|Publication number||US852290 A|
|Publication date||Apr 30, 1907|
|Filing date||Feb 16, 1907|
|Priority date||Feb 16, 1907|
|Publication number||US 852290 A, US 852290A, US-A-852290, US852290 A, US852290A|
|Inventors||George V Neal|
|Original Assignee||George V Neal|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (13), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
No. 852,290. PATENTED APR. 30, 1907. G. v, NEAL.
WATGHMAKERS TOOL. APPLICATION FILED 32.16. 190
I mlllll 3 E hwy/M UNITED STATES PATENT orricn.
Specification of Letters Patent.
Batented April 30, 1907.
Application filed February 16 ,190'7. Serial No. 357,759.
To all whom it may concern:
Be it known that I, GEORGE V. NEAL, a citizen of the United States, residing at Thomaston, in the county of Litchfield and State of Connecticut, have invented new and useful Improvements in W'atchmakers Tools, of which the following is a specilication.
My invention pertains to watchmakers tools, andhas for one of its objects to provide a tool constructed with a view of being screwed on the stem of a watch case in place of the crown to determine the length of throw required and thereby facilitate the casing of watches of different makes.
Another object of the invention is to provide a tool adapted to serve the purpose stated, and also adapted when reversed to be used as a sleeve driver.
The invention will be fully understood from the following description and claims when the same are read in connection with the accompanying drawings, forming part of this specification, in which:
Figure 1 is an elevation of the tool constituting the preferred embodiment of my invention; the said tool being shown about two times as large as it is made in practice, and as properly arranged relative to the sleeve and stem of a watch case and as connected to the stem. Fig. 2 is a longitudinalcentral section of the tool. Fig. 3 is an elevation of the body of the tool as the same appears previous to the fixing of the head thereon. Fig. 4 is a horizontal section taken in the plane indicated by the line l4 of Fig. 1, looking downward. Fig. 5 is a view of the sleeve-driving member of the tool as the same appears when removed from the body. Fig. 6 is an enlarged elevation of a modified tool constructed in accordance with my invention. Fig. 7 is a longitudinal central section of the same.
Referring by letter to the said drawings, and more particularly to Figs. 1 to 5 thereof: A is the stem of a watch case, threaded at a in the usual manner. B is the sleeve commonly mounted in a loose manner on the stem and having the regular threaded and kerfed enlargement b at its upper end, andC is my novel tool, as a whole. In the present and preferred embodiment of my invention, the tool C comprises a body and handle D, a sleeve E and a removable sleeve-driving member F, the latter being best shown in Fig. 5. The
body D of the tool is provided at its lower end with a chuck c the jaws d of which are resilient and are interiorly threaded, as indieated by e, and are provided with upwardly and inwardly inclined or tapered upper portions f, for a purpose which will be pres ently set forth. Said body D is also provided at an intermediate point of its length with an exterior thread g, and it is further provided with a bore "h which extends throughout its length, and a head i suitably fixed upon its upper end and having a milled or roughened perimeter j and also having radial grooves or kerfs lt' in its upper side. As best shown in Figs. 1 and 2, the sleeve E surrounds the body D between the upper portions f of the chuck jaws and the head i, and said sleeve is provided with the upwardly and inwardly inclined lower end m, and is further provided with an interior thread 'n and the exterior milled or roughened portion p; the thread a being engaged with the exterior thread 9 of the body 1.), and the milled or roughened portion p being provided in order that the sleeve E may be turned with facility. The sleeve-driving member F is provided at one end with two (more or less) bits 1', and it is further provided with a reduced shank s and diametrically opposite lugs t; the shank 8 being designed to be removably sockcted in the bore lb of the body D, and the lugs if being adapted to be removably arranged in the kerfs L- of the head 'i on body D. Thus it will be apparent that the sleeve-driving member Fmay be used interchangeably with sleeve-driving members other than the one illustrated.
To properly case watch movements of different makes, the stem A and sleeve B have to be adjusted to the proper throw, this because the mamilacturers of cases do not leave the stem and sleeve in correct position for all makes of movements. The old mode of eilecting the adjustment stated is to unscrew the crown, turn in the sleeve to what is thought to be the correct position, screw the crown back to position, and then try the movement. \Vith this done, if the sleeve and stem are not correctly positioned, the movement must be taken out of the case, and after hold is taken of the angular portion of the stem with a pair of pliers or the like,
the crown must be again unscrewed. The I sleeve must then be adjustedin or out, and
the movement and crown replaced, and tried, and this operation must be repeated until the stem and sleeve are in the correct position. By virtue of my novel tool C having the aws (Z interiorly threaded at e, the tool may be screwed on and fixed to the threaded portion a of the stem A to serve the same purpose as the crown, and if not in proper position, the sleeve E of the tool can be turned upward to disconnect the threaded portions of the jaws (Z from the threaded portion a of the stem A and permit of the tool being removed without the necessity of again removing the movement from the case. In other words, after the tool fastened on the stem A is adjusted to the movement, the jaws of the tool may be opened and the tool may be removed to give place to the crown which is screwed on to complete the operation.
As will be observed by reference to Fig. 1,
the lugs 25 of the sleeve-driving member F are seated in the kerfs k of the tool body D and hence serve to prevent turning of the sleevedriver in said body D, while the shank s of the sleeve-driving member is clamped by the jaws of the chuck c with the result that there is no liability of the sleevedriving member falling out of the body D. \Vhen desired, however, the sleeve-driving member F may be readily removed from the body D to give place to another and different sleeve-driving member and in this connection I desire to state that I contemplatein practice providing a plurality of different sleeve-driving members designed to be used interchangeably in the body D.
The modified tool C shown in Figs. 6 and 7, comprises a body D and a sleeve E. As best shown in Fig. 7, the upper end of the body D is shaped to form a sleeve-driver F, and said body, which is tubular, is provided at its lower end with a chuck c, the jaws d of which are resilient and are interiorly threaded, as indicated by e, and are exteriorly ta pered as indicated, by f. Said body D is also provided with an exterior thread g and a ribbed or roughened head i; the latter being preferably a cylindrical block of hardwood, suitably fixed on the body. The sleeve E is milled or roughened at its outer side, as indicated by p to facilitate turning thereof, and is interiorly threaded, as indicated by n to engage the exterior thread 9 of the body D, and is provided at its lower end with an interior taper m, designed when the sleeve E is turned upward to move the jaws of the chuck inward, and when the said sleeve is turned downward to permit the said jaws to spring outward.
The embodiment of my invention shown in Figs. 6 and 7 is designed to be used in the same manner and for the same purpose as the embodiment illustrated in Figs 1 to 5. Inasmuch as the pitch of thread on all standard crown stems is the same, it will be apparent that the jaws in both embodiments of my invention can be adjusted'i. 6., opened or closed, to accommodate the jaws to stems of different diameters such as are to be found in different sizes of watch cases.
I have specifically described the present embodiments of my invention with a view of imparting a definite understanding of said embodiments. I do not desire, however, to be understood as confining myself to the specific construction and relative arrangement of parts shown and described as it is obvious that various changes may be made in practice without involving departure from the scope of my invention as defined in the appended claims.
Having described my invention, what I claim and desire to secure by Letters-Patent, 1s:
1. A watchmakers tool for the pur ose described comprising an exteriorly t eaded tubular body and handle split to form resilient jaws possessed of a tendency to spring outward and having the said aws interiorly threaded and exteriorly tapered, a sleevedriving member carried by and arranged to turn with the tubular body and handle and extending from the opposite end thereof, with reference to the said jaws, and a jawadjusting sleeve arranged on and carried by the tubular body and handle and having an interior thread engaging the thread of the body and also having an interior taper arranged to cooperate with the exterior tapers of the aws to force said aws inward.
2. A watchmakers tool for the purpose described, comprising a tubular body split to form resilient aws and having the jaws exteriorly tapered, a sleeve adjustable on the tubular body and having a taper arranged to cooperate with that of the jaws, and a sleevedriving member having a shank removably arranged in the tubular body and held against casual displacement by the binding of the portions of the tubular body thereagainst.
3. A watohmakers tool for the purpose described, comprising an exteriorly threaded tubular body split to form resilient jaws and having the jaws exteriorly tapered, an interiorly threaded sleeve engaging the exterior thread of and adjustable on the tubular body and having a taper arranged to cooperate with that of the jaws, and a sleeve-driving member having a shank removably arranged in the tubular body and held against casual displacement by the binding of the portions of the tubular body thereagainst.
4. A watchmakers tool for the purpose described, comprising a tubular body split to form resilient jaws and having the jaws exteriorly tapered; said body being provided with a kerf in its upper end, a sleeve adjustable on the tubular body and having a taper arranged to cooperate with that of the jaws,
and a s1eeve-driving member having a shank my hand in presence of two subscribing Witi'lerlniovably arrangleccl1 in 1the tubulir bgcbl arlld nesses.
e against oasua is acement t e in ing of the portions of he tubular b bdy there- GEORGE NEAL against and also having a lug toseat in the Witnesses: kerf in the upper end of the body. EMIL R. KAISER,
In testimony whereof I have. hereunto set JOSEPH N. FORLEY.
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