| 摘要 |
PROBLEM TO BE SOLVED: To provide a compact, light and simple door forced opening tool capable of having a new structure. SOLUTION: The door forced opening tool is equipped with the force front end section 3 and the basic front end section 4 arranged in parallel for inserting it in a space between a door 1 and a door frame 2, the front end section 4 is placed in the front end of the basic end section 5, a set box-like supporting body 7 is provided in approximately the center of the basic end section 5, the other force front end section 3 is fixed to a pedestal section rotatably engaging an inside thread cutting section with a columnar body which is made to carrying out thread cutting provided with the box-like supporting body 7 as the center in a rotatable manner, a pedestal member is lifted up between the a thread cutting of the columnar body and a thread cutting of the pedestal member by spiral motion by rotating a spanner engaging form 9 provided to the head section of the columnar body by a spanner 15 and, at the same time, the front end section 3 fixed thereto is lifted up to forcedly widen a space between the door 1 and the door frame 2. COPYRIGHT: (C)2007,JPO&INPIT
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