FIELD: mechanization of handling operation, possibly in rotators and stays for fixing cylindrical articles, in apparatus for clamping parts. SUBSTANCE: device includes double-link rocking arm with spring, pressure roller, rotation drive unit and stopper rigidly secured to frame. Synchronization unit is in the form of two additional levers jointly connected by means of tie rod and limiting brace. One of additional levers is jointly mounted on rocking pin of double-link arm. Rod of rotation drive unit is jointly connected with first additional lever joined by means of limiting brace and spring with first link of double-link rocking arm. First link has dent engaging at its rotation with above mentioned stopper. Such structure prevents article knocking out from supporting rollers, readjustment of apparatus for different-diameter articles and provides uniform clamping effort for cylindrical articles. EFFECT: improved design. 6 dwg
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