GB410732A - Improvements in or relating to electric clocks - Google Patents

Improvements in or relating to electric clocks

Info

Publication number
GB410732A
GB410732A GB2318732A GB2318732A GB410732A GB 410732 A GB410732 A GB 410732A GB 2318732 A GB2318732 A GB 2318732A GB 2318732 A GB2318732 A GB 2318732A GB 410732 A GB410732 A GB 410732A
Authority
GB
United Kingdom
Prior art keywords
balance
disc
fork
pendulum
coil
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
Application number
GB2318732A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB2318732A priority Critical patent/GB410732A/en
Publication of GB410732A publication Critical patent/GB410732A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/02—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum
    • G04C3/027—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum using electromagnetic coupling between electric power source and pendulum
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
    • G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
    • G04C3/061—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance the balance controlling contacts and mechanically driving the gear-train

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

410,732. Electric clocks. FERY, C. J. V., 28, Rue de l'Arbalete, Paris. Aug. 18, 1932, No. 23187. Void [Abridged as open to inspection under Sect. 91 of the Acts, Sept. 30, 1932]. [Class 139.] In a timepiece in which the balance or pendulum is maintained electrically and drives the movement, the contact maker of the impulse circuit comprises a disc mounted eccentrically on the balance or pendulum axis and situated between the forked arms of a lever through which it transmits the drive to the escape wheel. As applied to a watch, the disc 2, Fig. 1, mounted on the balance staff 1, comprises conducting and insulated portions 2<a>, 2b respectively, and the balance comprises astatic magnets 7, 7, Fig. 2, adapted to swing about flat coils 8<a>, 8<b>, but a single flattened coil wound about the lower magnet may be used instead. The coil circuit is closed during clockwise movement of the balance by the portion 2<a> engaging and rocking the form arm 3<a> until the sliding contact is broken by the portion 2b engaging the fork arm. During anticlockwise movement of the disc 2 the circuit is broken, the fork remaining in its terminal position until the arm 3<b> is engaged by the portion 2b and rocked to the other terminal position. The pallets 5<a>, 5b of the fork drive the escape wheel in the usual manner but the anchor escapement shown may be replaced by any other suitable type. In a modified construction the disc 2 is made wholly of insulating material and a conducting strip is secured to a portion of its periphery corresponding to 2<a>, and electrically connected to the balance spindle. As applied to a pendulum clock the disc 15 having conducting and insulated portions 15a, 15b respectively, is mounted on the pendulum 10 which is maintained in oscillation by the interaction between a permanent magnet 12 thereon and a fixed coil 11, or by any other suitable combination of coil and magnet. The fork has diverging arms 16<a>, 16b ending in pins 18<a>, 18b and current is led thereto through a spring 19, the movements of the fork axis 17 advancing the train through an escape wheel.
GB2318732A 1932-08-18 1932-08-18 Improvements in or relating to electric clocks Expired GB410732A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2318732A GB410732A (en) 1932-08-18 1932-08-18 Improvements in or relating to electric clocks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2318732A GB410732A (en) 1932-08-18 1932-08-18 Improvements in or relating to electric clocks

Publications (1)

Publication Number Publication Date
GB410732A true GB410732A (en) 1934-05-24

Family

ID=10191550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2318732A Expired GB410732A (en) 1932-08-18 1932-08-18 Improvements in or relating to electric clocks

Country Status (1)

Country Link
GB (1) GB410732A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685655A (en) * 1949-12-22 1954-08-03 Lip Horlogerie Oscillatory motor
US2995887A (en) * 1956-12-31 1961-08-15 Hamilton Watch Co Electric wrist watch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685655A (en) * 1949-12-22 1954-08-03 Lip Horlogerie Oscillatory motor
US2995887A (en) * 1956-12-31 1961-08-15 Hamilton Watch Co Electric wrist watch

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