US508349A - Writing-tablet and manuscript-holder - Google Patents

Description

(No Model.) 3 Sheets-Sheet 1.

B. W. SCOTT. WRITING TABLET AND MANUSCRIPT HOLDER.

No. 508,349. Patented Nov. 7, 1893.

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WITNESSES.

A TTOHNEYS.

THE NATIONAL \JwosaAPHma COMPANY,

WASHINGTUN. o. c.

3 Sheets-Sheet 2.

(No Model.)

B. W. SCOTT. WRITING TABLET AND MANUSCRIPT HOLDER.

Patented Nov. 7, 1893.

! s INVENTOI? A TTOBNEYS.

(No Model.) A 3 Sheets-Sheet 3.

B. W. SCOTT. WRITING TABLET AND MANUSCRIPT HOLDER.

Patented Nov. 7, 18-93.

N VE N TOE 2mg A rromvEys.

NITED STATES PATENT O'FFIC.

BARTON w; soorr, OF SAN JOSE, ASSIGNOR TO HIMSELF, AND WILLIAM .IRIOE, or SARATQGA, CALIFORNIA.

WRITlNG- TABLET AND MANUSCRlPT-HOLDER.

sPEcIFicA'rIoN forming part of Letters Patent No. 5 08,349, dated November 7, 1 see. Application filed January 17,1893 Serial No. 458,638- (No model.) i

To all whom, it may concern.

Be it known that I, BARTON W. SCOTT, of

San Jos, in the county of Santa Clara and State of California, have invented a new and Improved Writing-Tablet and Manuscript Holder, of which the following is a full, clear, and exact description.

The object of the invention is to provide a new and improved hand actuated writing tablet and manuscript holder, which is simple and durable in construction, and more especially designed for the use of stenographers, writers, public speakers, type setters and others, and arranged to permit of conveniently writing subject matter onv a continuous sheet or web of paper, and displaying the written matter in the proper position either for the speaker when delivering the speech, or for the copyist when copying, or the type setter to work from or for other purposes.

Theinvention consists of a casing provided with two winding drums for the paper, a main shaft journaled in the casing, and two sets of gear wheels actuated from the said shaft, and adapted to be geared with the said winding drums. r

The" invention also consists incertain parts and details, and combinations-of the same, as will be hereinafter described and then pointed outrin the claims. 2

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding partsin all the figures.

Figure 1 is a perspective view of the improvement showing the cover of the casing open. Fig. 2 is a transverse section of theism, parts being insectionr Fig. 5 is a plan r view of the casing and contents with the cover top, frame and: table removed. Fig. 6 is a transversesectfion; of a clutch mechanism for the tripping-device.; a face view of the clutch wheel. Fig- 8 a longitudinal sectional side elevation of *the improvement on the line 8'8 of Fig. 5. Fig. 9,: is a similar view of the same onthe line 9-9 of Fig. 5.

Fig. 10 is a longitudinal section of the im provement on the line 10--'10 of Fig. 5. Fig. 11 is a transverse section of part of the improvement on the line 11-11 of Fig. 8, and Fig. 1 2 is a rear side elevation of the mechanism for shifting the paper line by line.

The improved writing tablet and manuscript holder is provided with a casing A preferably made of a light sheet metal, such as aluminum or other material, the casing being arranged in the shape of a book as plainly illustrated in Fig. 1, with one of the covers A arranged to swing open to present a rectangular. frame A hinged at A to the top edge of the rear side A of the casing A, the front end of the said rectangular frame A resting on the top edge of the front side A, as plainly shown in the drawings. This hinged frame A is locked in place at the front side by a spring pressed latch A pivoted to the inside of the front side A. Under the rectangular frame A is arranged a table B over which passes the paper 0 made in a continuous sheet or web and on which the subject matter is written or the matter written thereon is read from, in delivering a speech or copying the subject mattergas the case may be. The table B is supported at its front on posts B, erected inside of the casing A, at the front side A thereof, as plainly shown in Fig. 2, the rear side of the said table resting on a longitudinal] y-extending partition A formed in the casing near the rear-end A as plainly illustrated in Figs. 2 and 5. v

The front and rear ends'of the table B are bent downward to form flanges B fitting over the posts B, and the partition A to securely hold the said table in place. The table B is preferably made of a light sheet metal and is strengthened on its under side by a series of transverselyextending ribs B as plainly indicated in Figs. 2, 9 and 10. The front and rear sides of the-table B-project beyond the opening of the frame A while the ends of the said table do not quite reach to the ends of the frame opening, as will be readily understood by reference to Figs. 8 and 9.

The paper 0 is in the form of a continuous sheet of any desirable length, and is adapted to be wound up or unwound from a transversely-extending paper drum D,from which in the partition A and the rear side A the paper passes over a roller E located in the upper end of the casingA and journaled at its ends in the front side A and the partition A of the said casing, as plainly shown in Fig. 5.

The top of the roller E is in alignment with the top of the table B, so that the paper passes from the roller onto and over the'top of the table B, to finally pass from the lower end of the latter under the frame A upon a second roller F arranged transversely in the lower end of the casing A and likewise jour naled in the front and rear sides of the easing A. The paper passes from thelower end.

of the roller F to a paper drum G arranged in front of the roller F and extending transversely, parallel to the other drum D and the rollers E and F, as will be readily understood by {reference to "Fig. 5. The ends 0' C of the paperOare held in place on theshafts D and G bya suitable clampingspring, see Fig. 5, or other device. Now, it will be seen that when the Epaper drum G is turned in the direction of the arrow 0., then the paper 0 is wound on the said drum and 'unwo'nnd from the drum D,thepaper passing over the table B in thedirection of the arrow 1). -\Vhen, however, the drum D is rotated in the direction of the arrow 0', then the'paper winds-up on the drum D and unwinds from the drum Gfthepaper'then passing overthe table B-in the inversedireotionof the arrow 1).

In order to impartthe moveinent'described to the paper drums D and G, I provide a hand actuated mechanism partly arranged within the casing A and part on the rear side thereof, as plainly illustrated in the drawings. This mechanism serves to rotatethe drums D and G in thedirections mentioned, for i111- parting a traveling motion to the paper 0 in either'aforward Orbackward direction, that is, in the direction of the'arrow'b or the inverse direction thereof. This handac'tuated mechanism is provided with a transversely extending shaft H journaled in suitablebearings arranged onthe front and rear sides A and A respectively, the saidshaft heinglocated between the drums? G and D, as plainly illustrated in Fig. 5. The forward end of the shaftH projects into-a recess formed on the outside of the front side A of the casing A, as shown in Figs. -1and 2, and this outer end of the s'haftis made'square as at H, for receiving a key to conveniently turn the said shaft for the purpose hereinafter more fully described.

Near the rear end of the shaft H, at the back of the partition A is secured a gear wheel H adapted to actuate two trains of gear wheels I-and J, of which the train of gear wheels I isadapted to be geared with the drum D, and the other train of gearwheels is adapted to be geared with the paperdrum G. The train of gear wheels I is arranged on one side of the gear wheel H and is provided with a pinion I in mesh with the said gear wheel H and mounted to rotate on a shaft I held On atits lower end at D to the inner surface of the rear side A of the casing A. The upper end of the lever D is reduced to form a handle which extends through an opening A in the rear side of the frame A see Figs. 1 and 8, so that the end of this lever can be taken hold of on top "of thecasing A by the operator when the cover A is swungbaek. The longitudinal s'winging motion of the lever D is limited by. a stop'pin, or projection (not shown) 'secured-onth'ebackof thelever D near its handle i end, the said pin orprojection being adapted to engage'either-of two notches ordents D and D formedintherea'r side A, as shown in Fig. 8. Now,it will beseen that when the-lever D is movedto theleft, the-pinion D is thrown inmeshwiththe gear-wheel I and when theshaft l-lis rotatedand thetrain of gear wheels I is-set in motion thereby, then a rotary motion is given to t'hesaid pinion D and consequentlyto the paperdrumd) which latter then revolves in' thedirection 'of themrow 0', to wind up the paper. The other-train of gear wheels J for the drum G -is-similarly constructed to the train ofgear wheels I, and is arranged on the-opppositeside of the wheel H to that on which the train'of gear wheels I is located. This "train of gear "whee-ls J is provided with apinion J in 'mesh with the gear wheel H and 'inountedto turn on ashaft J held in hearings in the partition A and the rear side A. On the hub of this .pinion J is secured a large gear wheel J in mesh with a pinion J 4 heldon a shaftJ, journaled in the said partition A and 'rear side-A On the hub of this pinion J is secu'red a-large gear wheel J adapted to die engaged by a pinion Gr held on the reduced end G of the shaft of the drum G. of this shaft G is journal'ed insuitable bearings in alever G3 arranged vertically and pivoted at its lower end at'G to the inner surface-of the rear side A of the casing A. The upper end of this lever G3 is reduced' to form a handle which'extends through an opening A in the rear side of the frame A see Figs. 1 and 8; so that the *end of this lever can be taken hold of on top of the casing A by the operator, whenever the cover A is swung back. The longitudinal swinging motion of the lever G is limited by a stop pin arranged at the back of the lever Gisee Fig. 11,-and adapted to engage a'dent G arranged on one side of the handle end of the saidlever, see-Fig. 8, and formed in the rear side A. Now, it will be seen that when the lever G is moved to the right its pinion G is thrown in The rear reduced-end mesh with; the gear wheel J and as the lat-.

terrec'eivesa rotary motion when the vmain driving shaft H is turned, a rotary motion is given to the drum G to wind up the paper thereon for the purpose hereinafter more fully described.

In order to rotate the-paper drum D for shifting the paper line by line, ;I provide the mechanism K arranged in the upper end of the casing A between the partition A7 and the rear sideA see Figs. 5, 8 and 12. When the lever D .is moved to the right, the pinion D is thrown in mesh with a large gear wheel K mounted to rotate loosely on a short shaft K held in suitable bearings in the partition A on the side A. A lever K is loosely ful-v crumed on the shaft K? and is provided with an upward extension adapted to pass through a notch formed in the frame A near. the opening A as shown in Figs. 1 and 8. The outer end of this extension of the lever K carries a button K adapted to be pressed on by the operator. Onthe lever K is held a spring pressed pawl K engaging the gear wheel K, so that when the button K is pressed, the said lever K swings downward and the pawl K imparts a rotary motion to the gear wheel K, which onaccount of being in mesh at the time with the pinion D, rotates the paper drum D in the direction of the arrow 0, to wind up the paper thereon. .A spring K is connected with the lever K to draw the lat ter back into its uppermost position, as soon as the pressure on the button K ceases. A dog K engages the gear wheel K to prevent a return movement of the latter. The distance the button K is pressed down regulates the distance the sheet of paper 0 is wound on the paper drum D. Usually however, the button Ktis pressed such a, distance as to move the paper forward the distance between two lines on the paper, so that every time the button K is pressed a new line is presented to the operator writing on the paper, the hand being supposed to be stationary.

When the lever D is in a verticalposition, as shown in Fig. 8, its pinion D is out of mesh with either the gear wheel I or the gear wheel K. This intermediate position of the lever D is necessary so that the paper can unwind from the paper drum D and wind up on the drum G, as before mentioned at the time the shaft H is turned. f In a like mans nor, the pinion G is held out of mesh as shown in Fig.8, at the time the pinion D is in mesh with its gear wheel I for the purpose of winding up the paper on the drum D.

In orderto return the paper the distance of one page at a time, the page being considered the amount displayed in the opening of the frame A adevice L is provided having a segmental bevel gear wheel L mountedto r0.- tate loosely on the rear end-of the shaft H and in mesh with a like segmental bevel gear wheel L secured on a longitudinally-extending shaftL mounted to turn in suitable bearings L attached to the rear side A of the easof the said annular flange H held on the respective arm L presses against ing A. The shaft L extends with itslower square end L to the lower end of the casing A and this square end L is adapted to be engaged by a key L having a finger piece, as indicated in dotted lines in Fig. 5. A coil spring L attached at one end to a bar secured on the casing A is connected at its inner endwith one side of the bevel gear wheel L, so that when the spring is wound .up on turning the gear wheel the latter will automatically return by the action of the spring L".

In order to connect the bevel gear wheel L with the gear wheel H to rotate the latter in .onedirection only, I provide the rear face of the said gear wheel with an annular flange H see Fig. 3. On the hub of the bevel gear wheel L are formed arms L extending in opposite directions and each carrying a brake shoe L adapted toengage the inner surface 11 A spi n g L the brake shoe L to hold, the same in fI'lC, tional contact with the flange H Now, it, will be. seen that when the geanwheel L is turned in one direction, the brake shoes L remain out of frictional contact with the fiange H but when the said gear wheel L is turned inthe opposite direction, the brake shoes L enga e the said annular flan e. and t carry the same along, thus turning the gear wheel H which, by its connection with the train of gear wheels I actuates the lattertoreper 0, the distance of one page.

.100 olve therdrum D sufficiently to turn the pa- In order to keep the mechanism locked dur:

ing the time the paper is to remain at a' standstill, I provide a brake mechanism N under the control of the operator. This brake mech: anism N is provided with a brake shoe N adapted to beheld in frictional contact with the periphery of the. gear wheel J of the train of gearwheels J, see Figs. 5 and 8. The brake block N is held on a pin N projecting from thebrake lever N arranged between the partition A andthe rearside A the fulcrum of the lever being on the partition. A spring N secured on the casing is connected with.

the said lever N so as to move the latter up.- ward to hold the brake shoe N in frictional contact with the wheel J so as to lock the said train of gear wheels in position. The freeend of the brake lever N is pivotally connected with an arm Niconnected by an articulated joint N with one arm of a bell crank lever N pivoted to the casing and provided on its upper arm with a button N projecting through a recess in one edge of the frame A so that the said button is under the control of the operator.

A tripping mechanism 0 actuated from the roller Fis connected with the brake mechan N? is provided with a friction roller N and a fixed L-shaped arm L adapted to engage op.- posite sides of the cams O and 0 formed on the front face of the gear wheel 0 mounted to rotate loosely on a short shaft 0 journaled in the partition A and the rear side A of the casing A. The gear wheel O is in mesh with a pinion O mounted to rotate loosely on the shaft F of the roller F,the said pinion 0 being provided at its front face with a series of recesses 0 arranged in a circle, see Fig. 7,

and adapted to be engaged by a pin P pro-.

jecting rearwardly from the rear face of a grooved shifting wheel P mounted to slide on and to turn with the shaft F of the roller F, as plainly illustrated in Figs. 5 and 6. The hub P of the wheel P is provided for this purpose with a slot P engaged by apin P fastened to the shaft F, the said pin permitting the wheelP to slide to engage the'pin P'with one of the apertures O and at the same time the pin P causes the wheel P to revolve at the time the roller F is turned by the traveling paper unwinding from the drum G and winding up on the drum D. l he groove in the periphery of the wheel Pisengagedby a pin P projecting from a lever P fulcrumed at its lower end at P on the rear side A as plainly shown in Fig. 8. The upperend of this lever P extends through an aperture A in the frame A, so that the outer'end of the leverisunder the control of the operator, who can shift the lever transversly to move the pin P in or out of contact with one of the apertures 0 In order to lock the lever P in either an inward or outward position I engage the said lever with notches P and P formed in a bar P extending transversely and secured on the partition A and the rear side A, as illustrated in Fig. 5. When the paper travels over the roller F at the time the paper winds up on the drum D, and when the lever P is shifted transversely to move the pin P in contact with an aperture 0 in the gear wheel 0 then the latter is rotated with the said roller Fand imparts -a rotary motion to the gear wheel 0 so that the cams O and O on the said gear wheel 0 can act on the friction roller N so as to open the articulated joint N connecting the arm N with the bell crank lever N This is done to stop the traveling motion of the paper at the time the latter moves in the inverse direction of the arrow b and has movedthe distance of one page, that is, the distance exposed to view in the opening of the frame A. When the lever N is in its usual position as shown in Fig. 4, then the brake shoe N is supplied on the gear wheel .1, the button N of the bell crank lever N then being in an uppermost position. Now, when it is desired to rotate the drum G by the train of gear wheels J, the latter must be unlocked by releasing the brake shoe N on the periphery of the gear wheel J. This is done by the operator pressing the button N so that a swinging motion is given to the bell crank lever N which, by its connection with the arm N pivoted to the lever N causes the latter to swing downward, thus moving the'brake shoe N out of frictional still and the cams O and O are out ofaction.

as regards the opening and closing of the articulated joint N connecting the arm N with the bell crank lever N. The paper on the under side of the roller F is pressed in contact with the latter near the middle by a roller Q made of felt or other suitable soft material and journaled in a frameQ' projecting from a transversely-extending shaft-(.13 mounted to tu rn in suitable bearingsarranged in the front side A and partition A. A spring Q is coiled on the said shaft Q and fastened with one end to the side A and at its other end on a pin secured onthe shaft Q so as to hold the roller Q always in contact with the under side of the paper 0 to press the latter against the roller F. The latter, aswell as the roller E in the upper part of the casing A, is preferably covered with rubber or other suitable elastic material to increase the adhesion of the paper on the said rollers to prevent slipping.

A brake shoe S presses the paper on the paper drum G, the said brake shoe being arranged on the under side-of the paper and secured on an arm S projecting from a trans versely-extending shaft S journaled in suitable bearings in the side A and the partition A Aspring S is coiled on one end of the shaft S and secured at one end to a disk S fixed to the side A and provided with a series of apertures S one of which isengaged by the end of the spring. The latter is attached at its other end to a pin on the said shaft S the said spring serving to hold the arm S upward to move the brake shoe S in firm contact with the paper on the increasing and diminishing of the roll of paper, as it accumulates or lessens on the drum G. The disk S serves to increase or decrease-the tension 'of the spring The bearings T for the shafts of the drums G and D, and the shafts of therollers E and F on the front side A, are preferably of the construction illustrated in Fig. 10, each hearing T being formed with a semi-circular lower seat part T and a beveled top partT secured in a spring T fastened to the lower part T. One side of the latter is slightly beveled so as to form a V-shaped groove when the upper part T is over the seat for the shaft, as plainly shown in Fig. 9. Now, it will be seen that in order to place one of the shafts in its bearing T, the end is simply passed down the beveled parts of the hearing so that the upper part T finally swings to one side, its spring T permitting such movement until the'shaft has dropped into the opening in the lower part T. The spring pressed upper part T then snaps over the end of the shaft and holds the same securely in place in the bearing. As previously described, the opposite bearings of the shafts G and D are in the levers G and D respectively.

The operation is as follows: In using the machlne for writing on the paper 0, the operator places his right hand and pen or penoil on 1 the manuscript paper in the position most convenient for him, with his left hand on the open cover A, so as to hold the latter in an open position. The operator then places theleft forefinger on the button K held man uppermost position by thespring K and on presslng the said button the lever K by its pawl K turns the gear wheel K in mesh with the pinion D, so-that the paper drum D winds up the paper, the drum turning in the direction of the arrow c,'and the paper moving over thetableB in the'inverse direction of the arrow'b, Now, as soon as-the operator has finlshed aline he presses the button K down again to move the paper forward the distance of one or two lines accordingto the depth the button K is depressed The paper -C is of suflicient length to enable a reporter or other person to note down a lengthy speech or other matter, 1t being understood that the paper is shifted-in the inverse direction of the arrow b one'or two lines at a time on pressing the button K Now,in case the operator desires to review and correct writings wound up on the paper drum D, he throws the lever D into an intermediate position and moves the lever G to the right, so as to bring the pinion G in mesh with the gear wheel J and then applies a key on the square end H of the shaft H to turn the latter so as to actuate the train of gear Wheels J to revolve the drum G, which rewinds the paper, the latter then traveling in the direction of the arrow 1). It is understood that the paper now unwinds from the paper drum D and travels over vthe table B. When the paper has finallybeen wound up again on the paper drum G the first line the operator has written again appears in the opening of the frame A and the party desires to correct or read off the written matter-or to copy the same page by page, he then moves the lever G to the left to disengage the pinion G from the gear wheel J 6 and moves the lever D to the left to move its pinion D in gear with the gear wheel I. The operator also moves the lever P transversely toconnect the shaft F of the roller F with the pinion O by the shifting wheel P engaging with its pin P one of the apertures O of the said pinion 0 Now, as soon as the operator has read or copied the first page as it appears in the opening of the frame A he presses with his finger the key L downward, so that the shaft L is rotated and'the gear wheel L meshing in the gear wheel L rotates the latter to Wind up the return spring L the brake shoes L then being off the annular flange H of the gear wheel 11'. As soon as the operator releases the pressure on the key L", the wound up spring L causes its gear wheel L to return, at the same time carrying along the arms L and the brake shoes L", which now clutch the flange H thus rotating the gear wheel H and the latter by its con eral parts described are so arranged and. geared in proportion, that the return movement of the spring will shift the paper the distance of one page, so that the second page of themanuscript will be displayed in the opening of the frame A The roller F which vis rotated by the paper traveling in the in.-

verse direction of the arrow bcauses the gear wheel 0 carrying the cams O and O to make one-half revolution for each page of manuscript, so that the cams O and 0 act on the bell crank lever N by one of the cams coming in contact with the friction roller N and the arm N so as to hold the brake shoe N 0d the wheel J 6 until the paper has traveled the distance of one page,-after which the friction roller N and the arm N pass off the respective cam to again permit the spring N to swing the lever N upward, so as to ap-' ply the brake shoe N on the gear wheel J to stop the actuating mechanism at the time the bottom of the first page disappears in the upper end of the opening of the frame A I Itisunderstood that during the return movement of the gear wheel L caused'by the action of the spring L both trains of gear wheels I and J are rotated from the gear wheel H and it is necessary to unlock the train of gear wheels J by releasing the brake shoe N, the operator pressing the button N for thatpurpose, as previously explained. It will be seen that by this arrangement page after page is displayed in the opening of the frame A the operator only having to press the key L downward to wind up the return spring L which. on the release of the key actuates the mechanism as described. It will further be seen that in this manner the machine will display before a public speaker his notes or his full manuscript, for use in delivering the speech or the entire matter is presented before a type setter as his copy, or before a player of a musical instrument as his music.

Having thus fully described my invention, I claim as new and desire to secure by Letters Patent:

1. In a device of the class described, the combination with a main driving shaft carrying a gear wheel, of two trains of gear wheel connected with the said main shaft gear wheel, paper drums adapted to be thrown in mesh with the said trains of gear wheels, and a spring mechanism connected with the said main shaft gear wheel a depressing key to wind the spring, and means whereby on releasing the key the compressed spring actu ates the said main shaft gear wheel and the trains of gear wheels, substantially as shown and described.

2. In a device of the class described, the combination, with a casing provided with a table over which passes the paper to appear in an opening formed in the top of the easing, of a main driving shaft adapted to be turned by hand and carrying a gear wheel, a spring mechanism connected with the said gear wheel, a depressing key to wind the spring, two trains of gear wheels in mesh With-the said main shaft gear wheel, two paper drums journaled in the said casing parallel to the main shaft and adapted to be thrown in mesh with the said trains of gear wheels, and a brake mechanism connected with one of the said trains of gear wheels to lock the driving mechanism, substantially as shown and described.

3. In a device of the class described, the combination with a casing provided with a table over which passes the paper to appear in an opening formed in the top of the casing, of a main driving shaft adapted to be turned by hand and carrying a gear wheel, two trains of gear wheels in mesh with the said main shaft gear wheel, two paper drums journaled in the said casing and adapted to be thrown in mesh with the said trains of gear wheels, a brake mechanism connected with one of the said trains of gear wheels to lock the driving mechanism, and a tripping mechanism, substantially as described, for automatically unlooking the said brake mechanism to hold the brake shoe oh? its brake wheel during the time the paper runs back over the table the distance of one page, as set forth.

4, In a device of the class described, the combination with a main driving gear wheel provided with an annular flange, of a segmental gear wheel mounted to rotate loosely on the shaft of the said main gear wheel, a spring connected with the said segmental gear Wheel and adapted to be wound up by the latter, and brake shoes pivoted upon arms projecting from the said segmental gear wheel, the said brake shoes being adapted to engage the annular flange of the said driving gear wheel, substantially as shown and described. [5. In a device of the class described, the combination with a main driving gear wheel provided with an annular flange, of a seg mental gear wheel mounted to rotate loosely on the shaft of the said main gear wheel, a spring connected with the said segmental gear Wheel and adapted to be wound up by the latter, brake shoes pivoted upon arms projecting from the said segmental gear wheel, the said brake shoes being adapted to engage the annular flange of the said driving gear wheel, and springs pressing on the said brake shoes, substantially as shown and described.

6. In a device of the class described, the combination with a main driving gear wheel provided with an annular flange, of a segmental gear wheel mounted to rotate loosely on the shaft of the said main gear wheel, a spring connected with the said segmental gear wheel and adapted to be Wound up by the latter, brake shoes pivoted upon arms projecting from the said segmental gear wheel, the said brake shoes being adapted to engage the annular flange of the said driving gear wheel, ashaft carrying a segmental gear wheel in mesh with the first named segmental gear wheel, and a key held on the said shaft and adapted to be pressed on by the operator to rotate the shaft andthe segmental gear wheels to wind up the spring, substantially as shown and described.

BARTON W. SCOTT.

Witnesses:

C. K. STETSON, WM. RICE.

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