Patent ID: 6637179
Filing Date: 2003-10-28
Classification: A01D,A01F

Abstract:
Apparatus for detecting the presence of a substantially non-compressible foreign object between contra-rotating, substantially parallel and opposing rotating rolls, the apparatus comprising:a first rotating rolls, rotatable on a shaft supported by a frame; a second rotating roll which is displaceable relative to the first roll for adjusting the spacing therebetween; and wherein the first and second contra-rotating rolls are oriented one above the other; microswitch, mounted for displacement with the second rotating roll, and having an inertially activated lever pivotally mounted for actuating the microswitch at a predetermined level of acceleration for emitting a signal when said acceleration of the second rotating roll and microswitch exceeds a predetermined level of acceleration said signal being indicative of the presence of a foreign object between the first and second rolls; and means for stopping the rotation of at least one of the first and second rolls upon said signal indicating the presence of a foreign object between the first and second rolls.