Deflection jounce bumper for strut suspension

Details Deflection jounce bumper for strut suspension Deflection jounce bumper for strut suspension

1986-03-21

1987-07-21

Butler, Douglas C.

Spring devices

Vehicle

Bolster

267 22A, 267 63R, 267140, 2671416, 267153, 280668, F16F 136

Patent

active

046813047

ABSTRACT:
An improved deflection jounce bumper for a vehicle suspension strut. The bumper is a generally cylindrical shaped elastomeric member having a solid upper hub portion encircling the strut piston rod. A lower impact portion of the bumper has outer and inner concentric wall portions defining an intermediate downwardly opening channel. The wall sections are interconnected by a plurality of integral column-like mirror image arcuate bridging segments defining therebetween an axial blind bore. Upon the bumper being impacted the wall sections together with the bridging segments stretch to absorb impact energy thereby providing initially high dampening load displacement resistance.

REFERENCES:
patent: 2515422 (1950-07-01), Pietz
patent: 3323763 (1967-06-01), Butts
patent: 3954257 (1976-05-01), Keijzer et al.
patent: 4175770 (1979-11-01), Draisbach et al.
patent: 4235426 (1980-11-01), Sullivan, Jr. et al.
patent: 4248454 (1981-02-01), Cotter et al.
patent: 4256292 (1981-03-01), Sullivan, Jr. et al.

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