicates that there are three onts of type carried by the shuttle or three different sets of characters for diflerent l anguages,arid,

videdfor each set of characters belonging to one language. At the point. where" the notches are formed thafl nge' oi the shuttle is widened inwardly,ja'ridI prefer to employ at the notch a reinforeing' p'ie'ce 1 3'( shownin' jected. Being made circular in form,,a large' I special construction and consists of two placed when desired. The twd of the iplace between the upper and lower partsof part of the-an This arm 9 is arranged as IOO ed to turn about .the anvil-postandhaving an upturned end 5, adapted tofitin notches secondly, there is one of the notches 12'p IIO Inorder to providemeans for readily shift-' ing from" one set of characters to another or from one language toanother, I employ a release device for the upwardly-extending fin er 5. This device consists in the present ein odiment of my invention of'a slide 17,

having-a downwardly-turned end 1 8, arranged to he normally in rear of the normal position of the upwardly-extending finger 5. The

slide has an elongated opening 19 at itscentral portion, whereby it is guided on the flattened sides 20 of the collar 10, surrounding the center post. The slide at its front end is provided with an upturned finger-piece 22, and by grasping this and drawing the slide forwardly the finger 5 will be withdrawn from the notch in the flange of the shuttle, and

- then the shuttle maybe twirled so as to bring a 'difierent set of characters to the printing point.

While I have shown a shuttle in the form of a ring, I'do not wish to limit all features of my invention to their combination with a shuttle. of this character, as other forms of shuttle may be used in connection with some of the features of the invention. In order to drive the shuttle-arm, I employ driving-- arms 23, adapted to swing toward the front and rear, as in the ordinary Hammond typewriter, the said arms being provided with "toothed portions 24 at their up or ends adapted to engage pins 25, carried speeddogs 26, which are adapted to swing around the center post. These speed-dogs have notches 27 near their outerends adapted to.

engage a in 28, projectin downwardly from the shutt e-arm. Normally the speed-dogs lie in the position indicated in Fig. 5, and when a driver '23 is operated the correspond-,

ing speed-do will be turned about the center post and will contact with the pin 28, and thus swing the shuttle-arm to bring the desired character to the printing-point. The general action and advantages of these speeddogs are fully brought out 1n my application above referred to and need not be particularly described herein further than to say that by their use rapidity in the operation of the machine is secured.

I do not wish to limit myself to a sliding releasing device for releasing the shuttle-arm from the shuttle, as the same result ma be accomplished by the use of a pivoted re easin device.

It will be noticed from Figs. 7 and 8 that the speed-dog instead of being formed with elongated sleeves surrounding .the center post, as in the specification above referred to,

are provided with rings, one at the top and one at the bottom, surrounding the center post and turning thereon, this construction,

face of the It will be seen that-thy the construction above described the-shuttle can bea'released from its driving mechanism withoutmoving the shuttle from the horizontal -planef in which it is located. This is rendered possible because the flan e of the shuttleis' pro:

vided with the note ies opening inwardly to the inner ed e thereof and because the finger of the shutt e-arm is adapted'to' be pressed radially inward to release the shuttle. Heretofore in changing a shuttle in this type of machine it has been customary to raise the shuttle from its workin position in order to disengage it from this s iuttle-ar m but.such

action in the present arrangement is not necessary. i

I claim as my invention- 1. In combination in a type-Writer, an

, anvil and a shuttle of unbroken-ringf0II I 1,'?:1

having a continuous flange formed separately.

therefrom and attached thereto, said flange,- extending entirelv around the circularshuttle, substantially hs described.

2TA type-writer shuttle composed of rubber, and a metallic flange having points projecting at right angles thereto and embeddeal in the rubber, said points being perforated to receive a part of the rubber, substantially as .1

described. Y

3. In'combination in a type-writer, a shuttle :of unbroken-ring form having a continuous flange on its inner side and an anvil formed in two parts,one of which is 'remov able to permit removal and. replacing of the shuttle, the flan e of which works between the two parts of the anvil, the said shuttle being open within the flange, and a shuttle-armworking in the open space and engaging the continuous flange, substantially as described.

4. In combination in a type-writer, a.shuttle; a shuttlearm having a finger engaging a notch in apart of the shuttle, and a releasing device adapted to withdraw" thezsaid finger. from the notch to'permit circumferential ad-' justment of the shuttle, substantially as described.

5. In combination in a type-writer, a shuttle, a shuttle-arm en aging a notch therein .and a sliding release evice for detaching the shuttle-arm from the shuttle; substantially as described.

6. In combination, the anvil, the anvilfoo post, theshuttle, the shuttle-arm having a 30 finger engaging a notch in the shuttle, and a 8. Incombinationwith a shuttle, the anvil, releasing device to engage the said fin er and the anvil-post, speed-dogs for dri the withdrawit from the shuttle, said re easing shuttle, each havmg upper and lower eardevice being sup orted on the center post, ing-rings to en age the center post, substan :5 5 substantially as escribed. tially as descri ed. I i

7. In combination in a type-writer, an In testimony whereofI afiixmysignature anvil having a series of bearing points or in presence of two witnesses.

blocks inserted therein and projecting slightly JAMES BARTLETT HAMMOND, from its surface, and a shuttle adapted to Witnesses: v

10 move on the said points, substantially as de- CHAS. M. STEIN I scribed. 4 JOHN M. BANOROFT.

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