Title:
A MAGNETIC KEY OPERABLE HANDCUFF
Document Type and Number:
WIPO Patent Application WO/2000/052287
Kind Code:
A1
Abstract:
A magnetic key operable handcuff, which includes an arcuate blade (10), an arcuate cheek (11), a lock cylinder (2) and a chain link (14), the arcuate blade (10) and the arcuate cheek (11) being pivotably jointed by the shaft (7), two opposite magnetic pins (3) being movably set in the central part of the lock cylinder (2), a locking actuating ring (4) being arranged on the outer circumference of the end of the lock cylinder (2), two teeth (5, 6) being formed on the locking acuacting ring (4), the two teeth being each engaged with a paw (9) having two teeth and a security latch (8), the security latch (8) being engaged with a leaf-type bolt spring (12), the end of the security latch (8) being abutted on a security elongated pushing element (13), the paw (9) being resiliently biased by the leaf-type bolt spring (12).
Inventors:
WU QINNONG (CN)
ZHANG XINMING (CN)
ZHANG XINMING (CN)
Application Number:
PCT/CN2000/000021
Publication Date:
September 08, 2000
Filing Date:
February 03, 2000
Export Citation:
Assignee:
WU QINNONG (CN)
ZHANG XINMING (CN)
ZHANG XINMING (CN)
International Classes:
E05B75/00; E05B47/00; (IPC1-7): E05B75/00
Foreign References:
| CN2101076U | 1992-04-08 | |||
| CN2212052Y | 1995-11-08 | |||
| CN2065227U | 1990-11-07 | |||
| CN2095919U | 1992-02-12 | |||
| CN2069903U | 1991-01-23 | |||
| CN2081862U | 1991-07-31 | |||
| US4287731A | 1981-09-08 | |||
| US4314466A | 1982-02-09 | |||
| US4574600A | 1986-03-11 | |||
| US4694666A | 1987-09-22 |
Attorney, Agent or Firm:
Junfeng GU. (435 Guiping Road, Shanghai 3, CN)
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