JPS5317878A - Hydraulic rotary actuator - Google Patents

Hydraulic rotary actuator

Info

Publication number
JPS5317878A
JPS5317878A JP9233076A JP9233076A JPS5317878A JP S5317878 A JPS5317878 A JP S5317878A JP 9233076 A JP9233076 A JP 9233076A JP 9233076 A JP9233076 A JP 9233076A JP S5317878 A JPS5317878 A JP S5317878A
Authority
JP
Japan
Prior art keywords
rotary actuator
hydraulic rotary
provision
spring member
stable operation
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
JP9233076A
Other languages
Japanese (ja)
Other versions
JPS5627724B2 (en
Inventor
Akira Dobashi
Akio Kitsui
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9233076A priority Critical patent/JPS5317878A/en
Publication of JPS5317878A publication Critical patent/JPS5317878A/en
Publication of JPS5627724B2 publication Critical patent/JPS5627724B2/ja
Granted legal-status Critical Current

Links

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  • Actuator (AREA)

Abstract

PURPOSE: To obtain a hydraulic rotary actuator of stable operation wherein satisfactory lubricating films can be formed both for the upper seal and the lower seal by the provision of a spring member acting in the direction of upwardly displacing the portion portion.
COPYRIGHT: (C)1978,JPO&Japio
JP9233076A 1976-08-04 1976-08-04 Hydraulic rotary actuator Granted JPS5317878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9233076A JPS5317878A (en) 1976-08-04 1976-08-04 Hydraulic rotary actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9233076A JPS5317878A (en) 1976-08-04 1976-08-04 Hydraulic rotary actuator

Publications (2)

Publication Number Publication Date
JPS5317878A true JPS5317878A (en) 1978-02-18
JPS5627724B2 JPS5627724B2 (en) 1981-06-26

Family

ID=14051370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9233076A Granted JPS5317878A (en) 1976-08-04 1976-08-04 Hydraulic rotary actuator

Country Status (1)

Country Link
JP (1) JPS5317878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6380302U (en) * 1986-11-14 1988-05-27

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57103525U (en) * 1980-12-17 1982-06-25

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933072A (en) * 1972-08-01 1974-03-26

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933072A (en) * 1972-08-01 1974-03-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6380302U (en) * 1986-11-14 1988-05-27

Also Published As

Publication number Publication date
JPS5627724B2 (en) 1981-06-26

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