US900183A - Watch-movement. - Google Patents

Description

W. B. MEHL.

WATCH MOVEMENT.

il. i I ni//// I M u ./.l

Patented 0o'c.6,1908.

APPLICATION FILED EEB 29 1908 l E will #9g/ wnmnllllllg luumnllamnm f 'UNITED sTATE-s .irnnr ormon- WALTER B. MEHL, OF WALTHAM, MASSCHUSETTS;VASSIGNOR TO E. HOWARD WATCH COM-A PANY, OF WALTHAM, MASSACHUSETTS, CORPORATION 4OF NEW JERSEY.

WATCH-MOVEMENT.

Specification of Letters Patent.

Patented oct. o, 1908.

Application led February 29, 1908. Serial No. 418,466.

To all whom it may concern.:

Be it known that I, WALTER B. MEHL, a citizen of the United States, and 'a resident of Vlflaltham,y in the county of vMiddlesex and State of Massachusetts, have made'and' invented certain new and useful Improvements in VVatch-Movements, of which the following is a specication.

My invention relates to an improvement in stem winding andsetting watches, and more particularly to the Winding ,and set-- ting mechanismV of the lever-set type, the object being to provide mechanismof this character which will consist of but few parts, which will be simple in its construction, and positive in its o eration, and in which the various parts wi be retained in either their Winding or setting positions until moved therefrom by a manual operation.

Another object of my invention is to'provide a movement plate for a watch of this character having lts frontor dial side reh oessed to receive parts of my improved leverset mechanism, and its opposite or train side adapted to receive parts of the pendant setting and winding mechanism shown and described in Letters Patent of the United States, issued August'lst, 1905, to Ryland lL. Taft, assigner, andnumbered 7 96,162, the

Winding inion, winding arbor, and the slid'- ing clutc i or toothedsleeve,'show.n in said patent, being common to both constructions.

The urpose is to provide a movement plate whichmay be made in large quantities and which may be employed in either the lever-setor pendant-set type of watch, there by avoiding the necessity of making two styles of movement plates.

A further purpose of this peculiarV construction is to provide a watch in which the winding and Asetting mechanism may be uickly and easily changed from one type to t e other, if for any reason, such' a change is desired. f

With these and other objectsin view, my invention consists in certain'novel features of construction and combinations of parts, `as will be hereinafterfully described and 'pointed out in the claims.

In the accompanying drawings Figure 1 is a view of a part of the Watch movementconstructed in accordance with my invention and showing theseveral parts in the settingposition.

C the pendant and D the crown secured to the outer end of the pin or stem d, the opposite or innerend of which engages withthe upper end of the winding arbor F. Slidingly mounted upon the squared port-ion of the winding arbor F is a clutch or toothed sleeve I, provided at its upper` end with teeth 'il nor` mally engaging the wmding inion K, rotatably mounted upon the win ing arbor F, as shown in Fig. 3, and provided at its lower or inner end with crown teeth 712 ada ted to be moved into engagement with the Intermediate setting wheel i3, as shown in Fig. 1, when it is desired to set the Watch, in the manner lhereinafter described. Intermediately of its upper and lower ends, the clutch or toothed sleeve I' is provided with a groove or recess i for the purpose hereinafter set forth. The foregoing construction and arrangement of parts is fully shown and described in the patent of Taft,refered to above, and are'common to both the pendant-set mechanism, shown therein, and my improved lever-set mechanism, which l will now describe.

Pivoted' uponthe outer or dial side of the moveinentpl'ate B, and lying within a suitable recess or depression E formed therein, is a lever G, the longer arm gl of which is provided with an outwardly extending end portion g2 adapted to pass through a notch or recess a formed in the watch case center and communicating with the recess E, and

being provided with the 'usual projection or iinger piece b, by means of whlch the lever G may be moved outward or inward as'desii-ed. The shorter `arm g3 ofthe lever G, which is referably beveled' as shown, engages with) and is retained in its normal osition (shown in Fig. 2), by the free end of the spring H, which is secured to the plate. B' within a suitable recess Lwhich communi,-

cat'es with therecess E.

The lever G is provided with 'av depending l arm c, which is preferalily slightly curved, and which is adapted to co-act with the upwardly extending 'free end fm of the lever M, pivoted in the recess L, which lever carries a pin n engaging within the recess t of the clutch or sleeve I, whereby any movement of said lever will cause a corresponding movement of `the clutch or sleeve. This clutch lever M is supported at one end by the ivot screw L2 passing through the opening 1 formed through the plate B, this opening L1 being so located as to accommodate the clutch lever of either the pendant or lever set mechanism. The free end 7c of the spring H tends to hold the lever M in its normal or upper position, as shown in Fig. 2, whereby the teeth i1 of the clutch or sleeve I, are normally held in engagement with the winding pinion K, and when the parts are sopositioned the watch may be wound by rotating the crown in the usual manner.

When it is desired to set the watch, the lever Gis moved outwardly by means of the finger piece b, lthe depending arm c moving upwardly and exerting a cam -like action upon the upwardly extending end m of the lever M, whereby the latter is forced downward against the action of the free end 7c of the spring l'I, into its lower or alternate position, the pin n carried thereby, causing the clutch or sleeve l to move into itslower osi-v tion, in which the crown teeth i2 wi be thrown into engagement with the inter1ne diate setting wheel i, as clearly shown in Fig. l, whereby the watch may be set by rotation of the crown. The arm e and the free end m lare so proportioned that when the parts are in their setting or alternate position, the former will slightly overlap the latter, as shown in Fig. l, whereby the parts will be securely locked in'position. the watch has been set, the lever G is pushed inward, the arm c disengaging itself from the free end m of the lever M, wherebvthe end L of the spring H will force said lever and the clutch or sleeve I into their normal or upper positions, the rnd h of ,the spring H, co-acting with the beveled end of the short arm g3 of the lever G, to hold said lever in its nor'nal position, and preventing any ac? cidental movement thereof. y

l preferably so form the recesses E and L that the depths thereof will be the same as the thickness'of the levers G and M, and the spring II, in order that,'when the parts arel secured in place,b their upper surfaces will be lush with the upper or outer surface of the movement late.

It will be seen that l have devised a very simple, but positively acting lever-set mechanism, and the operating levers and s ring' thereof are located upon the side o 'the movement plate. opposite to that to which the levers and spring of the pendant -set` After mechanism in the above-mentioned Taft patent are adapted to be secured, so that the moveinent plate may be' used with watches of either the lever-set or pendantset type, and a watch of one type may be easily and readily converted into one of the other type.

Having fully described my invention, what I claim as new and desire 'to secure by Letters Patent, is

1. In a stem winding and .setting watch, the combinationv with a movement plate, of an arbor rotatably supported thereby, a clutch slidingly mounted uponsaid arbor, a clutch lever ivoted to said plate for operating the clutclh, a manuallyoperated setting lever pivoted to said plate and adapted to move and lock said clutch lever in its setting position, and a spring one end of which holds said setting lever in both its setting and Winding positions, and the opposite end of which spring engages and returns said clutch lever toits winding p/osition, substantially as described.

2. In a stenrwinding and setting watch, the combination with a movement plate, of an arbor rotatably supported thereby, a

clutch slidingly mounted upon said arbor, a

clutehlever pivoted at one end to said plate and free at its opposite end, and provided with clutch engaging means between its free and pivoted ends, and a manually operated setting lever pivoted to said plate and adapted to engage the free end of said clutch lever to lower' and lock the same in its setting position, and a spring, one end of which engages and holds the said setting lever in its 'different positions, and at its opposite end engages and operates to return said clutch lever to its winding position, substantially as described.

3. ln a stem winding and setting watch, the combination with a movement plate, of an arbor rotatably su ported there iy, a clutch slidingly mounter upon said ar or, a clutch lever pivoted at one end and free and curved at its opposite end, and priwided' with means between its free. and pivoted ends for engagin and sliding said clutch, a in'anually opera ed set-ting lever pivoted to said plate and provided with a curved arm extending therefrom, ada ted to co-aet with the curved end of the c utch lever to lower and lock the same in its setting position, and a spring secured to said plate, and engaging at one end thesetting lever to .hold the saine Vin its different positionsv and at its opposite end engaging said clutch lever to return the latter to lts winding position when released by said setting lever, substantially as described.

4. In a stem Winding and setting watch, a movement plate ada ted to receive and hold pendant winding an setting mechanism on the trein side thereof, end/recessed lon the Signed et Waltham, in theA county of Middial side to reeeivel lever setting mechanism dleseX, and State of Massachusetts, this 26th and lprovided.with an openin through thefV dey of February, A. D. 1908. same whereby to pivot the c utch lever of WALTER B. MEH-L.

5 either the pendant setting mechanism on the Witnesses:

one side, or lever setting mechanism on the MARY A. PAYNEL other side7 substantially as described. C. C. CLAPP.

Images