Patent ID: 9169932
Filing Date: 2015-10-27
Classification: F16C,F16J,G01F,Y10T

Abstract:
1. A seal and pivot assembly for a displacement level assembly, the seal and pivot assembly comprising: a pivot base comprising a cylindrical base member disposed on a longitudinal axis, an axial end surface, and a cylindrical through-bore extending through the cylindrical base member along the longitudinal axis, the axial end surface defining first and second grooves that extend along a transverse axis of the pivot base that is perpendicular to the longitudinal axis; an annular seal member carried within the through-bore of the cylindrical base member of the pivot base; and a pivot body comprising a cylindrical body member disposed on the longitudinal axis, first and second pivot body arms extending radially outward from opposite sides of the cylindrical body member, and a cylindrical through-bore extending through the cylindrical body member along the longitudinal axis coaxially with the cylindrical through-bore of the cylindrical base member, the first and second pivot body arms including first and second knife edges, respectively, that extend along the transverse axis of the pivot base and in line contact with the first and second grooves, respectively such that the pivot body can pivot relative to the pivot base about a pivot axis that is coaxial with the transverse axis.