Patent · US Active

Gas spring piston assembly as well as gas spring assembly and suspension system including same

US8807576B2 · kind B2 · utility

4Cited by

6References

20Claims

0Family size

Assignee

Firestone Industrial Products Company, LLC · US

Inventors

Paul P. Koeske · Fishers, US
Stephen C. Street · Carmel, US

Key dates

Filing date	Jan 19, 2012
Grant date	Aug 19, 2014
Priority date	—
Expiry date	Jan 19, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60G2400/51222
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A gas spring piston and compressive bladder assembly includes a gas spring piston (220) and a compressive bladder (222). The gas spring piston (220) includes an outer side wall. The compressible bladder (222) extends at least partially around the gas spring piston (220) and at least partially defines a bladder chamber (250). The compressible bladder (222) can be compressively engaged by an associated flexible (206) wall such that the compressible bladder (222) can generate a first pressure level within a quantity of gas within the bladder chamber (250). A gas spring assembly and a suspension system are also included.

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