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

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.