JPS5219853A - Spring hinge device utilizing electromagnetic force - Google Patents
Spring hinge device utilizing electromagnetic forceInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6553626B2 (en) | 2001-08-27 | 2003-04-29 | Lee Valley Tools, Ltd. | Magnetic hinge |
-
1975
- 1975-08-07 JP JP9603475A patent/JPS5219853A/en active Pending
Cited By (1)
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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