JPS56119857A - Instructing mechanism for rotating direction of rotational shaft - Google Patents

Instructing mechanism for rotating direction of rotational shaft

Info

Publication number
JPS56119857A
JPS56119857A JP2361480A JP2361480A JPS56119857A JP S56119857 A JPS56119857 A JP S56119857A JP 2361480 A JP2361480 A JP 2361480A JP 2361480 A JP2361480 A JP 2361480A JP S56119857 A JPS56119857 A JP S56119857A
Authority
JP
Japan
Prior art keywords
dog
turns
rotational shaft
detector
rotation
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
JP2361480A
Other languages
Japanese (ja)
Other versions
JPS644150B2 (en
Inventor
Fumio Kasagami
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.)
Daihen Corp
Original Assignee
Daihen Corp
Osaka Transformer Co Ltd
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 Daihen Corp, Osaka Transformer Co Ltd filed Critical Daihen Corp
Priority to JP2361480A priority Critical patent/JPS56119857A/en
Publication of JPS56119857A publication Critical patent/JPS56119857A/en
Publication of JPS644150B2 publication Critical patent/JPS644150B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)

Abstract

PURPOSE:To prevent an instructing mechanism for the return direction of a rotational shaft which turns so that rotation ranges overlap each other from being influenced by a temporary service interruption during its operation, by discriminating the return direction by a floating dog and stopper. CONSTITUTION:Rotational shaft 1 supporting a work tool, such as a welding torch, turns clockwise and counterclockwise from the reference point in the range of 180+theta degrees, respectively. According to the rotation, spring supporting member 6 constituted to one body with shaft 1 also turns, and consequently spring 8 is pulled, so that floating dog 2 also turns. In case of clockwise rotation, the projection part of dog 5 is detected by detector 13 first and when it further turns, dog 2 touches stopper 9, so that detector 12 detects the projection part of dog 2. In case of counterclockwise rotation, detector 11 detects the projection part of dog 2. If service interruption occurs temporarily and wake-up is again performed before return operation after turning, the detector indicates the turned direction, so that rotational shaft 1 can return via the same route.
JP2361480A 1980-02-26 1980-02-26 Instructing mechanism for rotating direction of rotational shaft Granted JPS56119857A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2361480A JPS56119857A (en) 1980-02-26 1980-02-26 Instructing mechanism for rotating direction of rotational shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2361480A JPS56119857A (en) 1980-02-26 1980-02-26 Instructing mechanism for rotating direction of rotational shaft

Publications (2)

Publication Number Publication Date
JPS56119857A true JPS56119857A (en) 1981-09-19
JPS644150B2 JPS644150B2 (en) 1989-01-24

Family

ID=12115479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2361480A Granted JPS56119857A (en) 1980-02-26 1980-02-26 Instructing mechanism for rotating direction of rotational shaft

Country Status (1)

Country Link
JP (1) JPS56119857A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4920485U (en) * 1972-05-26 1974-02-21
JPS527776A (en) * 1975-07-09 1977-01-21 Toshiba Corp Rotating direction detecting device
JPS5354075A (en) * 1976-10-27 1978-05-17 Sansui Electric Co Rotational direction detector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4920485U (en) * 1972-05-26 1974-02-21
JPS527776A (en) * 1975-07-09 1977-01-21 Toshiba Corp Rotating direction detecting device
JPS5354075A (en) * 1976-10-27 1978-05-17 Sansui Electric Co Rotational direction detector

Also Published As

Publication number Publication date
JPS644150B2 (en) 1989-01-24

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