JPH01102811U - - Google Patents

Info

Publication number
JPH01102811U
JPH01102811U JP19744787U JP19744787U JPH01102811U JP H01102811 U JPH01102811 U JP H01102811U JP 19744787 U JP19744787 U JP 19744787U JP 19744787 U JP19744787 U JP 19744787U JP H01102811 U JPH01102811 U JP H01102811U
Authority
JP
Japan
Prior art keywords
plunger
case
scale
detection head
length measuring
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.)
Granted
Application number
JP19744787U
Other languages
Japanese (ja)
Other versions
JPH0522812Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987197447U priority Critical patent/JPH0522812Y2/ja
Publication of JPH01102811U publication Critical patent/JPH01102811U/ja
Application granted granted Critical
Publication of JPH0522812Y2 publication Critical patent/JPH0522812Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例に係るプランジヤ形
測長器の正断面図、第２図は本考案の一実施例に
使用する弁の詳細を表わす正断面図、第３図は従
来のプランジヤ形測長器の正面図、第４図は従来
のプランジヤ形測長器の正断面図である。 １……ケース、２……スケール、３……検出ヘ
ツド、５′……プランジヤ、１３，１４……弁。 Fig. 1 is a front cross-sectional view of a plunger-type length measuring device according to an embodiment of the present invention, Fig. 2 is a front cross-sectional view showing details of a valve used in an embodiment of the present invention, and Fig. 3 is a front cross-sectional view of a plunger-type length measuring instrument according to an embodiment of the present invention. FIG. 4 is a front view of the plunger type length measuring device, and FIG. 4 is a front sectional view of the conventional plunger type length measuring device. 1...Case, 2...Scale, 3...Detection head, 5'...Plunger, 13, 14...Valve.

Claims (1)

【実用新案登録請求の範囲】 スケールおよび前記スケールに沿つて移動可能
な検出ヘツドをケースに内装するとともに、前記
検出ヘツドに連結されて前記ケースの一端より摺
動自在に突出されたプランジヤを備えた測長装置
において、 前記プランジヤを中空パイプで形成し、ケース
内に外気を導入するための弁を前記プランジヤに
配設したことを特徴とする測長装置。[Claims for Utility Model Registration] A scale and a detection head movable along the scale are housed in a case, and a plunger is connected to the detection head and slidably protrudes from one end of the case. A length measuring device, characterized in that the plunger is formed of a hollow pipe, and a valve for introducing outside air into the case is disposed on the plunger.
JP1987197447U 1987-12-28 1987-12-28 Expired - Lifetime JPH0522812Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987197447U JPH0522812Y2 (en) 1987-12-28 1987-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987197447U JPH0522812Y2 (en) 1987-12-28 1987-12-28

Publications (2)

Publication Number Publication Date
JPH01102811U true JPH01102811U (en) 1989-07-11
JPH0522812Y2 JPH0522812Y2 (en) 1993-06-11

Family

ID=31487997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987197447U Expired - Lifetime JPH0522812Y2 (en) 1987-12-28 1987-12-28

Country Status (1)

Country Link
JP (1) JPH0522812Y2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173420A (en) * 1982-04-06 1983-10-12 Sony Magnescale Inc Length measuring device
JPS5984409U (en) * 1982-11-29 1984-06-07 ソニ−マグネスケ−ル株式会社 inner measuring device
JPS5989206U (en) * 1982-12-09 1984-06-16 ソニ−マグネスケ−ル株式会社 position detection device
JPS6166913A (en) * 1984-09-10 1986-04-05 Mitsutoyo Mfg Co Ltd Digital display type measuring instrument
JPS6173011A (en) * 1984-09-18 1986-04-15 Nippon Kogaku Kk <Nikon> Length measuring instrument having dew condensation prevented

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173420A (en) * 1982-04-06 1983-10-12 Sony Magnescale Inc Length measuring device
JPS5984409U (en) * 1982-11-29 1984-06-07 ソニ−マグネスケ−ル株式会社 inner measuring device
JPS5989206U (en) * 1982-12-09 1984-06-16 ソニ−マグネスケ−ル株式会社 position detection device
JPS6166913A (en) * 1984-09-10 1986-04-05 Mitsutoyo Mfg Co Ltd Digital display type measuring instrument
JPS6173011A (en) * 1984-09-18 1986-04-15 Nippon Kogaku Kk <Nikon> Length measuring instrument having dew condensation prevented

Also Published As

Publication number Publication date
JPH0522812Y2 (en) 1993-06-11

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