| 摘要 |
<p>A device comprising a casing (1) carrying supports (2) of the rotor (3), a cylindrical hinge (4) fixed onto the casing (1), a catch (7) attached to the casing (1) by a spring (6) and a brake shoe (11). A plate (10) is mounted on the casing (1) with the possibility of reciprocal movements, at least one brake shoe (11) and the said catch (7) being fixed onto that plate. </p> |
