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Patent Searching and Data


Title:
DOOR LOCK SYSTEM
Document Type and Number:
Japanese Patent JPH09291731
Kind Code:
A
Abstract:

To provide a lock system which can reduce personal expenses, can also prevent theft of inserted coins etc., and is provided at the entrance of a building so as to be easily utilized by users.

This door lock system is constituted so that it is provided at the entrance of a building for going in and out of persons, a door lock 4 is unlocked by charging a prescribed amount of money in money receiving parts 2, 3, simultaneously a measuring device 5 such as a timer is operated so as to maintain the unlocked condition in a prescribed condition such as a prescribed time, and when the prescribed condition such as the prescribed time elapses, the door lock 4 is automatically operated so as to be in the closed condition.


Inventors:
HIGUCHI KATSUNORI
Application Number:
JP1996000108851
Publication Date:
November 11, 1997
Filing Date:
April 30, 1996
Export Citation:
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Assignee:
HIGUCHI KATSUNORI
International Classes:
E05B43/00; E05B65/00; G04C23/38; G04F3/00; G07F7/04; G07F9/00; (IPC1-7): E05B43/00; E05B65/00; G04C23/38; G04F3/00; G07F7/04; G07F9/00
Attorney, Agent or Firm:
吉井 昭栄 (外2名)