US139166A - Improvement in the striking-works of clocks - Google Patents
Improvement in the striking-works of clocks Download PDFInfo
- Publication number
- US139166A US139166A US139166DA US139166A US 139166 A US139166 A US 139166A US 139166D A US139166D A US 139166DA US 139166 A US139166 A US 139166A
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- US
- United States
- Prior art keywords
- wheel
- striking
- works
- shaft
- clocks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000010276 construction Methods 0.000 description 2
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
Definitions
- Our invention consists in the liftinglever, constructed of a single bar, which is formed with a knife'edge, carries the startimgr and stopping' pins, and has its free ⁇ end lifted by a projection on the hand-arbor in connection with the dividing and other wheels, as will be hereinafter set forth.
- Figures l and 2 are side elevations of the frame of a clock having the striking-works constructed and arranged with our improvement.
- Eig. 3 is an end elevation of the same.
- Fig. 4 is an edge view of the wheel M and detent-lever T detached from the clock, but arranged in rela-tion to each other as they appear in connection with the clock.
- Fig. 5 is a side view of dividingwheel F.
- Fig. 6 is a side view of the shaft L, having the improved pinion K in position, and the detachable wire j partly withdrawn.
- a A are the sides of the standing, ⁇ frame.
- B B B B B B are rods which connect the two sides together.
- C is kthe drivin gshaft, which is pro vided with the spring D, great-wheel E, and dividing-wheel F.
- the shaft G is connected f with the wheel E by means ofits pinion H.
- the pin-wheel J on said shaft G gears into the pinion K on the shaft L.
- the wheel M on said shaft L gea-rs into the pinion N on the shaft O; and the wheel P on said shaft O, gears into the pinion Q on the ily-wheel shaft R, thus completing ⁇ the gearing on the train of shafts, whereby power is communicated from the spring D to the ily-wheel S on the shaft R, and the requisite accelerated speed in the flywheel is produced.
- T is a deteut-I vating its inner end e whenever thc lnnutehand has completed its circuit.
- the knifeedge f of the lever is allowed to rest on the periphery ofthe dividing-wheel F, and to e11- gage successfully with the notches g. thus to free or hold the striking-train to cause it to strike the proper number at each hour.
- This is eifected by means of two pins, lt It', which project from the inner side of the defeat-lever T, so arranged as to connect with the pin i on the contiguous side of the wheel M to lock or to free said wheel at the proper time bythe operation of the minute-hand shaft U above described.
- the arrangement of the pins h /L ande' is clearly shown in Fig. et.
- the pin t' engages with the pin h when the detent is down in its lowest position, but with the pin lt', when the detent-lever is raised b v the minute-hand shaft.
- the pin is held in its connected position in the heads k It of pinion by means of the wire spring' W connected with the shaft L.
- the construction of the pinion is clearlyl shown in Fig. 6, in which the rundle j is partly withdrawn to show the manner of breaking ⁇ the connection between the wheel and pinion.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Knives (AREA)
Description
C. H. LEEDS 8|. G. N. THURPE.
Striking Works of Clocks.
N0. 139,166. Patented May20,l873.
n Pa o UNITED STATES PATENT FFICE.
GIDEON H. LEEDS, OF WEST CHESTER, AND CHARLES N. THORPE, OF PHILA- DELPHIA, PENNSYLVANIA;
IMPROSVEMENT IN THE STRIKING-WORKS OF CLOCKS.
Specification forming part of Letters Patent No.139,166, dated May Q0, 1873; application led February 5 1873. v
To all whom t may concern:
Be it known that we, GIDEoN HOWARD LEEDS, of West Chester, in the county of Chester and State of Pennsylvania, and CHARLES N. THORPE, ot' the city of Philadelphia and State of Pennsylvania, have invented certain Improvements in the Striking'- Works of Clocks, of which the following' is a specification:
Our invention consists in the liftinglever, constructed of a single bar, which is formed with a knife'edge, carries the startimgr and stopping' pins, and has its free `end lifted by a projection on the hand-arbor in connection with the dividing and other wheels, as will be hereinafter set forth.
To enable others to make and use our improvement in clocks, we will now givea full description thereof'.
ln the accompanying drawing, which makes a part of this specitiation, Figures l and 2 are side elevations of the frame of a clock having the striking-works constructed and arranged with our improvement. Eig. 3 is an end elevation of the same. Fig. 4 is an edge view of the wheel M and detent-lever T detached from the clock, but arranged in rela-tion to each other as they appear in connection with the clock. Fig. 5 is a side view of dividingwheel F. Fig. 6 is a side view of the shaft L, having the improved pinion K in position, and the detachable wire j partly withdrawn.
Like letters in all the iigures indicate the same parts.
A A are the sides of the standing,` frame. B B B B B are rods which connect the two sides together. C is kthe drivin gshaft, which is pro vided with the spring D, great-wheel E, and dividing-wheel F. The shaft G is connected f with the wheel E by means ofits pinion H.
The pin-wheel J on said shaft G gears into the pinion K on the shaft L. The wheel M on said shaft L gea-rs into the pinion N on the shaft O; and the wheel P on said shaft O, gears into the pinion Q on the ily-wheel shaft R, thus completing` the gearing on the train of shafts, whereby power is communicated from the spring D to the ily-wheel S on the shaft R, and the requisite accelerated speed in the flywheel is produced. T is a deteut-I vating its inner end e whenever thc lnnutehand has completed its circuit. The knifeedge f of the lever is allowed to rest on the periphery ofthe dividing-wheel F, and to e11- gage successfully with the notches g. thus to free or hold the striking-train to cause it to strike the proper number at each hour. This is eifected by means of two pins, lt It', which project from the inner side of the defeat-lever T, so arranged as to connect with the pin i on the contiguous side of the wheel M to lock or to free said wheel at the proper time bythe operation of the minute-hand shaft U above described. The arrangement of the pins h /L ande' is clearly shown in Fig. et. The pin t' engages with the pin h when the detent is down in its lowest position, but with the pin lt', when the detent-lever is raised b v the minute-hand shaft. We make one of the wires or rundlesj of the pinion K on the shaft L detachable for the purpose of disengaging the pinwheel J to admit ofthe adj ustn'ient of the piuwheel J without taking the works apart. The pin is held in its connected position in the heads k It of pinion by means of the wire spring' W connected with the shaft L. The construction of the pinion is clearlyl shown in Fig. 6, in which the rundle j is partly withdrawn to show the manner of breaking` the connection between the wheel and pinion. For an accurate adjustment ofthe dividing wheel E with the great-wheel E, we connect their plates together by means of a screw, X, which passes through the slot l, which is seen in Fig. .5.
l/Veare aware that it is not new to employ a three-armed lever, one arm of which carries the pins, another arm engages with the dividingwheel, and the other arm is operated to lift the other two arms.
Ve therefore claim, as an improvement thereonl. The liftingdever T, consisting of a single bar, carrying;` the pins 7L h', and formed with In testimony that the above is our inven-v the knife-edge f between the pivot and free tion Wehave hereunto set Onrhands and seais.
end Of Iche lever, and having said free end GIDEOBT HOWARD LEEDS. [L.S.1 raised by the projection (l on Iche hand-arbor CHARLES N. THORPE. [L. S.] U, when arranged with the dividing-Wheel F Vitnesses to G. H. LEEDS: and wheel M, with its piu z', as herein set THOS. B. BROWN, forth. WM. WHITEIIEAD.
2. The combination of the dividingmfheei F Witnesses to C. N. TI-IORPE: with the great-Wheel E by means ofthe screwv THOMAS J. BEWLEY7 X and slot I, as and for the purpose above set J. LEWIS VAN TINE.
forth.
Publications (1)
Publication Number | Publication Date |
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US139166A true US139166A (en) | 1873-05-20 |
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US139166D Expired - Lifetime US139166A (en) | Improvement in the striking-works of clocks |
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