JPH0122509Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a jig used when connecting a watch case and a band. The purpose of this is to prepare a very small C-ring, to obtain a jig that can insert and pick up the prepared C-ring, insert it into the mounting pin, and push it in. This is used to connect the watch and the band. The goal is to streamline the process.

An example will be described below. In order to make a fixing C-ring 1 (cylindrical with one cut between the open ends) into a rigid shape, a rectangular shape with a plurality of funnel-shaped hard holes 2 arranged side by side is used. A parallel shaft 5 fixed at one end and having four windings of two springs extends from the side of a fixed gripping member 6, and a gripping member 6' that slides wide and narrow by fitting into both shafts 5. For installation, a rod 8 with a tapered step 8' for inserting and picking up the C-ring 1 was attached to one inner end, and a pushing rod 9 was attached opposite to the other. In a connection structure in which a recess 13 of a watch band 12 is fitted into a protrusion 11 of a watch case 10 and a mounting pin 7 is inserted into a communicating pin hole 14, a plurality of funnel-shaped hard holes 2 are arranged in parallel. Place the C-rings 1 one by one into each hole 2 of the rectangular pedestal 3, and fit them along the hard holes 2 by shaking or other guidance to shape the C-rings 1 into a solid shape, and then construct the jig. The rod 8 attached to one of the gripping members 6, 6' is inserted into the hard hole 2, the C-ring 1 is inserted and picked up, and the rod 8 is inserted into the tip of the mounting pin 7 and transferred. In order to insert and pick up and transfer the C-ring 1, a short and small tapered stepped part 8' having a thickness that allows the C-ring 1 to be closely fitted is provided at the tip of the rod 8, and the mounting pin 7 spreads out the C-ring 1 and inserts it. This can be done smoothly by making it thicker than the tapered step portion 8'.
Next, turn over the jig being gripped, insert the pushing rod 9, slide the gripping tool 6' inward toward the C-ring 1, and push the C-ring 1 with the rod 9. It makes it take root.

In this way, the extremely small C-ring 1 can be shaped into a solid shape by first placing it on the holder 3, and then inserting it with the rod 8, picking it up, transferring it to the mounting pin 7, and pushing it in. This has the effect of making it possible to connect the watch case and watch band extremely efficiently.

[Brief explanation of the drawing]

Figure 1 is a plan view of the jig and cradle, Figure 2 is a partially longitudinal front view showing how the jig is used to insert and pick up the C-ring, and Figure 3 is a mounting pin inserted between the watch case and watch band. Fig. 4 is a partial cross-sectional plan view showing the C-ring being transferred, and Fig. 5 is a partial cross-sectional plan view showing the pressed state, and Fig. 5 shows the rod of the jig used to pick up the C-ring in the cradle. Fig. 6 is an enlarged partial cross-sectional view of the C-ring being inserted into the mounting pin, Fig. 7 is an enlarged partial cross-sectional view of the C-ring being transferred to the mounting pin, and Fig. 7 is an enlarged view of the same when the C-ring is being inserted and fixed. Plan view, 1 is a C ring, 2 is a funnel-shaped hard hole, 3 is a pedestal, 4 is a spring, 5 is a shaft, 6, 6' are gripping members, 7
8 is a mounting pin, 8 is a rod for inserting, picking up and transferring, and 9 is a pushing rod.

Claims (1)

[Scope of utility model registration request] A pedestal 3 for the C-ring 1 in which a plurality of funnel-shaped hard holes 2 for shaping the fixing C-ring 1 into a rigid shape are arranged in parallel;
C in the pedestal 3 is placed inside one of the gripping members 6, 6' that slide wide and narrow while holding the shaft 5 wound with four springs.
A rod body 8 capable of inserting and picking up the ring 1 and inserting and picking up the C-ring 1 onto the end of the mounting pin 7 and transferring it.
A jig for connecting a watch and a band, characterized in that a rod 9 for pushing the C-ring 1 into the other gripping member is attached opposite to the rod 8.