Shock absorbing unit assisted by fiberglass reinforced spring

Details Shock absorbing unit assisted by fiberglass reinforced spring Shock absorbing unit assisted by fiberglass reinforced spring

1986-11-13

1989-01-31

Kashnikow, Andres

Spring devices

Compound

267217, 267227, 267149, F16F 302, F16F 136

Patent

active

048010197

ABSTRACT:
A shock absorbing spring device (A,C) is illustrated which includes a plurality of elongated, slender spring elements (B). The device may also include a central shock absorbing unit (10). Spring elements (B) comprise fiber reinforcing strands (32) embedded in the matrix material (31). Spring elements (B) have a contoured profile which includes a thickened medial bend (38) and a reverse bend (44) formed at ends (34,36). In this manner, spring elements (B) deflect outwardly from their longitudinal axis in a reliable manner when ends (34) and (36) are loaded with compression. In one embodiment of the device (A) spring elements (B) are arranged to deflect radially with respect to longitudinal axis (37) of the device. In another embodiment (C) medial portion (38) of spring elements (B) deflect circumferentially in a row about longitudinal axis (43) of the device. Preferably, the cross-section of spring elements (B) varies from a maximum thickness at medial portion (38) to a minimum thickness at ends (34,36) defining cantilevered arms (34a, 36a) which deflect in as medial portion (38) deflects outwardly. A second row (50) of spring elements (B') may be included for overload capacity.

REFERENCES:
patent: 1150714 (1915-08-01), Sparks
patent: 2594665 (1952-04-01), Lockwood
patent: 3181852 (1965-05-01), Paller
patent: 4389045 (1983-06-01), Taylor
"Light Van has Mass-produced 6RP Springs", David Scott and Jack Yamaguchi, Feb. 1986, pp. 113-116, Automotive Engineering.

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