US471795A - kidder - Google Patents

Description

(No Model.)

3 Sheets-Sheet f1.

W. P. RIDDER. VTIPI: WRITING MACHINE.

No. 471,795. Patente fm: mums ranas co., m1-runas., msnmarcu, une4 (No Model.) asneets-sneet 2.

W., P. KIDDBR.

A TYPE WRITING MACHINE. Np. 47`1,795. Patented Mar. 29, 1892. J J'laI 5J '14 .I

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UNITED STATES "PATENT Orr-ICE. f

WELLINGTON PARKER KIDDER, E BOSTON, MASSACHUSETTS, ASSIGNOR' oF if ONE-THIRD 'ro' CLEMENTl B. 'SMYTE TYPE-WRITINGMACHINE. i

sPEcrFIcA'rmN farming pm of Letters Patent No'. 471,7e5, dated Erm-h se, ieee.

Apenas@ files' umberto, A1,891.

To all whom :Zt-may concern.-

Beit known thatA I, WELLINGTON lPARKER KIDDER, df Boston, in the county of Suiolk and State of Massachusetts, have invented-a new and useful Improvement in Type-Writing Machines, of which the followingis'aspecification, reference being had to .the accompa- Vnying drawings,.in which-- Figure 1 '1s aplan of my new type-writer. Fig. 2 is a sectional elevation on line 2 2 of Fig. 1. Fig. 3,'s a rear elevation. Fig. 4 is a view showing the ribbon spools with. ribbon removed for greater clearness. Fig.. 5 is a detail view of atype-bar in different posi- Vwhich connects-each key-lever ywith its typebar. Fig. 7 is a perspective of my new panel type-bar. Fig. 8 shows the type-block. Fig.

9 is a diagrammatic view more completely illustrating the type-bar guides and beveled type-block. Fig. 1 0 is a side view of two sets of guides. Fig. 1l is aplan of the machine with parts removed for greater clearness. Fig.'12 is a top plan of the carriage-supporting mechanism. Y Fig. 13 shows a 'modification of the escapement mechanism and connected parts for the endwise feed of the carriage.-

My present invention is an improvement upon the type-writer described in ,my application, Serial N o. 386,133, filed March 23, 1891, vand allowed September 30, 1891; and it consists in various details-of construction, 'whereby the machine described in the -said proved 1n its construction, operation, and resu'lts. These features of myinvention are `pointed out and claimed hereinafter.

In the` drawings, A is the base; B, the key- 4o levers; B', aA rocker-arm connecting each keylever with its corresponding type-bar D, and v -G is the paper-carriage. The keyilevers B are vmounted 'on a cross-barb, supported 'in this form. of my machine, a 'cross-rib a, slotted 45 at to receive the key-levers, and each key- 5o ably slotted at d to receive the notched end. b' of theroclrererm Bhf-thm', is, this is the tions yto the guide at the printngpoint. v Fig. 6 is a perspective view of the rocker-arm.

allowed application is simplified and im.

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`-preferreril form vof connect-ingthese parts.

The end b is bent over at an angle and is notched at b2V 122,50 that one sidewall of slot that slot in notch b3.' Y The type-'bars D are mounted in vertical slots :c2 in rib a2, their front ends being between guides a, supported bythe guide-plate a4, over which the type-bars slide to deliver impression by end-thrust upon paper onthe platen'g of the paper-carriage G, which moves -is movable vertically.l A majority of the typebarssupprt two ormore characters each, the

on the front ends of the bars D. T he typeingthe-type-'block clears the griide which is opposite thebevel clv and 'allows side di? of type-block D;to impinge uponA side a7 of 'a Vguideagso that it is deiiected straight to the printing-point." Were the type-blocks not beveled at `d they would beapt to strike against the guide-blocks' a5 and pass between d', The bevelingisnot absolutely essential, the main feature being that the key-D is provided with an extension at each end of` tlfat v,part of the type-block on which the characters are, which extension serves as guides. These extensions are shown as parts of the typeblock; but it is manifest that they may be 1n.- tegral-with bars D, as may also be the type, if preferred. Thetype-bar-deiiecting guides a5, between which the' type-bars are thrust whenimpressio'n is taken, are each beveled on their opposed faces at a6 and are rigidly secured at the impression-point, the upper pair conveniently on an upright a7 andthe lower pair on guide-plate a The type-bars move endwise in paths radiating from the the sides of the bar directly facing the printporting ends for impression.A The .type-bars D |are, necessarily of considerable width vto prevent wabblig between the guides a3, but must be as light aspossible, and I therefore d lies in -notch bz'aud the otherlsidewall oi l endwise in the usual way,whil e the platen g characters being arranged one above the other '.bloefl'rs'D'.v 'on theends of theleversD are each v formedwltlia bevel d at each end, so that when the type-bar is thrust forward for prmtlthe,tejido-blocks with much greater friction I than -is now the'case, owing tothe beveling at 8 y printing-point, and those bars which are' at ing-point must be deflected at their type-sup- ICO . of frame A'. Rocker-arm h forni them with openings facing the ribs d4, which are ata suicientdistance apart to prevent wabbling and to minimize the weight of the bars. The T- shaped rocker-arm B' -forms part `of the spacing mechanism H, its

arm 3 engaging a cross-bar h, secured to a rocker-arm h', which is jonrnaled in lugs h2 is provided with a dog h3, fast on it, and with a sliding pawlh4, mounted on it. The dog and pawlengage a rack h5 on the paper-carriage. The construction and` arrangement of these parts are old and well known and require no further description. Rockershaft h is provided with an arm hworking against the force of a suitable spring J, conveniently mounted, as shown, one of its ends being secured to a part of frame A and its other end to the free end of rocker-arm h5.

Inasmuch as the types on a given type-bar are arranged one above the other it is necessary to reciprocate the platen in a vertical path. I, accordingly mount platen g in a frame g', provided with a groove g2 near its lower edge and extending from end to end of the frame, which slides up and down in vertical guideways g3 in the endwise-moving section g4 of carriage G. Those portions of section g4 whichare formed withthe guideways gs are provided with` racks g5, with which z nesh pinions gs, mounted on cross-rod g", Journaled in frame g', the cross-rod glbeing used to cause the pinions gato travel together and keep the sections of the carriage parallel one to the other. `Frame g' is lifted iu its ways by a cam-roll g8, pivoted 'on a studyg, fast on a lever g fast on a rocker-shaft g, journ aled at g12 and g13 in frame A. The camrod gs runs in the groove g2 in frame g. It 1s actuated by either of shifting-levers G G2, mounted on a rocker-shaftg14,journaled at g15 g16 in frame A. Rocker-shaft g has arms 917 gis, arm g" engaging end gli and arm g1B engaging end g of a double lever gm, rigidly mounted cn the front end of rocker-shaft gu.-

Atpeach endof double lever vg21 arranged to limi the rocking movements of lever g11 in each direction. When shiftinglever G is depressed, cam-roll g8 is raised through the connections described, carrying with it frame g', in which the platen is mounted -The cam-roll gs is held in one position by the action' of a spring'g23 pressing against a bar g2, which is pivotedto frame A at Q25 and engages projections Q26 and g27 on lever g1", projection Q26 being on one side of rocker-shaft g11 and projection g22 on the other side thereof. Normally, bar-g24 is in Contact a stop g22 is with both projections Q26 gw; but when key G' is depressed shaft g11 is rocked and projection g26 is carried away from the bar, the projection g2" being then moved against-the bar 924, compressing spring g23. lNhen pressure is taken from key G', spring gz3 returns the platen to its normal position. When key G2 is operated, the motion of lever g10 is reversed, as will be plain.

The ink-ribbonI (indicated in dotted lines in Fig. 2) is wound on a spindle j and carried over guidej', then under guide 72, and around 7", passing in front of the printingpoint between guidesj and ,72, then returning under guide Where. the returning porportion,then over guide t7" to a spindle 74, mounted, like spindle .7', in cover A or at any other convenient point. Each spindle carries two disks `7'5 je, between which the ribbon 1s wound, but only lower disk 76 is necessary. The spindles are provided with a ratchet- Wheel, which is conveniently provided by notching the periphery of disks 75. A double pawl J is pivoted at j7 between the spindles 7"7'4 and is held in contact with one of the ratchet-wheelsjs bya spring 7"3, which 1s abent piece of .sheet metal secured to angle-piece The pawl is actuated to rotate the ratchetwheel by a rocker-leverja, pivoted to cover 1i and connected at its end 713 tc rod 710, which, 1s loosely pinned at j to an arm 712 ofprockershaft h'. As the rocker-shaft his moved lthe pawl is actuated. To reverse the movement of the` ribbon, the pawl J is swung into contact with the other ratchet, the spring 77 holding the pawl in its reversed passes the dead-center.

ln Fig. 13, showing a modification, the arm 3 of the rocker-lever B is a dead part and may be dispensed with, the arm `712 from rocker-shaft h being elongated to hold the crossrocker-lever B' and the dog h5 being above the sliding'pawl h4 instead of under the sliding pawl, as in Fig. 2.

What l claim isl ln a typewriter,a key-leverB, a T-shaped rocker-arm B', and a type-bar D, iii-combination with spacing mechanism, the rocker-arm B' being actuated by the key-lever and in turn ism, all substantially as described.

2. In a type-writer, the combination of an endwisemoving paper carriage section g4, formed with vertical ways g3, a vertically-reciprocating section g', supporting the platen` g, mounted in ways g3 and formed with a camgroove g2 running endwise of -it,a cam-roll g8, runnin gin said groove and mounted on a rocking lever. g1", rocking lever g1, rocker-shaft g, supporting rocker-lever g1", double lever g21 on rocker-shaft g, rccker-arms g g18 on rocker-shaft gli, each engaging the rocker-letiaily as described.

3 In a type-writer, the combination of a series of levers connecting the key-levers and type-bars, a' rocker-arm common to all the connecting-levers, and a spring, all substantially as and for the purpose set forth.v

a. in a type-writer, the combination of a key-lever l, rocker-lever B',

type-bar D, and horizontal guide-plate 0.4,thc

tion is at the side of the downwardly-moving v actuating thetype-bar and spacing mechan-` ver Q21, and shifting-keys G G2, all substan-` t7'1,.which is secured to cover A'. (See Fig. 2.) A

IOO

bar h over the upper edges of arms 1 of theK IIC ries of key-levers, a series of type-bars, a seendwise-sliding rocker-lever B being intermediate the typebar D and key-lever B and being directly connected to ,the type-bar, substantially as shown and described.

5. In a type-writer, the combination of a se# lto all the rocker-levers B', all substantially as and for the purpose set forth.

6. In a type-writer, the combination of a key-leverB with a type-bar D,having an edge slot d, and a rocking lever B', having its end b' at an angle and in the slot d of the typebar, all substantially as described.

7. In a type-writer, the combination of a platen, an endwise-moving type-bar, a supporting-plate therefor, means for actuating said type-bar, and two pairs of stationary defiecting-guides secured to said plate mounted in close proximity to the platen, one pair of the stationary guides receiving and guiding the upper end of the type-block and the other pair of guides receiving and guiding the lower end of 'the typeblock, all shown. y

8. In a type -write'r, the combination ot a platen, an endWise-sliding type-bar provided with a type-block, a supporting-plate forthe type-bar, means for actuating the type-bar, and two pairs of stationary guides secured to the said plate, the typ-block being provided with end extensions, each of which is received between a pair of the stationary guides, substantially as and for the purpose set forth.

WELLINGTON PARKER RIDDER.

. W itnesses: j

EDWARD S. BEACH, JOHN R. SNOW.

substantially as

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