US79968A - Improvement in watches - Google Patents

Description

M. N. FREDERIGK.

WATGH.

No. 79,968. Patented July 14, 1868.

lumai/f1" UNITED'` STATES PATnNT Ormes.,

MAnsiiALnN'. ilasijnniei, oFQELeiN, ILLiNoi's, AfssidNonrro masser AND enAnnns'siuosEnnY, orsAivinrLAea 'IMPROVEMENT iN'wATei-nsgf Specification forming part of Letters Patent No. 79,9Iill, datcdululylli,

letters and figures marked thereon, which form l a partot this specitication, and in which--l Fw'ure 1 re nesents a. to i or lan view of m g improved watch with the dial removed, Fig.

2, a vertical section taken at the line y in Fig. 1. Fig. 3 represents a plan view of the spurwheel which the stem-key turns and the box containing the same; Fig. 4, a sectional; the line w -in Fig. l, and Fig. 5 an invertcdview ol the vibrating bar E with the double wheel K.

The nature of my invention .consists in a novel device for winding watches and turning their hands by means ot' stem-keys, las hereinafter described. f'

The same letters of reference represent the corresponding parts in the ditierent igures.

To 'enable those skilled in the art to manufaeture'and use my invention, I will proceed to describe the same with particularity.

A represents a drive-wheel with teeth or cogs upon its edge, and also extending down from its under side, as shown at a` in Fig. 2. This wheel is held in position vby the stud or post B, the head of said stud being sunk into the wheel, while the stud extends through the plate C and box D, as indicated b'y the dotted lines in Fig. 2, and beingvmade long and receiving such along support it is held firm, and itin turn holds the .wheel A perfectly steady and even, so that it is much less liable to break.

` The box l) is firmly secured to the under side ofthe postplate C by screws, and contains the spur-wheel H. The spindle or hub of this spur-wheel is made hollow to receive thesten1 key I of the watch and have a bearing in the box D, and also on the under side of the postplatee` in such a manner that when the boxD is removed from the post-plate the spur-wheel 1I can be lifted out ot' the said box. When the spur-wheel II is in position it extends 'up through a slot in thc post-plate C and gears to the cogs on the under side of the drive-wheel A, so that when the spur-wheel His turned by the stein-.key the drive-wheel A. There is a female-"screw in the top of the stud or post B, and-also aslight projection, which extends l'up intothe vibrating Abar E, and the said vi- -brating bar vibrateson .this projection and the 4screw F, whichfpasses through the 4vibrating bar and .screws inte-the top of the stud or pest 15.2' AThe stud enpostl vis -held and 'raised and lowered, so as to tighten .er loosen the drive# wheel A, by means ofthe screw T, the e'nd of which is so shaped thatwhen it is screwedinto the stud B it draws it .down and tightens the wheel A. There are -two auxiliary wheels, J and K, arranged beneath the vibrating bar E, which turn on spindles b,extending down from the under side of said bar, and, being a part ot' it, are thereh),v made firmer and less liable to get out of repair than separate pieces attached to the bar, as spindles would be. These wheels` gear to the drive-wheel A, andthe wheel J gears to the wheel L, which is au ordinary cogwheel placed upon the iiiainspringarbor, while the wheel K,whieh is a double wheel,'as more clearly'shown in Fig.- 5, gears its under and .liner set of cogs to the wheel Q., which turns the hand-posti. 'lhe plate It is fastened to the plate U and extends out over the wheel -L and forms a bearing for one end ot' the mainspring-arbor, while at the same time it liasses `over one end et' the vibrating bar lf). -There is a spring, S, which presses against one end ot' the bar E, and serves to keep the wheel J constantly in gear with the wheel L and the wheel K thrown back, so that it is not iu gear with the wheel Q.

lowiud up the watch, one simply turns the stem-key; but the wheels are so arranged with respect to each other-that the eogs on the wheel J will slip over those on the wheel L, and perform the back click, it' the stem-key is turned in the'wrong direction, so there can be no harm done the watch whichever why the steinkey may be turned.

When it is desired to turn the hands the vibrating lever E is'thrown-into the position indicated by the dotted lines in Fig. I, which. brings the under set of cogs in the wheel Kin gear with the wheel Q, when by turning the stem-key I the hands are moved in either di `rection., as desired. When the vibrat-n lever Eis throwninto the position ot' the dotted lines v which the end of the bar passes. l This arrange.

)too hard against the wheel Q, and at thesame time enables -the operator tohold thebar ll Aperfectly firm when. the hands ofthe watch Eis in the position shown inrF-ig. 1 a shoulder the post-plate C, so that the wheel J cannot be .pressed too hard against theivhe'el L, while it serreswith the springs to keep .the bar E 'firm Vand steady whenthe. Watch is being wound.

'and operation of my-nventicn, wliat Idesire to ihrough 'the plate C and box D, thereby hold ing the drive-wheelAr'm' and steady, sub-y 4S'Fdltiifllly as described. u n v Athe-inner.endjot the said bar'strikcs against the plate C, and also a shoulder near the outer end of said bar strik'es against the'said plate at the endfof the slotn'sd plate, through ment prevents the wheel K from being pressed.

are bein gturned; also, when the vibrating bar ne'r the'outcr end of said bar strikes against H avin g thus fllyjdescrbedthe construction secureby Letters Patent isj- .l l 1.'The stud 'or -post B,fhavinga `beating 2. In combination with the stud' or post B `anddriv'elwheel A, the screw T, constructed l substantially as described.

i s. The' double wheel K, in combination with thewheels A J and the vibrating bar'E, prol vided with spindles b, arranged .to operate substantially as specified, and for' the purposes set forth.

'4. The s'purn'heel H, in combination with .the box Daud post-plate C, Vwhen arranged so that'the' bearingof the spur-wheel is partly iii Vthe boxfand partly inthe plate, substantially Mssnsnn" N. 'Fnsnsmoic Witnesses; I

EDW. E. PRATT, v'Enmuzztm HANCOCK, Jr. Y

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