Title:
DOOR LOCKING DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/039187
Kind Code:
A1
Abstract:
Provided is a door locking device that allows a user to easily ascertain whether a deadbolt is locked or unlocked even with the lights are out. The door locking device comprises a knob (6), a latch bolt (8) latched by rotation of the knob (6), a thumb turn (9), and a deadbolt (10) that is caused to lock and unlock the door (3) by rotation of the thumb turn (9). The thumb turn (9) has a base surface (9b) that is exposed into a room, and a handle (9a) that projects into the room from the base surface (9b). A light-emitting member is attached either to the base surface (9b) or to the front surface of the handle (9a), and a light-emitting member is not attached to the other surface, whereby a contrasting pattern is formed in which the front surface of the handle stands out from the bottom surface when the lights are out. The light-emitting member includes a light-storing material and/or a fluorescent material.
Inventors:
KIKUNAGA YUUICHI (JP)
Application Number:
PCT/JP2011/066049
Publication Date:
March 29, 2012
Filing Date:
July 14, 2011
Export Citation:
Assignee:
KIKUNAGA YUUICHI (JP)
International Classes:
E05B1/00
Foreign References:
| JP2003172053A | 2003-06-20 | |||
| JP2005188146A | 2005-07-14 | |||
| JP2005146816A | 2005-06-09 |
Attorney, Agent or Firm:
HIRANO, KAZUYUKI (JP)
Kazuyuki Hirano (JP)
Kazuyuki Hirano (JP)
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Claims: