| 摘要 |
<p>A braking system (5) for an electric motor (1) comprises a plate-shaped driver (6), which drives a brake disc (10) by means of the motor (1). The brake disc (10) in turn drives a unit, such as a cutting unit of a rotary lawn mower. Between the driver (6) and the brake disc (10) there is some play, thanks to which ramp surfaces (19), that are pressed together by a helical spring (20), can move the brake disc (10) away from the motor (1) out of engagement with a number of brake blocks (24). <IMAGE></p> |
