Abstract: There is provided a vibratory feeder comprising an exciter for exciting the vibratory feeder and a damper assembly which is selectively activated. There is also provided a vibratory feeder comprising an exciter and a controllable viscosity fluid damper which is activated at a first level to reduce the stroke of the feeder. There is further provided a vibratory feeder for feeding product, the feeder including a spring for supporting a first mass from a second mass wherein a damper assembly is disposed between the first mass and the second mass, the damper assembly being selectively activated. There is also provided a packaging system comprising a vibratory feeder having a damper assembly which is selectively activated.

Abstract: Means and apparatus for use in a vibratory device such as an artide feeder. Said apparatus including a housing having changeable side plate selected from a group of side plates of different mass in order to allow mass adjustment of the artide feeder driving mass dependent on driven mass requirements. The vibratory device may also be associated with at least another vibratory device in either tandem or siamised Configurations by side plate selection.

Abstract: An isolator for use on a vibratory parts feeder incorporates a locating plate rotatable through three hundred sixty degrees in a horizontal plain to allow mounting adjustment and parts feeder micro alignment.