Patent ID: 9347513
Filing Date: 2016-05-24
CPC Classification: B32B,F16F,H01H

Claim Text:
1. A hydraulic damper for an electrical switching apparatus comprising: a damper enclosure including an inner wall; a chamber defined by the inner wall, the chamber having a first end, a second end; a tapered portion of the chamber extending from a tapered portion initial end to a tapered portion terminal end, the tapered portion angled inwardly in a direction from the first end toward the second end of the chamber; a press rod at least partially disposed within the chamber, wherein the press rod is operatively coupled to the second end of the chamber with a resilient member; a piston having a piston outer surface and disposed within the chamber and having an initial position adjustable in a longitudinal direction of the chamber, the piston adjustable relative to the press rod using an adjustment component; and a gap defined by the piston outer surface and the inner wall, wherein adjustment of the piston in the longitudinal direction adjusts the gap.