US953816A - Type-writing machine. - Google Patents

Description

G. 3. BRAND.

TYPE WEI'IING MACHINE.

APPLICATION FILED DEO.16,1909.

Patented Apr. 5, $3M

mm 1 @G 2 SHEETS-SHEET l.

INVENTDR: ,D/S/M WITNESSES:

HISATTDRNEY G. B. BRAND. TYPE WRITING MACHINE. APPLICATION FILED DEO.16,1909.

Patented Apr. 5, 1910.

2 SHEETS-SHEET 2.

G31 mTNEEEEa HEATTURNEIV rad an one GEORGE E. BRAND. OF SYRACUSE, NEVV YORK, ASSIGNOR TO THE MONARCH TYPE- WRII'ER COMPANY, 03? SYRACUSE, NEFW' YORK, A CORPOBJATIGN OF NEW YORK.

TYPE-WRITING- MPsCl-IINE.

osssio.

Specification of Letters Patent.

Patented Apr. 5, 191%.

Application filed December 16, 1809. Serial No. 533.430.

new and useful Improvements in lypei \v'riting Machines, of which the following is a specification.

My invention relates more particularly to means for auton'iatically looking a typewriting machine, or a portion thereot, out or. I operation when a paper teeding device or i teed roller has been locked in the released or inoperative position.

automatically releasing the locked-on? paper tccding device or feed roller and the part or parts of the machine which have been locked out. of operation.

()no object of the invention is to provide coniparatively simple and etiieient means ot the character specified.

it further object of the invention is to provide means which may be readily applied to existing styles of typewriting machin s without modifying, or materially modifying, the structural features of said machines.

To the above and other ends which will hereinafter appear, my invention consists in the features of construction, arrangements of parts and ctnnbinations of devices to be hereinafter described and particularly pointed out. in the appended claims.

in the acconn ninying drawings, wherein like reference characters indicate corresponding parts in the various views, Figure l is a fragmentary vertical trout to rear sectional view ot one form oi typewriting machine en'ibodying my invention, so much only of the typewritingmachinebeing shown as is necessary to illustrate my invei'ition. Fig. 2 is a fragmentary front elevation with parts of the machine broken away, the view showing only the upper ortion of the machine. l ig. is a detail tran verse sectional view showing the feed rollers in the released or lockeihotl position. Fig. -l is a tr gnientanv detail front view showing portions of the line lock and margin stop mechanism and the means by which it controlled.

i have shown my ii'ivcntion applied to a Iii'onarch machine in which my invention may be readily embodied without modifying. or materially modifying, the structural i l i l y l features of said machine, although it should be understood that the invention may be embodied in various other forms of typewriting machines.

Where means are provided for locking oil the feed rolls trouble is likely to occur if the operator should forget to release the lock and rest-ore the feed rollers to operative. position before proceeding with the writing. By'my present invention I overcome this liability by automatically locking the machine out of operation when the feed rollers are cast oil and by providing means for automatically unlocking the feed rollers The invention also relates to means for and the devices by which the machine is locked out of operation, so that the operator cannot proceed with the writing unless the feed roll lock has either been released by hand in the usual manner or the carriage has been returned to the right to begin a new line of Writing, which return movement of the carriage is effective to automatically release the locks and'bring about a restoration of the parts to operative positrons.

The frame of the machine comprises a base 1, corner posts 2 and a top plate 3. Key levers at, provided with the usual linger keys 5 and restoring sprin 's 6, are tulcrumed against a t'ulcrum plate 7. Each key lever has a sub-lever 8 pivoted thereto at 9. The lower end of each sub-lever is slotted at 10 to receive a l'nlcrum rod 11 which extends beneath the key levers and is liked to the base of the machine. The upper ends of the sublevers are connected to links 12 pivoted at 13 to segmentally arranged upwardly and rearwardly striking type bars it. The type bars are pivoted at 15 on type bar hangers 16 secured to a type bar segment 17. A universal bar 18 const itutes part of a. frame 19 which also includes a rock shaft 20 pivoted to the base or the machine. A spring 21 cooperates with the universal bar frame and with a fixed portion 22 oi the machine to return the universal bar and the parts connected therewith to normal position. The universal bar frame has a rearwardly extending centrally projecting arm 23 connected with an upright link 2% pivoted at its upper end to the ion ward arm 25 of a dog rocker 26 pivoted at 27 to bracket arms secured to the frame of the machine. itn' upwardly extending arm 29 ot' the dog rocker is provided with feed dogs 30 which cooperate with an es capenient wheel 31. A spring 32 is operative to assist in moving the dog rocker and the universal bar frame to normal position. The escapement wheel is operatively connected in the usual manner to a shaft 33 which rotates in a bearing 3% secured to the top plate of the machine. A feed pinion 35 is secured to the forward end of the shaft and cooperates with a feed rack 36 which is carried by arms 37 pivotally connected to the carriage in the usual manner. Fixed guide rails 38 are secured to brackets 39 fixed to the top plate of the machine. The fixed guide rails 38 are grooved on opposite faces for cooperation with anti-friction rollers e0 which are likewise received in oppositely grooved guide rails 4.1 of the carriage. The guide rails e1 form part of a guide or traverse bar 42 which with forwardly extending end bars or plates as constitute the platen frame or carriage. The end bars are provided with bearings for a platen shaft eat to which is atlixed a cylindrical platen 45. It will thus be understood that the carriage is mounted for movement from side to side of the machine over the top plate, and a step-by-step feed movement of the carriage is afforded by the escapement mechanism, an intermittent feed movement of the carriage being effected at each depression of a printing key 5 or of the usual space key (not shown).

he paper feed devices may be of the usual character employed in the Monarch machine; only some of these are shown. The cross bar l2 of the carriage is provided with forwardly extending lugs 46 between each pair of which is pivoted at 47 a depending hanger arm e8. A coiled spring e9 surrounds each of the pivots a7 and tends to force the hangers toward the platen. A shaft 50 connects the hanger arms and constitutes a bearing for main paper feed rollers 51. A downwardly and forwardly extending hanger arm 52 is likewise pivoted between each pair of lugs L6, as indicated at 53. Coiled springs 5e surround the pivots and tend to move the arms 52 toward the plate A shaft connects the arms 52 and constitutes a support for the forward feed rollers 56. The hanger arms e28 are extended beyond the points where they are connected with the shaft 50 so as to provide bearings for anti-friction rollers 57 which are adapted to bear on the upper sides of the hanger arms 52. A rock shaft 58 is received in bearings in the end plates and one end of the shaft, where it extends beyond the lefthand end plate 43, is provided with a finger piece 59 by which the rock shaft may be turned. The finger piece or crank arm has an extension 60 which constitutes a stop cooperative with a stop pin 61 which projects outwardly from the left-hand end plate or bar of the carriage. The stops 60 and 61 cooperate to limit the forward movement of the finger piece 59 and to limit the rotative movement of the rock shaft 58 from its normal position. The body of the finger piece 59 cooperates with the stop pin (31 to limit the iovement of the finger piece in an opposite direction. The rock shaft 58 is provided with projections 62 one of said projections being provided for each of the hanger arms 4h. The arrangement of the parts is such that when the finger piece 59 is in the normal position shown in Fig. 1 the projections (32 on the rock shaft will be moved out of cooperation with the hangers 4S and the springs 46) and 5f are effective to maintain both sets of feed rollers against the platen or the paper thereon. When, however, the finger piece 59 is moved to the position shown in Fig. 3 the projections 62 are brought into cooperation with the hangers sl-S. forcing the feed rollers 51 away from the platen. The cooperation of the anti-friction rollers 57 with the arms 52 likewise cause the arms to be moved downwardly to carry the forward set of feed rollers away from the platen.

From an inspection of Fig. 3 it will be seen that when the finger piece 59 is moved to the position shown in this figure the projections 62 will be between the axis of the shaft 58 and the hangers &8 so that the parts are in what may be termed a dead centered position and the feed rollers are at this time locked in the cast-off or inoperative position by the dead centered arrangement.

The line lock and margin stop mechanism in the Monarch machine comprises an arm or finger 63 provided with a collar or hub (A adjustably fixed by a set screw 65 on the link 24. A locking lever 66 is pivoted at 67 to the forward side of the lower fixed carriage rail 38, said locking lever being provided with a hook-like portion 68 at the lower end thereof. hen the locking lever is moved from the full to the dotted line position shown in Fig. 2 the hook GS is adapted to engage beneath the arm (33. thus preventing a downward movement of the link 24. thereby locking the universal bar frame against depression and locking the key levers and the escapement mechanism against actuation. The locking lever 66 has an off-set arm or finger 69 which is cooperative with a pin 70 which projects rearwardly from a bail or bar 71, said pin extending beneath the finger 69. The bail 71 is turned rearwardly at its ends where it is pivoted on shouldered screws 72 to the lower fixed carriage rail 38, so that the bail is adapted to swing around the pivot screws 7 2. A wire spring 73 is fixed at one end, as at 7st, to the lower fixed carriage rail 38 and bears at its free end upwardly against a pin T5 which projects from the rear face of the bail or bar 71. This spring exerts an upward pressure to normally maintain the cross bar of the bail in the elevated position shown in Fig. 2. In this position of the hail the lever 6 is maintained in the full line position shown in F 2, the line lock mechanism being thus released and the key levers and escapement mechanism being free to be actuated.

A combined line lock and stop lever contact device or stop men'iber T6 is pivoted at 77 to the cross bar of the carriage. The stop lever is angular in form, the upright. arm thereof being adapted to cooperate with a. line lock stop or contact device 78 and with a margin stop or contact device 79, both adjustable along a stop rod 80 carried by the upper fixed carriage rail 38. The lower arm of the stop lever is disposed at substantially right angles to the. upright arm and carr es an anti-itriction roller 81 which cooperates with the cross bar orbail T1 at any point. in the travel of the ca riage. The combined line lock and stop lever To normally bears against a stop member 83, as shown in Fig. 2, so that during the movement of the carriage to the right the stop lever may be brought into cooperation with the margin stop '79 and the force of the impact between the stops will be resisted by the stop member 82, so that. the stop lever at this time is not moved from its normal position on the carriage. hen, however, the carriage moves to the left the stop lever To is brought into cooperation with the line loel; stop 78 and the lever To is turned against the pressure of its spring 83 to the position shown in Fig. t. The etlect of this movement is to depress the bail T1 against the pressure of its spring 73, thus enabling the line lock lever (36 to move from the full line to the dotted line position shown in Fig. and to lock the machine out of operation. its soon as the carriage is again moved to the right the spring 83 will restore the lever 76 to its normal position, where it bears against the stop member 82, thus releasing the line lock lever and freeing the line lock mechanism.

The parts thus far described are the same. or are similar to those ordinarily employed in the Monarch machine.

(in the rock shaft 58 l have provided a yoke-like actuating member 8% which straddles the rock shaft and the arms of the actuating member are united by a headed screw threaded at one end into tapped opening in one of the arms of the yoke-like member and turning freely in an opening in the other arm. By this construction the actuat ing member 84 may be. readily placed on the shaft 58 and adjusted around and along the shaft and secured in the position to wi'ch it has been adjusted by tightening the screw S5 to secure the device 84- to the shaft. lever 86 pivoted on a shouldered screw 8? received in a tapped opening in the stop nien'iber 82. The right-hand end of this lever is formed with a rearwardly extending arm or finger 88 which extends over and is adapted to coiiperate with the horizontally disposed arm of the lever To. The actuating device S t is so positioned on the shaft 58 that it is adapted to cooperate with the lefthand end of the lever 86 when the rock shaft; is moved to release the feed rollers and lock them in the released or czst-oll positions. Thus when the finger piece 53) is moved forwardly to the position shown in Fig. 3 this e tt'eetive to elevate the actuating device 8 t: so as to turn the lever 80 on its pivot 87. This movement is eti'ective to move the stop lever 76 to the position shown in Fig. 4, thus depressing the bail Tl to cause a movement of the line lock lever on from the full line position shown in Fig. 2 to the position shown in dotted lines in said figure. The etlect of this is to lock the machine out of operation when the feed rolls are locked in the released or cast-oil positions.

it will be understood that the lever To will be maintained in the position shown in Fig. 4- as long as the finger piece 5t) is maintained in the position shown in Fig. 3. it the operator should forget to restore the feed rollers to operative position after ad justing the paper, the machine cannot be actuated if the attempt to write occurs when the arriage at any other position than that necessary to begin a line. The operator is thereby warned tha the feed rolls must be moved bac: to operative position and there is therefore no danger of destroyin the sheet or sheets in the machine by writing on the sheets when they are out of control of the paper feed rollers. Qrdiarily, however, the carriage is moved to the right to begin a. new line of writing after the sheet has been adjusted and when this is done the upper end of the stop lever To will be brought into cooperation with the margin stop 79, thus forcing the lever back to normal position against the stop member This automatic restoration of the stop lever it; to its normal position automatically releases the feed rollers from their locked position and enables them to be restored to operatiw position in contact with the pa er. The bail Tl at the same time freed and the spring 79 becomes etfective to elevate the bail, thus withdrawing the hook 58 of the line lock lever from beneath the finger (33, so as to automatically release the line locl: i'nechanism. It will thus be seen that the movement of the carriage autmnatically effects a release of the locked feed rollers and also of the means by which the machine is locked out. of operation. and that the act of loelrii'ig the feed rollers in the released or cast-oil position is eitective to lock the machine out of operation. Moreover, it will be seen that my invention may be readily embodied in a Monarch typewriting machine, for instance, without changing, or materially changing, the structural features of that machine; and that the features of the invention are simple in construction and ellicient in use.

It should be understood that from certain aspects of my im ention some of the features may be employed without others and that various changes may be made without departing from the invention.

What I claim as new and desire to secure by Letters Patent, is

1. In a typewriting machine, the combination of a paper teed device, means for moving said paper feed device to and for locking it in inoperative position, means for locking the machine out of operation whenever said paper feeding device is locked in inoperative position, and means for automatically releasing the locked paper feed device.

2. In a typewriting machine, the combination of paper teed device, means for moving said paper feed device to and for locking it in inoperative position, means for locking the printing keys against actuation when said paper feed device is locked in inoperative position, and means for automat ically releasing the locked paper feed device.

In typewriting machine, the combination of a paper feed device, means for releasing and for locking the paper teed device released, line lock mechanism actuated by the act of locking the paper feed device in released position, and means for automatically releasing the locked-0H paper feed device.

i. In a typewriting machine, the combination of a paper feed device, means for releasing and for locking the paper t'eed device released, line lock mechanism actuated by the act of locking the paper feed device in released. position, and means for auto matically releasing the lockedotl paper teed device and for simultaneously releasing the line lock mechanism.

5. In a typewriting machine, the combination of a feed roller, means for releasing said feed roller and for locking it in the released position, means for locking the printing keys out of operation by the act of locking thet'eed roller in the released position, and means for automatically releasing the locked teed roller and printing keys.

(3. In a typewriting machine, the combination of a carriage, a feed roller, means for releasing said teed roller and for looking it in the released position, means for locking the printing keys out of operation by the act of locking the feed roller in the released position, and means controlled by the illOVGlTiGIlt of the carriage for releasing the locked feed roller.

7. In a typewriting machine, the combination of a carriage, a paper feed device, means for releasing the paper feed device and for looking it in the released position, and means controlled by the movementof the carriage for unlocking said paper feed device.

8. In a typewriting machine, the combination of a carriage, a paper feed device, means for releasing the paper teed device and for locking it in the released position, line lock mechanism actuated by the act of locking the paper feed device in the released position, and. means controlled by the movement of the carriage for unlocking said paper teed device and said line lock mechanism.

9. In a typewriting machine, the combination of a carriage, a paper teed device, line lock and margin stop mechanism including a combined line lock and margin stop member, means for releasing said paper feed device and for locking it in the released position, and means for moving said combined line lock and stop member by the act of locking the paper feed device in the released position.

10. In a typewritin machine, the combination of a carriage, a paper feed device, a combined line lock and margin stop member, line lock devices controlled thereby, a cooperative line lock stop, a cooperative margin stop, means for releasing said paper feed device and for locking it in the released position, and means for moving said combined line lock and stop member by the act or" locking the paper feed devices in the released position, the said member being automatically restored to normal position by its cooperation with said margin stop.

11. In typewriting machine, the combination of a carriage, a paper teed device, means for releasing said paper feed device and for locking it in the released position, and margin stop devices operative to unlock the locked ofi paper feed device.

12. In a typewriting machine, the combination of a carriage, a paper feed device, means for releasing said paper teed device and for looking it in the released posit-ion, line lock devices, means whereby the line lock devices are actuated by the act of looking the paper feed device in the released position, and margin stop means for unlocking the locked paper feed device and line lock devices through the return movement of the carria e.

13. in a typewriting machine, the combination of a carriage, a paper feed device, means for releasing said paper feed device and for looking it in the released position, means operative by the act of locking the paper teed device in the released position for locking the machine out of operation,

said last mentioned means including a contact device on the carriage, and a cooperative contact device on the frame of the machine for restoring the first mentioned contact device to normal position.

it. In a typewriting machine, the combination of a carriage; a pape' feed, device; means for releasing said paper teed device and for locking it in the released position; and means for automatically releasing the locked-oft paper feed device, said automatic. releasing means comprising; a contact device on the carriage, and a cooperative contact device on the frame of the machine.

15. In a type-writing machine, the combination of a carriage; a paper feed device; means for releasing said paper teed device and for locking it in the released position; and means controlled by the movement of the carriage for automatically releasing the locked-0ft paper feed device, said last mentioned means comprising two contact devices one on the carriage and the other on the frame of the machine, an operation of one of said contact devices by the other be ing effected through the nioven'ient of the carriage.

1L iwewri-aw tci ne, to c it) 11 t t ti 6 mi 11 h om bination of a carriage, a paper teed roller, means for casting ol'l said teed roller and for locking it in the cast-off position, a universal bar, means for locking raid universal bar by the act of locking the feed roller in the cast-oft position, and means controlled by the movement of the carriage for automatically releasing the feed roller from its locked position and for releasing the universal bar.

17. In a typewriting i'nachine, the combination oil? a carriage; a paper tt'eed roller; means for casting oil said teed roller and for looking it in the cast-ott' position; a universal bar; means for locking said universal bar by the act of locking the feed roller in the cast-ott position; and means controlled by the movement of the carriage for automatically releasing the feed roller from its locked position and for releasing the universal bar, said last mentioned means comprising a contact device on the carriage, and

s i any a cooperative contact device on the frame oi the machine.

18. In a typewriting machine, the comi bination of a carria e; a W106i teed roller: b I

means for casting oft said teed roller and for locking it in the cast-ott position; and means for automatically releasing the castott teed roller from its locked position, said Ilast mentioned 11 eans comprising a lever,

and a contact. device, one being carried by the carriage and the other by the frame of the machine, the travel of the carriage being etlective to bring the lever and contact: device into cooperation.

1.9. in a typewriting machine, the combination ot a carriage; a paper teed roller; means for casting ott' said teed roller and for locking it in the cast-oft position; and means for automatically releasing the cast- 0a t'eed roller from its locked position, said last mentioned means comprising a lever carried by the carriage and moved from normal position when the teed roller is cast oit and locked in the cast-oil position, and a. contact on the frame oi the machine with which said lever is brought into cooperation by the travel of the carriage to elfect a movement of the lever back to normal position and to release the locked-oil teed roller from its locked position.

20. In a typewriting machine, the combination of a carriage, a teedv roller, a finger piece and cooperative means for casting ollf said teed roller and for locking it in the cast-off position, a combined margin stop and line lock lever carried by the carriage, line lock devices controlled by said lever, means whereby said lever is moved to actuate the line lock mechanism when the feed roller is locked oil', and a margin stop cooperative with said lever to return it to normal position when the carriage is moved to the right, whereby the feed roller and line lock devices will be automatically unlocked.

Signed at. Syracuse in the county of Onondaga and State of New York this l lth day of December, A. D. 1909.

GEORGE B. BRAND.

d' itnesses GILES B. Evnnson, H. H. STEELE.

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