摘要:
A method for producing a timepiece spring includes a step for producing, by casting, a metallic glass raw material constituted of a metallic glass; a step for heating the metallic glass raw material to achieve a superplastic state; and a step for rolling the metallic glass raw material in a superplastic state to produce a sheet material. A timepiece spring is characterized by being obtained by the method for producing a timepiece spring.
摘要:
A governor that is small, does not produce wear particles or noise, is low cost, is not affected by differences in attitude, is not affected by magnetism, and has outstanding durability has a rotor 200 that rotates using energy supplied from an energy storage means through a power transfer means, a wing 210 having wing surfaces perpendicular to the rotational axis of the rotor 200, and disposed movably to an outside circumference side radially to the rotor by means of centrifugal force produced by rotor rotation, a zigzag spring 220 disposed between the rotor and wing for pulling the wing to the inside circumference side radially to the rotor, and an opposing member 230 disposed to the outside circumference of the rotor and having an opposing surface located opposite and separated a predetermined gap from the wing surface when the wing moves to the outside circumference side radially to the rotor.
摘要:
A method for producing a timepiece spring includes a step for producing, by casting, a metallic glass raw material constituted of a metallic glass; a step for heating the metallic glass raw material to achieve a superplastic state; and a step for rolling the metallic glass raw material in a superplastic state to produce a sheet material. A timepiece spring is characterized by being obtained by the method for producing a timepiece spring.
摘要:
A timepiece having a movement, a substantially cylindrical case that houses the movement, a bezel that holds the outside edge part of a crystal and is fastened to the case, and a back cover that is fastened to the opposite side of the case as the side to which the bezel is disposed. The case has a plurality of movement fastening units for fastening the movement by means of screws, a plurality of bezel fastening units for fastening the bezel by means of screws, and a plurality of back cover fastening units for fastening the back cover by means of screws. The screws disposed to the movement fastening units, the bezel fastening units, and the back cover fastening units are substantially aligned with the axial direction of the case. The movement fastening units, the bezel fastening units, and the back cover fastening units are respectively disposed at different positions in the circumferential direction of the case, and are disposed to a fastener reference position substantially similar in shape to the shape of the outside of the movement facing the case.
摘要:
The invention seeks to provide a liquid discharger which can be made more durable and smaller and which can be easily assembled; a liquid discharger which makes it possible to reduce errors occurring in the discharge rate; a liquid discharger which makes it possible to increase work efficiency; and an apparatus which comprises any one of the liquid dischargers. A liquid discharger 1A comprises a base 2A where a resilient tube 100 is disposed in a tube guide groove 211A. A retainer 4A is rotatably provided at the base 2A, with a plurality of balls 5 being mounted at the retainer 4A so that they can roll. The cross sectional shape of a surface 211 defining the tube guide groove 211A that contacts the tube 100 is an arc shape formed concentrically with the balls 5. The balls 5 which are held by the retainer 4A roll on the tube 100 while pressing and squashing a portion of the tube 100 as a rotor 3A rotates in order to discharge liquid inside the tube 100.
摘要:
A timepiece having a movement having a hammer and a hammer drive device that drives the hammer, a case that houses the movement, a sound source that produces sound by vibrating when struck by the hammer, and a striking force transmission member that can move bidirectionally between the hammer and the sound source, and transmits the striking force of the hammer to the sound source.
摘要:
A timepiece has a timekeeping mechanism for keeping and displaying the time, a hammer, a bowl-shaped sound source that sounds when struck by the hammer, a sound source mounting member for fastening the bowl-shaped sound source to the timekeeping mechanism, and a striking control means for causing the hammer to operate. The bowl-shaped sound source has a bottom part and a side wall part. The hammer, the striking control means, and at least a part of the timekeeping mechanism are disposed in an internal space between the bottom part and the side wall part of the bowl-shaped sound source. The sound source mounting member is attached to the center of the bottom part of the bowl-shaped sound source, and fastens the bowl-shaped sound source to the timekeeping mechanism so that the bowl-shaped sound source can move a prescribed distance within a range not contacting the case of the timepiece or the timekeeping mechanism.