Patent ID: 6596949
Filing Date: 2003-07-22
Classification: G01G,G01L,Y10S

Abstract:
A tank weighing assembly comprising a load cell, a base plate and mounting members yieldably connecting said load cell to said base plate;said load cell comprising an outer ring portionhaving an upper surface adapted to come into contact with load bearing members supporting a tank, a central hub having a bottom contact surface and web means connecting said ring to said hub, said web means undergoing deflection when weight is applied to said upper ring portion while said lower surface of said hub is supported, said load cell further including means for measuring said deflection and providing a signal indicative of an amount of the said weight, said load cell having defined therein an axially extending bolt-receiving aperature; said mounting members including a pair of mating arcuate contact surfaces, one arcuate surface comprising said bottom contact surface of said hub and the other mating surface comprising an upward protrusion at a central location of said base plate and an axially extending bolt securing said load cell to said base plate; said bolt having a countersunk head and a body of uniform diameter below a countersunk portion thereof, said countersunk portion defining a first prescribed angle with respect to vertical; said aperture through said load cell defined by wall members generally conforming to said bolt, except that a second prescribed angle defined in a wall portion adjacent to countersunk portion of said bolt has a value slightly differing from said first prescribed angle and said aperture is sized to provide a gap between said bolt and said wall.