JPS60191916U - Automatic compensation pendulum braking device - Google Patents

Automatic compensation pendulum braking device

Info

Publication number
JPS60191916U
JPS60191916U JP7857484U JP7857484U JPS60191916U JP S60191916 U JPS60191916 U JP S60191916U JP 7857484 U JP7857484 U JP 7857484U JP 7857484 U JP7857484 U JP 7857484U JP S60191916 U JPS60191916 U JP S60191916U
Authority
JP
Japan
Prior art keywords
pendulum
braking device
automatic compensation
braking
automatic
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
Application number
JP7857484U
Other languages
Japanese (ja)
Inventor
石田　潔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 by Individual filed Critical Individual
Priority to JP7857484U priority Critical patent/JPS60191916U/en
Publication of JPS60191916U publication Critical patent/JPS60191916U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は一般の自動水準儀の構造を示す光路図、第２図
は本考案制動装置を示す正面図略図、第３図は制動板を
貫通する磁力線の分布を示すベクトル図である。 符号の説明、１・・・・・・対物レンズ、２・・・・・
・補償用反射鏡、３・・・固定反射鏡、４・・・十字線
焦点鏡、５・・・接眼レンズ、６・・・補償用振子、７
・・・吊線、８・・・上部枠体、９・・・磁石、１・ｏ
、ｉｏ’−・・制動板、１１・・・支持金具、１２・・
・下部枠体、Ｄ・・・２枚の制動板の間隔、ｄ・・・制
動板と磁石の間隔、ＹＹ′・・・振子の振揺方向、ｘｘ
’・・・振子の振揺と直角方向、Ｆｘ・・・ｘｘ’方向
の磁力線の分力、ＦＹ・・・ＹＹ’方向の磁力線の分力
。FIG. 1 is an optical path diagram showing the structure of a general automatic leveling device, FIG. 2 is a schematic front view showing the braking device of the present invention, and FIG. 3 is a vector diagram showing the distribution of magnetic lines of force passing through a braking plate. Explanation of symbols, 1...Objective lens, 2...
- Compensation reflector, 3... Fixed reflector, 4... Crosshair focus mirror, 5... Eyepiece, 6... Compensation pendulum, 7
... Suspension wire, 8... Upper frame, 9... Magnet, 1.o
, io'-... Brake plate, 11... Support metal fitting, 12...
・Lower frame, D... Distance between two brake plates, d... Distance between brake plate and magnet, YY'... Swing direction of pendulum, xx
'...The direction perpendicular to the swing of the pendulum, the component force of the lines of magnetic force in the Fx...xx' direction, the component force of the lines of magnetic force in the FY...YY' direction.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 自動水準儀又は経緯儀の自動補償用振子の制動装置に於
いて、振子体に一定間隔を隔てて電気抵抗の小さい金属
（例えば純銅）から晟る２枚の制動板を取付け、２枚の
制動板の内側に僅かな間隔を隔てて長さ方向又は厚さ方
向に着磁した１箇の磁石を支持金具に取付け、２枚の制
動板の中央に位置させて成る自動補償用振子の制動装置
。In a braking device for a pendulum for automatic compensation of an automatic level or theodolite, two braking plates made of a metal with low electrical resistance (such as pure copper) are attached to the pendulum body at a certain interval, and the two braking plates A braking device for an automatic compensating pendulum, in which a single magnet magnetized in the length direction or thickness direction is attached to a supporting metal part at a slight distance from the inner side of the pendulum, and the magnet is positioned at the center of two braking plates.
JP7857484U 1984-05-30 1984-05-30 Automatic compensation pendulum braking device Pending JPS60191916U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7857484U JPS60191916U (en) 1984-05-30 1984-05-30 Automatic compensation pendulum braking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7857484U JPS60191916U (en) 1984-05-30 1984-05-30 Automatic compensation pendulum braking device

Publications (1)

Publication Number Publication Date
JPS60191916U true JPS60191916U (en) 1985-12-19

Family

ID=30622669

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7857484U Pending JPS60191916U (en) 1984-05-30 1984-05-30 Automatic compensation pendulum braking device

Country Status (1)

Country Link
JP (1) JPS60191916U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231448B1 (en) * 1963-10-19 1977-08-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5231448B1 (en) * 1963-10-19 1977-08-15

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