US1533529A - Clock movement - Google Patents

Description

April' 14, 1925.--

F. \NEHINGER CLOCK MOVEMENT Filed D66. 6', 1923 2 sheets-sheet 1 Hllll April 14, 1925.

F. WEHINGER CLOCK MOVEMENT Fiie d De. e, 1925 2 Sheets-Sheet 2 Patented Apr. 14, 1925.

I UNITED STATES 1,533,529 PATENT OFFICE.

FREDERICK WEHINGER, OF WATER-BURY, CONNECTICUT, ASSIGNOR TO THE WATER- BURY CLOCK CO., OIE \VATERBURY, CONNECTICUT, A CORPORATION.

- CLOCK MOVEMENT.

Application filed December 6, 1923. Serial No. 678,837.

To all whom 2'25 may concern:

Be it known that I, FREDERICK Vnvrnvenn, a citizen of the United States, residing at \Vaterbury, in the county of New Haven and State of Connecticut, have invented anew, and useful Improvement in Clock Movements; 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-

Fig. 1 a view in front elevation of a clockmovement constructed in accordance with my invention. For clarity. of illustration and description, all of the parts are omitted except those with which the invention is directly concerned.

Fig. 2 an underside view thereof.

Fig. 3 a view thereof in vertical, central section on the line 33 of Fig.1.

Fig. & a partly disassembled view thereof in side elevation, with the lower portions of the movement-plates in vertical section, showing the bridge and supplementary winding-arbor as removed, and, in broken lines, the main winding-arbor andits gear as drawn forward out of the sleeve-like hub of the turning spring-barrel, which is shown by broken lines as partly removed.

Fig. 5 a detached view in front elevation of the sleeve-like main-spring hub.

Fig. 6 a view thereof in side elevation.

. Fig. 7 a detached view in side elevation of the removable main winding-arbor with its driving-gear.

Fig. 8 a detached view in the side eleva tion of the reducing-gear arbor with its gears. I

Fig. 9 a. detached view of the main-winding arbor driving-gear, with the D-shaped bearing-shoulder of the arbor in crosssection. i

My invention relates to an improvement in that class of clock-movements constructed to permit their main-spring units to be mounted and demounted, without disturbing the other parts of the structure, the object being to produce a simple and convenient clock-movement of this type and also to provide reducing-gears for facilitating the winding of heavy main-springs.

With these ends in view, my invention consists in a clock-movement characterized by having a running spring-barrel adapted to be mounted and tie-mounted 1n a plane parallel wlth the planes of the movementplates. by the removal from it of the main known as a running barrel from the fact that it is turned by the spring as the same unwinds and drives the movement. This running-barrel, so-called, comprises a mainwheel 10, a bushing 11 mounted therein, a barrel-casing 12, a barrel-cap 13, and a sleeve-like main-spring hub 14 furnished with a peripheral hook 15, which is engaged by the inner end of the maiirspring 16, the outer end of which is engaged with a hook 17 mounted in the casing 12. At its rear end the hub 14L is formed with a bearingshoulder 18, which fits into the said bushing 11, and with a squared tenon 19 mounting a ratchet-wheel 20, which has a correspondingly squared openin A pawl 21, coacting with the ratchet-wheel, is secured to the rear movement-plate 22 by means of which the ratchet-wheel is held in place upon the squared tenon of the hub. At its forwardend the hub 14 is formed with a bearing-shoulder 23 having bearing in a bearing-hole 24 in the barrel-cap 13 and projecting slightly forward through the same, so as to bear upon the rear face of the intermediate movement-plate 25.

The said hub let mounts a removable main winding-arbor 26, the rear end of which projects through its tenon 19 and turns in a bearing-hole 27 in the rear movementplate 22-. The forward portion of the said arbor is squared as at 28, so as to fit into a squared opening 29 in the forward end of the hub 14:, which is thus coupled with the arbor for being turned thereby in winding the spring 16. Toward its forward end the arbor 26 is provided with a bearingshoulder 30 having bearing in a bushing 31 mounted in the intermediate movementplate Forward of the said bearingshoulder 30, the arbor 26 is formed with a mounting-slum]der 82 slightly smaller in diameter than the shoulder 30 and provided for mounting the n'iain winding-tuber gear 33, which is formed with a D-shaped central-manning 34llitting over the said shoulder which is correspondingly flattened, as at 3.3. The main-arbor 26 is extended in front of the D-shaped shoulder 32, to form a stem 36 providing a pivot-bearing for the sleeve 37 of a eo-axial, supplementary windin g-arliior 38, the said sleeve 37 being formed at its rear end with a socket 39 adapting it to be set over the stem or pivot 36. The supplementary indingarbor 38 which mounts a winding-gear 4L0 and which is stunned at its projecting forward end, as at ii, for the reception of the usual winding-hey. has bearing in a bushing 42 in a bridge at?) removably secured at its ends by screws 44 entering the lower end of the front movement-plate and by screws l6 which pass tl'irough the said plate and enter the movenient-pillars 447.

The gear aforesaid meshes into a gear 418 located at the forward end of a reduciug-gear arbor 4C9 carrying at its rear end a gear meshing into the gear 33 aforesaid, mounted upon the forward end of the main winding-arbor 26. The reducinggear arbor 49, which is arranged parallel with the co-axial arbors 26 and 38, is provided at its forward end with a pivot 51 having bearing in a pivot-hole 52 in the bridge a3, and at its rear end with a pivot 53 having bearing in a pivot-hole 54; in the intermediate movement-plate 25, as shown in Fig. By this system of 1educing gears, the power required to wind the heavy main-spring 16 is greatly reduced.

ln case it desired to demount the mainspring-unit for any purpose without disturbing the movement-structure, the bridge 4? is first removed, whereby the supplementary winding-arbor 2-38 is freed, so that it may be drawn away from the pivot 36 of the main winding-arbor 26 in line therewith, as shown in Fig. 4E. It is now i ossible to draw the main windingarbor 2G forward, as shown by broken lines in F ig. 4, entirely out of the i'naii'i-spring hub let, after which the main-spring barrel may be removed from the movement as a unit in a plane parallel with the plates thereof, as shown by broken lines in Fig. 4;. To remount the main spring-barrel, the reverse order of steps followed.

I claim:

1. In a clock-movement, the combination with movement-plates thereof, of a running main-spring barrel, a sleeve-like hub therefor, a removal'ile main winding-arbor passing through the said sleeve-like hub and removable therefrom and having bearing in the said plates, and a co-axial, suppleineir tary winding-arbor, one end of which has pivotal bearing upon one end of the said main winding-arbor.

2. In a clock-nnwement, the con'ibination with movement-plates thereof, of a running spring-barrel, a sleeve-like hub therefor, a removable main winding-arbor passin through the said hub and. connected therewith for turning the same for winding the spring, a supplementary winding'arbor co-axial with the said main winding-arbor and pivotally-connected at one end with one end thereof, a rediilcing-gear arbor arranged parallel with the said supplementary winding-arbor, and reducing-gears connecting the said supplementary arbor, reducinggear arbor and main winding-arbor.

3. In a cloclemovement, the combination with movement-plates thereof, of a running spring-barre], a sleeve-like hub therefor, a main winding-arbor passing through the said hub, removable therefrom and connected therewith for the rotation thereof, a supplementary winding-arbor pivotally connected at one end with one end of the said. mam winding-arbor, a bridge removably connected with one of the movement-plates and providing a bearing for the said supplementary winding-arbor, and reducing gears connecting the said supplementary and main winding-arbors.

at. In a clock-movement, the combination with movement-plates thereof, of a running spring-barrel, a sleeve-like hub therefor, a main winding-arbor passing through the said hub, removable therefrom and connected therewith for the rotation thereof, a supplementary winding-arbor co-axial with the said main winding-arbor and pivotally mounted at one end thereupon, a bridge ren'iovably connected with one of the movement-plates and providing a bearing for the supplementary winding-arbor, a reducinggear arbor having bearing in the said bridge and in one of the said plates, and reducing-gears connecting the supplementary winding-arbor and the said reducing gear arbor with the main winding-arbor for reducing the power required to wind the spring:

In a clock-movement, the combination with movement-plates thereof, of a running spring-barrel, a sleeve-like hub therefor projecting at its respective end therefrom, a ratchet-wheel mounted upon one of the projecting ends of the said hub, the other end of which has a squared openin a removable main winding-arbor passing through the said hub and having a squared portion fitting into the squared opening thereof, whereby the rotation of the arbor rotates the hub, a gear mounted upon the said arbor adjacent to the squared portion thereof, a (Bo-axial, removable, supplementary Winding-arbor pivotally supported at one end upon the said main winding-arbor, and reducing-gears connecting the supplementary Winding-arbor with the main Winding-arbor.

In testimony whereof, I have signed this specification in the presence of two subscribing Witnesses.

FREDERICK WEHINGER. v Witnesses:

J. R. PUTNAM, H. B. Dow.

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