Extractor, comprising gripping arms rotating around guides forming a curved path

摘要

The extractor is assembled of a transversal basic part (1) with a spring (4) accommodating cup (3) on top and two gripping arms (2a, b, c) moved with a pressure spindle (7) and swivel mounted to two laterally positioned vertical extensions (14). Each of the arms (2a, b, c) is provided with a projection (9a, b, c) at the top guided along curved grooves (10a, b, c) located at the lower surface of the spring accommodating element (3) and openings (13a, b, c) for the insertion of a bolt (8a, b, c) serving as a rotation axle.