TREA

with the aid of an interposed power-accumulator (secondary spring) which is always tensioned

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Industry

  • CPC
  • G04B1/225
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Parent Industries

GPHYSICS G04Horology G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS G04B1/00Driving mechanisms

Current Industry

G04B1/225with the aid of an interposed power-accumulator (secondary spring) which is always tensioned
Industries