SINGLE SPINDLE TYPED AUTOMATIC OPENING AND SHUTTING APPARATUS

摘要

PURPOSE: A single spindle typed automatic opening and shutting apparatus is provided. Therefore, it is simple in construction and installed and removed conveniently, reduces installation and heating costs and saves manpower. CONSTITUTION: A single spindle typed automatic opening and shutting apparatus comprises: a drive motor(4) attached with a normal/reverse rotatable reduction gear; a heat installation cover(2) formed at the free end of a drive supporter moved in accordance with the rotation of a ground fixing supporter and a tunnel shaft(3).