Watch
AssigneeSeiko Epson Corporation
InventorEiichi Hiraya
Life of this patent
Estimating the term…
Abstract
A watch includes a power reserve hand configured to be visually recognizable from a watch rear side, an oscillating weight including a weight, a transmission wheel configured to rotate a ratchet wheel, a pawl lever configured to engage with the transmission wheel, an eccentric wheel including an eccentric shaft member to which the pawl lever is attached and an eccentric toothed gear, a train wheel bridge provided between the pawl lever and the oscillating weight, and a seconds wheel and pinion including a seconds hand shaft. The eccentric shaft member and the seconds hand shaft are supported by the train wheel bridge. The power reserve hand is disposed in a position that does not overlap the weight in plan view, and is disposed in a position that overlaps the train wheel bridge in side view orthogonal to the seconds hand shaft.
Claims7
A watch comprising:
- a barrel complete including a barrel arbor and a mainspring;
- a ratchet wheel configured to rotate integrally with the barrel arbor, and wind up the mainspring;
- a power reserve hand configured to be visually recognizable from a watch rear side, and indicate a remaining amount of the mainspring wound up;
- an oscillating weight including a weight and a weight body configured to support the weight;
- a transmission wheel configured to rotate the ratchet wheel;
- a pawl lever configured to engage with the transmission wheel;
- an eccentric wheel that includes an eccentric shaft member to which the pawl lever is attached and an eccentric toothed gear configured to rotate in conjunction with the oscillating weight, and is configured to cause the pawl lever to advance and retreat in directions toward and away from the transmission wheel;
- a train wheel bridge provided between the pawl lever and the oscillating weight, and configured to support the transmission wheel;
- and
- a seconds wheel and pinion including a seconds hand shaft to which a seconds hand is attached, wherein
- the eccentric shaft member and the seconds hand shaft are disposed in positions that do not overlap each other in plan view as viewed from a direction along the seconds hand shaft, and are supported by the train wheel bridge, and
- the power reserve hand is disposed in a position that does not overlap the weight in the plan view, and is disposed in a position that overlaps the train wheel bridge in side view orthogonal to the seconds hand shaft.
Dependencies are inferred from the claim text.