WO1998042227A1

WO1998042227A1 - Wrist watch

Info

Publication number: WO1998042227A1
Application number: PCT/JP1998/001329
Authority: WO
Inventors: Hiroshi Yamazaki; Masahiko Saruta
Original assignee: Citizen Watch Co., Ltd.
Priority date: 1997-03-26
Filing date: 1998-03-25
Publication date: 1998-10-01
Also published as: JP3964492B2; EP0945083A4; EP0945083A1; CN1220585A; JPH10262710A; TW362961B

Abstract

Strap fixing members (14), by which a flexible strap is fixed to the opposite positions of both sides of a watch case, comprise case-side upper joint portions (15) having holes extending laterally with respect to the longitudinal axis of the strap, and case-side lower joint portions (16), the strap being provided with strap-side upper joint portions (21) having lateral holes and strap-side lower joint portions (22). Spring rods (28) and split pipes (29) are inserted into these holes. The strap-side upper joint portions are fixed to the case-side upper joint portions, and the strap-side lower joint portions to the case-side lower joint portions, whereby the watch case and strap are retained in a closely contacting state.

Description

Written arm clock

Technical field

The present invention relates to a watch, and more particularly to a watch band mounting structure for mounting a band to a band mounting portion provided at a position opposite to both sides of a watch case.

Background art

As a conventional mounting structure for a watch band of this type, there is a technique disclosed in Japanese Utility Model Laid-Open Publication No. 55-157417. As shown in FIG. 7, the mounting structure of the watch band includes band mounting portions 51 projecting obliquely downward on both sides of the watch case 50. The band mounting portion 51 includes a pair of band mounting portions. It consists of a mounting leg 52 and an eave portion 53 formed on the upper portion thereof, and a locking hole 54 is formed in each of the mounting legs 52. The node 55 is made of plastic, and has a connecting portion 56 formed at its base end as shown in FIG. The connecting portion 561 includes a projecting portion 57 that contacts the lower surface of the eave portion 53 and the outer peripheral portion of the watch case 50, and a contact portion 5 that contacts the back cover 58 attached to the watch case 50. Consists of nine. Further, the connecting portion 56 is provided with a connecting hole 60.

Then, with the panel rod 61 passed through the connecting hole 60 of the connecting portion 56, the connecting portion 56 is inserted between the pair of mounting legs 52, and the projecting portion 57 of the connecting portion 56 is inserted. The lower surface of the eaves portion 53 is brought into contact with the outer periphery of the watch case 50, and the contact portions 5, 9 are brought into contact with the back cover 58, and the pivots at both ends of the panel rod 61 are locked. The band 55 is locked to the hole 54 and the band 55 is mounted on the band mounting portion 51.

In the conventional watch band mounting structure described above, if a strong force is applied to the band 55 in the direction of the arrow in FIG. 7 when the wristwatch is worn on the wrist, the end of the band 55 and the watch A gap P is formed between the case 50 and the eaves 53 of the case 50, resulting in a poor appearance. Also, since the contact portion 59 of the band 55 contacts the back cover 58, the back cover 58 cannot be removed unless the band 55 is detached from the band mounting portion 51. Workability is poor when replacing or repairing modules. Another problem is that the leather band cannot be attached to the watch case without any gaps.

The object of the present invention is that even if a strong force is applied to the band, An object of the present invention is to provide a wristwatch with no gap. Another object of the present invention is to provide a wristwatch which can be attached to a leather band, can be attached to a watch case without a gap, and can be detached from the back cover without removing the band.

Disclosure of the invention

The present invention relates to a wristwatch having a band attachment portion for attaching a flexible band to opposing positions on both sides of a watch case, wherein the band attachment portion has a case-side upper connection portion each having a lateral hole in the band longitudinal direction. And a band-side lower connecting portion provided on the band and each having a horizontal hole, and a band-side lower connecting portion inserted into each of the holes. And a locking member for attaching the band-side lower connecting portion to the case-side lower connecting portion, respectively, and holds the watch case and the band in close contact with each other. It is characterized by doing.

When the wristwatch is worn on the wrist, the band is pulled inward by applying force to the band, but the band is connected to the upper connecting part on the band side and the lower connecting part on the case side. Is attached to the lower connecting portion of the case by a locking member, so that no tensile force is applied to the end of the band. Therefore, there is no gap between the end of the band and the outer peripheral surface of the watch case, and the appearance quality is not impaired. The band-side upper connecting portion and the band-side lower connecting portion are formed on the band respectively. I have. The band-side upper connecting portion may be formed as a cover member having a band guide inserted through the band.

The case-side lower connecting part is located outside the case-side upper connecting part with respect to the outer peripheral wall of the watch case. Further, the lower part on the band side is located outside of the upper connecting part on the band side with respect to the outer peripheral wall of the watch case.

At least one of the case-side upper connection portion and the case-side lower connection portion is covered with the band.

The locking member is a panel stick.

Furthermore, the band is configured so as not to contact the lower surface of the back cover of the watch case. The case-side upper connecting portion is covered with the cover member. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a side view, partly in section, of a wristwatch having a watch band mounting structure according to a first embodiment of the present invention, FIG. 2 is a perspective view of the watch band mounting structure in an exploded state, and FIG. FIG. 4 is a perspective view of the back side of the end of the band, FIG. 4 is a partially sectional side view of a wristwatch having a watch band mounting structure according to a second embodiment of the present invention, and FIG. FIG. 6 is a perspective view of the band mounting structure in an exploded state, FIG. 6 is a perspective view of the band end and the back of the cover member, FIG. 7 is a cross-sectional view of the conventional watch band mounting structure, and FIG. It is a perspective view of the end part of a band.

BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

A first embodiment of the present invention will be described with reference to FIGS.

The watch case 1 of the wristwatch A includes a body 2, a bezel 3, and a glass edge member 4. A module 5 is housed in the torso 2, and a windshield 6 is fitted to the upper opening 2 a of the chest 2 via a packing 7, and the upper surface of the torso 2 prevents the packing 7 from coming off. The buckle 4 is held by the bezel 3. Then, a letter plate 8 is provided on the upper surface of the module 5. Further, a back cover 10 is attached to the lower opening 2b side of the body 2 with a plurality of screws.

As shown in FIG. 2, a band mounting portion:! 4 are formed, and each band mounting portion 14 includes a case-side upper connecting portion 15 and a case-side lower connecting portion 16. The case-side upper connecting portion 15 includes a protrusion 9 extending in parallel with the axis of the wristwatch A, and a connection hole 17 is formed in the protrusion 9. The case-side lower connecting portion 16 is composed of a pair of projecting portions 16A projecting obliquely downward, and the projecting portions 16A are formed with connecting holes 18 respectively.

Therefore, the connecting hole 17 of the case-side upper connecting portion 15 is located above the connecting hole 18 of the case-side lower connecting portion 16, and the connecting hole 18 of the case-side lower connecting portion 16 is connected to the body 2. Is located outside of the connection hole 17 with respect to the outer wall of the.

The band 20 is made of a synthetic tree JJ such as urethane, and as shown in FIG. 3, the end of the end 20 A is formed in an arc shape contacting the surface with the same curvature as the outer periphery of the bezel 3. The contact surface 20c of the band 20c is formed. And a lower connecting portion 22 on the side of the housing.

The band-side upper connecting portion 21 has a pair of projecting portions 23 that are separated in the lateral direction with respect to the longitudinal direction of the band, and connecting holes 24 are formed in these projecting portions 23, respectively. The projection 23 is adjacent to the contact surface 20 c, and an insertion recess 23 A is formed between the projections 23, and the insertion recess 23 A is formed on the case side of the connecting portion 15. The projection 9 is curved so that the arcuate outer surface of the projection 9 abuts.

The band-side lower connecting portion 22 has a protruding portion 25 that is long in the lateral direction of the band, and a connecting hole 26 is formed in the protruding portion 25 in the lateral direction of the band. The distance between the connecting hole 24 and the connecting hole 26 is located farther from the surface 20 c in the band longitudinal direction, and the distance between the connecting hole 17 of the case-side upper connecting portion 15 and the case-side lower connecting It is equal to the distance between the connection hole 18 of the part 16. The length of the protrusion 25 in the band lateral direction is slightly smaller than the width between the pair of protrusions 16A of the case-side lower connecting portion 16. Also, a pair of projections 23 of the band-side upper connecting portion 21 were formed; a pair of | g holes 24 was formed on the side surface 2a of the band 20; It communicates with 7.

Further, as shown in FIG. 1, the node 20 is configured so as not to hang on the lower surface of the back cover 10.

Next, a method of attaching the band 20 to the watch case 1 will be described. A spring rod 28 is inserted into the connecting hole 26 of the band-side lower connecting portion 22 of the band 20, and the projection 25 of the band-side lower connecting portion 22 is connected to the pair of the case-side lower connecting portions 16. Between the protrusions 16A of the spring rod 28, and the pivots 28A at both ends of the spring rod 28 are locked in the connection holes 18 of the protrusion 16A. Next, the projections 9 of the case-side upper connection portion 15 are inserted into the concave portions 23 A between the pair of projections 23 of the band-side upper connection portion 21 of the band 20, and the connection holes 17 and 4 Match each other. In this state, insert the split pipe 29 into the connection holes 17 and 24, and insert the head pin 30 into the stepped pin hole 27 on the side surface 20a of the band 20. The band 20 is attached to the band attaching portion 14 by inserting the glaze portion 30 a of the headed pin 30 into the end of the pipe 29 by inserting from the side. In this state, the contact surface 20 c of the end 2 OA of the terminal 20 is closely attached to the outer peripheral surface of the bezel 3, and the arc-shaped outer surface of the case-side upper connecting portion 15 is inserted into the insertion recess 2. 3 Close contact with A, protrusion The outer surface of the portion 16A is adhered to the protruding contact surface portion 20d on the back surface of the end portion 20A of the band 20. In this case, as shown in FIG. 1, the protruding portion 25 of the band-side lower connecting portion 22 is formed so as not to contact the lower surface of the back cover 10. Therefore, the back cover 1 取り外し can be removed without removing the band 20.

When wristwatch Α is worn on the wrist, band 20 is pulled by applying a force to band 20 in the direction of the arrow shown in FIG. However, since the band 20 is attached to the band mounting portion 14 by two locking members having different mounting positions, that is, the split pipe 29 and the panel rod 28, the band 20 has an end. Part 2 No tension is applied to OA. Therefore, there is no gap between the contact surface 20c of the end portion 2OA of the band 20 and the outer peripheral surface of the bezel 3. For this reason, there is no decrease in appearance quality.

A second embodiment of the watch band mounting structure according to the present invention will be described with reference to FIGS.

The second embodiment is adapted to be applied to a leather band. Since the band mounting portion 14 provided on the outer peripheral portion of the body 2 of the watch case 1 is the same as in the first embodiment, the same reference numerals are given to the band mounting portion 14, and the description will be omitted.

The tip 31 is made of leather and has a width that fits between the pair of projections 16 A of the case-side lower connecting portion 16. The end 31 A of the band S 1 (FIG. 4) has A connection hole 32 (FIG. 6) is formed in the lateral direction of the band. A step portion 33 is formed on the back surface of the end portion 31A at a predetermined distance from the connection hole 32 in the longitudinal direction of the band, and is thin. A cover member 34 is attached to the band. The cover member 34 is made of a synthetic resin such as urethane, and has an arc-shaped contact surface 35 that is in contact with the outer peripheral surface of the bezel 3 at one end 34 c of the back surface. A band-side upper connecting portion 36 and a band passing portion 37 are formed.

The band-side upper connecting portion 36 has a pair of protrusions 38 spaced apart from each other in the lateral direction of the band, and these protrusions 38 are formed with connecting holes 39 in the lateral direction. An insertion recess 40 is formed between the projections 38, and the insertion recess 40 is curved so that the arc-shaped outer surface of the case-side upper connecting portion 15 contacts. The connecting hole 39 is a stepped pin hole 41 formed on the side surface 34 a of the cover member 34. The band passing portion 37 is formed at the other end 34 b of the cover member 34 by a force-par portion. The band guide 37 is formed integrally with the side surface 34a of the member 34, and includes the band passing portion 37 and the side surface 34a of the cover member 34.

Next, a method of attaching the band to the case will be described. Pass the front end of the band 31 from the cover member 3 4 through the band guide 37A. Subsequently, a spring rod 42 is inserted into the connection hole 32 of the band 31, and the end 31 A of the band 31 is inserted between the pair of protrusions 16 A of the case-side lower connection portion 16. The band 31 is attached to the band attachment portion 14 by inserting the pivots 42 A at both ends of the spring bar 42 into the connection holes 18 of the protrusion 16 A. Next, the cover member 34 is moved toward the end 31 A of the band 31, and the projecting portion 40 of the case-side upper connecting portion 15 is inserted into the insertion recess 40 of the band-side upper connecting portion 36. 9 is inserted so that the connecting hole 39 matches the connecting hole 17. In this state, connecting hole 1? And connection hole

Insert the split pipe 4 3 into 3 9 and insert the headed pins 4 4 into the stepped pin holes 4 1 formed on both sides 3 4 a of the cover member 3. Shaft 4

4 Press the a into the end of the split pipe 4 3 and press the cover member 3 4 into the band mounting section 1 4 to attach the band to the case 1 _u

At this time, the contact surface 35 of the cover member 34 is in close contact with the outer peripheral surface of the bezel 3, and the arc-shaped outer surface of the projection 9 of the case-side upper connecting portion 15 is in close contact with the insertion recess 40. Since the end 31 A of the band 31 is not in contact with the back cover 10, the back cover 10 can be removed without removing the band 31.

As described above, even if it is a leather band 31, the watch case can be obtained by passing the band 31 from the band guide 37 A of the member 34 and holding it with the cover member 34. It can be attached to one band attachment part 14. In this case, the cover member

Since 3 4 does not receive the force acting on the band 31, there is no gap between the contact surface 35 of the cover member 4 and the outer peripheral surface of the bezel 3.

In the above-described embodiment, the case-side upper connecting portion 15 is constituted by one protrusion 9 and the case-side lower connecting portion 16 is constituted by a pair of protrusions: L 6 A. The part 15 may be composed of two projections, and the case-side lower connecting part 16 may be composed of one projection. As the locking members, spring rods 28, 42 and split pipe 29,

Not only 4 but also pins and hairpins may be used.

Industrial applicability According to the present invention, since the band is attached to the band attaching portion by two locking members having different attaching positions, the band is not affected by the end pulling force of the band when the wristwatch is attached. There is no gap between the end of the band and the outer peripheral surface of the watch case, and the appearance quality is not impaired.

In addition, since a general leather band is passed through the hand guide of the cover member and held by the cover member, it can be attached to the band mounting portion of the watch case. Further, since the cover member does not receive the tensile force acting on the band, no gap is formed between the cover member and the watch case.

In addition, since the band does not hold the back cover, batteries can be replaced without removing the band and without removing the back cover.

Claims

The scope of the claims

1. In a wristwatch having a band attaching portion for attaching a flexible band to opposing positions on both sides of a watch case,

The band mounting portion comprises a case-side upper connection portion and a case-side lower connection portion each having a hole in the lateral direction in the band longitudinal direction,

A band-side upper connecting portion and a band-side lower connecting portion, each provided on the band, and each having a horizontal hole;

A locking member inserted into each of the holes, the band-side upper connecting portion being attached to the case-side upper connecting portion, the band-side lower connecting portion being attached to the case-side lower connecting portion, and the watch case and the band. A wrist watch that is kept in close contact.

2. The wristwatch according to claim 1, wherein the band-side upper connecting portion and the band-side lower connecting portion are each formed in a band.

3. The wristwatch according to claim 1, wherein the band-side upper connecting portion is formed in a cover member having a band guide passed through the band.

4. The case-side lower connecting portion, wherein the case-side lower connecting portion is located outwardly of the outer peripheral wall of the watch case from the case-side upper connecting portion. Wristwatch described.

5. The wristwatch according to claim 1, wherein the band-side lower connecting portion is located outside the outer peripheral wall of the watch case from the band-side upper connecting portion.

6. The wristwatch according to claim 1, wherein at least one of the case-side upper connection portion and the case-side lower connection portion is covered by the band.

7. The arm according to claim 1, wherein the locking member is a panel stick.

8. The wristwatch according to claim 1, wherein the locking member is a split pipe.

9. The wristwatch according to claim 1, wherein the locking member is a pin or a hair pin.

10. The wristwatch according to claim 1, wherein the band is configured so as not to contact the lower surface of the back cover of the watch case.

1 1. The wristwatch according to claim 3, wherein the case-side upper connecting portion is covered by the cover member.