Two piece piston for airsprings

Details Two piece piston for airsprings Two piece piston for airsprings

1984-12-14

1987-03-17

Reger, Duane A.

Spring devices

Vehicle

Comprising compressible fluid

29447, 267 6424, 403273, F16F 904, B23P 1102, F16B 400

Patent

active

046501665

ABSTRACT:
A composite piston 40 having a tapered outer sleeve 42 with a separately formed end plug 48 securely fitted into the larger diameter end of the sleeve for use in a rolling lobe airspring 20. Also a method of manufacturing the airspring 20 with a composite piston 40 in which the piston outer sleeve 42 is formed in a mold cavity using a solid inner core. The plug 48 is separately formed and then assembled into the composite piston for a rolling lobe airspring.

REFERENCES:
patent: 1101084 (1914-06-01), McCarty
patent: 1981334 (1934-11-01), Schmalz
patent: 2017419 (1935-10-01), Mercier
patent: 3013813 (1961-12-01), Kozicki
patent: 3078085 (1963-02-01), Bank
patent: 3081075 (1963-03-01), Selman
patent: 3956550 (1976-05-01), Sutch
patent: 4170926 (1979-10-01), Emmett
patent: 4489474 (1984-12-01), Brown et al.

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