Spring devices – Vehicle – Leaf
Patent
1975-03-19
1976-08-17
Marbert, James B.
Spring devices
Vehicle
Leaf
F16F 118
Patent
active
039750051
ABSTRACT:
The spring comprises at least one spring leaf formed from a bar having a circular cross-section and flattened progressively toward each end. The portions of the bar defining the ends have a substantially rectangular cross-section. The center part of the bar is cylindrical.
The flattened ends may be rolled round onto themselves to form eyes for the passage of spring fastening means.
The spring may have a plurality of such leaves and for a secondary leaf devoid of eyes.
REFERENCES:
patent: 1818040 (1931-08-01), Carteret
patent: 3705718 (1972-12-01), Fukui et al.
patent: 3814410 (1974-06-01), Fukui et al.
Marbert James B.
Ressorts du Nord S.A.
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