Patent · US Active

Piston for an air spring of a heavy-duty vehicle

US9157529B2 · kind B2 · utility

12Cited by

5References

15Claims

0Family size

Assignee

Hendrickson USA, L.L.C. · US

Inventors

Andrew J. Westnedge · Granville, US
Dmitriy E. Rubalskiy · Bolingbrook, US
Michael J. Keeler · Blacklick, US

Key dates

Filing date	May 16, 2012
Grant date	Oct 13, 2015
Priority date	—
Expiry date	Jan 19, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60G2300/02
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A piston for an air spring of a heavy-duty vehicle includes a sidewall and a central hub. The sidewall and the central hub are attached to a first bottom plate of the piston. A top plate is removeably attached to a top portion of the sidewall and a top portion of the central hub. A bottom portion of said central hub includes a second bottom plate that is recessed relative to the first bottom plate for attachment to a piston mounting pedestal that is in turn mounted to a beam of a suspension assembly of the heavy-duty vehicle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.