US20240389721A1 - Connection member, band and timepiece - Google Patents

Connection member, band and timepiece Download PDF

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Publication number
US20240389721A1
US20240389721A1 US18/664,891 US202418664891A US2024389721A1 US 20240389721 A1 US20240389721 A1 US 20240389721A1 US 202418664891 A US202418664891 A US 202418664891A US 2024389721 A1 US2024389721 A1 US 2024389721A1
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United States
Prior art keywords
main body
section
band
connection
clock side
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US18/664,891
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English (en)
Inventor
Yoshihiro Maruyama
Masao Amano
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Casio Computer Co Ltd
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Casio Computer Co Ltd
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Assigned to CASIO COMPUTER CO., LTD. reassignment CASIO COMPUTER CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AMANO, MASAO, MARUYAMA, YOSHIHIRO
Publication of US20240389721A1 publication Critical patent/US20240389721A1/en
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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
    • A44C5/16—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like by folding the strap
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like

Definitions

  • the present invention relates to a connection member for wristwatches, clothes, handbags, briefcases, and the like, a band equipped with the connection member, and a timepiece equipped with the band.
  • Japanese Patent Application Laid-Open (Kokai) Publication No. 2019-060844 discloses a wristwatch in which bands are attached to band attachment sections provided on the twelve o'clock side and six o'clock side of a wristwatch case by connection members called spring bars.
  • An embodiment of the present invention is a connection member comprising: a cylindrical member; a connection portion which is inserted into at least one end portion of the cylindrical member; and a spring member which is arranged in the cylindrical member and forces the connection portion toward outside of the cylindrical member, wherein the spring member is formed of a corrosion-resisting material.
  • FIG. 1 is a perspective view showing a first embodiment of a wristwatch in which the present invention has been applied;
  • FIG. 2 is an enlarged front view of a first band main body on the twelve o'clock side of the wristwatch shown in FIG. 1 ;
  • FIG. 3 is an enlarged cross-sectional view of a connection member attached to the first band main body and taken along the A-A arrow view in FIG. 2 ;
  • FIG. 4 is an enlarged cross-sectional view of a connection member attached to the first band main body in a second embodiment of the wristwatch in which the present invention has been applied;
  • FIG. 5 is a perspective view showing a modification example of the wristwatch in which the present invention has been applied.
  • FIG. 1 to FIG. 3 A first embodiment of a wristwatch in which the present invention has been applied will hereinafter be described with reference to FIG. 1 to FIG. 3 .
  • This wristwatch includes a wristwatch case 1 , as shown in FIG. 1 .
  • a wristwatch case 1 On the two o'clock side, three o'clock side, four o'clock side, eight o'clock side, and ten o'clock side of the wristwatch case 1 , switch sections 2 are provided.
  • connection member of this type of wristwatch is structured such that connecting pins are inserted into both ends of a cylinder section, a coiled spring member is arranged inside the cylinder section, and the connecting pins are forced toward the outside of the cylinder section by the spring force of the spring member.
  • the spring member of this connection member is made of a cobalt-nickel alloy which is a non-magnetic material so that a magnetic sensor mounted in the wristwatch is not affected thereby.
  • connection member of this wristwatch has a problem in that, since the spring member is made of a cobalt-nickel alloy which is a non-magnetic material, the spring member is easily corroded by seawater or the like when the wristwatch is used in the sea, etc.
  • An object of the present invention is to improve this situation and solve the problem by increasing corrosion resistance so as to prevent corrosion.
  • band attachment sections 4 are provided to which bands 3 are attached, as shown in FIG. 1 .
  • the bands 3 include a first band main body 5 which is attached to the band attachment section 4 on the twelve o'clock side and a second band main body 6 which is attached to the band attachment section 4 on the six o'clock side, which are made of synthetic leather or synthetic resin such as urethane resin.
  • an attachment projection section 4 a is provided, as shown in FIG. 1 .
  • This attachment projection section 4 a on the twelve o'clock side is formed such that its projecting length from the wristwatch case 1 is longer than those of attachment side sections 4 b located to its sides in the transverse direction of the first band main body 5 .
  • an attachment projection section 4 a is provided, as shown in FIG. 1 .
  • This attachment projection section 4 a on the six o'clock side is formed such that its projecting length from the wristwatch case 1 is longer than those of attachment side sections 4 b located to its sides in the transverse direction of the second band main body 6 .
  • an attachment recess section 7 where the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side is inserted and arranged is formed, as shown in FIG. 1 and FIG. 2 .
  • the first band main body 5 on the twelve o'clock side is attached to the band attachment section 4 by a screw member 9 with the attachment projection section 4 a of the band attachment section 4 being inserted into and arranged in the attachment recess section 7 in the one end section 5 a .
  • the first band main body 5 on the twelve o'clock side is structured such that band side sections 7 a located to the sides of the attachment recess section 7 are attached to the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side by the screw member 9 .
  • an attachment recess section 8 where the attachment projection section 4 a of the band attachment section 4 on the six o'clock side is inserted and arranged is formed, as shown in FIG. 1 .
  • the second band main body 6 on the six o'clock side is attached to the band attachment section 4 by a screw member 9 with the attachment projection section 4 a of the band attachment section 4 being inserted into and arranged in the attachment recess section 8 in the one end section 6 a .
  • the second band main body 6 on the six o'clock side is structured such that band side sections 8 a located to the sides of the attachment recess section 8 are attached to the attachment projection section 4 a of the band attachment section 4 on the six o'clock side by the screw member 9 .
  • the screw member 9 on the twelve o'clock side in the present embodiment is constituted by two types of members, which are a first screw member having a male screw portion and a second screw member having a female screw portion into which the male screw portion is screwed.
  • the first screw member is structured to be inserted into the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side through one of the band side sections 7 a located to the sides of the attachment recess section 7 of the first band main body 5 on the twelve o'clock side, as shown in FIG. 1 .
  • the second screw member is structured to be inserted into the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side through the other one of the band side sections 7 a located to the sides of the attachment recess section 7 of the first band main body 5 on the twelve o'clock side.
  • the screw member 9 on the twelve o'clock side is structured such that the male screw portion of the first screw member is screwed into the female screw portion of the second screw member with the male screw portion of the first screw member and the female screw portion of the second screw member being arranged in the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side, as shown in FIG. 1 .
  • the screw member 9 on the twelve o'clock side attaches the band side sections 7 a located to the sides of the attachment recess section 7 of the first band main body 5 on the twelve o'clock side to the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side of the wristwatch case 1 .
  • the screw member 9 on the six o'clock side is constituted by two types of members, which are a first screw member having a male screw portion and a second screw member having a female screw portion into which the male screw portion is screwed.
  • the first screw member is structured to be inserted into the attachment projection section 4 a of the band attachment section 4 on the six o'clock side through one of the band side sections 8 a located to the sides of the attachment recess section 8 of the second band main body 6 on the six o'clock side, as shown in FIG. 1 .
  • the second screw member is structured to be inserted into the attachment projection section 4 a of the band attachment section 4 on the six o'clock side through the other one of the band side sections 8 a located to the sides of the attachment recess section 8 of the second band main body 6 on the six o'clock side.
  • the screw member 9 on the six o'clock side is structured such that the male screw portion of the first screw member is screwed into the female screw portion of the second screw member with the male screw portion of the first screw member and the female screw portion of the second screw member being arranged in the attachment projection section 4 a of the band attachment section 4 on the six o'clock side, as shown in FIG. 1 .
  • the screw member 9 on the six o'clock side attaches the band side sections 8 a located to the sides of the attachment recess section 8 of the second band main body 6 on the six o'clock side to the attachment projection section 4 a of the band attachment section 4 on the six o'clock side of the wristwatch case 1 .
  • a buckle 10 and a band keeper 11 are attached, as shown in FIG. 1 and FIG. 2 .
  • the buckle 10 is a metal fitting for connecting the other end section 5 b side of the first band main body 5 on the twelve o'clock side and the other end section 6 b side of the second band main body 6 on the six o'clock side to each other.
  • the buckle 10 includes a buckle main body 13 which is attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side by a connection member 12 called a spring bar, and a locking pin 14 which is attached to the connection member 12 , as shown in FIG. 1 and FIG. 2 .
  • the buckle main body 13 is a metal fitting into which the other end section 6 b of the second band main body 6 on the six o'clock side is inserted while overlapping with the other end section 5 b of the first band main body 5 on the twelve o'clock side.
  • This buckle main body 13 is a frame member acquired by side portions of a stick-shaped member being bent in the same direction so as to achieve a U-shape, and includes a locking main body section 13 a and locking side sections 13 b located on side portions of the locking main body section 13 a.
  • This buckle main body 13 is structured such that the locking side sections 13 b on its side portions are attached to the sides of the other end section 5 b of the first band main body 5 , which is located on the twelve o'clock side, in the transverse direction by the connection member 12 , as shown in FIG. 2 and FIG. 3 . That is, this buckle main body 13 is structured such that the locking side sections 13 b on its sides are arranged on the other end section 5 b of the first band main body 5 .
  • the locking side sections 13 b on the side portions of the buckle main body 13 are provided with lock attachment holes 13 c into which a pin section 16 b of a later-described connecting pin 16 of the connection member 12 and a connection projection section 18 of the connection member 12 are inserted.
  • the buckle main body 13 is structured such that, with the locking side sections 13 b on its side portions being arranged on the other end section 5 b of the first band main body 5 on the twelve o'clock side as shown in FIG. 2 and FIG. 3 , the pin section 16 b of the connecting pin 16 of the connection member 12 attached to the other end section 5 b of the first band main body 5 and the connection projection section 18 of the connection member 12 are inserted into the lock attachment holes 13 c formed in the locking side sections 13 b on the side portions of the buckle main body 13 , whereby the buckle main body 13 is attached to the other end section 5 b of the first band main body 5 .
  • the locking pin 14 is a pin acquired by two pin lock sections 14 a being connected in an H-shape by a connection piece 14 b , as shown in FIG. 2 .
  • These two pin lock sections 14 a are structured to be inserted into two band holes 6 c located adjacent to each other in the transverse direction of the second band main body 6 among a plurality of band holes 6 c formed in two lines in the second band main body 6 on the six o'clock side of the wristwatch case 1 , as shown in FIG. 1 and FIG. 2 .
  • each lock attachment ring section 14 d on the end portions of the pin lock sections 14 a has a ring shape into which the cylindrical member 15 of the connection member 12 is inserted, as shown in FIG. 3 .
  • the other end section 6 b of the second band main body 6 on the six o'clock side of the wristwatch case 1 is inserted into the buckle main body 13 .
  • the two pin lock sections 14 a of the locking pin 14 are inserted into two band holes 6 c located adjacent to each other in the transverse direction of the second band main body 6 among the plurality of band holes 6 c formed in the second band main body 6 on the six o'clock side.
  • the buckle 10 connects the other end section 5 b side of the first band main body 5 on the twelve o'clock side of the wristwatch case 1 and the other end section 6 b side of the second band main body 6 on the six o'clock side to each other such that they overlap with each other.
  • the band keeper 11 is to restrict a space that causes the slippage or the like of the other end section 6 b of the second band main body 6 on the six o'clock side of the wristwatch case 1 , and is attached to the first band main body 5 on the twelve o'clock side in a manner to be movable in the longitudinal direction, as shown in FIG. 2 .
  • This band keeper 11 is structured such that, when the other end section 6 b of the second band main body 6 on the six o'clock side of the wristwatch case 1 is overlapped with and attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side by the buckle 10 , this other end section 6 b of the second band main body 6 on the six o'clock side is inserted into the band keeper 11 .
  • the connection member 12 includes the cylindrical member 15 which is attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side in the transverse direction of the first band main body 5 , the connecting pin 16 which is a connection section to be inserted into one end of the cylindrical member 15 , and a spring member 17 which is arranged in the cylindrical member 15 and forces the connecting pin 16 toward the outside of the cylindrical member 15 , as shown in FIG. 3 .
  • the cylindrical member 15 is inserted into and attached to a cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 while extending in the transverse direction of the first band main body 5 .
  • the cylindrical member 15 includes a cylinder main body section 15 a having a round bar shape, as shown in FIG. 3 .
  • a housing hole 15 b in which the connecting pin 16 and the spring member 17 are housed is formed in an axial direction. More specifically, the housing hole 15 b is formed extending from one end of the cylinder main body section 15 a to a middle portion thereof in the axial direction. That is, the length of the housing hole 15 b is substantially half the length of the cylinder main body section 15 a in the axial direction.
  • the connection projection section 18 having a pin shape is formed on the other end of the cylinder main body section 15 a .
  • the connecting pin 16 includes a slide section 16 a which is slidably inserted into the housing hole 15 b in the cylinder main body section 15 a of the cylindrical member 15 , and the pin section 16 b which is formed on one end of the slide section 16 a and retractably project toward the outside of the cylinder main body section 15 a , as shown in FIG. 3 .
  • the slide section 16 a is formed such that its outer diameter is substantially equal to the inner diameter of the housing hole 15 b , and its axial length is slightly shorter than the length of the inner diameter of the housing hole 15 b.
  • the pin section 16 b is formed such that its outer diameter is substantially half the outer diameter of the cylindrical member 15 , and its axial length is longer than the axial length of the slide section 16 a and substantially equal to the length of the outer diameter of the cylindrical member 15 , as shown in FIG. 3 .
  • a stopper section 15 c having a ring shape is formed toward the medial side of the housing hole 15 b by swaging.
  • the connecting pin 16 is structured such that, when the pin section 16 b is pressed by the spring force of the spring member 17 toward the outside of the cylinder main body section 15 a through the ring-shaped stopper section 15 c , the outer side surface of the slide section 16 a comes in contact with the inner surface of the stopper section 15 c so that the slide section 16 a does not slip out of the housing hole 15 b of the cylinder main body section 15 a , as shown in FIG. 3 .
  • the pin-shaped connection projection section 18 of the cylinder main body section 15 a is formed such that its outer diameter is substantially equal to the outer diameter of the pin section 16 b of the connecting pin 16 , as shown in FIG. 3 .
  • the axial length of this pin-shaped connection projection section 18 is substantially equal to the axial length of the pin section 16 b of the connecting pin 16 projecting from the cylinder main body section 15 a.
  • a mark 19 for distinguishing the pin-shaped connection projection section 18 is provided, as shown in FIG. 3 .
  • This mark 19 is a V-shaped groove and annularly formed in the outer circumferential surface of the cylinder main body section 15 a .
  • this mark 19 is provided not to be seen from the outside when the buckle main body 13 is attached to the other end section 5 b of the first band main body 5 by the cylindrical member 15 with the cylinder main body section 15 a being arranged in the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 .
  • the spring member 17 which is a coil spring, is formed such that its outer diameter is substantially equal to the inner diameter of the housing hole 15 b formed in the cylinder main body section 15 a of the cylindrical member 15 , as shown in FIG. 3 .
  • the axial length of the spring member 17 in a free state is equal to or longer than the axial length of the housing hole 15 b .
  • This spring member 17 is arranged in a compressed state in the housing hole 15 b , and forces the slide section 16 a of the connecting pin 16 toward the outside of the cylinder main body section 15 a by the spring force of the spring member 17 so as to press the pin section 16 b toward the outside of the cylinder main body section 15 a.
  • the spring member 17 is formed of a corrosion-resisting material. More specifically, this spring member 17 is formed of a titanium alloy having a spring property, that is, ⁇ titanium alloy whose crystal structure is a body-centered cubic structure called ⁇ -phase. This ⁇ titanium alloy is a material whose strength is highest among all the titanium alloys, and corrosion resistance level and workability level are high.
  • the titanium has a high corrosion resistance level by a strong titanium oxide coating being formed on the material surface.
  • the cylindrical member 15 having the connection projection section 18 provided on the cylinder main body section 15 a and the connecting pin 16 are formed of a high-strength titanium alloy. More specifically, the cylindrical members 15 and the connecting pin 16 are formed of ⁇ - ⁇ titanium alloy where aluminum (Al) and vanadium (V) have been mixed at a ratio of about 6:4 (JIS60 species).
  • This ⁇ - ⁇ titanium alloy which is 64 titanium alloy, has properties of both ⁇ titanium alloy and titanium alloy, and has a two-phase system where ductility and strength are especially well-balanced.
  • the ⁇ titanium alloy herein refers to a titanium alloy whose crystal structure is a hexagonal close packed structure called ⁇ -phase.
  • the mechanical property and physical property of titanium are described.
  • the tensile strength (MPa) in descending order is ⁇ - ⁇ titanium alloy (64 titanium alloy, JIS60 species) ⁇ 895, ⁇ titanium alloy ⁇ 800, pure titanium (JIS2 species) ⁇ 340.
  • the proof stress (MPa) in descending order is ⁇ - ⁇ titanium alloy (64 titanium alloy, JIS60 species) ⁇ 828, ⁇ titanium alloy ⁇ 690, pure titanium (JIS2 species) ⁇ 210.
  • the hardness (Hv) in descending order is ⁇ - ⁇ titanium alloy (64 titanium alloy, JIS60 species) ⁇ 320, ⁇ titanium alloy ⁇ 270, pure titanium (JIS2 species) ⁇ 130.
  • the tensile strength (MPa), the proof stress (MPa), and the hardness (Hv) in descending order are all ⁇ - ⁇ titanium alloy (64 titanium alloy), ⁇ titanium alloy, pure titanium.
  • 64 titanium alloy is used for the connecting pin 16 and the cylindrical member 15
  • ⁇ titanium alloy is used for the spring member 17
  • the tensile strength (MPa), the proof stress (MPa), and the hardness (Hv) of the connecting pin 16 are equal to those of the cylindrical member 15
  • the tensile strength (MPa), the proof stress (MPa), and the hardness (Hv) of the spring member 17 are smaller than those of the cylindrical member 15 and the connecting pin 16 .
  • the thermal conductivity [W/(mK)] in descending order is pure titanium (JIS2 species) 17.0, ⁇ titanium alloy 8.1, and ⁇ - ⁇ titanium alloy (64 titanium alloy, JIS60 species) 7.5.
  • the degree of elongation (%) in descending order is pure titanium (JIS2 species) ⁇ 23, ⁇ titanium alloy 212, and ⁇ - ⁇ titanium alloy (64 titanium alloy, JIS60 species) ⁇ 10.
  • the thermal conductivity [W/(mK)] and the degree of elongation (%) in descending order are all pure titanium, ⁇ titanium alloy, and ⁇ - ⁇ titanium alloy (64 titanium alloy).
  • ⁇ titanium alloy is used for the spring member 17
  • 64 titanium alloy is used for the connecting pin 16 and the cylindrical member 15
  • the thermal conductivity [W/(mK)] and the degree of elongation (%) of the connecting pin 16 are equal to those of the cylindrical member 15
  • the thermal conductivity [W/(mK)] and the degree of elongation (%) of the spring member 17 are larger than those of the cylindrical member 15 and the connecting pin 16 .
  • the band keeper 11 is fitted around the other end section 5 b side of the first band main body 5 on the twelve o'clock side, and the buckle 10 is attached to the other end section 5 b of the first band main body 5 by the connection member 12 .
  • the connection member 12 is assembled.
  • the coiled spring member 17 is arranged in the housing hole 15 b formed on one end side of the cylinder main body section 15 a.
  • the slide section 16 a of the connecting pin 16 is inserted into the housing hole 15 b of the cylinder main body section 15 a with the spring member 17 being compressed.
  • one end portion of the cylinder main body section 15 a located on the opening side of the housing hole 15 b is swaged so as to form the ring-shaped stopper section 15 c on this one end of the cylinder main body section 15 a .
  • the slide section 16 a of the connecting pin 16 is pressed against the stopper section 15 c by the spring force of the spring member 17 , and the pin section 16 b of the connecting pin 16 is pushed out of the one end of the cylinder main body section 15 a , whereby the assembly of the connection member 12 is ended.
  • the buckle 10 is attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side by the connection member 12 assembled as described above.
  • the connection member 12 is attached to the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side while extending in the transverse direction of the first band main body 5 , and the locking pin 14 of the buckle 10 is attached to this connection member 12 .
  • the lock attachment ring sections 14 d provided on the two pin lock sections 14 a of the locking pin 14 are arranged in cutout sections 5 d formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side while extending across the cylinder attachment hole 5 c , as shown in FIG. 3 .
  • the cylinder main body section 15 a of the connection member 12 is inserted into the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side.
  • the cylinder main body section 15 a is inserted into the lock attachment ring sections 14 d of the two pin lock sections 14 a of the locking pin 14 arranged in the cutout section 5 d of the other end section 5 b of the first band main body 5 on the twelve o'clock side.
  • the cylindrical member 15 is inserted into the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side, and the locking pin 14 is rotatably attached to the cylinder main body section 15 a of the cylindrical member 15 .
  • the pin section 16 b of the connecting pin 16 protruding from one end of the cylinder main body section 15 a of the cylindrical member 15 is arranged protruding from one side of the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side.
  • the pin-shaped connection projection section 18 provided on the other end of the cylinder main body section 15 a of the cylindrical member 15 is arranged protruding from the other side of the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side.
  • the buckle main body 13 of the buckle 10 is attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side.
  • the connection projection section 18 on the other end of the cylinder main body section 15 a which is protruding from the other side of the cylinder attachment hole 5 c in the other end section 5 b of the first band main body 5 on the twelve o'clock side is inserted into the lock attachment hole 13 c formed in one of the locking side sections 13 b of the side portions of the buckle main body 13 , as shown in FIG. 3 .
  • the pin section 16 b of the connecting pin 16 of the connection member 12 protruding from the one side of the cylinder attachment hole 5 c in the other end section 5 b of the first band main body 5 on the twelve o'clock side is pressed against the spring force of the spring member 17 toward the inside of the housing hole 15 b of the cylinder main body section 15 a .
  • the pin section 16 b of the connecting pin 16 of the connection member 12 pressed toward the inside of the housing hole 15 b of the cylinder main body section 15 a is positioned corresponding to the lock attachment hole 13 c formed in the other one of the locking side sections 13 b of the side portions of the buckle main body 13 .
  • the pin section 16 b of the connecting pin 16 of the connection member 12 is pressed by the spring force of the spring member 17 toward the outside of the housing hole 15 b of the cylinder main body section 15 a . Accordingly, the pin section 16 b of the connecting pin 16 pressed thereby is inserted into the lock attachment hole 13 c formed in the other one of the locking side sections 13 b of the side portions of the buckle main body 13 , as shown in FIG. 3 .
  • the pin-shaped connection projection section 18 of the connection member 12 is inserted into the lock attachment hole 13 c in one of the locking side sections 13 b of the buckle main body 13 , and the pin section 16 b of the connecting pin 16 of the connection member 12 is inserted into the lock attachment hole 13 c in the other one of the locking side sections 13 b of the buckle main body 13 , as shown in FIG. 3 . Consequently, the buckle main body 13 is attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side by the connection member 12 .
  • the first band main body 5 which is on the twelve o'clock side and to which the buckle 10 and the band keeper 11 have been attached is attached to the band attachment section 4 on the twelve o'clock side of the wristwatch case 1 .
  • the attachment recess section 7 formed in the one end section 5 a of the first band main body 5 on the twelve o'clock side is positioned corresponding to the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side
  • the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side is arranged in the attachment recess section 7 of the first band main body 5 .
  • the first band main body 5 is attached to the band attachment section 4 on the twelve o'clock side by the corresponding screw member 9 .
  • the first screw member which constitutes the screw member 9 on the twelve o'clock side is inserted into the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side through one of the band side sections 7 a located to the sides of the attachment recess section 7 of the first band main body 5
  • the second screw member which also constitutes the screw member 9 is inserted into the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side through the other one of the band side sections 7 a located to the sides of the attachment recess section 7 of the first band main body 5 on the twelve o'clock side.
  • the male screw portion of the first screw member of the screw member 9 on the twelve o'clock side and the female screw portion of the second screw member thereof being positioned in the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side the male screw portion of the first screw member is screwed into the female screw portion of the second screw member.
  • the band side sections 7 a located to the sides of the attachment recess section 7 of the first band main body 5 on the twelve o'clock side is attached to the attachment projection section 4 a of the band attachment section 4 on the twelve o'clock side of the wristwatch case 1 by the screw member 9 on the twelve o'clock side.
  • the second band main body 6 on the six o'clock side is attached to the band attachment section 4 on the six o'clock side of the wristwatch case 1 .
  • the band holes 6 c into which the tip end sections 14 c of the two pin lock sections 14 a of the locking pin 14 of the buckle 10 are inserted are formed in two lines in the second band main body 6 on the six o'clock side in a manner to extend in the longitudinal direction of the second band main body 6 .
  • the attachment recess section 8 formed in the one end section 6 a of the second band main body 6 on the six o'clock side is positioned corresponding to the attachment projection section 4 a of the band attachment section 4 on the six o'clock side.
  • the attachment projection section 4 a of the band attachment section 4 on the six o'clock side is arranged in the attachment recess section 8 of the second band main body 6 on the six o'clock side. Then, the second band main body 6 on the six o'clock side is attached to the band attachment section 4 on the six o'clock side by the corresponding screw member 9 .
  • the first screw member which constitutes the screw member 9 on the six o'clock side is inserted into the attachment projection section 4 a of the band attachment section 4 on the six o'clock side through one of the band side sections 8 a located to the sides of the attachment recess section 8 of the second band main body 6 on the six o'clock side
  • the second screw member which also constitutes the screw member 9 is inserted into the attachment projection section 4 a of the band attachment section 4 on the six o'clock side through the other one of the band side sections 8 a located to the sides of the attachment recess section 8 of the second band main body 6 on the six o'clock side.
  • the male screw portion of the first screw member of the screw member 9 on the six o'clock side and the female screw portion of the second screw member thereof being positioned in the attachment projection section 4 a of the band attachment section 4 on the six o'clock side the male screw portion of the first screw member is screwed into the female screw portion of the second screw member.
  • the band side sections 8 a located to the sides of the attachment recess section 8 of the second band main body 5 on the six o'clock side is attached to the attachment projection section 4 a of the band attachment section 4 on the six o'clock side of the wristwatch case 1 by the screw member 9 on the six o'clock side.
  • the wristwatch case 1 is worn on an arm by the bands 3 .
  • the other end section 6 b of the second band main body 6 on the six o'clock side is inserted into the buckle main body 13 of the buckle 10 attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side, with the wristwatch case 1 being arranged on the arm.
  • the other end section 6 b side of the second band main body 6 on the six o'clock side is arranged on top of the other end section 5 b side of the first band main body 5 on the twelve o'clock side.
  • the leading end sections 14 c of the two pin lock sections 14 a of the locking pin 14 of the buckle 10 are pressed against the lock body section 13 a of the buckle main body 13 with the other end section 6 b side of the second band main body 6 on the six o'clock side being arranged on top of the other end section 5 b side of the first band main body 5 on the twelve o'clock side. Consequently, the other end section 5 b side of the first band main body 5 on the twelve o'clock side and the other end section 6 b side of the second band main body 6 on the six o'clock side are connected to each other.
  • the other end section 6 b of the second band main body 6 on the six o'clock side is inserted into in the band keeper 11 provided on the first band main body 5 on the twelve o'clock side so that a space that causes the slippage or the like of the other end section 6 b of the second band main body 6 on the six o'clock side is restricted.
  • the wristwatch case 1 is worn on the arm by the bands 3 .
  • the wristwatch even when the user dives in the sea with the wristwatch being worn on his or her arm, the wristwatch can be used in a good condition. That is, since the spring member 17 of the connection member 12 which attaches the buckle 10 to the other end section 5 b of the first band main body 5 on the twelve o'clock side of the wristwatch is made of a corrosion-resisting material, this spring member 17 is highly resistant to corrosion, and thereby favorably prevented from being corroded by sea water or the like.
  • the spring member 17 is formed of a titanium alloy having a spring property, that is, ⁇ titanium alloy whose crystal structure is a body-centered cubic structure called ⁇ -phase.
  • This ⁇ titanium alloy is a material whose strength is highest among all the titanium alloys, and corrosion resistance level and workability level are high.
  • the titanium achieves high corrosion resistance.
  • the cylindrical member 15 having the connection projection section 18 provided on the cylinder main body section 15 a and the connecting pin 16 are formed of a high-strength titanium alloy, whereby high corrosion resistance is achieved with high strength. More specifically, the cylindrical members 15 and the connecting pin 16 are formed of ⁇ - ⁇ titanium alloy (64 titanium alloy) where aluminum (Al) and vanadium (V) have been mixed at a ratio of about 6:4, whereby the corrosion resistance level and the strength are further increased.
  • connection member 12 of this wristwatch includes the cylindrical member 15 , the connecting pin 16 which is a connection section to be inserted into at least one end portion of the cylindrical member 15 , and the spring member 17 which is arranged in the cylindrical member 15 and forces the connecting pin 16 toward the outside of the cylindrical member 15 .
  • the spring member 17 is formed of a corrosion-resisting material. Accordingly, the corrosion resistance is enhanced, whereby corrosion is reliably and favorably prevented.
  • the spring member 17 is formed of a titanium alloy having a spring property, whereby this spring member 17 reliably has a spring property.
  • this spring member 17 is formed of a titanium alloy, the corrosion resistance of the spring member 17 is reliably enhanced, whereby the corrosion of the spring member 17 is reliably prevented.
  • the titanium achieves high corrosion resistance.
  • the spring member 17 is formed of a titanium alloy whose crystal structure is a body-centered cubic structure, which further raises the corrosion resistance level of the spring member 17 .
  • the spring member 17 can be easily and favorably manufactured.
  • connection member 12 of this wristwatch the connecting pin 16 is inserted into one end portion of the cylindrical member 15 and the connection projection section 18 is formed on the other end portion of the cylindrical member 15 .
  • the connection member 12 of this wristwatch can be easily manufactured having the simple structure with a few components.
  • this connection member 12 can be attached to the first band main body 5 by merely one end of the connecting pin 16 being operated, which simplifies the attachment.
  • the mark 19 for distinguishing the pin-shaped connection projection section 18 is provided on the other end side of the cylindrical member 15 . Accordingly, although the shape of the pin section 16 b of the connecting pin 16 on the movable side and that of the connection projection section 18 on the fixed side are the same, the fixed side can be easily distinguished by the mark 19 , which enhances the attachment workability. Also, this mark 19 is provided in a manner not to be seen from the outside when the cylindrical member 15 is inserted into the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 , which enhances the design.
  • the cylindrical member 15 having the connection projection section 18 provided on the cylinder main body section 15 a and the connecting pin 16 are formed of a high-strength titanium alloy, which enhances the corrosion resistance and strength of the cylindrical member 15 and the connecting pin 16 .
  • the strength of the cylindrical member 15 and the connecting pin 16 is ensured.
  • connection member 12 of this wristwatch the cylindrical member 15 having the connection projection section 18 provided on the cylinder main body section 15 a and the connecting pin 16 are formed of ⁇ - ⁇ titanium alloy (64 titanium alloy) where aluminum (Al) and vanadium (V) have been mixed at a ratio of about 6:4.
  • connection member 12 of this wristwatch has properties of both ⁇ titanium alloy and ⁇ titanium alloy, in which ductility and strength are especially well-balanced. As a result, the strength and the corrosion resistance level are further increased.
  • FIG. 4 a second embodiment in which the present invention has been applied in a wristwatch is described with reference to FIG. 4 . Note that sections that are the same as those of the first embodiment shown in FIG. 1 to FIG. 3 are described using the same reference numerals.
  • This wristwatch has a substantially same structure as the first embodiment except that a connection member 20 which is attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side has a structure different from the structure of the connection member 12 in the first embodiment.
  • connection member 20 includes a cylindrical member 21 having a pipe shape, connecting pins 16 which are connection sections to be inserted into both ends of the cylindrical member 21 , and a spring member 22 which is arranged in the cylindrical member 21 , and forces the connecting pins 16 in the end portions toward the outside through the sides 10 of the cylindrical member 21 , as shown in FIG. 4 .
  • the cylindrical member 21 includes a cylinder main body section 21 a having a cylindrical shape. On the ends of this cylinder main body section 21 a , stopper sections 21 b are formed as with the first embodiment, as shown in FIG. 4 .
  • the connection member 20 is structured such that, even when the connecting pins 16 inserted into the end portions of the cylinder main body section 21 a are forced in directions to be pressed outward by the spring force of the spring member 22 arranged inside the cylinder main body section 21 a , the connecting pins 16 do not slip out of the end portions of the cylinder main body section 21 a by the stopper sections 21 b formed on the ends of the cylinder main body section 21 a.
  • the spring member 22 is formed such that its outer diameter is substantially equal to the inner diameter of the cylinder main body section 21 a , as shown in FIG. 4 . Also, the axial length of the spring member 22 in a free state is equal to or longer than the axial length of the cylinder main body section 21 a . As a result of this structure, when being arranged in the cylinder main body section 21 a , the spring member 22 is in a compressed state. Then, by the spring force, the spring member 22 forces the connecting pins 16 on both sides in directions in which the connecting pins 16 are pressed outward.
  • This spring member 22 of the connection member 20 is formed of a corrosion-resisting material, as with the first embodiment. More specifically, this spring member 22 is formed of a titanium alloy having a spring property, that is, ⁇ titanium alloy whose crystal structure is a body-centered cubic structure called ⁇ -phase. This ⁇ titanium alloy is a material whose strength is highest among all the titanium alloys, and corrosion resistance level and workability level are high. In this embodiment as well, the titanium has a high corrosion resistance level by a strong titanium oxide coating being formed on the material surface.
  • each connecting pin 16 is formed of a high-strength titanium alloy, whereby high corrosion resistance is achieved with high strength, as with the first embodiment. More specifically, each connecting pin 16 is formed of ⁇ - ⁇ titanium alloy (64 titanium alloy) where aluminum (Al) and vanadium (V) have been mixed at a ratio of about 6:4, and therefore has properties of both ⁇ titanium alloy and ⁇ titanium alloy, in which ductility and strength are especially well-balanced so as to further increase the corrosion resistance level and the strength.
  • ⁇ - ⁇ titanium alloy 64 titanium alloy
  • Al aluminum
  • V vanadium
  • the cylindrical member 21 is formed of titanium whose purity is high, that is, pure titanium (JIS2 species).
  • This pure titanium is single-phase titanium constituted by only-phase where the crystal structure is a hexagonal close packed structure.
  • the cylindrical member 21 formed of this pure titanium is inexpensive, and has a high corrosion resistance level with high strength.
  • the connecting pins 16 when 64 titanium alloy is used for the connecting pins 16 , ⁇ titanium alloy is used for the spring member 22 , and pure titanium is used for the cylindrical member 21 , the tensile strength (MPa), the proof stress (MPa), and the hardness (Hv) in descending order are the connecting pins 16 , the spring member 22 , and the cylindrical member 21 . Also, the thermal conductivity [W/(mK)] and the degree of elongation (%) in descending order are the cylindrical member 21 , the spring member 22 , and the connecting pins 16 .
  • the band keeper 11 is inserted into the other end section 5 b side of the first band main body 5 on the twelve o'clock side, and the buckle 10 is attached to the other end section 5 b of the first band main body 5 by the connection member 20 , as with the first embodiment.
  • the connection member 20 is assembled.
  • the coiled spring member 22 is arranged in the cylinder main body section 21 a of the cylindrical member 21 .
  • the slide sections 16 a of the two connecting pins 16 are inserted into the ends of the cylinder main body section 21 a while the spring member 22 is being compressed.
  • the open ends of the cylinder main body section 21 a are swaged so as to form the ring-shaped stopper sections 21 b on the ends of the cylinder main body section 21 a .
  • the slide sections 16 a of the two connecting pins 16 are pressed against the stopper sections 21 b on the ends of the cylinder main body section 21 a by the spring force of the spring member 22 , and the pin sections 16 b of the connecting pins 16 are pushed out of the ends of the cylinder main body section 21 a , whereby the assembly of the connection member 20 is ended.
  • the buckle 10 is attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side by the connection member 20 assembled as described above.
  • the connection member 20 is attached to the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side while extending in the transverse direction of the first band main body 5 , and the locking pin 14 of the buckle 10 is attached to this connection member 20 , as with the first embodiment.
  • the lock attachment ring sections 14 d provided on the two pin lock sections 14 a of the locking pin 14 are arranged in the cutout sections 5 d formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side while extending across the cylinder attachment hole 5 c.
  • the cylinder main body section 21 a of the connection member 20 is inserted into the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side, as with the first embodiment.
  • the cylinder main body section 21 a is inserted into the lock attachment ring sections 14 d of the two pin lock sections 14 a of the locking pin 14 .
  • the cylindrical member 21 is inserted into the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side, and the locking pin 14 is rotatably attached to the cylinder main body section 21 a of the cylindrical member 21 .
  • the pin sections 16 b of the connecting pins 16 protruding from the ends of the cylinder main body section 21 a are arranged protruding from the sides of the cylinder attachment hole 5 c formed in the other end section 5 b of the first band main body 5 on the twelve o'clock side.
  • the buckle main body 13 of the buckle 10 is attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side.
  • the pin sections 16 b of the connecting pins 16 of the connection member 20 pressed into the cylinder main body section 21 a is positioned corresponding to the lock attachment holes 13 c formed in the locking side sections 13 b on the side portions of the buckle main body 13 .
  • the pin sections 16 b of the connecting pins 16 of the connection member 20 are pressed by the spring force of the spring member 22 toward the outside of the cylinder main body section 21 a .
  • the pin sections 16 b of the connecting pins 16 pressed thereby are inserted into the lock attachment holes 13 c formed in the locking side sections 13 b of the side portions of the buckle main body 13 .
  • the buckle main body 13 is attached to the other end section 5 b of the first band main body 5 on the twelve o'clock side by the connecting pins 16 of the connection member 20 .
  • the first band main body 5 which is on the twelve o'clock side and to which the buckle 10 and the band keeper 11 have been attached is attached to the band attachment section 4 on the twelve o'clock side of the wristwatch case 1 by the same procedure as the first embodiment.
  • the second band main body 6 on the six o'clock side is attached to the band attachment section 4 on the six o'clock side of the wristwatch case 1 by the same procedure as the first embodiment.
  • This wristwatch where the bands 3 have been attached to the wristwatch case 1 as described above can be used in the same manner as the first embodiment.
  • connection member 20 of this wristwatch includes the cylindrical member 21 , the connecting pins 16 which are connection sections to be inserted into end portions of the cylindrical member 21 , and the spring member 22 which is arranged in the cylindrical member 21 and forces the connecting pins 16 in the end portions toward the outside of the cylindrical member 21 .
  • the spring member 22 is formed of a corrosion-resisting material. Accordingly, the spring member 22 enhances the corrosion resistance, whereby corrosion is reliably and favorably prevented, as with the first embodiment.
  • the spring member 22 is formed of a titanium alloy having a spring property, whereby this spring member 17 reliably has a spring property, as with the first embodiment.
  • this spring member 22 is formed of a titanium alloy, the corrosion resistance is reliably enhanced, whereby corrosion is reliably prevented.
  • the titanium achieves high corrosion resistance.
  • the spring member 22 is formed of a titanium alloy whose crystal structure is a body-centered cubic structure, which further raises the corrosion resistance level of the spring member 22 , as with the first embodiment.
  • the spring member 22 can be easily and favorably manufactured.
  • the spring member 22 is formed such that its axial length is equal to or longer than the axial length of the cylindrical member 21 , the design and manufacture can be easily achieved as compared to a case where the axial length is short.
  • connection member 20 of this wristwatch the connecting pins 16 are inserted into both ends of the cylindrical member 21 .
  • same components can be used for the connecting pins 16 that are inserted into the ends of the cylindrical member 21 , which simplifies the structure and assembly work.
  • the cylindrical member 21 is formed of titanium whose purity is high, that is, pure titanium, and therefore has a high corrosion resistance level with high strength. That is, by being formed using the pure titanium which is single-phase titanium constituted by only ⁇ -phase where the crystal structure is a hexagonal close packed structure, the cylindrical member 21 is inexpensive, and has a high corrosion resistance level with high strength.
  • the connecting pins 16 are formed of a high-strength titanium alloy which enhances the corrosion resistance and strength of the connecting pins 16 , as with the first embodiment. As a result of this structure, the strength of each connecting pin 16 is ensured.
  • the connecting pins 16 are formed of ⁇ - ⁇ titanium alloy (64 titanium alloy) where aluminum (Al) and vanadium (V) have been mixed at a ratio of about 6:4.
  • the connecting pins 16 have properties of both ⁇ titanium alloy and ⁇ titanium alloy, in which ductility and strength are especially well-balanced.
  • the strength and the corrosion resistance level are further increased.
  • connection member 12 or 20 is used to attach the buckle 10 to the other end section 5 b of the first band main body 5 on the twelve o'clock side.
  • the present invention is not limited thereto.
  • a structure may be adopted in which the connection member 12 in the first embodiment or the connection member 20 in the second embodiment is used in place of the screw member 9 on the twelve o'clock side which attaches the first band main body 5 on the twelve o'clock side to the band attachment section 4 on the twelve o'clock side of the wristwatch case 1 , or the screw member 9 on the six o'clock side which attaches the second band main body 6 on the six o'clock side to the band attachment section 4 on the six o'clock side of the wristwatch case 1 .
  • the first band main body 5 and the second band main body 6 are formed of a synthetic resin such as synthetic leather or urethane resin.
  • the present invention is not limited thereto.
  • a structure may be adopted in which the above-described bands are metal bands 24 including a first band main body 25 and a second band main body 26 , as shown in a modification example of FIG. 5 .
  • the first band main body 25 and the second band main body 26 have structures where a plurality of metal band pieces 27 have been sequentially connected by the connection member 12 in the first embodiment being plurally used or the connection member 20 in the second embodiment being plurally used, as shown in FIG. 5 .
  • a metal connection fitting 28 which connects an end of the first band main body 25 and an end of the second band main body 26 to each other is attached to the first band main body 25 and the second band main body 26 by the connection member 12 in the first embodiment being plurally used or the connection member 20 in the second embodiment being plurally used.
  • connection member 12 in the first embodiment or the connection member 20 in the second embodiment may be used in place of the screw member 9 on the twelve o'clock side which attaches the first band main body 25 on the twelve o'clock side to the band attachment section 4 on the twelve o'clock side of the wristwatch case 1 , or the screw member 9 on the six o'clock side which attaches the second band main body 26 on the six o'clock side to the band attachment section 4 on the six o'clock side of the wristwatch case 1 .
  • the locking pin 14 of the buckle 10 includes the two pin lock sections 14 a , and the plurality of band holes 6 c into which the two pin lock sections 14 a are inserted is formed in two lines in the second band main body 6 while extending in the longitudinal direction.
  • the present invention is not limited thereto.
  • a structure may be adopted in which the locking pin 14 of the buckle 10 includes only one pin lock section, and the plurality of band holes 6 c into which this one pin lock section is inserted is formed in a line in the second band main body 6 while extending in the longitudinal direction.
  • the cross-sectional shape of the cylindrical member 15 in the first embodiment and the cross-sectional shape of the cylindrical member 21 in the second embodiment are circular.
  • the cross-sectional shape of the cylindrical member 15 or 21 is not necessarily required to be circular, and may be polygonal such as quadrilateral, pentagonal, and hexagonal.
  • the spring members 17 and 22 are formed of ⁇ titanium alloy.
  • the present invention is not limited thereto, and the material of the spring members 17 and 22 may be any material as long as its corrosion resistance level is high.
  • the spring members 17 and 22 may be formed using gold, platinum, chromium, etc.
  • the present invention has been applied to in a wristwatch.
  • the present invention is not limited thereto, and the specific configuration, structure, and positional relationship shown in the first embodiment, the second embodiment, and the modification example may be appropriately changed within the scope of the present invention.
  • the present invention is not necessarily required to be applied in wristwatches and may be applied in bands for clothes, handbags, and briefcases.

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US18/664,891 2023-05-25 2024-05-15 Connection member, band and timepiece Pending US20240389721A1 (en)

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JP2023086011A JP7786020B2 (ja) 2023-05-25 2023-05-25 連結部材、バンドおよび時計
JP2023-086011 2023-05-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1116855S1 (en) * 2022-05-24 2026-03-10 Anhui Huami Health Technology Co., Ltd. Watch

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH684728B5 (fr) * 1992-12-15 1995-06-15 Mauboussin Sa Dispositif de fixation rapide d'un bracelet.
CH690800A5 (fr) * 1996-03-18 2001-01-15 Francis Bourquin Dispositif de fixation amovible d'un bracelet à une boîte de montre.
JPH1030159A (ja) * 1996-07-19 1998-02-03 Beroozu Kuze:Kk ベローズの製造方法
JP2000023718A (ja) * 1998-07-10 2000-01-25 Hitachi Metals Ltd 腕時計枠もしくは腕時計用バンドまたはそれらの付属品
JP4151132B2 (ja) * 1998-10-30 2008-09-17 セイコーエプソン株式会社 腕時計用バンドの製造方法
JP2006089803A (ja) * 2004-09-24 2006-04-06 Kobe Steel Ltd 超弾性チタン合金及びその製造方法
JP2006183112A (ja) * 2004-12-28 2006-07-13 Nec Tokin Corp 連結ピン
JP4933936B2 (ja) * 2007-03-30 2012-05-16 株式会社フジキン 圧電素子駆動式制御弁
JP2015210449A (ja) * 2014-04-28 2015-11-24 キヤノン電子株式会社 振動素子、光走査装置、画像形成装置、画像投影装置および光学パターン読み取り装置
JP6984472B2 (ja) * 2018-02-14 2021-12-22 セイコーエプソン株式会社 時計
JP2023002468A (ja) * 2021-06-22 2023-01-10 株式会社パイロットコーポレーション 筆記具およびペン部材

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD1116855S1 (en) * 2022-05-24 2026-03-10 Anhui Huami Health Technology Co., Ltd. Watch
USD1119657S1 (en) 2022-05-24 2026-03-24 Anhui Huami Health Technology Co., Ltd. Watch

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JP2026015596A (ja) 2026-01-29
JP7786020B2 (ja) 2025-12-16
JP2024168937A (ja) 2024-12-05

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