EP 0068988 A1 19830105 - Locking mechanisms and method of magnetizing a locking magnet therefor.
Title (en)
Locking mechanisms and method of magnetizing a locking magnet therefor.
Title (de)
Schliessmechanismen und Verfahren zum Magnetisieren eines Schliessmagneten dafür.
Title (fr)
Mécanismes de fermeture et procédé pour magnétiser un aimant de fermeture pour de tels mécanismes.
Publication
Application
Priority
US 27597981 A 19810622
Abstract (en)
The method starts from a magnet (14) having its opposite ends magnetized such that north and south pole be equally strong. One pole (N) of the locking magnet is connected to the opposite pole (S) of a second magnet (30). A magnetic field is applied to the opposite end (S) of the locking magnet, and is collapsed to reverse the polarity of said opposite end, whereby the strenght of the magnetic pole adjacent the second magnet becomes relatively weak compared to the pole adjacent the magnetic field. Use in order to prevent undesirable interaction between the locking magnets in magnetic locksets.
IPC 1-7
IPC 8 full level
E05B 47/00 (2006.01); E05B 49/00 (2006.01); H01F 7/02 (2006.01); H01F 13/00 (2006.01)
CPC (source: EP KR)
E05B 27/00 (2013.01 - KR); E05B 47/0043 (2013.01 - EP); H01F 7/02 (2013.01 - KR); H01F 7/0242 (2013.01 - EP); H01F 13/003 (2013.01 - EP)
Citation (search report)
- [A] CH 620492 A5 19801128 - FICHTEL & SACHS AG
- [AD] US 4133194 A 19790109 - SEDLEY BRUCE S, et al
- [T] W.H. WESTPHAL: "Kleines Lehrbuch der Physik" 6th to 8th editions, 1967, SPRINGER-VERLAG, Berlin/Heidelberg/New York, page 139 and following pages, chapter 5, Section I. Magnete. Magnetische Felder, page 140, lines 5 to 7
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0068988 A1 19830105; EP 0068988 B1 19850911; AT E15521 T1 19850915; AU 549917 B2 19860220; AU 8508982 A 19830106; CA 1227654 A 19871006; DE 3266179 D1 19851017; DE 68988 T1 19830511; ES 513264 A0 19830701; ES 8307327 A1 19830701; HK 61187 A 19870828; JP H03477 B2 19910108; JP S584070 A 19830111; KR 840000725 A 19840227; KR 910002019 B1 19910330; MX 156554 A 19880909; PH 22562 A 19881017; SG 33587 G 19870717
DOCDB simple family (application)
EP 82401109 A 19820618; AT 82401109 T 19820618; AU 8508982 A 19820622; CA 405433 A 19820617; DE 3266179 T 19820618; DE 82401109 T 19820618; ES 513264 A 19820618; HK 61187 A 19870820; JP 8959882 A 19820526; KR 820002700 A 19820617; MX 19318482 A 19820616; PH 27469 A 19820622; SG 33587 A 19870410