JP2578098Y2 - Writing implement with seal - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a writing implement with a seal having a writing body on the front side and a seal on the rear side.

[0002]

2. Description of the Related Art Conventionally, there has been provided a knock operating portion comprising a cam groove, a knock bar, and a rotary cam member. Knock-type ballpoint pens that appear and disappear from the front are known. Further, there is also known a seal operation unit in which a seal unit is detachably mounted directly or via a holder so as to protrude from a rear end of a shaft cylinder.

[0003]

However, in the prior art, when the user grips the back of the barrel and makes a seal, the knocking operating part interlocks and the writing tip protrudes or sinks inadvertently from the tip end of the tip shaft. Is set to Then, this invention aims at solving such a defect.

[0004]

In order to achieve the above-mentioned object, a writing implement with a seal of the present invention devised to achieve the above-mentioned object has a knock operating portion disposed in an inner hole of a shaft cylinder and is interlocked with the knock operating portion. The stamp is provided in a state where the stamp face is appropriately protruded from the rear end of the barrel, and a writing body is disposed in front of the knock actuating portion, and the knocking operation is performed when the knock cover is fixed by covering the stamp face. The writing tip is a writing implement in which the writing tip is locked or pulled out from the tip end of the barrel and the core is fed out, and the knock actuating part does not interlock when the stamp surface advances within an appropriate range at the time of stamping, but interlocks with the subsequent advance. The stroke of the knock actuating part is provided so that the writing tip is not locked in the retracted state or the core is not extended even when the writing tip is advanced flush with the rear end of the barrel. I do.

[0005]

FIG. 1 shows an embodiment of the present invention. First,
As shown in the figure, the cap 1 is a cylindrical body, and is integrally provided with a front shaft portion 2 having an engaging portion 35 in front of the step portion 11 and a rear shaft portion 3 protruding inside the cylindrical body. A step 12 and a cam groove 3 are formed at the rear end of the rear shaft 3. A clip 13 is provided on the rear side surface of the cap 1.
A cam portion 5 formed on the front side of the knock bar 4 is fitted into the cam groove 3 so that the knock bar 4 is fitted to the rear shaft portion 3 so as to be movable back and forth. A rotary cam member 8 having a cam portion 9 that is in contact with the tip of the cam portion 5 is also provided to be in contact with the cam groove 3.

[0006] The knock actuating section having the above-described structure is formed in a manner similar to that widely known as a Kahn type knock mechanism. At the rear of the rotary cam member 8, a cylindrical shaft portion 8 # whose rear end is closed is extended, and the shaft portion 8 # is a center hole of the shaft portion 6 which also extends rearward of the knock rod 4. The rotary cam member 8 is fitted to the portion, and the rotating cam member 8 is axially shifted with respect to the knock bar 4 within an appropriate range, and is rotatable freely between the outer peripheral portion of the shaft portion 8 # and the center hole of the knock bar 4. And an engaging portion (not shown) for preventing the coming off, which is regulated by the contact between the convex portion and the convex portion. A groove 7 having an appropriate length is formed in the outer peripheral portion of the rear end of the shaft portion 6 of the knock rod 4.

The storage case 15 is provided with an engagement cylinder 16 at the front center of the flange 20, and is provided at the tip of the engagement cylinder 16 in opposition to a slit 22 provided at a predetermined position of the partition 21. Is provided with an engaging portion 14 having a projecting step.
In addition, a rib-shaped stepped portion 20 # is provided at a required portion outside the engagement cylinder portion 16 and in front of the flange portion 20. Also, the collar 20
At the rear end, there is an inner cylindrical portion 17 at the center and an outer cylindrical portion 18
And an engaging portion 19 is provided on a side surface of the outer cylindrical portion 18 and is formed of an integral resin molded product.

As described above, the storage case 15 is inserted into the inner hole of the cap 1, and the coil spring 10 is inserted between the step 11 of the cap 1 and the step 20 # of the storage case 15.
The engagement portion 14 of the engagement cylinder portion 16 is fitted and locked in the groove 7 of the knock bar 4 by elastic deformation between the knock bar 4 and the knock bar 4 and the storage case 15 are fixed. You. The storage case 15 slides with respect to the knock bar 4 within a range of an interval S between the tip of the engaging portion 14 and the tip of the groove 7.

A rear end of a writing body 39 such as a ball-point pen is mounted in an inner hole of the shaft portion 8 # of the rotary cam member 8, and a rear end of the writing body 39 is brought into contact with a crimp 41 formed in the tube 40 so that a return spring is formed. A front shaft 34 having an uneven engaging portion 36 elastically engaged with the inner hole is fixed to the engaging portion 35 of the front shaft portion 2 of the cap 1. The front end of the return spring 43 is in contact with the rib-shaped step portion 38 at the front of the front shaft 34, and the writing body 39 such as a ballpoint pen is constantly urged backward.

In the seal unit 26, a printed body 27 is placed on the rear surface of a rear shaft portion 32 of a mounting table 30, and the outside is covered with a cover 29, and the cover 29 is fixed to the rear shaft portion 32. The inner cylindrical portion 17 of the storage case 15 is fitted into the hole of the front shaft portion 31 of the mounting base 30 by frictional engagement as appropriate. From the rear end. In addition, the seal unit 26 can be mounted by engaging the front shaft portion 31 of the mounting table 30 with the inner hole of the outer cylindrical portion 18 of the storage case 15. Further, the printing body 27 is made of a printing material having a porous through hole and capable of impregnating ink, and a printing surface 28 such as a name is engraved on the front surface of the printing body 27. If necessary, an ink occluding body and a cushion are provided between the printing body 27 and the rear end of the mounting table 30.

On the rear end of the cap 1, a knock cover 23 having an engaging portion 25 detachably engaged with an engaging portion 19 provided on the outer cylindrical portion 18 of the storage case 15 covers the stamp surface 28. And fitted. In this case, the engaging portion is also formed of a groove and a projecting portion, and the relationship may be interchanged. A transparent crown 24 is fixed to the rear end of the knock cover 23. In addition, a display board or the like (not shown) on which the name of the seal is written is inserted into the gap 24 # formed at this time.

In the above embodiment, the knock actuating portion is, for example, a Kern type knock mechanism, and the writing tip of a writing body such as a ball-point pen is configured to protrude and retract from the tip end of the front shaft. If a body is attached (not shown), and the rear of the lead case is formed as a knock actuating part, a mechanical pencil with a seal can be provided in which the lead can be extended in conjunction with the knock operation.

[0013]

The writing instrument with a seal stamp according to the embodiment of the present invention is constructed as described above, and the stamp face 28 is provided so as to protrude from the rear end of the cap 1 appropriately.
The knocking operating part does not interlock even if it advances in the range of, and when it is pressed until it is flush with the rear end of the cap in the subsequent advancement, the writing tip 42 is moved from the tip opening 37 of the front shaft 34. The stroke of the knock mechanism is set such that it protrudes but is not locked in that state. In addition, when the knock cover 23 is fixed, the writing tip 4 is moved by knocking.
2 emerges from the front end port 37. Also, in the case of a mechanical pencil, even when the stamp surface is flush with the rear end of the cap, the core is not extended. Further, since the knock cover 23 is fitted to the storage case 15 in a non-contact state with the seal unit 26, there is no problem that the seal unit 26 is accidentally detached when the knock cover 23 is detached.

[0014]

[Effect of the Invention] The construction and operation of the writing implement with a seal of the present invention are as described above, and there is no problem that the writing tip is knocked out at the time of stamping and the writing tip inadvertently appears or disappears or the core is extended. In addition, by providing the knock actuating portion so as not to be interlocked even if the stamp surface advances within the range of the interval S, the seal stamp unit can be set to protrude long from the rear end of the cap, so that the stamp can be easily stamped. Installation and replacement of the unit are facilitated. Further, there is an effect that there is no problem that the seal stamp unit is accidentally detached from the cap when the knock cover is detached.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, showing a state in which a writing tip of a ballpoint pen is stored from a tip end of a front shaft.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 cap 2 front shaft portion 3 cam groove 4 knock bar 5 cam portion 6 shaft portion 7 groove portion 8 rotating cam member 8 軸 shaft portion 9 cam portion 10 coil spring 11 stepped portion 12 stepped portion 13 clip 14 engaging portion 15 storage case 16 Engagement tube part 17 Inner cylinder part 18 Outer cylinder part 19 Engagement part 20 Flange part 20 段 Step part 21 Partition part 22 Slit 23 Knock cover 24 Crown 24 ° Gap 25 Engagement part 26 Seal unit 27 Print body 28 Stamp face 29 Cover 30 Mounting base 31 Front shaft part 32 Rear shaft part 33 Decoration ring 34 Front shaft 35 Engagement part 36 Engagement part 37 Tip opening 38 Step part 39 Writing body such as ballpoint pen 40 Tube 41 Crimp 42 Writing tip 43 Return spring

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-67082 (JP, U) (58) Field surveyed (Int. Cl. ⁶ , DB name) B43K 29/013 B41K 1/02

Claims (1)

(57) [Scope of request for utility model registration] 1. A knock operating portion is provided in an inner hole of a barrel, and a seal that is interlocked with the knock operating portion is provided in a state in which a stamp face of the stamp protrudes from a rear end of the barrel as appropriate. A writing instrument is provided in which a writing body is disposed in front of the writing tool, and when the knocking cover is closed by covering the stamp face, the writing tip is locked or protruded from the tip opening of the barrel by the knocking operation. The knock actuating part is provided so that it does not interlock when the stamp surface advances in the appropriate range during stamping, but interlocks with the subsequent advance, so that the writing tip protrudes and retracts even when it advances flush with the rear end of the barrel. A writing instrument with a seal, wherein the stroke of the knock actuating portion is set so as not to be locked to the arm or the core is not extended.