HORIZONTALLY DRAWING OPEN-CLOSE DEVICE CAPABLE OF MAINTAINING AND MOVING HEAVY LOAD AND PASSING SMALL AUTOMOBILE, ETC.

摘要

PROBLEM TO BE SOLVED: To obtain the mounting structure of a horizontally drawing open-close device capable of maintaining heavy load and passing a small automobile on each floor of a multistory parking space or a space section formed on the travelling surface of the upper section of a crane in a factory. ;SOLUTION: A horizontally drawing device 10 assembled by flat plates 1 consisting of a rigid strong material and being folded and opened and closed is installed, and made to travel on a rail and freely opened and closed.;COPYRIGHT: (C)1998,JPO