Title:
KNOB STRUCTURE OF THUMB-TURN
Document Type and Number:
Japanese Patent JP2005054396
Kind Code:
A
Abstract:
To provide a crime preventive thumb-turn knob easily mounted by anyone at a cost reduction and safely operable regarding the structure of the general crime preventive thumb-turn knob.
In the structure of the thumb-turn knob disposed at a front door or the like to lock and unlock the door by rotating operation, the thumb-turn knob is formed in spherical or cylindrical shape. This crime preventive thumb-turn knob can be easily mounted by anyone to an existing thumb-turn without any crime preventive countermeasures being taken.
Inventors:
TOKUDA JUNICHI
TSUKIJI YASUHIKO
TSUKIJI YASUHIKO
Application Number:
JP2003284622A
Publication Date:
March 03, 2005
Filing Date:
August 01, 2003
Export Citation:
Assignee:
TSUKIJI YASUHIKO
International Classes:
E05B13/00; (IPC1-7): E05B13/00