Title:
LOCK SYSTEM
Document Type and Number:
WIPO Patent Application WO/2002/036912
Kind Code:
A1
Abstract:
A lock system, characterized by comprising a first lock (1), a second lock (2), unlocking prevention means (2a, 4) preventing the second lock (2) from being unlocked, unlocking prevention releasing means (7, 8) releasing the function of the second lock (2) unlocking prevention by the unlocking prevention means (2a, 4) according to the unlocking operation of the first lock (1), and unlocking prevention release state holding means (9, 10a, 10b, 10c, 12, 50) holding, for a specified period, the state where the function of the second lock (2) unlocking prevention is released.
Inventors:
SAITO TSUGIO (JP)
Application Number:
PCT/JP2001/006694
Publication Date:
May 10, 2002
Filing Date:
August 03, 2001
Export Citation:
Assignee:
SAITO TSUGIO (JP)
International Classes:
E05B47/06; E05B63/14; (IPC1-7): E05B63/14; E05B17/22; E05B47/00; E05B65/02
Foreign References:
| JPH06264658A | 1994-09-20 | |||
| JPS296398B1 | ||||
| JPH05202659A | 1993-08-10 | |||
| JPH0619239U | 1994-03-11 |
Attorney, Agent or Firm:
Miyoshi, Hidekazu (2-8 Toranomon 1-chome, Minato-k, Tokyo 01, JP)
Download PDF: