JPS5320294A - Ramp door opening and closing system for use in automobile carrying ships or other - Google Patents

Ramp door opening and closing system for use in automobile carrying ships or other

Info

Publication number
JPS5320294A
JPS5320294A JP8044777A JP8044777A JPS5320294A JP S5320294 A JPS5320294 A JP S5320294A JP 8044777 A JP8044777 A JP 8044777A JP 8044777 A JP8044777 A JP 8044777A JP S5320294 A JPS5320294 A JP S5320294A
Authority
JP
Japan
Prior art keywords
door opening
closing system
automobile carrying
ramp door
carrying ships
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
JP8044777A
Other languages
Japanese (ja)
Other versions
JPS5618437B2 (en
Inventor
Hisao Hoshina
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.)
Ebara Corp
Original Assignee
Ebara 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 Ebara Corp filed Critical Ebara Corp
Priority to JP8044777A priority Critical patent/JPS5320294A/en
Publication of JPS5320294A publication Critical patent/JPS5320294A/en
Publication of JPS5618437B2 publication Critical patent/JPS5618437B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

PURPOSE: To provide a ramp door opening and closing system for use in automobile carrying ships or other, in which can assurance valve means is connected in the hydraulic circuit for controlling the operation of winch, so that locking means is not unlocked unless wire is completely wound up.
COPYRIGHT: (C)1978,JPO&Japio
JP8044777A 1977-07-07 1977-07-07 Ramp door opening and closing system for use in automobile carrying ships or other Granted JPS5320294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8044777A JPS5320294A (en) 1977-07-07 1977-07-07 Ramp door opening and closing system for use in automobile carrying ships or other

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8044777A JPS5320294A (en) 1977-07-07 1977-07-07 Ramp door opening and closing system for use in automobile carrying ships or other

Publications (2)

Publication Number Publication Date
JPS5320294A true JPS5320294A (en) 1978-02-24
JPS5618437B2 JPS5618437B2 (en) 1981-04-28

Family

ID=13718505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8044777A Granted JPS5320294A (en) 1977-07-07 1977-07-07 Ramp door opening and closing system for use in automobile carrying ships or other

Country Status (1)

Country Link
JP (1) JPS5320294A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113788111A (en) * 2021-10-11 2021-12-14 江苏科技大学 Electric drive landing device for small boat
CN113830225A (en) * 2021-10-11 2021-12-24 江苏科技大学 Electric control opening and closing system of boat landing equipment and control method thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS633534U (en) * 1986-06-25 1988-01-11
JPS639741A (en) * 1986-06-30 1988-01-16 Sanwa Tekki Corp Hydraulic vibration isolator
CN107600330A (en) * 2017-08-29 2018-01-19 广船国际有限公司 A kind of gangway ladder control and drive system and method
CN107339268B (en) * 2017-08-29 2019-03-22 广船国际有限公司 A kind of control of gangway ladder and drive system and its method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113788111A (en) * 2021-10-11 2021-12-14 江苏科技大学 Electric drive landing device for small boat
CN113830225A (en) * 2021-10-11 2021-12-24 江苏科技大学 Electric control opening and closing system of boat landing equipment and control method thereof
CN113788111B (en) * 2021-10-11 2022-11-01 江苏科技大学 Electric drive landing device for small boat

Also Published As

Publication number Publication date
JPS5618437B2 (en) 1981-04-28

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