Title:
LOCKING DEVICE AND UNLOCKING DEVICE
Document Type and Number:
Japanese Patent JP3833320
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To accelerate locking and unlocking operation by locking by the operation of engaging a projection part to a hole part and unlocking by arranging an intense magnet on the opposite side of a restraining pin whose base tip part consists of a magnetic body.
SOLUTION: Concerning a main body 12, an outer case 15 consists of hard plastic and a well-known sensor for preventing shoplifting is arranged in it. A circular hole part 11 is provided in the center of the part 12, insertion holes 16 and 17 are provided for the part 11 and restraining pins 18 and 19 consisting of magnetic steal are arranged for the holes 16 and 17. The front parts of the pins 18 and 19 are supported by the holes 16 and 17, the rear parts are supported by sliding holes 20 and 21 and flanges 22 and 23 are provided at an intermediate part. Within chambers on both sides of the case 5, springs 26 and 27 of elastic material one tip of which is abutted on the flanges 22 and 23 and the other tip of which is fixed to the tip parts within the chambers 24 and 25 to always energize the pins 18 and 19 in a central direction.
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Inventors:
Kenji Watanabe
Enoki Shigenari
Masayuki Ota
Enoki Shigenari
Masayuki Ota
Application Number:
JP32780896A
Publication Date:
October 11, 2006
Filing Date:
November 22, 1996
Export Citation:
Assignee:
Castle Co., Ltd.
Takachiho Trading Co., Ltd.
Takachiho Trading Co., Ltd.
International Classes:
A47F7/024; (IPC1-7): A47F7/024
Domestic Patent References:
| JP58177463U |
Attorney, Agent or Firm:
Fujio Nakamae
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