US653787A - Type-writer attachment. - Google Patents

Description

No. 653,787. Patented July l7, I900. H. B. BRADY.

TYPE WRITER ATTACHMENT.

(Application filed Feb. 3, 1900.)

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No. 653,787. Patented l uly l7, I900. H. B. BRADY.

TYPE WRITER ATTACHMENT.

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nUeH B. BRADY, or COBB, OKLAHOMA TERRITORY.

TYPE-WRITER ATTACHMENT;

SPECIFICATION forming part of Letters Patent No. 653,787, dated July 17, 1906. Application filed February 3, 1900. Serial No. 3,811. (N 0 model.)

To aZZ whom it may concern.-

Be it known that I, HUGH B. BRADY, a citizen of the United States, residing at Cobb, in the county of I, and Territory of Oklahoma, have invented a new and useful Type-lVriter Attachment, of which the following is a specification.

My invention relates to paper-roll attachments for type-writing machines; and my object is to produce a simple, strong, durable, and cheap device applicable to any of the approved forms of type-writin g machines of that class, whereby the paper is always ready for use, enabling the operator to avoid the loss of time it takes to change paper, permitting him (if a receiving-operator) to clear one office without changing the paperan important item where the work is heavy, particularly for operators stationed along the line of a railway.

Other objects of the invention will hereinafter appear, and be pointed out in the ap pended claims, and in order that it may be fully understood reference is to be had to the accompanying drawings, in which' Figure l is a top plan view of an attachment embodying my invention. Fig. 2 is a front view of the same. Fig. 3 is a vertical crosssection of the same. Fig. 4 is a detail perspective View of one of the winding-shafts. Fig. 5 is an enlarged vertical section of part of the attachment-frame as applied and secured to a bar of the platen-carriage. Fig. 6 is a detail perspective view of the construction shown in Fig. 5. Fig. 7 is a side elevation, partly broken away, of one end of the frame to expose the ratchet-tooth side of one of the friction-disks and the pawl to prevent back rotation of the same.

Eeferrin g to the drawings, Where like reference-numerals designate corresponding parts, an inverted- U shaped frame (see Fig. 2) comprises the upper portion 1, and at the lower ends of the same the forwardlyand rearwardly projecting angle-arms 2, terminating in footplates 5, adapted to underlie and bear tightly against the front and rear bars 4: of the carriage-frame of a Remington, Smith Premier, or any other approved type of machine, and the pendent portions of angle-arms 2 are formed at their inner edge with a series of ratchet-teeth 5.

0 designates clamp-plates slidingly mounted on the pendent portions of the attachmentframe, provided with upwardlyprojecting ears 7, between which are pivotally mounted dogs 8 for engagement with teeth 5, and in order to trip said dogs from such engagement they are provided with arms 9 to receive the downward pressure of the operators thumb orfinger. To look each dog against accidental movement from its operative or inoperative position, it is provided with notches 10 and 11 to receive the bevel-tooth 13 of the spring 1-2, arranged between the ears and riveted to the clamp plate. In order that the attachment-frame may be secured rigidly and reliably to bars 4, irrespective of the thickness of the latter, the clamp-plates carry at their under sides the stiff springs 14, bowed down to bear upon the bars and having their free or movable ends bifurcated, as at 15, to embrace the guide-pin 16, depending from the clamp-plates. By this arrangement it is obvious that as the attachment-frame is fitted, for instance, to a Remington, as indicated by the style of bars 4, with the foot-plates 3 underlapping said bars, the clamp-plates are slid down upon the pendent portions of the frame until the springs or cushions 14 are brought to bear upon bars at with sufficient force to clamp the foot-plates tightly and rigidly up against said bars, the springs 12 yielding sufficiently to permit the dogs 8 to slide from tooth to tooth in their progress downward and automatically looking them when the downward pressure upon the clamp-plates is removed. I

When it is desired to remove the attachment-frame, it is only necessary, by pressing downward upon arms 9, to trip the dogs 8 and permit teeth 13, by engagement with notches 11, to lock the dogs in their inoperative position, leaving the clamp-plates free to slide upward and the frame to be removed from the machine. 7 i

Projecting upward from the forward anglearms 2 are short arms 17, carrying at their upper ends the connecting paper-guide bar 18 and the paper-cutting knife 19, the latter also extending from one arm 17 to the other and converging with respect to bar l8,providing a sharpened upper edge upon which the paper containing the copy to be mailed or forwarded to another point may be severed at any time.

The vertical arms of the upper portion are provided in their front edges with the forwardly and upwardly inclined bearingnotches 20, 21, 22, 23, and 24, and journaled in notches 24. is the shaft of paper-roll 25, designed as the copy to be mailed or forwarded. Journaled in notches 23 is the shaft of carbonpaper roll 26, and journaled in notches 22 is the shaft of record-paper roll 27. .Iournaled in notches 21 is a shaft 28, designed to receive and act as a winding-roll for the carbonpaper, and said shaft is provided with a longitudinal slot or groove 29, intersected near one end by a notch 30 in the shaft for a purpose which will hereinafter appear and registering at the contiguous end with the inclined notch 32 in the inner face of a circular enlargement or disk 31, forming a part of the shaft, the enlargement or disk 31 at the opposite end of the shaft having a hole 33, in which is secured the spring-rod 34, said rod fitting in the groove 29 and having its lower end projecting into notch 32. When it is desired to attach the front end of the carbonsheet to said shaft, the operator inserting his thumb or finger in notch 30 springs the rod 34 upward and out of notch 32 snfiiciently to interpose the end of the carbon-sheet between the shaft and rod. He then releases the latter, and as it snaps back in position it presses the sheet firmly down into the groove 29,and thus eliminates all chance of the paper slipping as the roll begins to wind. In practice it will be advisable for economical reasons to employ a similar shaft for notches 23, to the end that the carbon-rolls shall be interchangeablethatis to say, when the paper on roll 26 is entirely wound upon roll 28 the shafts may be interchanged, shaft 28 in notches 23 to act as the feeding-roll and the other similar shaftin notches 21 to act as the winding-roll, as will be readily understood.

. 28 designates a shaft journaled in notches 20, similar in form to shaft 28, with the single exception that it is more prolonged at one end, as shown in Fig. 2, and to this shaft is adapted to be secured the front end of the record-sheet.

Vertically below shaft 28 and projecting inward from the attachment-frame are stubshafts 35, upon which are journaled frictionrollers 36, meshing at their upper sides with the friction-disks 31 of shaft 28 and at their lower sides with the friction-bands 38 upon the ends of the platen 37, said bands in practice being preferably secured to the circular end plates commonly found on the platen, as at 39. (See Fig. 2.) p

In practice as the platen is revolved in the direction indicated by the adjacent arrow, Fig. 3, the three strands of paper paying out in the corresponding direction and at the same speed through the customary paper-feed roll 37 or its equivalent the friction-disks. 36 are rotated in the direction also indicated by an arrow and impart rotary movement to the shaft 28 through the medium of its frictiondisks 31. In order that the shafts 28 and 28 shall move synchronously and at the same speed, I provide the following mechanism:

a0 designates a sprocket-wheel upon the projecting end of shaft 28, (see Fig. 2,) and 41 a chain connecting said sprocket-wheel with a sprocket-wheel 42, journaled on the prolonged end of shaft 28", and said sprocketwheel 42 is provided with a toothed clutch member 43, normally engaged by the clutch member 4a, keyed to slide but not rotate on the shaft 28, and said sliding clutch member is held yieldingly in engagement with clutch member 43 by means of the spring 45, sur-'. rounding the shaft and bearing at its opposite ends against the sliding clutch member and the collar 46, rigidly secured on the shaft. By this construction it will be seen that motion is transmitted from shaft 28 to shaft 28.

As the operator may desire to remove the days business from off the record-papenwindingroll, it is necessary that provision be made whereby the shaft 28 may be thrown out of gear with shaft 28 and the cylinder. To effect this, I provide means to disengage the clutch members, the same comprising a bearing-lug 4E7, projecting from the frame between the strands of the sprocket-chain, and a lever .48, pivoted to said lug and engaging the customary groove of the sliding clutch member in order that it may slide the latter on the shaft without interfering with its rotatable action. To disengage the clutches, pressure is brought to bear upon the upper end of the lever, and in order to lock the clutches out of engagement the upper end of the lever is formed with a hole 49, adapted to be engaged.

by a hook 50, pivoted to the frame. (See Fig. 2.) \Vhen the clutches are disengaged, it is obvious that the record-paper roll may be unwound without affecting the position of the carbon-paper-winding roll, and in order that the position of the platen shall not be affected the outer sides of the friction-disks 36.

of the machine the paper will be printed as.

usual and that each time the platen is turned to space for a new line the outer copy will be fed up past the cuttingvknife, the carbon will be wound upon roll 28, and the record-copy upon roll 28.

IIO

If at any time it be desired to remove the days business from. the record-paper-wintLv ing roll, it can be accomplished by first throw ing it out of gear with the carbon-paper-winding roll and the cylinder in the manner described. I/Vhen all of the paper on the upper or feed rolls is unwound, they can be removed readily bylifting them out of the notches in the frame, and the same is true of the carbon and record paper winding rolls. The latter may be filed away and the former fitted into notches 23 to be used again. New rec- 0rd and correspondence rolls are also fitted into the proper notches and the three strands of paper properly adjusted around the platen and to the shafts 28 28 and up through the knife, as will be readily understood. The machine is now in condition for operation.

When the attachment is in position, it is unnecessary to reverse the movement of the platen; but when not in position said platen is free to be manipulated in the customary manner.

While for convenience of illustration and to prevent the specification from being unnecessarily prolix I have shown and described only the particular method of construction whereby the attachment is to be secured to one style of machine-via, the Remingtonit is to be understood, of course, that it may be with equal facility attached to the Smith Premier or other machines by varying the construction at the lower end of the pendent portions of the angle-arms, and in order to cover such variations I have entered claims sufficiently generic for the purpose. It is to be understood also that various other changes may be made in the form, proportion, detail construction, or arrangement of the parts without departing from the spirit and scope of the appended claims.

Having thus described the invention, what I claim as new, an d desire to secure by Letters Patent, is

1. An attachment for type writing machines, comprising aframe detachably mounted on the platen-frame of the machine, paperfeed rolls journaled in the attachment-frame, winding-rolls journaled in the attachmentframe and adapted to receive the paper from the paper-feed rolls after it has passed under the platen, and geared together, friction-disks 1 CID journaled on the attachment-frame and ,engaging the platen and a winding-roll shaft, and means to prevent back rotation of said friction-disks, substantially as describedl 2. An attachment for type writing machines, comprising a frame detachably mounted on the platen-frame of the machine, paperfeed rolls journaled in the attachment-frame, Winding-rolls journaled in the attachmentframe and adapted to receive the paper from the paper-feed rolls after it has passed under the platen and geared together, friction-disks journaled on the attachment-frame and engaging the platen and a winding-roll shaft, means to prevent back rotation of said friction-disks, and means to throw said windingrolls out of gear, substantially as described.

3. In an attachment for type-writing machines, the combination of a pair of windingroll shafts, a wheel mounted upon one of the said winding roll shafts, a wheel journaled upon the other and connected to the firstnamed wheel, and provided with a clutchface, a spring-actuated sliding clutch member mounted on the second winding-roll shaft and adapted to engage and impart movement to said clutch-face wheel, a lever to throw said clutches out of gear, and means to maintain them in such relation against the resistance of the spring-actuated clutch, substantially as described.

4. An attachment for type-writing ma chines, comprising a frame having foot-plates to bear against the platen-frame of the machine, and a vertical series of teeth, clampplates slidingly mounted on the frame to move toward or from said foot-plates, and adapted to bear against the platen-frame at the opposite side from said foot-plates, dogs pivoted to said clamp-plates, and springs carried by the plates and adapted to hold the dogs in or out of engagement with certain teeth of the frame, substantially as described. In testimony whereof I affix my signature in the presence of two witnesses.

HUGH B. BRADY. Witnesses:

JAMES A. CARROLL, HICKS HORTON.

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