US1226286A

US1226286A - Stem-winding and stem-setting watch.

Info

Publication number: US1226286A
Application number: US11762916A
Authority: US
Inventors: Frederick Wehinger
Original assignee: WATERBURY CLOCK CO
Current assignee: WATERBURY CLOCK CO
Priority date: 1916-08-30
Filing date: 1916-08-30
Publication date: 1917-05-15
Anticipated expiration: 1934-05-15

Description

F. WEHINGER.

STEM WINDING AND STEM SETTING WATCH.

. APPLICATION HLED AUG.30, 1916. 1,226,286. Patented May15,1917.

FREDERICK WEI-IINGER,- 0E VIATEBBURY, CONNECTICUT, ASSIGNOR TO WATERBURY CLOCK 00., OF WATEEBURY, CONNECTICUT,

A CORPORATION.

STEM-WINDING AND STEM-SETTING WATCH.

Specification of Letters Patent.

Patented May 15, 1917.

Application filed August 30, 1916. Serial No. 117,629.

To all whom it may concern.

Be it known that I, FREDERICK VVEH- INGER, a citizen of the United States, residing at Waterbury, in the county of New Haven and State of Connecticut, have invented a new and useful Improvement in Stem- Winding and Ste1nSetting l/Vatches; and I do hereby declare the following, when taken in connection with the accompanying drawings and the characters of reference marked thereon, to be a. full, clear, and exact description of the same, and which said drawings constitute part of this application, and represent, in-

Figure 1 a view in rear elevation of a watch-movement furnished with my improved mechanism positioned for winding, the barrel-bridge being removed.

Fig. 2 a view of the watch-movement in front elevation with my improved winding and setting mechanism positioned for winding, as in the preceding figure.

Fig. 3 a view corresponding to Fig. 1 but with the winding and setting mechanism shown with the stem pulled out preparatory to setting.

Fig. 4; a view corresponding to Fig. 2 but with the stem pulled out preparatory to setting.

Fig. 5 a broken view of the watch move ment in rear elevation, looking toward the inner face of the front movement-plate, the winding-and-setting stem being shown as pulled out preparatory to setting.

Fig. 6 a corresponding View of the watchmovement showing the parts in position for winding.

Fig. 7 a plan view of the movement stripped except as to its winding and setting shaft and the intermediate settingwheel.

Fig. 8 a broken view of the watch-movement in vertical section on line 88 of Fig. 7.

Fig. 9 a broken detail view in horizontal section on the line 9 9 of Fig. 8, showing the bridge.

Fig. 10 a detached reverse view of the barrel-bridge showing the intermediate Winding-gear mounted therein.

Fig. 11 a detached view of the mainspring barrel.

My invention relates to an improved Stenrwindmg and stem-setting watch of what I may term as the clutch type as distinguished from the rocking yoke type. the object being to convert a mechanism of the clutch-type from a pushin set to a pullout set, and thus secure for pull-out sets the advantages of simplicity and reliability adhering to the clutch type of mechanism.

\Vith these ends in view my invention consists in stem-winding and stem-setting watch having certain details of construction and combinations of parts as will be hereinafter described and pointed out in the claims.

In carrying out my invention as herein shown, the lower clutch-member 10 is formed with a. circumferential groove 11 receiving the inner end of a secondary setting-lever 12 pivotally mounted upon the movement pillar 13. The said lever is formed with an operating-bevel 141, and a locking-notch 15 both coacting with the inner or lower arm 16 of a primary settinglever 17 pivotally mounted upon a screw stud 18 in the front movement-plate 19, the outer or upper arm 20 of the said lever entering a circumferential groove 21 in the lower end of a longitudinally movable and rotatable winding and setting stem 22 upon the outer end of which the crown 23 is mounted. The said stem 22 is itself mounted in the watch-ease 46.

hen the crown 23 and stem 22 are pulled outward, the inner clutch-member 10 will through the medium of the

levers

12 and 17, be moved inward and disconnected from its complementary outer clutch -member 24, while when the said crown and stem are pushed inward the inner clutch-member 10 will through the said levers be moved outward and re-engaged with the outer clutchmember 241-.

\Vhen the crown 23 is pulled outward and the

clutch members

10 and 24 are disengaged as described, the setting pinion 25 is correspondinglv moved inward from the position in which it is shown in Fig. 2, into the position in which it is shown in Fig. 4, in which latter position it meshes into the intermediate setting-wheel 26 which meshes into the minute-wheel 2'? of the dial-work. The said setting-pinion 25 is mounted upon the squared upper end of a longitudinally movable and rotatable winding-and-setting shaft 28 the said squared outer end of which 'spring 29 free to nect the clutch-members 10 and enters a square opening in the inner end of the winding-and-setting stem 22 with which the said shaft is arranged in line.

The inner clutch-member 1O aforesaid is non-rotatably mounted upon the square inner end of the shaft 28 which is directly rotated by the rotation of the stem 22 and longitudinally moved inward by the longi tudinal movement outward of the said stem acting through the

levers

12 and 17. The outward movement of the shaft 28 for the restoration of the mechanism to its'normal or winding adjustment, is effected by a spring 29 engaging with its extreme inner end.

The upper clutch-men'iber 2L aforesaid, is formed upon the inner or lower face of a winding-pinion 30 which is formed with an outwardly extending sleeve 31 by means of which it is journaled in a bridge 32 located at the bottom of notches 33 in the upper edges of the movement-plates 19 and 311. The said winding-pinion 25 is constantly in mesh with an intermediate winding-pinion 35 mounted in the barrel-bridge 36. lVhen the said bridge 36 is in position the wheel 35 meshes into teeth 37 upon the' main-spring barrel 38 which turns on the main-arbor 39 carrying the main-wheel 40 of the time-train of the watch movement. The main-wheel 10 meshes into a pinion 41 mounted upon the center-arbor 42 which also carries the center-wheel as. A spring-actuated pawl d4: of ordinary construction, coacts with the teeth 37 of the barrel 38 for preventing the reverse rotation thereof.

In the normal position of my improved stem-winding and stem-setting mechanism, the winding-and-setting stem 22 is pushed inward, whereby the primary setting-lever 17 is disengaged from the lockingnotch 15 in the secondary setting-lever 12, leaving the push the winding-and-setting shaft 28 outward for the coupling of the inner and

outer clutch members

10 and 24 and for the demeshing of the settingpinion 25 from the intermediate settingpinion 26. The rotation of the crown 23 and hence of the stem 22, will now operate through the winding-pinion 30 to wind the watch.

To set .the watch, the crown 23 is pulled outward, with the effect of crowding the arm 16 of the primary setting-lever 17 down upon the bevel 1 1 of the secondary setting-lever 12 which is thus forced inward against the tension of thespring 29 for a sufficient distance to pull the shaft 28 inward enough to discon- 24 and to move the setting-pinion 25 inward into position to mesh with the intermediate settingwheel 26. After the shaft 28 has been so moved, the end of the arm 16 of the lever 17 snaps into the locking notch 15 in the lever 12 and locks the two

levers

12 and 17 in their setting positions in which they will remain, while the watch is being set, after which the coupling of the levers is broken by pushing in upon the crown which causes the arm 10 of the lever 17 to be thrown out of the locking-notch 15 in the setting lever 12.

The winding-and-setting stem carrying the crown 23, is mounted in the pcndantsl') of the watch-case t6, the said pendant being provided with the usual bow 47. The winding and setting stem 22 may thus be said to be organized with the ease, whereas the winding-and-setting shaft 28 is organized with the watch-movenrent.

Under the construction shown and described, the shaft is pulled inward and pushed outward by its inner end through the medium of the

lovers

12 and 17, whereas in the watches of the prior art corresponding shafts have been pushed inward by the thrust upon the outer ends of the watch-stems and pushed outward by springs, the positive operation of the shaft through its inner end being the characteristic feature of my invention.

I claim 1. In a pull-out setting mechanism for stem-winding and stem-setting watches, the combination with a winding-and-setting stem organized with the watch-case, of a windingand-setting shaft organized with the watchmovement and connected with the stem for rotation thereby, a primary setting-lever pivotally mounted upon the front movementplate and having its outer end connected with the said stem for positive movement thereby inboth directions, a secondary setting-lever pivotally mounted upon the said front movement-plate and connected with the said shaft for positively moving the same inward away from the said stem for converting the watch from winding to setting, the said levers coacting directly with each other in being positively locked in their setting positions, and means for moving the said shaft outward for converting the watch from setting to winding when the levers are unlocked.

2. In a pull-out setting mechanism for stem-winding and stem-setting watches, the combination with a winding-and-setting stem organized with the watch case, of a winding-and-setting shaft organized with the watch-movement and connected with the said stem for rotation thereby, a two-part clutch of which the upper member slides upon the said shaft, and the lower member is fastened thereto, a setting pinion upon the said shaft for co-action with a member of the setting-train of the watch in the inward position of the shaft, a primary setting-lever having its outer end connected with the said stem for positive movement therewith in both directions, and a secondary settinglever connected with the inner end of the said shaft for positively moving the same inward to disconnect the inner member of the said clutch from the outer member thereof and to bring the said pinion into position to function, and means for moving the said shaft outwardly to convert the watch from setting to Winding by moving the said pinion into its non-functioning position and by reengaging the said clutch members.

8. In a pull-out setting mechanism for stenrwinding and stem-setting watches, the combination with a winding-and-setting stem organized with the watch case, of a winding-and-setting shaft organized with the watch-movement, a setting pinion mounted upon the said shaft in position to co-act with a member of the setting train of the watch when the shaft is moved inward for converting the watch from winding to setting, a winding pinion through which the said shaft passes, in which the shaft is free to slide and to rotate and which is constantly in mesh with a member of the winding-train of the watch, a two-part clutch mounted upon the said shaft and co-acting with the said windingpinion, a primary setting-lever connected with the said stem for positive operation thereby when the stem is moved in either direction, a secondary setting-lever connected with the said two-part clutch for moving the said shaft inward to separate the parts of the clutch and thus convert the watch from winding to setting, and to bring the setting-pinion carried by the shaft into mesh with a member of the setting-train of the watch.

FREDERICK WEI-IINGER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.