Air spring with debris and ice barrier

Details Air spring with debris and ice barrier Air spring with debris and ice barrier

2011-06-28

2011-06-28

Schwartz, Christopher P (Department: 3657)

Spring devices

Vehicle

Comprising compressible fluid

C267S064230

Reexamination Certificate

active

07967280

ABSTRACT:
An air spring including a spring seat, and a flexible sleeve connected to the spring seat. The flexible sleeve forms a compression chamber and includes a lobe that rolls along a surface of the spring seat during compression of the flexible sleeve. An annular barrier is disposed on the spring seat between the lobe of the flexible sleeve and the surface of the spring seat to deflect debris and ice from becoming lodged or trapped in the spring seat that may damage the flexible sleeve.

REFERENCES:
patent: 3596895 (1971-08-01), Hirtreiter
patent: 4934667 (1990-06-01), Pees et al.
patent: 6637733 (2003-10-01), Weitzenhof et al.
patent: 6845973 (2005-01-01), Ferrer
patent: 7188827 (2007-03-01), Thomae et al.

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