FUTTER FUER WERKZEUGE.

摘要

A chuck for tools comprises a main body (1) in which an axial center hole (4) and a plurality of slanting holes (5) extending radially from the center hole are formed, a plurality of jaws (2) each being slidably inserted in each slanting hole and formed, at its outer surface, with a male screw (7), a rotary member having (19) a female screw (8) in meshing engagement with the male screws and mounted in the main body so as to be permitted for only rotation, a first grip integrally (17) connected to the main body, and a second grip (23) securely connected to the rotary member (19) to cooperate therewith.