Title:
A SCREW LOCK
Document Type and Number:
WIPO Patent Application WO/2002/088497
Kind Code:
A1
Abstract:
The present invention relates to a screw lock, wherein a core (10) is provided in the interior of the body (20), a key hole (11) formed to be a fork shape is provide in the center of the core in axel direction, and the screw holes have some pins (21, 12) respectively; a front end of the key (40) corresponding to the kek hole (11) and the pins (21, 12) is designed to be a fork-like screw shank (42) with many teeth (43). When the key (40) is screwed into the key hole (11) of the core (10), each of the teeth (43) may raise a pin to the unlock position.
Inventors:
HUANG YUNG-CHEN (CN)
Application Number:
PCT/CN2001/000618
Publication Date:
November 07, 2002
Filing Date:
April 26, 2001
Export Citation:
Assignee:
HUANG YUNG-CHEN (CN)
International Classes:
E05B35/06; E05B27/00; E05B67/24; (IPC1-7): E05B35/06
Foreign References:
| CN2173296Y | 1994-08-03 | |||
| CN2382795Y | 2000-06-14 | |||
| US4454735A | 1984-06-19 |
Other References:
See also references of EP 1405968A4
Attorney, Agent or Firm:
CHINA SCIENCES PATENT & TRADEMARK AGENT LIMITED (Zhongke Building 16th floor 80 Haidian Road
Haidian District Beijing 0, CN)
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