The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2003
Filed:
Mar. 16, 2001
Atle Larsen, Erie, PA (US);
Lord Corporation, Cary, NC (US);
Abstract
A lift strut with directional damping comprising a housing comprising a wall that defines a housing chamber, the housing defining an axis; spring means located in the chamber; piston means movable through the chamber along the axis in a first direction and a second direction, the spring means biasing the piston means in the first direction, the piston means comprising a shaft, a seat connected to the shaft along the shaft length, and a resilient member fixed to the seat, the resilient element comprising at least one primary damping ridge and a damping tongue, each of the at least one primary damping ridges being in friction engagement with the housing as the resilient member is moved in the first and second directions, the damping tongue being in engagement with the housing wall when the resilient member is moved in the first direction and being located away from the housing wall when the resilient member is moved in the second direction.