FIELD: physics, clocks.
SUBSTANCE: watch cylinder (1) with the drum (2) concentric to the drum axis (3) in the direction (D), designed to accommodate the drum spring (4), which engages with said drum (2) and a bush (5) concentric to said axis (3) of the cylinder and directed along this axis. The above-mentioned bush (5) is rotated in an opening (21) of said drum (2) and includes the first abutment surface (51) of the bush limiting the axial movement of said bush (5) in said direction (D) relative to the inner surface (22) of said drum (2) and the second abutment surface (52) of the bush, located opposite the first abutment surface (51) of the bush and limiting axial movement of the said bush (5) relative to the outer surface (23) of said drum (2) which is located, on the one hand, between said first abutment surface (51) and said second abutment surface (52) and, on the other hand, can freely rotate around said bush (5).
EFFECT: invention provides economical operation of the clock mechanism.
19 cl, 6 dwg
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