Apparatus for clearing the weigh pan of a particle size analyzer
AssigneeRotex, Inc.
InventorGlenn J. Pogue
Life of this patent
Estimating the term…
Abstract
An apparatus for automatically removing particulate matter from a weighing pan of a particle-size analyzer. The apparatus includes a weighing pan having a hinged door to provide a discharge outlet for the particular matter and a wiper blade assembly for clearing the particulate matter from the weighing pan. The apparatus further includes a driving mechanism, preferably a rodless cylinder, for operating the wiper assembly in the weighing pan.
Claims16
Apparatus for clearing the weigh pan of a particle size analyzer, comprising:
- a pan for receiving a sample of particulate matter, said pan including a discharge outlet through which the particulate sample can be discharged;
- wiper means for moving the particulate sample out through said discharge outlet;
- means for driving said wiper means to so move the particulate sample from said pan;
- and
- means for raising and lowering said pan to engage and disengage said drive means.
In a particle-size analyzer including a scale and means for supplying a particulate matter sample to said analyzer for analysis, the improvement comprising apparatus for clearing the weigh pan of the particle size analyzer comprising:
- a pan for receiving a sample of particulate matter, said pan adapted to rest o n the scale and including a discharge outlet through which the particulate sample can be discharged;
- wiper means for pushing the particulate sample out through said discharge outlet;
- means for driving said wiper means to push the particulate sample from said receiving pan;
- and
- means for raising and lowering said pan off and on the scale, respectively, to engage and disengage said drive means.
Dependencies are inferred from the claim text.