| 摘要 |
<p>The brick is for a construction toy. It consists of a housing (2), with a threaded spindle (3), and a toothed gear (4), formed as a nut on the spindle. The brick may be attached to other bricks (1), or groups of bricks. The spindle is displaced by an electric motor the drive block (5) of which may be attached to the brick, the spindle or a brick group. There is a head (9) for connection of the toy to be driven, and a pin (11) projecting through the spindle, to prevent turning.</p> |
