JPS51122927A - Door closer - Google Patents

Door closer

Info

Publication number
JPS51122927A
JPS51122927A JP4770775A JP4770775A JPS51122927A JP S51122927 A JPS51122927 A JP S51122927A JP 4770775 A JP4770775 A JP 4770775A JP 4770775 A JP4770775 A JP 4770775A JP S51122927 A JPS51122927 A JP S51122927A
Authority
JP
Japan
Prior art keywords
door closer
reduction
cost
size
closer
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
JP4770775A
Other languages
Japanese (ja)
Inventor
Hiroshi Miyazawa
Hisao Tanabe
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.)
Tokico Ltd
Original Assignee
Tokico 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 Tokico Ltd filed Critical Tokico Ltd
Priority to JP4770775A priority Critical patent/JPS51122927A/en
Publication of JPS51122927A publication Critical patent/JPS51122927A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: Size-reduction and cost-down of a door closer.
COPYRIGHT: (C)1976,JPO&Japio
JP4770775A 1975-04-19 1975-04-19 Door closer Pending JPS51122927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4770775A JPS51122927A (en) 1975-04-19 1975-04-19 Door closer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4770775A JPS51122927A (en) 1975-04-19 1975-04-19 Door closer

Publications (1)

Publication Number Publication Date
JPS51122927A true JPS51122927A (en) 1976-10-27

Family

ID=12782760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4770775A Pending JPS51122927A (en) 1975-04-19 1975-04-19 Door closer

Country Status (1)

Country Link
JP (1) JPS51122927A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100965943B1 (en) * 2009-08-26 2010-06-24 우생윤 Auto door closer unit
WO2020137570A1 (en) * 2018-12-27 2020-07-02 スガツネ工業株式会社 Damper device
JP2020523505A (en) * 2017-06-16 2020-08-06 ロシノックスＬｏｃｉｎｏｘ Hydraulic damping actuator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4840237B1 (en) * 1967-11-07 1973-11-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4840237B1 (en) * 1967-11-07 1973-11-29

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100965943B1 (en) * 2009-08-26 2010-06-24 우생윤 Auto door closer unit
WO2011025251A2 (en) * 2009-08-26 2011-03-03 주식회사 고도기연 Automatic door closure unit
WO2011025251A3 (en) * 2009-08-26 2011-06-30 주식회사 고도기연 Automatic door closure unit
US8677561B2 (en) 2009-08-26 2014-03-25 Saeng Yoon Woo Automatic door closure unit
JP2020523505A (en) * 2017-06-16 2020-08-06 ロシノックスＬｏｃｉｎｏｘ Hydraulic damping actuator
JP2022062110A (en) * 2017-06-16 2022-04-19 ロシノックス Liquid pressure damping actuator
WO2020137570A1 (en) * 2018-12-27 2020-07-02 スガツネ工業株式会社 Damper device
JPWO2020137570A1 (en) * 2018-12-27 2021-02-18 スガツネ工業株式会社 Damper device
US11732517B2 (en) 2018-12-27 2023-08-22 Sugatsune Kogyo Co., Ltd. Damper device

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