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
  • G04B17/00—Mechanisms for stabilising frequency
  • G04B17/04—Oscillators acting by spring tension
  • G04B17/06—Oscillators with hairsprings, e.g. balance
  • G04B17/066—Manufacture of the spiral spring
• • 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
  • G04B11/00—Click devices; Stop clicks; Clutches
  • G04B11/02—Devices allowing the motion of a rotatable part in only one direction
  • G04B11/04—Pawl constructions therefor, e.g. pawl secured to an oscillating member actuating a ratchet
• • 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)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Electromagnetism (AREA)
• Power Engineering (AREA)
• Manufacturing & Machinery (AREA)
• Transmission Devices (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6605359

Family Applications (2)

Family Applications After (1)

Country Status (3)

• 1969
  • 1969-09-25 DE DE19696938288 patent/DE6938288U/de not_active Expired
• 1970
  • 1970-09-21 CH CH1394270D patent/CH1394270A4/xx unknown
  • 1970-09-21 CH CH1394270A patent/CH523532A/de unknown
  • 1970-09-29 FR FR7035120A patent/FR2064077B3/fr not_active Expired

Also Published As

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