Patent ID: 6993850
Filing Date: 2006-02-07
Classification: G01B

Abstract:
1. A measuring device for measuring the thickness of objects, said device being mountable on a machine adapted to move the objects along a reference plane past said device, said device comprising: an elongated guide shoe being positionable adjacent to said reference plane, said guide shoe having a bottom surface facing said reference plane and engageable with said objects as they move past said device between said shoe and said reference plane, said guide shoe having an opening in said bottom surface; a linkage supporting said guide shoe such that said guide shoe is pivotally movable toward and away from said reference plane in the manner of a four-bar linkage in response to said objects passing between said guide shoe and said reference plane; a transducer engageable with said guide shoe and having a measuring roller extending through said opening in said guide shoe bottom surface for engaging said objects, said transducer being biased into engagement with said guide shoe, said transducer generating an electrical signal proportional to motion of said measuring roller toward and away from said reference plane, said motion being indicative of the thickness of said objects.