Spring devices – Vehicle – Comprising compressible fluid
Patent
1993-11-30
1996-07-16
Graham, Matthew C.
Spring devices
Vehicle
Comprising compressible fluid
267122, F16F 904
Patent
active
055359949
ABSTRACT:
The airspring piston of this invention in some of its aspects comprises a cylindrical center portion whose lower end defines a piston bottom including a retainer for a fastener attaching said piston to an unsprung portion of a vehicle, an annular dome portion extending radially outward from a top end of cylindrical portion and ending at its outer periphery with a downwardly and outwardly arcuate bead retention portion which in turn concludes with a skirt portion which extends downwardly and flares outwardly and further downwardly to a point where the end of the skirt portion is a predetermined distance above said piston bottom. The piston may contain a plurality of circumferentially spaced ribs and a plurality of circumferentially spaced gussets to strengthen the piston.
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patent: 4506910 (1985-03-01), Bierens
patent: 4718658 (1988-01-01), Geno
patent: 4787607 (1988-11-01), Geno et al.
patent: 4890823 (1990-01-01), Koschinat et al.
patent: 5005808 (1991-04-01), Warmuth, II et al.
patent: 5060916 (1991-10-01), Koschinat et al.
patent: 5180146 (1993-01-01), Schneider et al.
patent: 5201500 (1993-04-01), Ecktman et al.
Dion Sr. Marc R.
Graham Matthew C.
The Goodyear Tire & Rubber Company
Wolfe J. D.
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