US1247515A

US1247515A - Watch.

Info

Publication number: US1247515A
Application number: US81105614A
Authority: US
Inventors: George F Eberhard; William T Maloney
Original assignee: Robt H Ingersoll & Bro
Current assignee: Robt H Ingersoll & Bro
Priority date: 1914-01-08
Filing date: 1914-01-08
Publication date: 1917-11-20
Anticipated expiration: 1934-11-20

Description

G. F.. EBERHARD & w. T. vMALoNl-nr.

WATCH. I

APPLICATION mw mms. 1914.

Patented Nov. 20, 1917.

.ril

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25 jzvenzar-s: a GeofyeZeI/at;

' f f y a4 15 14 Aplate of a 'watch with the dial removed, 2

UNITED STATES 'PATENT GEORGE E. EBEEHARD `nim WILLIAM r. MALONEY, or armaron, NEW JERSEY.

.ASSIGNORS lTC) ROBT. NEW YORK.

H. INGEEsoLE a Bao., A Joiiv'r-sr'oci; Assoorn'rion `or WATCH.

Patented Nov. 20, 191W.

K Application lerdanuary 8, V1914. Serial No. 811,056.

To all whovmrzt may concern.' p i l Be it known that we, GEORGE F. ylilEEnHi-inn and VILLIAM T. MALoNEv,l citizens of the United States, residing at Trenton, New Jersey, have invented certain new and usevful Improvements in Watches, of which the following is a specification.

One object of our invention is to kprovide a stem winding and stem setting mechanism which shall be readily accessible from 'the dial side of the watch, ,and to provide a retaining cover for the controlling or operating leversandother parts, and a .bridge for the minute wheel.

The invention consists in the features and combination and rarrangement of, parts hereinafter described and particularly pointed out in the claims. u

In the accompanying drawingsl Figure 1 represents ya plan view of a vportion of a watch on the dial side thereohthe dial and hands beingV omitted;

Fig. 2 is a sectionaljview along theline QhQof Fig. 1, looking in the arrowl direction;

Fig. 3 is a sectionalview on the line 3 3 of Fig. 1;

\ Fig. 4L is a sectional view ,on the line 4-4 Atheretaining bridge. omitted, and with the hour wheel omitted; n

Fig. 6 represents in plan and in elevation the combined cover and minute bridge.

In these drawings, 1 rindicates the dial represents the bridge which is attached to the rear or under face of the dial plate, and in a recess inwhich is located the winding wheel 3. This winding wheel is engaged by the winding gea-r L which is mounted on the Winding stem A5, the winding stem being rect'angulariincross section and being slidable through the winding gear. 6 represents the sliding clutch mounted on the Winding stem, and which is turnable therewith because of the rectangular -form of the winding stein, the said clutch, as is usual, having teeth 7 to engage clutch teeth 8 formed with the winding gear. The ,clutch is also combined with a crown wheel 9, as usual, which is adapted to mesh with the minute wheel 10 suitably mounted on a stud or pin 1l on the dial plate, this wheel transmitting its motion in the ordinary way 'engaged from the lever 13. `The general through a .toothed wheel to the minute' hand. The crown wheel is .shiitable with the said lever 13 being pivoted ena piu il extending from the dial plate. This lever is controlled by a spring 15, and another lever 16, with which also the Isyn-ing. 1.3 engages, is pivoted on a pin 17 mounted in the `dial plate and having an arm 18 engr-iging a groove in the head of the winding stem, as shown at 19. The lever 16 VIalso has an, arm 20 adapted to work against the edge of the lever 13. When the winding stem is pulled outwardly radially, the lever 16 is operated `to cause its arm 20 to work against the edge. of the lever 13, and shift the clutch out of connection with the winding gear 4, and at the same time shift the crown` gear 9 into mesh with tliedloothed minute wheelvso that upon turning the winding stem the setting of the hands may `be effected. l Vhen thewinding stein is operated inwardly tooccupy its normal position, the lever 16 is thrown out of engagement with the lever 13, allowing the spring 15 to act to throw the clutch into engagement with the clutch` on the winding gear, and. to. retract the crown gear from the toothed minute wheel. As shown in Fig. 5, the lever 16 engages a notch in the lever 13 when ,the parts are in setting position, whereas, as shown in Fig. 1,A when the parts are in winding position the lever 16 is disform of mechanism above described and 'the action thereof is generally old. The engagement of the lever arm 18 with the winding stem is directly over the centerojt said stem, and as above stated this is true'also of the relation of the .end of` the lever, 13 to the winding stem, clutch and crown gear; that is, the points of engagement between ,these levers and the parts oi the stem wind- Ving formed in the dial plate 1. This dial plate is cut away throughout nearly the whole extent of the crown gear, clutch, winding gear, and the grooved portion of the stem so that these parts are substantially located on the dial side of the dial plate, being accessible from the dial side and without removing the bridge 2 or the winding gear 3. This cut away part or opening communicates with a substantially circular ref cess 22 formed in the dial plate, this recess being shallow, and of a depth `only sufficient to accommodate the thickness of the

levers

16, 13, and the width of the spring 15. This recess has a shoulder 23 about its edge, and we fit over this recess a cover plate or bridge 24 the edge of which finds a bearing on the shoulder 23 throughout the major portion of its extent. This cover plate is shown particularly in Fig, 6. 'It is of circular form in its major portion, and has a partly circular extension'25 provided with a recess or opening 26 to accommodate the toothed wheel 27 of the hour train. The portions 27 form a bridge or cover for tho minute wheel 10, as indicated. The plate lies in the same plane with the hour train, and it is held in place by a single screw 28. This cover plate, when in place, as shown in Figs. 2, 3 and 4, closely overlies the

levers

16, 13, and their spring 15, and serves to retain these parts in place, besides forming a cover for the main parts of the stem winding and stem setting elements. The

levers

16 and 13 need only be dropped onto their

pivot'pins

14 and 17, and the spring 15 need only be placed in proper engagement with the levers and then, by securing the cover plate 24 in place, these parts will be retained in their proper working positions. The cover plate 24 is provided with an opening 29 for accommodating the winding gear 4, which projects through said opening slightly, as shown in Figs. 1 and 2, this opening 29 having an extension 30 over the clutch, so that the position and action of this may be observed. It also has an observation opening at 31 through which the action of the crown gear 9 and its engage ment with the toothed wheel 10 may be observed, and it has an opening at 31 adjacent the lever 13. By removing the single screw 28 the whole cover plate may be removed and access had to the winding and stem setting mechanism from the dial side of the watch, and to replace the cover it is simply necessary to seat it against the shoulder 23 and over the recess 22, and then, by applying the screw 28, the mechanism will be inclosed, and in proper condition for operation. By having the journal 21 of the winding stem at itsy inner end bear in an opening in the dial plate, all side play of this stem winding and setting mechanism is avoided, and a uniform, accurate and easy rotation of the stem and its associated parts is secured, and the fitting can be done with ease and accuracy.

It will be seen that the

levers

16, 13, arranged as described with their engaging ends over the aXial center of the clutch and winding stem, will move these parts directly radially without imparting any side thrust, thus rendering the action easy and free.

We claim as our invention 1. In combination `with a dial plate recessed on its dial side and having a shoulder around its upper edge and a pair of pivot studs arranged in said recess, a pair of levers mounted on said studs within the recess and engaging respectively the winding stem and the clutch, a minute wheel below the surface of the dial plate, said dial plate having a recess conforming to and receiving said minute wheel and forming an extension or continuation of the main recess, a toothed wheel for the hour train arranged on the dial side ofthe minute wheel and a cover for the recess fitting the shoulder thereof and lying over the levers and studs to retain the said levers in place, said cover having an extension projecting into the extension of the main recess and overlyino the minute wheel on the dial side thereof), substantially as described.

2. In combination with a dial plate recessed on its dial side and having a shoulder around its upper edge and a pair of pivot studs arranged lin said recess, a pair of levers mounted on said studs within the recess and engaging respectively the winding stem and the clutch, a minute wheelbelow the surface of the dial plate, said dial plate having a recess conforming to and receiving said minute wheel and forming an extension or continuation of the main recess, a toothed wheel for the hour train arranged on the dial side of the minute wheel and a cover for the recess fitting the shoulder thereof and lying over the levers and studs and having a forked shaped extension overlying a part of the dial side of the minute wheel and embracing said toothed wheel, substantially as described.

In testimony whereof we ailix our signatures in presence of two witnesses.

GEO. F. EBERHARD. WILLIAM T. MALONEY.

Witnesses: CHARLES'H. MARGERUM, HOWARD M. GRorr.

Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patents,

Washington, D. C. f Y