JP4164839B1 - Gripping-type knock centering cap - Google Patents

Abstract

PROBLEM TO BE SOLVED To provide a conventional knock centering type mechanical pencil (hereinafter simply referred to as a pencil) by holding the pencil at the time of centering and pushing the knock part at the rear part of the pencil with a thumb or the like. Centering during writing must be done frequently, but the troublesomeness of centering by holding the pencil each time is tremendous.
The inconvenience of centering knock that is indispensable for a conventional pencil is solved by providing a grip-type knock centering cap (hereinafter simply referred to as a cap) according to the present invention. Use the cap of the present invention with the cap of the present invention on the rear end of a conventional pencil, open the lever of the cap when writing, hold the pencil in the palm of your hand while holding the open lever in your palm, Apply pressure to push down the lever. In other words, the center can be adjusted at any time by pressure operation of the palm without having to change the pencil during writing, so that the trouble of holding the pencil is relieved.
[Selection] Figure 5

Description

  The present invention relates to a knock centering mechanical pencil.

Background technology

The conventional knock centering type mechanical pencil (hereinafter simply referred to as “pencil”) is a method in which a pencil is held at the time of centering and the center of the pencil is pushed by pushing the knock part at the rear of the pencil with a thumb or the like. There is another plan to extend the knock part of the mechanical pencil body.
6-68875

  The centering work indispensable for the conventional pencil is different from the original writing. The length of a typical pencil lead is 60 mm (the inner holding part is about 10 mm, so it is used for writing about 50 mm), so it will wear out quickly as you write, and centering must be done frequently. I must. The troublesome work of centering by changing the pencil each time is enormous. Unlike the above-described simple knock mechanical pencil, the present invention does not relate to the main body structure of the pencil at all, and solves the above troublesomeness by a separate means.

  The present invention solves the inconvenience of centering knock that is indispensable for conventional pencils by providing a gripping knock centering cap (hereinafter simply referred to as a cap).

  The conventional pencil (A) is used by covering the rear end (B) with the cap (1) according to the present invention ([FIG. 4]). When writing, open the lever (3) of the cap ([FIG. 2]), and hold the open lever with your palm and hold the pencil with your thumb, index finger, middle finger, etc. as usual ([FIG. 5]). When putting out the lead, apply pressure to the palm and push down the lever (3). In other words, during writing, the center can be aligned at any time by the pressure operation of the palm without holding the pencil, so that the troublesomeness of holding the pencil is relieved.

  The cap (1) of the present invention is usually attached to the rear part (B) of the pencil with the lever (3) being closed ([FIG. 4]), and a slit (5) is provided in a part of the cap. Pencil pocket shears (C) can be pulled out.

When using the cap according to the present invention (FIG. 1), the knock part (B) of the pencil (A)
And a part of the main body (FIG. 4). In this case, the pencil is normally held with the thumb, index finger, middle finger, etc. (FIG. 5), and when the center is put out, the cap is held by the lever (3) or protrusion (4) in the open position on the outside of the cap. Apply pressure with the palm, push down, and knock down the knocked part (B) of the pencil (A) inside the closed end (6) of the cap, which moves downward.

It is a general-view figure of the cap concerning the present invention. It is an external view of the cap which opened the lever. It is an external view of the cap with a protrusion . It is a perspective outline figure which attached the cap to the pencil. It is a see-through | perspective external view when writing with the pencil with which the cap was mounted | worn.

Explanation of symbols

One cap body 2 opening 3 lever 4 projections 5 slit 6 Closed end A knock centering type rear end of the mechanical pencil B pencil according to the invention (knock part minute)
C pocket shears

Claims (1)

Used when centering a knock-type mechanical pencil, a cap-shaped cylinder with one end closed and a lever or protrusion that rotates at the open / close position on the outside. Is a gripping type that pushes down the lever or protrusion in the open position with the palm pressure and knocks the knocking part of the mechanical pencil inside the closed end of the cylinder that moves down in conjunction with the cylinder. Knock centering cap.

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