US1189171A - Type-writing machine. - Google Patents

Description

Patented J une 27 f' 1916. A2 SHEETS-sneu I.

By l Afro/Mfrs 0'. PE'TEVRMANN. TYPE WRITING MACHINE. APPLICATION FILED IIIAII. I6. 1915.

' o. P ETEIIMAIINL vTYPE WRITING MACIIINE. I APPLICATION FILED Imi. le. Ism.A

L1 89,171 Patented June 2.7, 1916.

2 SHEETS-SHEET 2- III/m5885615 ed K a s'rarns aan OTTO PETERMANN, 0F GROTON, NEW YORK, ASSiC-NOR TO CORONA TYPEJVRITER COMANY, INC', A CORPORATION OF NEW YORK.

TYPE-WRITING MACHINE.

Specication of Letters Patent. i

Applicatipn filed March 16, 1915. Serial No. 14,649.

T0 all whom it may concern Be it known that I, OTTO PETERMANN, a citizen of the United States, and a resident of' Groton, county ot' Tompkins, and State of New York, have invented certain new and useful Improvements in Type-Writing Machines, of which the following is a full, clear, and exactdescription.

This invention relates more particularly to the universal bar action of visible typewriting machines, y

In typewriting machines, it is desirable that a light elastic touch be secured, and it is further desirable that the construction be such that as little noise by the operation of the keys be made as possible. Where the keys are operated vand strike suddenly against the universal bar and the resistance of the mechanism operated thereby is suddenly thrown upon the keys or key-operated levers, the resistance offered is not only hard on the touch but the impact of the keys in striking suddenly against the universal bar requiring sudden movement of the different parts, produces considerable noise.

@ne otu the principal objects of the present invention is tb overcome the objections 'referred to and to provide a universal bar action in which a. light and elastic touch is 'secured and in which the parts operated by the universal bar have an acceleratedmovement of such a character that the key-oper ated levers during a portion of their movement simply move thel universal bar without any other part of the mechanism, and during thecontinued depression ofthe keys gradually increase the movement of such parts so that atthe final part et the movement of any one of the key-operated levers, the greatest movement is given to the parts operated bythe universal bar.

Another object of the invention is to provide a construction 4wherein the universal bar is normally held at a distance away from the key-operated levers and in which the.

, vide means whereby the universal bar has its position determined bythe ,position of the spacing lever or levers; and to `provide means whereby the 'ai-reefi movement of thecelerated movement to the escapement and ribbon vibrator operating rocking frame or element.

.A further object or' the invention is to provide a: simple and eflicient construction of luniversal bar action which may be readily made and assembled.

y A still further object of the invention is to provide a universal bar action which is particularly adapted for ioldable typewriting machines in which the platen carriage and keys are brought into close relation so as to make'the machine compact for transportation or other purposes.

lith these and other objects in view, the invention will be hereinafter more particularly described with reference to the accompanying drawings, which form a part of this speciiication, and will then be pointed out in the claims at the end of the description.

ln the drawings, Figure 1 is a longitudinal section ot' one form of machine embodying my invention. mentary perspective view oi' the principal parts of the universal bar action; and Fig.

Patented 'J une 27,1916.

Fig. 2 is a trag- 3 is a sectional plan view with'parts broken away, the. section# being taken through the more particularly to a. special form of folding typewriter in which the carriage is folded forward over the keys, it will be under stood that the invention or parts-thereof may be employedin connection with writing machines of various kinds.

The frame 10 has the sides 11 connected at the front end by a transverse bar 12 and at the rear by an integral transverse bar or plate 13. Held to the sides 11 are the fulcrum plates or mem ers 14 and 1e. These lplates er members have openings 15a through which. pass the body of screws 15b, the ends of which enter threaded openings in the ends of the tule/rum rods 16. The tulcrum rods 16 extend transversely of the machine and at their ends abut against the platealel and 15,

the latter' being clamped between thev ends of the rods 16 and sides 11 of the frame, though instead of this method of securing thes parts together any other suitable means may e employed. A plurality of key-operated levers 17 are piyotally held to the transverse fulcrum rods 16 and are arranged in .chine compact.

groups or banks in the usual way, the banks of keys corresponding in number toI the transverse rods 16 andare so positioned that a substantially uniform touch is secured. Each key-lever has a `fulcrum portion 1S to span one of the transverse rods 1G and below the fulcrum portion is" the body 19. Each key-lever body has an operating key 2O forming a part of a standard or universal key.- board and each lever has an inner portion 21 from which projects upwardly a part 22. To the part 22 is connected a link 23, the latter being connected at. its upper end to one of the type-bars 21. The type-bars are pivoted to a segment or to hangersand each has a plurality of characters, either two or three type, according to the' shift movements, and as each key-lever is depressed, its coperating type-bar has the type thereon forced upwardlv and rearwardly against a platen The platen 25 is mounted upon a carriage 26 which is adapted to move along a bed 27. The bed 2T is held to arms 28 which are pivotcd, at 29, to other arms so that the carriage and bed may be folded forward over the keys or forward thereof to make the ma- The carriage has a rack 30 adapted to be engaged by dogs 31 and 3Q. the latter being mounted upon a carrier 33 so that when the said carrier is moved. the

dogs will operate in such a way as to permit letter-spacing` .movement to Abe given to the carriage, said carriage being normally. held `under tension of a spring vdrum 34. The

arms 28 are held to vertically movable. posts Fig. 3, and these posts are connected by a transversely extending rod 3G. An arm or arms 37 are connected to the rod 36 and :iid arm or arms are held to a transversely extending rod or shaft 3S Jforming a part of the shift movenient to adapt the posts 35 together with the'carriage and platen to be 'iven shift movements. Except as to the iulcrum plates le and 15 and the mounting of the transverse fulcrum rods 16, the parts thus far described are old and such parts may be of the usual or of any preferred construction. I

A universal bar frame 39 substantially U- shaped in plan so as to form a light structure has side arms 40 which are held to a transversely extending rod 41. The rod 41 forms pivoting means for the frame 39 and has its ends beyond the side arms 40 held in ears or lugs atl of the fulcrum plates 11 and 15. The Varms 40 Jform integral extensions of the transversely arranged universal bar' distance before the tongue engages the uni-A versal bar 42 of the universal bar frame 39. rl`he universal bar 42 normally rests against the inner end l1 of the space-bar lever 45. The space-bar lever has a finger portion or key 4G 'to which it is connected at one end and at the other end of said key or bar 4G is connected an arm 47. The arm 47 and the lever -15 have fulcrum portions 4S so as to be suspended from a transversely extending fulerum rod 49, the latter being held to the sides of the vmachine frame by pivot screws 49 as shown in Fig. 3. The space-bar lever 45 is held in its normal position by a spring 50 one end of which is secured to the lever 45 and the other end to av transversely extending bar '51, the ends of which are held in slots in the downwardly and forwardly,

extending portions of the fulcrum plates or members 14 and 15, there being a spring 51 for each key-lever 17 one end of which. is held tosaid key-lever and the other end to said transverse bar 51 tending normlly 4to keep the key-levers in their normal position as usual. The space-bar lever 45 normally rests upon the transverse rod 3S and has its inner end positioned to limit the pivotal downward movelnent of the universal bar lrame 39, the bar 42 being normally held against the inner end of the space-bar lever 45 by springs one end of which are held to the universal bar and their other ends to pendent'parts or .arms 56 on the fulcrum members 14 and 15, there being a spring at each side of the machine.

The universal bar :trame 39 has its side arms 40 provided with upwardly extending lugs or projections 57. These lugs or projections are connected by detachable or other links 58 o1- any suitable construction to the lower ends of levers 59. The levers .'39 are pivoted to the rear posts or brackets (3 0 for the slides or posts 35 or otherwise and at their upper ends said levers are connected by a transversely ext-ending rod 61. This rod (31 extends across the machine and passes through vertical slots 6'2 in the rocker frame GP. The rocker frame comprises two vertically extending arms G4 which are pivotally held to the transversely extending rod 3G and said arms 64 are connected by an integral transversely extending bar 65. This bar carries a tappet for actuating the dog carrier and also is adapted to operate the parts of the ribbon mechanism. The transverse bar (35 has a rearwardly extending portion GG which has a hooked end 67. This end G7 is adapted to engage over a transversely extending rod G8 which con- The universal bar 42 A the purpose of the rod and hooked portion 6T beingto limit the forward rocking movement o'f therocking frame ('33, the latter being restored to its normal position by means of a spring, not shown, or otherwise.

It will be evident that by providing the universal bar frame which is connected. to the levers 59 arranged on opposite sides of the machine, which are themselves connected together by a transversely extendingrod, a uniform movement during the action of the universal bar is imparted to the rocking frame 63. It will be further evident that the parts when in the normal position or that shown in Fig. 1, have both pivots of the link 58 and the pivot rod 41 for the universal .bar frame in substantially a straight line and a toggle-joint connection is made between the levers 59 and universal bar. If one of the key-levers 17 is de pressed, the As aid lever will lhave a movement until the tongue 48 engages the transversely extending universal bar 42 of the universal-bar frame without actuating said bar.

parts owing tothe position of the pivots of the link and the universal bar, the first c quarter will give. little or no movement to the levers '59. During the next quarter movement of the key a very little additional operated thereby and by reason of the light universal har.

construction of the-universal bar substantially no resistance is offered to the movement of the key-levers sothat there is no shock and consequently less noise is made by the impact of the key-lever against said it will be evidentfurther that the parts when constructed as shown may be readily made and assembled and that the whole universal bar frame can be easily assembled in the machine by simply spreading the offset ears 41a of the fulcrum plates 14 and 15 slightly apart Which allows the outer Vend of the transverse rod 41 carried 4by the arms 40 of the universal bar frame 39 to enter the openings in the offset ears 42.. The parts, therefore," as herein described discloses an effective universal bar action and While only one Way of carrying If, the restof themovement of the' key be divided into substantially four equal the invention into efi'ect is 'shown herein, it

will be understood that some of the parts may be changed or others substituted therefor without departing from the spirit of the invention.

Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. In a typewriting machine, the combination of a rocking frame, means operated thereby, a transversely extending rod, levers connected to said transversely extending rod adapted to move the rocking frame, links connected to said levers, a pivotally held universal bar frame having parts to which the links are connected, the pivot of the universal bar frame and the points of connection of the links with said universal bar frame and the levers being normally in substantially a straight line, springs normally forcing the universal bar frame in one direction, spacing means adapted `to limit the downward pivotal movement of the universal bar frame, and keylevers having the engaging portion thereof located under and normally at a distance from the universal bar frame and adapted during the depression thereof to elevate said frame and impart an accelerated movement to said levers In a typewriting machine, the combination of a rocking frame adapted to. operate other mechanism, levers operatively connected to move the rocking frame, links con nected to said levers, a pivotally held uni versal bar having parts to which the links are connected, the pivot of the universal bar and the points of connection of the links with said universal bar and thelevers being normally in substantially a straight line, means normally forcing the universal bar in one direction, spacing means adapted t0 limit the downward movement of the universal bar, and key-operated levers having the engaging portion thereof located under and normally at ya distance from` the uni- -to m ove the rockingelement, links connected to said levers, a pivotally held and horizontally arranged universal bar frame having .parts to which the links are connected, the

pivot of the universal 'bar frame and the points of connection of the links with saidl universal bar frame and the levers being normally in substantially a straight line, and key-operated levers having theengaging portion thereof located under and adapted sis f during the depression thereof to elevate the` `universal bar frame 'and impart an acceler- 13o.

ated movement to said levers and rocking element.

l. In a typewriting machine, the combination of levers, .means operated by said levers, links connected to said levers, a horizontally arranged and pivotally held universal bar having parts to which the links are connected, the pivot of the universal bar and the points of connection of the links with said universal bar and the levers being normally in substantially a straight line, spacing means adapted to'limit the downward movement of the universal bar,l andl key-operated levers adapted during the depression thereof to elevate the universal bar andl impartan accelerated movement to said levers.

5. In a typewriting machine, the combination of a rocking frame, levers operatively connected to move the rocking Aframe, .links connected to said levers, a horizontally arrangedl and pivotally held universal bar frame having parts to which the links are connected, spacing 'means adapted to limit the downward movement of the universal bar frame, and key-levers having the engaging portion thereof located under the universal bar frame and adapted during the depression thereof to elevate a part of said frame.

6. In a typewriting machine, the combination of a universal bar, key-operated le.

vers for moving said bar, and an actuating element operatively connected to the universal bar and having an accelerated movement in a general direction opposite to theL movement of said bar.

7. In a typewriting machine, the combination of a universal bar, key-operated levers for operating said bar, a pivotally held actuating element, and a substantially togglejoint connection between the universal bar and said element adapted to impart anaccelerated movement to the element.

8. In a typewriting machine, the combination of a universal bar, key-operated levers for operating said bar, an actuated clement, and connections between the universal bar and the actuated element comprising al plurality of pivotally connected parts so connected that the actuated element is given an accelerated movement in a general direction opposite to the movement of said bar.

9. In a typewriting machine, the combination of a. universal bar, key-operated levers for operating said bar, an actuated element, and substantially toggle-joint connections between the universal bar and the actuated element for imparting an accelerated movement to said element.

10. In typewriting machines, the combi- `nation of a pivotally held universal bar, keyeperated levers for operating:rv said bar, an

actuated element, vrind connections includingI substantially a toggle-joint between the universal bar and the actuated element, said connections being normally in a straight line and adapted to impart an accelerated movevment to said element in a direction opposite to the movement of said bar. y

11, In a typewriting machine, the combination of a pivotally held universal bar, key operated levers directly engaging and moving said bar, an actuated element, and connections between the universal bar and the actuated element comprising a link-a-nd-lever connection pivotally held together kand having their pivots in substantially a straight line with the pivot of the universal bar and imparting an accelerated movement t0 said actuated element.

.including a toggle-joint between 'the universal bar and the element whereby anaccelerated'movement is imparted t0 said element.

14. In a typewriting machine, the combination of a universal bar, key-levers located under and adapted to move said universal bar, means for limiting the movement of the universal bar in one direction, a rod, and means including a. toggle-joint operatively connected to tlie universal bar and to the rod ,to adapt said rod to remain substltially inactive during the initial movement of said bar and then gradually becoming active and increasing its speed duringr thel remaining continued movement of said bar.

15. In a typewriting machine, the com bination of pivotally held means, -key-levers, a pivotally held universal bar, and connections including toggle-joints between the universal bar and pivotally held means for imparting Van accelerated movement to said means. l

16. In a typewriting' machine, the combination of key-levers, a universal bar supported over said'key-levers and ata distance above the same when in a normal po- .l sition, pivotally held levers, means operated 'by said levers, and links and forming a toggle-joint connection between the levers and the universal bar 1n such a Way as to have an accelerated movement imparted to said levers.

17. In a typewriting machine, the combination of key-levers, aV pivotally held universal bar supported over said key-levers and at a distance above the same when in a normal position, vertically larranged and pivotally held levers, means operated by said levers, and, links connecting the levers A to the universal bar and having such conneclevers adapted to move said frame, a piv-4 oted universal bar, key-levers adapted to operate said universal bar, lparts projecting upward Yfrom said universal bar, and

links connecting such parts ot' the universal f bar to the levers at points in substantially a straight'line ,with the pivots of the universal bar. y

Q0. ln a typewriting machine, the combif nation of a rocking frame, p ivotally held levers adapted to move said trame, a universal bar frame, key-levers located under and normally at a distance from said frame and l adapted to operate said universal bar frame,

parts projecting upward from said universal bar. frame, and horizontally arranged and rearwardly extending links connecting such parts of the universal bar to the levers at points in substantially a straight line with the pivots ot the universal bar for the purpose set forth.

21. ln a typewriting machine, the combination of a rocking element,- a pivotally heldlever adapted to move said element, a

universal bar, key-leversadapted to operate said universal bar, and a link connecting the universal. bar to the lever at points in substantially a straight line with the pivots of the universalbar,

In a. typewriting machine in which K' the type-bars have an upward and rearward movement, the combination of a pivotally held rockingl trame, pivotally held levers, a rod connecting one end of the levers and eX- tending;` transversely of the machine and adapterl to rock said frame, a universal bar frame substantially U-shaped in forni, a rod to which the universal bar frame is held so as to have an up-and-down pivotal move ment, key-levers 'having engaging portions underlying said universal bar frame and normally at a. distance therefrom,'springs normally forcing the universal bar toward *having engaging portions underlying said which the universal bar frame is held so as luniversal bar frame.

the key-levers, and links connecting the levers and universal bar trame and having their connections with said levers and universal bar in substantially a straight line with the pivot ot' said-bar. l

Q3. In a typewriting machine in which the type-bars have an upward andrearward movement, the combination of a pivotally hel'd rocking frame,pivotally held levers connected to rock said frame, a horizontally arranged universal bar trame substantially U-shaped in form, a rodto which the universal bar frame is heldso 'as to have an upand-down pivotal movement, key-levers universal bar frame and adapted to engage the same, means normally forcing the universal bar frame toward the key -levers, means tor .limiting'the downward movement of said bar, and links connecting the levers Yg5 and universal bar.

24. In a typewriting machine in which the type-bars have an upward and rearward vmovement, the combination of a pivotally held rocking frame, pivotally held'levers, a rod connecting one end of the levers extending transversely of the machine and adapted to rock said frame, Aa universal bar frame substantially U-shaped in form, 4a rod to to have an up-and-down pivotal movement, key-levers having engaging portions'underlying said universal bar trame'and adapted to operate the same, means normally torcing the universal bar frame toward the keylevers, and links connecting the levers and universal bar.

25. In a typewriting machine in which the type-bars have an upward and rearward movement, the combination ot'a pivotally 105 held rocking frame, pivotally held levers connected to rock said frame, a pivotally held universal bar trame substantially U- Y shaped in form, key-levers having engagingl portions underlying said universal bar trame and normally at a distance therefrom, springs normally `forcing the universal bar frame toward the key-levers, and rearwardly extending links connecting the levers and engage said rod to limit the movement Oli said element in one direction, escapem'enl 130 mechanism operated by the rocking element,

and means for operating said rocking ele-k move along said support, a rocking element,`

key-operated levers, a pivotally held universal bar, and fulerum supporting plates to 4which the universal bar is detachably held.

30. In a typewriting machine, 'the combination of a supporting frame, a carriage adapted to move along-said frame, a movable element, key-operated levers, a, pivotally held universal bar, and ulcrum supporting plates to which the universal bar is detachably held.

3l. In a typewriting machine, the combination of fulcruln supporting plates, a machine frame to which the plates are held, rods extending transversely of the machine between the plates, key-levers suspended from said rods in sets, downwardly and for wardly extending portions forming a part of said plates, a bar held in said portions, springs connected to said bar and to the key-levers, a universal bar pivotally held between said fulcrum, supporting plates, springs connected to parts of said plates and to the universal bar, a rocking element, and

means connecting said universal bar to said rocking element.

32. In a typewriting machine, the combination of ulcrum supporting plates, a machine frame to which the plates are held, reds extending transversely of the machine between the "plates, key-levers suspended from said rods in sets, downwardly and forwardly extending por'tions forming a part ofsaid plates, said portions having slots in their forward ends, a bar held in the slots of said ends, a universal bar pivotally held between said fulcrum supporting plates, a rocking element, and means connecting said universal bar to said rocking element.

33. In a typewriting machine, the combination of fulcruin supporting plates, rods extending transversely of the machine between the plates, key-levers suspended from said rods in sets, downwardly and forwardly extending portions forming a part of said plates, a bar held in said portions, springs connected to said bar and to the key-levers, a universal bar pivotally held between said fulcruin supporting plates, and means operated by the universal bai'.

34. In a typewriting machine, the combination of fulcruni supporting plates, keylevers supported between said plates, downwardly and forwardly extending portions forming a part of said plates, a bar held in said portions, springs connected to said bar and to the key-levers, a universal bar pivotallynheld between said fulcruln supporting plates, and means operated by said bar.

In a typewriting machine, the combination of fulcrum supporting plates, keylevers supported between said plates, downwardly and forwardly extending portions forming a part of said plates, a bar held in said portions, springs connected to said bar and to the key-levers, a .universal bar pivotally held between said fulcrum supporting plates, springs connected to parts of said plates and to the universal bar, andl means operated by said universal bar.

This specification signed and witnessed this tenth day of March, A. D. 1915.v

C. T. Yarns, R. BAs'roN

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