| 摘要 |
<p>The dustbin is mounted on a three wheeled trolley (1) consisting of a circular hoop, and two fixed castors. A third castor is mounted on a swivel which carries an extended handle. The dustbin is supported on a pair of trunnions (4) which rest on the ends of a tubular support (9) welded to the frame. The end of one trunnion is fitted with a pulley (5) which may be driven by a motor through a belt to allow the tipping of the dustbin. The bin is in the form of a sphere and has a wide opening (3).</p> |
