Door closer has actuating arm, with conical recess, connected non-positively with spacer block formed as circular conical disk, a recess complementing to driver shaft and cones of spacer block and actuating arm are stretched using screw
摘要
<p>Door closer (1) has an actuating arm (10) with conical recess. Actuating arm is connected non-positively with spacer block (21) formed as circular conical disk. A recess (11) is provided complementing to driver shaft (3). Cone of spacer block is stretchable with the cone of actuating arm by using a screw.</p>
