JPS6421301U - - Google Patents
Info
- Publication number
- JPS6421301U JPS6421301U JP11451487U JP11451487U JPS6421301U JP S6421301 U JPS6421301 U JP S6421301U JP 11451487 U JP11451487 U JP 11451487U JP 11451487 U JP11451487 U JP 11451487U JP S6421301 U JPS6421301 U JP S6421301U
- Authority
- JP
- Japan
- Prior art keywords
- scale
- main
- vernier
- side edge
- main scale
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
図面は本考案の一実施例を示し、第1図aは本
考案の直定規を構成する主尺の平面図、第1図b
は同副尺の平面図、第1図cは同組み合わせ状態
の直定規の平面図、第2図および第3図a,bは
それぞれ本考案直定規による外法の測定方法の説
明図、第4図および第5図a,bはそれぞれ同じ
く内法の測定方の説明図である。
M……主尺、S……副尺、P,P′……始端、
Q,Q′……終端、M1,S1……一側縁、M2
,S2……中央部、S3……他側縁、L1,L2
〜L5……目盛。
The drawings show an embodiment of the present invention, FIG. 1a is a plan view of the main scale constituting the straightedge of the present invention, and FIG. 1b
1 is a plan view of the vernier, FIG. 1 c is a plan view of the straightedge in the same combination, FIGS. FIG. 4 and FIGS. 5a and 5b are explanatory diagrams of the measurement method using the internal method, respectively. M...Main scale, S...Vernier scale, P, P'...Starting point,
Q, Q'...Terminal, M1 , S1 ...One side edge, M2
, S 2 ... central part, S 3 ... other side edge, L 1 , L 2
~ L5 ...Scale.
Claims (1)
た副尺Sとから成り、主尺Mの始端Pから終端Q
にかけてその一側縁M1には目盛L1を、中央部
M2には目盛L2をそれぞれ設け、副尺Sの始端
P′から終端Q′にかけて前記一側縁M1と対応
する側縁S1には目盛L3を、中央部S2には目
盛L4を、他側縁S3には目盛L5をそれぞれ設
けたことを特徴とする直定規。 ただし、目盛L1,L2…L5はそれぞれ L1=0,1,2,…n,n+a、 L2=2n,2n+1,…3n,3n+a、 L3=n,n+1,…2n,2n+a、 L4=2n+a,2n+1,…3n,3n+2
a、 L5=2n+2a,…n+2,n+1,n+a
、 で示され、nは自然数を、aは主尺Mと副尺S
の最大摺動時の重ねしろを、それぞれ表わし、か
つa=1のときはL4の2n+aおよびL5のn
+aは省かれる。[Claims for Utility Model Registration] Consists of a main scale M of a predetermined length and a vernier scale S slidably attached to the main scale M, from the starting end P to the terminal end Q of the main scale M.
A scale L1 is provided on one side edge M1 of the vernier scale, and a scale L2 is provided on the central part M2 . A straight ruler characterized in that a scale L3 is provided on S1 , a scale L4 is provided on the center portion S2 , and a scale L5 is provided on the other side edge S3 . However, the scales L 1 , L 2 ...L 5 are respectively L 1 =0, 1, 2, ... n, n+a, L 2 = 2n, 2n+1, ... 3n, 3n+a, L 3 = n, n+1, ... 2n, 2n+a , L 4 =2n+a, 2n+1,...3n, 3n+2
a, L 5 =2n+2a,...n+2, n+1, n+a
, where n is a natural number and a is the main scale M and the vernier scale S
2n+a of L4 and n of L5 when a=1.
+a is omitted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11451487U JPS6421301U (en) | 1987-07-28 | 1987-07-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11451487U JPS6421301U (en) | 1987-07-28 | 1987-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6421301U true JPS6421301U (en) | 1989-02-02 |
Family
ID=31355333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11451487U Pending JPS6421301U (en) | 1987-07-28 | 1987-07-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6421301U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5054243B1 (en) * | 2012-04-02 | 2012-10-24 | 公二 宇野 | Linear ruler |
-
1987
- 1987-07-28 JP JP11451487U patent/JPS6421301U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5054243B1 (en) * | 2012-04-02 | 2012-10-24 | 公二 宇野 | Linear ruler |