JP2012211864A - Wristwatch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wristwatch that excels in mechanical strength and enables the user to easily make its time indicating part visible outside the sleeve as required without having to roll up the sleeve and thereby to safely know the time.SOLUTION: A wristwatch comprises a watch body having a time indicating part and a strap supporting the watch body, which can turn horizontally relative to the strap. The watch can be in one of two states including a normal state in which the lengthwise direction of the strap is the same as the 12-to-6 direction of the time indicating part and an inclined state in which the 12-to-6 direction of the time indicating part is at a prescribed angle to the lengthwise direction of the strap. In the inclined state, at least part of the time indicating part protrudes in the widthwise direction of the strap. As a result, the user is enabled to look at the time indicating part at any time without having to roll up the sleeve, and at other times, if the time indicating part is directed in series in the lengthwise direction of the strap in the sleeve, the motions of his or her wrist would not be obstructed or the watch would not be caught by the sleeve when the user puts on or off the jacket.

Description

  The present invention relates to a wristwatch that displays time.

  Conventionally, a wristwatch includes a watch body and a band for displaying time. The watch body is supported by the band and is located at the center of the wrist, and is installed in parallel along the longitudinal direction of the band. Usually, in order to check the time, when wearing long-sleeved clothes, it is necessary to raise the cuffs and look into the time display unit. However, depending on the case, this operation may be troublesome or may not be in time when an instantaneous determination is required. Therefore, Patent Document 1 and Patent Document 2 propose wristwatches that can be easily viewed without requiring an operation of rolling up the cuffs, simply by looking at the time display unit from the cuffs in advance and turning the line of sight. Yes.

Japanese Utility Model Publication No. 57-89974 (1st page, Fig. 1-4) Japanese Patent Laid-Open No. 5-232253 (page 3, Fig. 1-3)

However, in the wristwatch described in Patent Document 1, there is a problem that the time display unit interferes with the wrist movement except for the work time for viewing the time, and the sleeve is caught when the clothes are attached or detached. In addition, the wristwatch described in Patent Document 2 can store the watch body except when necessary, but in that case, the watch body is moved in the direction in which the cuffs are widened. It is necessary to hit the cuffs. In addition, since the hinge or the slide type movable part connected to the watch body has poor mechanical strength, the watch body can be easily detached and damaged when subjected to a strong impact from the outside.
As described above, in some conventional wristwatches, there is a watch that allows the time display part of the watch body to be viewed in advance from the cuffs. However, there are practically inconvenient issues in daily life. .

  The present invention has been made in view of the above-described problems of the prior art, and provides a wristwatch that is excellent in mechanical strength and that allows a time display unit to be easily seen from a cuff as needed. With the goal.

  The wristwatch of the present invention is a wristwatch having a timepiece main body having a time display unit and a band for supporting the timepiece main body, and the timepiece main body can be rotated horizontally with respect to the band. The normal state in which the 12 o'clock to 6 o'clock directions coincide with each other and the inclined state in which the 12 o'clock to 6 o'clock direction of the time display unit has a predetermined angle with respect to the longitudinal direction of the band, At least a part of the display portion protrudes in the width direction of the band.

  According to the present invention, the timepiece main body having the time display portion can be rotated and fixed in a fan shape. Therefore, if necessary, the time display can be easily viewed without raising the cuffs, and if it is otherwise installed parallel to the longitudinal direction of the band in the cuffs, it will not interfere with wrist movement. In addition, it will not get caught in the cuffs when attaching or detaching clothes.

  In addition, the watch body is connected via a shaft on the pedestal that is part of the watch band, and only rotates and moves in a fan shape. Therefore, the watch body has higher mechanical strength than a hinge or slide-type moving part. Therefore, it is possible to provide a wristwatch in which the watch body is not easily detached or damaged by a strong impact from the watch.

  Furthermore, the wristwatch of the present invention is excellent in design, and if a decorative product is installed alongside the time display portion on the surface of the watch body, there is also a decorative effect as an accessory. Furthermore, by incorporating a solar battery into the watch body, it is possible to provide a watch that does not require battery replacement.

It is the external appearance perspective view and top view for demonstrating the function of the wristwatch of this invention. It is an external appearance perspective view which shows the structure of the timepiece main body of the wristwatch of this invention. It is an external appearance perspective view which shows the structure of the band of the wristwatch of this invention. It is an external appearance perspective view for demonstrating the relationship between the timepiece main body of the wristwatch of this invention, and a band. It is a schematic cross section for demonstrating the relationship between the timepiece main body and band of the wristwatch of the present invention. It is a top view which shows the usage example of the wristwatch of this invention. It is an external appearance perspective view which shows the other Example of the wristwatch of this invention. It is an external appearance perspective view which shows the other Example of the wristwatch of this invention.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of the drawings, the same or equivalent elements will be denoted by the same reference numerals, and redundant description will be omitted.

Example 1
FIG. 1 is an external perspective view and a plan view of a wristwatch according to Embodiment 1 of the present invention. FIG. 2 is an external perspective view showing a watch body structure according to the first embodiment of the present invention. FIG. 3 is an external perspective view showing the band structure of the wristwatch according to the first embodiment of the present invention. FIG. 4 is an external perspective view showing the relationship between the watch body and the band of the wristwatch according to the first embodiment of the present invention. FIG. 5 is a schematic cross-sectional view showing the relationship between the watch body and the band of the wristwatch of Example 1 of the present invention. FIG. 6 is a plan view showing a usage example of the wristwatch according to the first embodiment of the present invention.

  First, the configuration of the wristwatch according to the first embodiment will be described. As shown in FIG. 1, the wristwatch of the first embodiment includes a watch body 10 having a time display unit 30 on the surface and a band 20 that supports the watch body 10, and the watch body 10 is a part of the band 20. It can rotate horizontally in a circular arc shape with respect to the surface of a certain piece 23 and can be fixed at a predetermined position. FIG. 1A shows a normal state before the rotation, and the band 20 is fixed so that the longitudinal direction of the band 20 coincides with the 12 o'clock to 6 o'clock direction of the time display unit 30. In this state, when wearing long-sleeved clothes, the watch body 10 is hidden in the long-sleeved clothes and the time cannot be known instantaneously. FIG. 5B shows a state in which the time display unit 30 is tilted at a predetermined angle with respect to the longitudinal direction of the band 20 at a predetermined angle. At this time, at least a part of the time display unit 30 is The band 20 protrudes in the width direction. In this state, it is possible to look at the time display unit 30 from the long sleeve, and it is possible to easily know the time only by turning the line of sight to the wrist portion without squeezing the cuffs even during work. FIG. 4C is a plan view of FIG. 2B as viewed from above, and it can be seen that the watch body 10 rotates horizontally in an arc shape and is fixed in an inclined manner.

  Next, each component of the wristwatch according to the first embodiment will be described. FIG. 2 shows a timepiece main body 10, and an arcuate groove 11 for defining a rotation range of the timepiece main body 10 that rotates in a horizontal direction and a rotatable shaft are fitted on the back surface of the timepiece main body 10. A hole 12 is provided. FIG. 3 shows the band 20 of the first embodiment. A piece 23 of the band 20 includes a rotatable shaft 22 for attaching the watch body 10 and a protrusion 21 that engages with the arc-shaped groove 11. Have.

  Next, a specific configuration of the protrusion 21 and the rotatable shaft 22 and a combined structure of the watch body 10 and the band 20 will be described with reference to FIGS. 4 and 5. That is, the bearing 24 is accommodated in the hole 28 of the piece 23, the rotatable shaft 22 is inserted from the upper surface side of the hole, the screw 25 is inserted from the lower surface side of the hole, and the screw 25 is screwed onto the shaft 22. Thus, the shaft 22 is rotatably held by the bearing 24. The bearing 24 holding the shaft 22 is housed and fixed in the hole 28 by a cap 26 screwed into the hole 28.

Next, the protrusion 21 employs an elastic pivot that presses against the bottom surface of the arc-shaped groove 11. As shown in FIG. 5, the protrusion 21 is housed and disposed in the hole 29 of the piece 23 from the lower surface side, and is housed and fixed in the hole 29 by a fixing screw 27 screwed into the hole 29.
A rotatable shaft 22 is press-fitted and fixed to a hole 12 provided on the lower surface of the watch body 10, and the protrusion 21 is engaged with the arc-shaped groove 11. As shown in FIG. 2, the elastic pivot of the projection 21 is fitted on the bottom surface of the arc-shaped groove 11 and has concave portions 13 and 14 for positioning the watch body 10 at a predetermined horizontal angle position.

  By adopting the above configuration, the wristwatch of the first embodiment has a normal time in which the time display unit 30 corresponds to the 12: 00-6 o'clock direction with respect to the longitudinal direction of the band 20 as shown in FIG. It is possible to switch between the state and the inclined state in which the 12 o'clock to 6 o'clock direction of the time display unit 30 has a predetermined angle with respect to the longitudinal direction of the band 20. In the inclined state, at least a part of the time display unit 30 can protrude and be fixed in the width direction of the band 20. Therefore, as can be seen from the usage example of the wristwatch of the first embodiment in FIG. 6, the time display unit 30 can be seen from the cuff 200. Further, the rotatable shaft 22, the arc-shaped groove 11 and the protrusion 21 have higher mechanical strength than the conventional hinge or slide type, and the watch body can be easily detached or damaged by a strong external impact. It is a structure that is difficult to do. Further, the angle that can be rotated in an arc shape is arbitrary, but the angle formed by the longitudinal direction of the band and the 12 o'clock to 6 o'clock direction from the angle of the arm and the line of sight at the time of work is suitably around 45 degrees.

  The rotatable shaft 22 is preferably provided at a position off the center of the time display unit 30. For example, in the case of an analog timepiece, the position deviates from the center of rotation of the hands, and in the case of a digital timepiece, the position deviates from the center of the digital display device. In the first embodiment, by providing the hole 12 for fitting the rotatable shaft 22 in the lower part of the back surface of the timepiece main body 10 away from the time display unit 30, the time display unit 30 can be connected to the band at a smaller angle. It protrudes greatly in the width direction, making it possible to see through the cuffs.

  Further, as shown in FIG. 5, the rotatable shaft 22 and the protrusion 21 are provided at a position avoiding the back cover 60 for housing the timepiece movement. By adopting this structure, if the watch body 10 is tilted, the band 20 does not interfere with the back cover 60 during battery replacement, and the battery can be easily replaced.

  Further, in the first embodiment, the piece 23 that is a part of the band 20 is penetrated and the protrusion 21 is protruded. However, the present invention is not limited to this, and the protrusion 21 is formed on either the watch body 10 or the band 20. May be provided, and the arc-shaped groove 11 may be provided on the other side.

(Example 2)
FIG. 7 shows a second embodiment of the wristwatch of the present invention. That is, using a vacant area removed from the time display unit 30 on the surface of the watch body 10, jewelry such as diamonds and pyroxenes is installed to provide a function as a decoration. In FIG. 7, the decorative member 40 is installed in the lower part of the watch body 10 that is removed from the time display unit 30. As described above, the wristwatch of the present invention can be decorated to improve the design, and if the decorative member 40 is provided along with the time display unit 30 on the surface of the watch body 10, the decorative effect as an accessory can be obtained. It can be demonstrated.

(Example 3)
FIG. 8 shows a third embodiment of the wristwatch of the present invention. In other words, by incorporating the solar cell 50 using a vacant area removed from the time display unit 30 on the surface of the watch body 10, a wristwatch that does not require battery replacement is enabled. In the present embodiment, the solar cell 50 that receives light on the surface is shown, but the present invention is not limited to this.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to this embodiment. For example, in the first embodiment, the hole 12 for fitting the rotatable shaft 22 is provided in the lower part of the back surface of the watch body 10 away from the time display unit 30, but is not limited thereto. A hole 12 may be provided in the lid 60. Further, if a radio wave receiving antenna is built in the watch body 10, it is possible to provide a time correction function. In addition, various functions can be added using the watch body 10. Furthermore, although the time display unit 30 of the present invention is an analog display, it may be a digital display.

DESCRIPTION OF SYMBOLS 10 Watch body 11 Arc-shaped groove 12 Holes 13 and 14 for attaching a rotatable shaft Recess 20 Band 21 Projection 22 Rotating shaft 24 Bearing 30 Time display unit 40 Decoration member 50 Solar cell 60 Back cover 100 Hand 200 Cuff

Claims (7)

In a watch having a timepiece main body having a time display unit and a band supporting the timepiece main body, the timepiece main body rotates horizontally with respect to the band, and at least a part of the time display unit is in the width direction of the band. A wristwatch characterized by having a state of projecting to the top. The watch body and the band are coupled via a rotatable shaft, and a protrusion is provided on one of the watch body and the band, and the other is engaged with the protrusion to define a rotation range. The wristwatch according to claim 1, wherein a fan-shaped groove is provided. The wristwatch according to claim 1 or 2, wherein the rotatable shaft is provided at a position deviated from the time display unit. 3. The timepiece main body has a back cover for storing a timepiece movement, and the rotatable shaft and the protrusion are provided at a position away from the back cover. The listed watch. The wristwatch according to claim 1 or 2, wherein the protrusion is an elastic pivot that presses against the bottom surface of the groove, and the bottom surface of the groove has a recess for positioning the elastic pivot. The wristwatch according to claim 1 or 2, wherein a decoration member is attached to a surface of the timepiece main body. The wristwatch according to claim 1 or 2, wherein a solar cell is incorporated on a surface of the watch body.

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