JPS5219853A - Spring hinge device utilizing electromagnetic force - Google Patents

Spring hinge device utilizing electromagnetic force

Info

Publication number
JPS5219853A
JPS5219853A JP9603475A JP9603475A JPS5219853A JP S5219853 A JPS5219853 A JP S5219853A JP 9603475 A JP9603475 A JP 9603475A JP 9603475 A JP9603475 A JP 9603475A JP S5219853 A JPS5219853 A JP S5219853A
Authority
JP
Japan
Prior art keywords
electromagnetic force
hinge device
device utilizing
spring hinge
utilizing electromagnetic
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
JP9603475A
Other languages
Japanese (ja)
Inventor
Shozo Iwai
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP9603475A priority Critical patent/JPS5219853A/en
Publication of JPS5219853A publication Critical patent/JPS5219853A/en
Pending legal-status Critical Current

Links

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

PURPOSE: To eliminate the spring resistance produced when a swing door is opened, by the action of electromagnetic force.
COPYRIGHT: (C)1977,JPO&Japio
JP9603475A 1975-08-07 1975-08-07 Spring hinge device utilizing electromagnetic force Pending JPS5219853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9603475A JPS5219853A (en) 1975-08-07 1975-08-07 Spring hinge device utilizing electromagnetic force

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9603475A JPS5219853A (en) 1975-08-07 1975-08-07 Spring hinge device utilizing electromagnetic force

Publications (1)

Publication Number Publication Date
JPS5219853A true JPS5219853A (en) 1977-02-15

Family

ID=14154145

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9603475A Pending JPS5219853A (en) 1975-08-07 1975-08-07 Spring hinge device utilizing electromagnetic force

Country Status (1)

Country Link
JP (1) JPS5219853A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6553626B2 (en) 2001-08-27 2003-04-29 Lee Valley Tools, Ltd. Magnetic hinge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6553626B2 (en) 2001-08-27 2003-04-29 Lee Valley Tools, Ltd. Magnetic hinge

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