JP2599467Y2 - 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 mechanism 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 known a seal unit which is detachably attached to a knock mechanism directly or via a holder and is positioned so as to protrude from a rear end of a shaft cylinder.

[0003]

However, in the conventional one, when the user grips the back of the barrel and makes a seal, the knocking mechanism interlocks and the writing tip part is inadvertently protruded or retracted from the tip end of the front spindle. Is set to Then, this invention aims at solving such a defect.

[0004]

In order to achieve the above-mentioned object, a writing instrument with a seal of the present invention devised to achieve the above-mentioned object has a knock operating portion provided in an inner hole of a shaft cylinder and a knock operating portion in front of the knock operating portion. The stamp is fixed so that the stamp face protrudes from the rear end of the barrel as appropriate, and the knock cover covers the stamp face in conjunction with the knock actuating part and fastens to the seal without contact. Then, the writing tip is locked in a protruding state from the tip opening of the barrel by the knocking operation, or the lead can be extended.

[0005]

1 to 4 show an embodiment of the present invention. First, as shown in the figure, the shaft cylinder is composed of a cap 1, a decorative ring 38 and a front shaft 39. Cap 1 is a cylinder,
A front shaft portion 2 having a screw portion 2 ｀ (may be an elastic engagement portion) in front of the step portion 1c, and a rear shaft portion 3 projecting rearward into the cylindrical body are provided integrally. Further, a cam groove 3 # is formed in the rear shaft portion 3 together with a rear end portion 11 and a step portion 12 in an inner hole portion. A clip 13 is provided on the rear side surface of the cap 1, and a decorative ring 38 is fixed to the rear end of the front shaft portion 2 in contact with the step portion 1 c. A groove 1a is formed on the inner periphery of the center of the cap 1. The cam groove 3
｀ is fitted with a cam portion 5 formed on the front side of the knock bar 4 so as to be able to move back and forth with respect to the rear shaft portion 3. A rotating cam member 7 having a cam portion 9 which is in contact with the cam groove 3 # is also provided so as 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. A cylindrical shaft 8 whose rear end is closed is extended behind the rotary cam member 7, and the shaft 8 is a knock bar 4.
Is fitted in the center hole of the shaft 6 which also extends rearward,
The rotation cam member 7 is axially shifted with respect to the knock bar 4 within an appropriate range, and is free to rotate by abutment of the protrusions between the outer peripheral portion of the shaft portion 8 and the center hole of the knock bar 4. A regulated retaining portion (not shown) is provided.

The fixed cylinder 22 is provided with an incision section 25 on a disk to form a fan-shaped flange section 24 at two places, and is provided behind the flange section 24 with a fitting cylinder section 23. A slit portion 26 is formed at a required position on the side surface of the fitting cylinder portion 23, and the fitting cylinder portion 23 is elastically displaced toward the reduced diameter side when a seal, which will be described later, is attached, so that the seal can be fixed.

The slider cylinder 14 is provided at the center of the partition 1.
The front part 5 is provided with a cylindrical front cylinder part 17, and two side windows 19 are cut out on side surfaces thereof. In addition, partition part 1
A slightly large-diameter rear cylinder portion 16 having a step portion 20 is provided at the rear of 5, and windows 18 are also cut out at two places on the side surface of the rear cylinder portion 16. An engaging portion 21 is formed on the rear outer periphery of the rear tubular portion 16 to be detachably engaged with an engaging portion 29 of a knock cover 27 described later. The window 18 is provided around the flange 24 of the fixed cylinder 22 in a slidable manner.

As described above, the slider cylinder 14 is inserted into the inner hole of the cap 1 while the coil spring 10 is biased between the step 20 and the step 1b of the cap 1.
Next, the fixed cylinder 22 is inserted into the inner hole of the rear cylinder 16 of the slider cylinder 14, and the flange 24 is guided by the peripheral wall of the window 18, and the tip of the fitting cylinder 23 contacts the partition 15. The fixed cylinder 22 and the cap 1 are integrally fixed by fitting the edge of the flange 24 into the groove 1a provided on the peripheral wall of the inner hole. At that time,
The rear part of the shaft part 6 of the knock rod 4 is fitted in the inner hole of the front cylinder part 17, and the front end of the partition part 15 is substantially in contact with the rear end. Further, it is also possible to connect the edge of the flange 24 to the peripheral wall of the inner hole of the cap 1 so that the fixed cylinder 22 is a resin molded product integrated with the cap 1. In that case, the slider cylinder 1
In order to insert the cap 4, a portion corresponding to the front shaft portion 2 and the rear shaft portion 3 of the cap 1 is separately provided and fixed.

A rear end portion of a writing body 43 such as a ball-point pen is mounted in an inner hole of the shaft portion 8 of the rotary cam member 7, and a rear end of the writing body 43 abuts a crimp 45 formed in the tube 44 to return a return spring 47. Is attached to the screw portion 2 # of the front shaft portion 2 of the cap 1, and a screw portion 40 (an elastic engagement portion that engages with the elastic engagement portion of the front shaft portion) may be engaged with the inner hole portion. ) Is fixed, and the front end of the return spring 47 is provided with a rib-shaped stepped portion 4 in front of the bore of the front shaft 39.
2, the writing body 43 such as a ball-point pen is constantly urged rearward.

The seal 30 is provided on the rear shaft 3 of the mounting base 34.
The print body 31 is placed on the rear surface of the rear cover 6, and the outside is covered with a cover 33, and the cover 33 is fixed to the rear shaft 36.
Further, the fitting tube portion 23 of the fixed tube is fitted into the hole of the front shaft portion 35 of the mounting base 34 by appropriately frictionally engaging, and the stamp surface 32 is attached to the cap 1 so as to protrude from the rear end as appropriate. or,
The printing body 31 is made of a printing material having a porous through hole and capable of being impregnated with ink. A printing surface 32 such as a name is engraved on the front surface of the printing body 31. Further, an ink occluding body and a cushion are provided between the printing body 31 and the rear end of the mounting table 34 as necessary.

At the rear end of the cap 1, a knock cover 27 having an engagement portion 29 for detachably engaging with an engagement portion 21 provided on the rear cylinder portion 16 of the slider cylinder 14 is provided with a stamp surface 32.
And is fixed. In this case, the engaging portion may also be formed of a mutual protrusion and a protrusion or a groove and a protrusion, and the relationship may be interchanged. A transparent crown 28 is fixed to the rear end of the knock cover 27. The gap 28 formed at that time
｀ indicates a signboard with the name of the seal etc. (not shown)
Is inserted.

In the embodiment of the present invention, the knock actuating portion is a so-called Kern type knock mechanism, and the writing tip 46 of the writing body 43 such as a ball-point pen is made to protrude and retract from the tip opening 41 of the front shaft 39. When the body is a mechanical pencil, for example, a lead case located behind the lead feeding mechanism is used as a knock actuating part, and a slider cylinder 1 is provided at the rear end.
4 may be connected.

[0014]

The writing implement with a seal as an embodiment of the present invention is constructed as described above, and the stamp face 32 is appropriately projected and fixed from the rear end of the cap 1, so that even if the stamp face is pressed at the time of stamping, it is knocked. Not activated. When the knock cover 27 is fixed to the slider cylinder 14, if the rear end of the knock cover 27 is pressed, the slider cylinder 14 moves in conjunction with the knock mechanism, and the writing tip 46 of the writing body 43 such as a ball-point pen moves to the front shaft 39.
Emerge from the front end port 41 of the camera. Further, since the knock cover 27 is fixed to the slider cylinder 14 in a non-contact state with the seal 30, there is no problem that the seal 30 is accidentally detached when the knock cover 27 is detached.

[0015]

[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 tip of the writing is inadvertently protruded and retracted during knocking. 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.

FIG. 2 is a longitudinal sectional view showing the embodiment of the present invention, in which a writing tip of a ballpoint pen is projected from a tip end of a front shaft.

FIG. 3 is a perspective view of a slider tube used in the present invention.

FIG. 4 is a perspective view of a fixed cylinder used in the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cap 1a Groove part 1b Step part 1c Step part 2 Front shaft part 2 ｀ Screw part 3 Rear shaft part 3 ｀ Cam groove 4 Knock bar 5 Cam part 6 Shaft part 7 Rotating cam member 8 Shaft part 9 Cam part 10 Coil spring 11 Rear End part 12 Step part 13 Clip 14 Slider cylinder 15 Partition part 16 Rear cylinder part 17 Front cylinder part 18 Window part 19 Window part 20 Step part 21 Engagement part 22 Fixed cylinder 23 Fitting cylinder part 24 Flange part 25 Cut window part 26 Slit 26 Part 27 Knock cover 28 Crown 28 ° Gap 29 Engagement part 30 Seal 31 Print body 32 Sign face 33 Cover 34 Mounting base 35 Front shaft part 36 Rear shaft part 37 Flange part 38 Decorative ring 39 Front shaft 40 Screw part 41 Tip opening 42 Step 43 Writing body such as ballpoint pen 44 Tube 45 Crimp 46 Writing tip 47 Return spring

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B43K 29/013 B41K 1/02

Claims (1)

(57) [Scope of request for utility model registration] A knock actuating part is provided in an inner hole of a shaft cylinder.
And a cursive font is placed in front of it,
A fixed cylinder is integrally provided in the inner hole of the shaft cylinder at the rear, and
A seal is fixed to the rear end of the fixed cylinder, and a seal is attached to the outside of the fixed cylinder.
The slider cylinder is loosely fitted to interlock with the
A knock cover detachably stops at the rear end of the slider cylinder
The knock cover covers the stamp surface and faces the seal.
And the rear end of the knock cover is knocked.
The writing tip from the tip end of the barrel.
It can be locked in the sunken state or the core can be extended
A writing implement with a seal, characterized in that: