| 摘要 |
<p>A member (63) within a container (50) is reciprocated to vibrate the container contents. The present invention provides a drive unit (70) which can be releasably connected to the reciprocable member (63) so that the drive unit can be used for other purposes, such as for driving the reciprocable members of other containers, when not required for the container in question. The drive unit comprises a reciprocable output member (77) with releasable means (79) for drivably connecting the output member with the reciprocable member of the container and means (57, 73) for removably mounting the container on the drive unit.</p> |
