US568475A - William john cruyt - Google Patents
William john cruyt Download PDFInfo
- Publication number
- US568475A US568475A US568475DA US568475A US 568475 A US568475 A US 568475A US 568475D A US568475D A US 568475DA US 568475 A US568475 A US 568475A
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- clock
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- cruyt
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- 230000001105 regulatory Effects 0.000 description 16
- 210000003414 Extremities Anatomy 0.000 description 8
- 230000002093 peripheral Effects 0.000 description 4
- 230000001360 synchronised Effects 0.000 description 2
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- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C11/00—Synchronisation of independently-driven clocks
Definitions
- the object of my said invention is .to provide improvedmeans whereby a clock or set of clocks may be synchronized by a standard or master clock, which at a predetermined hour makes an electric circuit and so gives rise to a current for a very short time.
- the clock to be regulated stops itself by electrical or mechanical means as soon as it reaches the predetermined hour, and is restarted by a current of very short duration, which is caused to flow by the master-clock when it reaches the predetermined hour.
- the wires from the master-clock are only used for a very short period of time.
- the secondary clock is, as is customary, regulated so as to gain a few seconds per day on the master-clock.
- the accompanying drawing is a side elevation of my synchronizing device adapted for use when the line is at disposal only during the time the regulation is being effected.
- the regulating apparatus comprises a clockwork moving very rapidly at the time of disengagement, which may be determined at any given moment by the secondary clock.
- the principal shaft f of the wheelwork carries exteriorly a vertical disk D, having a lateral pin 25 on a face thereof, and a peripheral cam E, which move with it during regulation.
- the cam is located above in the vertical plane, passing through the center of the disk, and upon this cam bears a stud or projection g, located on a horizontal lever Q, pivoted at one of its extremities O.
- the drawing shows the parts in their nor mal position or at rest. It will be seen that the secondary clock is not influenced even if the current passes through the line for other services and attracts the armature, because it lowers the hook V, which cannot rise above the position which is assigned to it by the tooth r, bearing upon the pin 3 on descend ing again. The regulation will thus be easily understood. Supposing that the secondary clock is ten seconds in advance. Arriving at about this time before twelve it disengages the clockwork, which moves at an acceler' ated velocity. The cam F, turning with its disk in the direction of the arrow, leaves the stud g, which falls with the whole system upon the periphery of the disk, thus raising the hookVand stopping the secondary clock.
- a synchronizer comprising a shaft, a disk mounted upon the shaft having a lateral pin on a face thereof, and a peripheral cam, a horizontal level-having a stud adapted to bear upon the cam, and a lateral pin, the rocking lever having an articulated hook and an armature, a lever suspended from the rocking lever and having superposed teeth adapted to engage the lateral pin on the horizontal lever, and a tailpiece with which engages the lateral pin on the disk, and an electromagnet snrmonnting the armature; substantially as described.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Description
.w. J. ORUYT. SYNUHRONIZING DEVICE FOR ELECTRIC CLOCKS.
(No Model.)
No. 568,476. PatentedSept. 29,1896.
UNITED STATES PATENT OFFICE.
WILLIAM JOHN CRUYT, OF BRUSSELS, BELGIUM, ASSIGNOR TO THE SOOIETE LA PRECISION, OF SAME PLACE.
SYNCHRONIZING DEVICE FOR ELECTRIC CLOCKS SPECIFICATION forming part of Letters Patent No. 568,475, dated September 29, 1896.
Application filed January '7, 1895. Serial lie. 534,125- (No model.) Patented in England March 17,1894:,Nm 5,655.
To all whom it may concern.-
Be it known that 1, WILLIAM JOHN CRUYT, director of the Socit 1a Precision, electrical-clock manufacturer, a subject of the King of Belgium, and a resident of Brussels, in the Kingdom of Belgium, have invented a new and useful Improvement in Synchronizing Devices for Clocks, (for which I have obtained a patent'in Great Britain, No. 5,655, hearing date March 17, 1894, and accepted April 17, 1895,) of which the following is a specification.
The object of my said invention is .to provide improvedmeans whereby a clock or set of clocks may be synchronized by a standard or master clock, which at a predetermined hour makes an electric circuit and so gives rise to a current for a very short time.
The arrangements hitherto devised have operated somewhat in the manner following, that is to say: At a suitable interval of time before a predetermined hour the standard or master clock closes a connection, and when the clock to be regulated reaches the hour it also makes a connection so thata circuit is formed in which an electric current flows nection made by the clock to be regulated.
This current stops the clock which is to be regulated. WVhen the master-clock reaches the hour, it breaks the connection which it before established, and thus restarts the clock to be regulated. It will be seen from this description that the wires leading from the master-clock to the clock to be regulated must be in use for some time in order to accomplish the regulation.
According to my invention I so provide that the clock to be regulated, hereinafter called the secondary clock, stops itself by electrical or mechanical means as soon as it reaches the predetermined hour, and is restarted by a current of very short duration, which is caused to flow by the master-clock when it reaches the predetermined hour. By this means the wires from the master-clock are only used for a very short period of time. The secondary clock is, as is customary, regulated so as to gain a few seconds per day on the master-clock.
The accompanying drawing is a side elevation of my synchronizing device adapted for use when the line is at disposal only during the time the regulation is being effected.
The regulating apparatus comprises a clockwork moving very rapidly at the time of disengagement, which may be determined at any given moment by the secondary clock. The principal shaft f of the wheelwork carries exteriorly a vertical disk D, having a lateral pin 25 on a face thereof, and a peripheral cam E, which move with it during regulation. Normally, that is to say, at rest, the cam is located above in the vertical plane, passing through the center of the disk, and upon this cam bears a stud or projection g, located on a horizontal lever Q, pivoted at one of its extremities O. Laterally from the lever Q projects a pin 8, upon which will bear one or the other of the teeth r r of a lever N, suspended at 0 from a rocking lever M and always tending to move toward the pin under the pulling action of a spring m. The rocking lever M, located at a definite height above the lever Q, terminates at one extremity in an articulated hook V, which normally allows the pendulum R to pass, and at the other extremity it carries the armature S of the electromagnet E, included in the circuit.
The drawing shows the parts in their nor mal position or at rest. It will be seen that the secondary clock is not influenced even if the current passes through the line for other services and attracts the armature, because it lowers the hook V, which cannot rise above the position which is assigned to it by the tooth r, bearing upon the pin 3 on descend ing again. The regulation will thus be easily understood. Supposing that the secondary clock is ten seconds in advance. Arriving at about this time before twelve it disengages the clockwork, which moves at an acceler' ated velocity. The cam F, turning with its disk in the direction of the arrow, leaves the stud g, which falls with the whole system upon the periphery of the disk, thus raising the hookVand stopping the secondary clock. On the arrival of the regulator at twelve the current is sent from any central point through the line of the electromaguet E, which attracts the armature S, lowering the hook V and liberating the pendulum R. At the moment when the armature S is attracted the tooth r of the lever N, having been raised independently of the lever Q, will bear under the action of the spring on upon the pin 8, thus keeping the hook V lowered without the ulterior intervention of the electromagnet, so that the line can thus again be utilized for other services. In the meanwhile the cam l has arrived before the other side of the stud g, which it will raise to its normal position with its lever Q. Now this movement would be impossible if the pin 5 remained in the tooth r, from which it must therefore be disengaged at the same moment. This disengagement is effected by the lateral pin '6 of the disk, which has arrived at the same moment before the tailpiece of the lever N, which it pushes back, passing below its extremity in order to move to the other side, while the tooth r redescends upon the pin 3, placing the whole again in the normal position upon the cam F at the moment when the disk ceases to move with the clockwork, which actnates it and causes itto recommence exactly the same operations in each fresh regulation.
Having thus described my invention, the following is what I claim as new therein and desire to secure by Letters Patent:
A synchronizer comprising a shaft, a disk mounted upon the shaft having a lateral pin on a face thereof, and a peripheral cam, a horizontal level-having a stud adapted to bear upon the cam, and a lateral pin, the rocking lever having an articulated hook and an armature, a lever suspended from the rocking lever and having superposed teeth adapted to engage the lateral pin on the horizontal lever, and a tailpiece with which engages the lateral pin on the disk, and an electromagnet snrmonnting the armature; substantially as described.
WILLIAH JOHN CRUYT.
lVitnesses:
AUG. J onnrssnx, GREGORY PHELAN.
Publications (1)
Publication Number | Publication Date |
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US568475A true US568475A (en) | 1896-09-29 |
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US568475D Expired - Lifetime US568475A (en) | William john cruyt |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000052647A1 (en) * | 1999-03-02 | 2000-09-08 | University Of Adelaide | Method for image texture analysis |
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0
- US US568475D patent/US568475A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000052647A1 (en) * | 1999-03-02 | 2000-09-08 | University Of Adelaide | Method for image texture analysis |
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