Spring devices – Elastic extension devices – Compression spring
Patent
1990-02-06
1992-06-02
Oberleitner, Robert J.
Spring devices
Elastic extension devices
Compression spring
267 35, 2671411, F16F 910, B60G 1162
Patent
active
051180863
ABSTRACT:
A compression spring useful in vehicle suspension applications has an extended plateau region in its force/deflection characteristics, such extended plateau being obtained by virtue of the formation of the spring as a tubular elastomer body of progressively increasing cross-section from one end to the other provided with longitudinally spaced-apart reinforcements defining bulging instability sites therebetween. The spring when under compression undergoes bulging sequentially at these sites.
REFERENCES:
patent: 3118659 (1964-01-01), Paulsen
patent: 3202412 (1965-08-01), Trask
patent: 3305227 (1967-02-01), Henley
patent: 3315951 (1967-04-01), Boschi et al.
patent: 3368806 (1968-02-01), Szonn
patent: 3606295 (1971-09-01), Appleton
patent: 3625501 (1971-12-01), Hein et al.
patent: 4355792 (1982-10-01), Fukada et al.
Harris John
Stevenson Andrew
Material Engineering Research Laboratory Ltd.
Muratori Alfred
Oberleitner Robert J.
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