| 摘要 |
An apparatus for the variable braking of traveling threads, wires, or the like, in particular for use in connection with the introduction of the filling thread in looms, in which the thread (F) passes between two brake parts which can be brought into spring application against each other, one of which forms a spring element and the other an abutment, one of the brake parts being movable in order to vary the braking. In order to improve the efficiency, it is provided that the abutment is developed as a substantially cylindrical body (2) which is acted on rotatably by the spring element (1), having a first partial section (4, 5) which is substantially circular in cross section and a second partial section (8) which has at least one circumferential region (6, 7) of reduced cross section, the abutment being seated on the shaft (1) of an electric motor which is developed as stepping motor (9).
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