Patent ID: 7538281
Filing Date: 2009-05-26
Classification: G01G,Y10S

Abstract:
1. A load cell for use in a high precision system for measuring a load, the load cell generally defining a six sided horizontally elongated block comprising: a. a top surface, a bottom surface, a front face, a rear face, a first end and a second end; b. first and second front shear measurement areas on a planar surface of the load cell parallel with a plane defined by the front face, the first front shear measurement area having a first Wheatstone bridge strain gauge attached thereto located laterally from the first force contact area between the first force contact area the second force contact area and the second front shear measurement area having a second Wheatstone bridge strain gauge attached thereto located laterally from the first force contact area between the first force contact area and the third force contact area; c. first and second rear shear measurement areas on a planar surface of the load cell parallel with a plane defined by the rear face, the first rear shear measurement area having a third Wheatstone bridge strain gauge attached thereto located laterally from the first force contact area between the first force contact area the second force contact area and the second rear shear measurement area having a fourth Wheatstone bridge strain gauge attached thereto located laterally from the first force contact area between the first force contact area and the third force contact area; and