JPS6226228Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention provides a radial lead chamber within the outer shaft, and each of the lead chambers has a different writing color and writing width, or the same type or different type of lead (for example, a colored pencil lead). , refills for ballpoint pens, sharp pencils, etc.) are stored in appropriate combinations and selectively supplied to a single core gripping means placed in front of the barrel, making it possible to use the desired core. The present invention relates to a writing instrument, and in particular to a multi-core storage type writing instrument that allows smooth delivery from a core chamber when supplying the cores to a core gripping means after selecting a desired core.

Hereinafter, the present invention will be described in detail based on an embodiment shown in the accompanying drawings.

In FIG. 1, reference numeral 1 designates an outer shaft, and the outer shaft 1 has a core guide portion 2 in front thereof that communicates with one of the core chambers described later. A center shaft 3 is disposed, and in the front part of the core guide part 2 of the center shaft 3 is a core made of a collection chuck or the like that cooperates with the front end of the outer shaft 1 to grip and release the core, which will be described later. A gripping means 4 is provided in series, and the rear portion is a notch portion. This central axis 3
Since the elastic member S is disposed between the step 5 provided in the outer shaft 1 and the protrusion 6 provided on the core gripping means 4 that comes into contact with the front end of the center shaft 3, the outer shaft 1 is always He was hit backwards by a bullet.

Reference numeral 7 denotes a rotatable core partitioning member disposed between the outer shaft 1 and the center shaft 3, and the core partitioning member 7, as shown in FIG. A plurality of protrusions 8 are provided at appropriate intervals, and a plurality of core chambers 9 are formed radially between adjacent protrusions 8 and the inner wall of the outer shaft 1. 9 can also be formed by fitting a cylindrical body around the outer periphery of the core partitioning member 7 and using the inner wall of the cylindrical body, without using the inner wall of the outer shaft 1. Inside the lead chamber 9 are colored pencil leads,
A refill for a ballpoint pen, a core body 10 for a sharp pencil, etc. are housed respectively.

Reference numeral 11 has one end fixed to the core partition member 7 and the other end fixed to the center shaft 3, and normally expands outward to connect the core chamber 9 and the core guide portion 2 of the center shaft 3. It is a lid body that blocks communication and when the center shaft 3 is moved forward, extends in the longitudinal direction to release the cutoff and enable delivery of one core body 10 in the core chamber 9 to the core body gripping means 4. . As will be described later, the method of fixing the lid 11 is to fix it to one of the core partition member 7 and the center shaft 3 and to fix the other to the core partition member 7 because the core partition member 7 is rotated when the core is selected. It is preferable that the cover body 11 is rotatably fixed to the cover body 11, and the material of the cover body 11 is preferably an elastic body made of rubber, soft synthetic resin, thin metal plate, etc. As shown in FIG.
The lid 11a may be made of an inelastic material if it has a substantially dogleg-shaped cross section with a hinge section in the middle. Although it is provided on the entire circumference, it may be provided only in the portion where the core chamber 9 and the core guide portion 2 communicate with each other.

Reference numeral 12 is a rotating member rotatably disposed at the rear of the outer shaft 1, and the inner base of the rotating member 12 is attached to the core partition member 7 by adhesion or other appropriate means. It is fixed to the rear and connected in series.

Next, the operation of the present invention will be explained.

Core body 1 housed in each of a plurality of core chambers 9
To select a desired core 10 from among the cores 10, hold the rotary member 12 with your fingers or the like and rotate it relative to the core guide 2 in the state shown in FIG. Since the body partition member 7 and the core body 10 are also rotated at the same time, the core chamber 9 housing the desired core body 10 and the core body guide portion 2 of the center shaft 3 communicate with each other (however, the communication is limited to the lid body 11). The rotation of the rotating member 12 is stopped at the position where the rotating member 12 is cut off). Next, by pointing the tip of the outer shaft 1 downward and pressing the rear end of the inner shaft 3, the inner shaft 3 is moved forward with respect to the outer shaft 1 against the elastic force of the elastic member S. The lid body 11 extends in the longitudinal direction, the core chamber 9 and the core guide part 2 are disconnected from each other, and the core body 10 is moved from the core chamber 9 by its own weight to the core guide part 2 and the core gripping means. 4 and protrudes out of the outer shaft 1 (see Fig. 3). After adjusting the protrusion length by supporting the tip of the protruding core body 10 with a finger or the like, if the above-mentioned pressing force on the center shaft 3 is released, the center shaft 3 will absorb the elastic force of the resilient member S. As the inner shaft 3 retreats, the core gripping means 4 again cooperates with the tip of the outer shaft 1 to grip the core 10 and become ready for writing. To store the protruding core body 10 in the core chamber 9, after the above-mentioned operation, turn the tip of the outer shaft 1 upward and insert the inner shaft 3 into the core chamber 9.
Just press the rear end. That is, when the tip of the outer shaft 1 is directed upward and the rear end of the inner shaft 3 is pressed, the core gripping means 4 releases its grip on the core 10 and the lid 11 extends in the longitudinal direction (first 3), the core body 10 falls into the core chamber 9 due to its own weight.
After this, if the pressing force on the center shaft 3 is released, the center shaft 3
is retracted with respect to the outer shaft 1, and as a result of the retraction, the diameter of the core gripping means 4 is reduced by cooperation with the tip of the outer shaft 1, and the lid body 11 is moved between the core chamber 9 and the core guide portion. 2 and can be placed in the stored state shown in FIG.

According to the present invention as described above, one of the plurality of core chambers is communicated with the core guide part, and the lid body normally expands outward to cut off the communication, and when the center shaft moves forward, the lid body is configured to communicate with the core guide part. Since it can be extended in the direction to release the blocking, it has the practical effect that the core can be smoothly delivered to the core gripping means on a substantially straight line.

In the above-mentioned embodiment, the core partitioning member and the rotating member are separate bodies, but they may be integrated, or the eraser may be housed as one of the cores.

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing one embodiment of the present invention;
The drawings are an enlarged sectional view taken along the line A--A in FIG. 1, FIG. 3 is an explanatory diagram of the operation, and FIG. 4 is a sectional view of main parts showing another embodiment of the lid body. 1...Outer shaft, 3...Core guide section, 3...Center shaft, 4
...Core gripping means, 7...Core partition member, 9...
Core chamber, 10... Core body, 11, 11a... Lid body, 1
2...Rotating member.

Claims (1)

[Scope of utility model registration request] an outer shaft; a core body disposed within the outer shaft so as to be able to move forward and backward with respect to the outer shaft; a core body having a core body guide portion in front; and a core body that grips and releases the core body at a front portion of the core body guide portion; a core partition member that is rotatably arranged with respect to the core guide portion between the center shaft and the outer shaft, and that has a core chamber formed in its outer periphery to accommodate the core; a rotating member rotatably disposed at the rear of the outer shaft, the base of which is connected to the core partitioning member, and one end fixed to either the core partitioning member or the center shaft; a lid body whose other end is rotatably fixed to the other end, one of the core chambers communicates with the core guide portion of the center shaft, and the lid body:
A multi-core storage type writing instrument that normally expands outward to block communication between the core chamber and the core guide portion of the center shaft, and expands in the longitudinal direction when the center shaft moves forward to release the interruption.