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Patent Searching and Data


Title:
LOCK CYLINDER
Document Type and Number:
Japanese Patent JPH02236373
Kind Code:
A
Abstract:

PURPOSE: To bear a high locking load by pivotally installing a locking member in the recess section of a tumbler pin and performing locking at a position in front of a stop of a cylinder case.

CONSTITUTION: When a key 15 is inserted into a cylinder core 11, a coil 21 is connected to a power source, and the N pole and S pole are formed in the pole 22' and pole" of a C-shaped armature respectively rotating a locking member 33. In the next step, a locking edge section 39 moves to a position in front of a stop 38' to prevent a tumbler pin 23 from displacing. Then, an electronic state is recognized by a reading device. If the key 15 is correctly positioned, the locking member is returned to a neutral position by a permanent magnet 35, and the N and S poles of the magnet 35 face to core pieces 36 and 37. In addition, while a cylinder pin 11 is being twisted, the tumbler pin 23 is driven downward by a locking notch 31, and a compression spring 29 is compressed for locking.


Inventors:
BUERUNERU BOOZERU
GIIZERUHERU JIIKU
ROBERUTO BUEEDEKINTO
Application Number:
JP2037390A
Publication Date:
September 19, 1990
Filing Date:
January 30, 1990
Export Citation:
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Assignee:
DOMU ZUITSUHIYAAHAITSUTEKUNIIK
International Classes:
E05B47/00; E05B47/06; E05B27/00; (IPC1-7): E05B27/00; E05B47/06
Attorney, Agent or Firm:
Minoru Nakamura (7 outside)