FIELD: physics; clocks.
SUBSTANCE: invention relates to a helical spring (10) of a clock mechanism, characterised by that it comprises coplanar plates (10a, 10b), coiled one on the other. The inner ends of each plate are rigidly attached to one strap (12). The plates (10a, 10b), frame (14) and strap (12) are integrated.
EFFECT: improved design.
26 cl, 6 dwg
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Authors
Dates
2015-05-27—Published
2010-08-16—Filed