Patent ID: 7051639
Filing Date: 2006-05-30
Classification: F15B,G01D

Abstract:
1. A cylinder assembly comprising: a cylinder body having a longitudinally arranged cylinder chamber therein, a first threaded area on the cylinder body, and a cylinder aperture in the cylinder body, the cylinder aperture intersecting the cylinder chamber; a gland member having a rod opening therein, the gland member being disposed within the cylinder chamber of the cylinder body, the gland member having a second threaded area on the gland member, the second threaded area being threadedly engaged with the first threaded area of the cylinder body; a rod member movably arranged within the cylinder chamber of the cylinder body and the rod opening of the gland member, the rod member having one or more detectable features disposed along the length of the rod member; a position sensor attached to at least one of the cylinder body and the gland member and arranged in general alignment with a path of the one or more detectable features, the position sensor being operable to detect the one or more detectable features; and a stake member arranged within the cylinder aperture and engaging the gland member, the stake member being operable to substantially rotationally fix the gland member relative the cylinder body.