JPS5449594A - Self-running type line penetrating machine - Google Patents

Self-running type line penetrating machine

Info

Publication number
JPS5449594A
JPS5449594A JP11570877A JP11570877A JPS5449594A JP S5449594 A JPS5449594 A JP S5449594A JP 11570877 A JP11570877 A JP 11570877A JP 11570877 A JP11570877 A JP 11570877A JP S5449594 A JPS5449594 A JP S5449594A
Authority
JP
Japan
Prior art keywords
change
over
spring
valve
over valve
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
JP11570877A
Other languages
Japanese (ja)
Inventor
Fumio Hayashi
Yoichi Inoue
Tetsuo Matsumoto
Migaku Masuzawa
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.)
TSUKEN ENG
TSUKEN ENG KK
Nippon Telegraph and Telephone Corp
Original Assignee
TSUKEN ENG
TSUKEN ENG KK
Nippon Telegraph and Telephone Corp
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 TSUKEN ENG, TSUKEN ENG KK, Nippon Telegraph and Telephone Corp filed Critical TSUKEN ENG
Priority to JP11570877A priority Critical patent/JPS5449594A/en
Publication of JPS5449594A publication Critical patent/JPS5449594A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Cable Installation (AREA)

Abstract

PURPOSE: To provide the subject machine wherein the operation of a change-over valve for changing over air from a compression air supply source is carried out by a resilient force of a spring, whereby the construction of the change-over mechanism of the change-over valve is made easily.
CONSTITUTION: At this side of abutted position of an enclosed cap member 7 at one end surface of a cylinder 1 with a head member 54, the other change-over valve changing over spring 73 is pressed against a large diameter flange part 72 at the end part of a hollow rod 71 and begins to bend, and when the cylinder 1 has reached the vicinity of a hand shift limit point, said spring 73 fully bends and is in a state where a predetermined resilient force has been stored, and finally overcomes the locking force of a locking member 37 which is in engagement with a second locking groove 36. The valve body 12 shifts in the right hand direction in the drawing together with the hollow rod 71, and the locking member 37 is engaged with a first locking groove 35, thus a change-over valve 10 being changed over. In this manner, the change-over valve is changed over by the resilient force of the spring, whereby the construction of the change-over mechanism becomes simple
COPYRIGHT: (C)1979,JPO&Japio
JP11570877A 1977-09-27 1977-09-27 Self-running type line penetrating machine Pending JPS5449594A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11570877A JPS5449594A (en) 1977-09-27 1977-09-27 Self-running type line penetrating machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11570877A JPS5449594A (en) 1977-09-27 1977-09-27 Self-running type line penetrating machine

Publications (1)

Publication Number Publication Date
JPS5449594A true JPS5449594A (en) 1979-04-18

Family

ID=14669227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11570877A Pending JPS5449594A (en) 1977-09-27 1977-09-27 Self-running type line penetrating machine

Country Status (1)

Country Link
JP (1) JPS5449594A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013031341A (en) * 2011-07-29 2013-02-07 Nippon Telegr & Teleph Corp <Ntt> Device and method for moving cable passing apparatus
WO2024022785A1 (en) * 2022-07-26 2024-02-01 Bz Bots Module forming a mechanical actuator of the muscle or fluidic bladder type, corresponding system and method of use

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1044201A (en) * 1962-10-10 1966-09-28 Post Office Improvements in or relating to pneumatic self-propelled apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1044201A (en) * 1962-10-10 1966-09-28 Post Office Improvements in or relating to pneumatic self-propelled apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013031341A (en) * 2011-07-29 2013-02-07 Nippon Telegr & Teleph Corp <Ntt> Device and method for moving cable passing apparatus
WO2024022785A1 (en) * 2022-07-26 2024-02-01 Bz Bots Module forming a mechanical actuator of the muscle or fluidic bladder type, corresponding system and method of use
FR3138490A1 (en) * 2022-07-26 2024-02-02 Bz Bots Module forming a mechanical actuator of the muscle or fluid balloon type, corresponding system and method of use

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