Title:
PROTECTION DEVICE OF CYLINDER-LOCK
Document Type and Number:
WIPO Patent Application WO/2007/088765
Kind Code:
A1
Abstract:
A protection device of a cylinder-lock capable of switching between a state where
a mechanical key can be inserted into a key hole provided by an inner cylinder and
a state where the mechanical key cannot be inserted into the key hole when a magnet
lock to be unlocked according to the approach of a magnet is unlocked, wherein
a shutter mechanism (26), having an insertion hole (38) for admitting the insertion
of a mechanical key (15) into a key hole (16), a turning member (27) turning coaxially
with the turning axis of an inner cylinder (13) according to the turning operation
at unlocking of a magnet lock (35), and a shutter plate (28) interlocked and connected
with the turning member (27) so as to move between an open position for opening
the insertion hole (38) according to the turning of the turning member (27) and
a close position for fully closing the insertion hole (38), is disposed in a cylinder
body (11). Accordingly, it is possible to fully close an inner cylinder key hole
and make the shutter mechanism compact.
Inventors:
YUHI KAZUO (JP)
ISHITSUKA TAKASHI (JP)
ISHITSUKA TAKASHI (JP)
Application Number:
PCT/JP2007/051133
Publication Date:
August 09, 2007
Filing Date:
January 25, 2007
Export Citation:
Assignee:
HONDA LOCK KK (JP)
YUHI KAZUO (JP)
ISHITSUKA TAKASHI (JP)
YUHI KAZUO (JP)
ISHITSUKA TAKASHI (JP)
International Classes:
E05B17/18; B60R25/00; B60R25/04; E05B65/12
Foreign References:
| JPS615175A | 1986-01-10 | |||
| JP2004353192A | 2004-12-16 | |||
| JP2001303808A | 2001-10-31 |
Attorney, Agent or Firm:
OCHIAI, Takeshi et al. (6-3 Taito 2-chome, Taito-k, Tokyo 16, JP)
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