| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a catch preventing tool for preventing a finger from being caught in a clearance between a handle part and a door knob body of a door. <P>SOLUTION: A door opening and closing device 1 includes the handle part 12 of a door knob to be held by a hand when opening and closing the door 11, the door knob body 13, and the catch preventing tool 14 which prevents the fingers holding the handle part 12 from moving toward the door knob body 13 when opening and closing the door 11. The catch preventing tool 14 includes a mounting part 2 mounted on the handle part 12, a contact part 3 which abuts on the door, and an expansion and contraction part 4 provided between the mounting part 2 and the contact part 3 in an expansible/contractible manner. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
