JP3030895U - Ruler that also serves as a compass - Google Patents

Abstract

(57) [Summary] (Modified) [Purpose] A convenient and convenient ruler that doubles as a compass. [Structure] A two-step groove 2 is provided on a ruler body 1, an adjusting scale 3 is provided on the side thereof, and several writing tool holes 4 are provided at the center thereof. A sliding adjuster 5 is attached to the two-step groove 2. In the adjuster 5, an arrow 6 pointing to the adjusting scale 3, a ball needle 9,
Groove 7 for accommodating a ball needle and needle hole 8 as a center point for drawing a circle
Is provided so that an arbitrary circle can be drawn from a fine circle according to the length of the ruler.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 Although the present invention is intended for school children, it can be conveniently used both at home and at work.

[0002]

[Technology of Samurai]

 It seems that the compass for school children is very poor, and it seems that the present invention has higher accuracy and is easier to use.

[0003]

[Problems to be solved by the device]

 This device is a device for school children who also has a compass with a single ruler. As shown in Fig. 1, the ruler has a sliding groove of 1 cm on the left end, and the scale is set to 1 mm 5 mm to the left and right of the center of the groove. There is a scale for adjustment, and next to it is a groove for accommodating a ball needle (think insect pins etc., but for safety and ease of use), and a writing instrument insertion hole 1 cm above the center line of the stide. They are provided at intervals, and the holes are V-shaped to prevent the writing instrument core from breaking easily. Attach the slide adjusters as shown in Figs. 2 and 3 to the slide grooves. There is a needle hole in the center and a finger line to match the scale, and the ball needle that is stored is held by a knob nut so that it does not fall off normally, and the tip of the needle is a safety fit. Do not do it, adjust it to the intended position within the range of 1 cm when using Align the finger lines, set in the ball needle you have Osamuosame. In addition, the 1 cm scale for adjustment is considered to be easier to use for schoolchildren, with the right end as 0 point and the scale from 0 point to a few mm, and when adjusted + a few mm, it will be easier to adjust than a few mm. Although it is displayed with a 20 cm ruler, there is no problem because it is configured in the same state even if the length is different.

[0004]

[Effect of device]

 Since the present invention contains the ball needle, it can be used as a compass at any time without the needle, which is convenient.

[Submission date] November 9, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content] [Detailed description of the device]

[0001]

[Industrial applications]

 The present invention is intended for school children, but can also be conveniently used in ordinary households.

[0002]

[Prior art]

 A ruler also serves as a compass, but the idea is to be able to draw from minute circles to large and small circles.

[0003]

[Problems to be solved by the device]

 One ruler 1 for school children is a device that also serves as a compass. The ruler body 1 is provided with an adjusting scale 3 and a window 12 for confirming an arrow 6 pointing to the scale 3, which is suitable for writing instruments. Hole 4, two-tiered groove 2 and sliding regulator 5 are attached to the two-tiered groove 2. The regulator 5 has a convex circle fixed to the ruler body 1. A thread and a nut 10 are attached to the mold, and a hole 11 for fixing the mold is attached to the center point of the circle. A needle groove 7 for accommodating a ball needle 9 is provided in the center of the adjuster 5, and the needle groove 7 extends from the center to the end of the adjuster 5 through the convex part, the needle 9 selects the ball needle 9 for safety, and the arrow 6 pointing to the adjusting scale 3 and the center of the circle A needle hole 8 that becomes a point is provided, and first the ball needle 9 is set at the desired position. When fine adjustment is required, the adjustment scale 3 The size of the circle fit the arrow 6 of controller 5 to slide to position the writing instrument hole 4 draw a circle of 認意 by the length of the ruler 1 of fine circle was cum compass ruler.

[0004]

[Effect of device]

 Since the present invention accommodates a ball needle, it is convenient to use this ruler as a compass that can draw large and small circles at any time without preparing needles.

[Brief description of drawings]

FIG. 1 is a plan view of a 20 cm ruler.

FIG. 2 is a cross-sectional view seen from a bed with an adjuster attached.

FIG. 3 is a cross-sectional view seen from the side where an adjuster is attached.

FIG. 4 is a plan view of an adjuster and a ball needle attached to a ruler.

[Explanation of symbols]

1 Ruler main body 2 Slide groove 3 Groove for accommodating needle needle 4 Transparent material in the controller body 5 Jagged around the controller knob nut Transparent material 6 Needle insertion hole 7 V-shaped hole for writing instrument 8 needles are stored. The tip of the needle is infiltrated. 9 scaled finger lines 10 scales for adjustment

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[Procedure amendment]

[Submission date] November 9, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Name of device] Ruler that also serves as a compass

[Scope of utility model registration request]

[Brief description of drawings]

FIG. 1 is a plan view of a ruler that also serves as a compass.

FIG. 2 is a cross-sectional view taken along the line AA of a ruler also serving as a compass.

FIG. 3 is a BB cross-sectional view of a ruler that also serves as a compass.

FIG. 4 is a plan view of a sliding adjuster.

FIG. 5 is a plan view of a modified ruler body with some parts omitted.

[Explanation of symbols] 1 Ruler body 2 Two-step groove on the ruler body 3 Adjustment scale 4 Writing instrument hole 5 Sliding adjuster 6 Arrow pointing to the adjustment scale 7 Needle storage groove 8 Needle hole at the center of the circle 9 Ball needles 10 Non-slip around the nuts with the adjuster nut 11 A temporary needle can be stored in the adjuster convex hole 12 A window for confirming the arrow

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

FIG.

[Fig. 2]

[Figure 3]

[Figure 4]

[Figure 5]

Claims (1)

[Scope of utility model registration request] 1. A transparent commercially available scale 15c.
A ruler of m to 30 cm has been improved for school children. A slide adjuster is installed in the slide groove that allows the root point to be set at an arbitrary position within a 1 cm width, and writing instruments are inserted at 1 cm intervals on the extension line of the point. Provide a hole for use and a groove for collecting ball needles. In addition, the adjuster is provided with a needle insertion hole and a finger line that points to the scale, and also serves to prevent the stored needle from falling off.