Shock absorbers for mooring guards

Details Shock absorbers for mooring guards Shock absorbers for mooring guards

1974-07-18

1976-04-06

Marbert, James B.

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

61 48, 114219, F16F 712

Patent

active

039485005

ABSTRACT:
A rubber shock absorber for a mooring guard comprising a hollow rubber element of revolution having a generally truncated conical shape adhering to a base plate with an angle of inclination A of its conical wall in the order of 60.degree. - 85.degree.. The rubber element has a hollow section with an axial length H and a conical wall with a radial thicknes E so dimensioned that the outer diameter D of the small base of the rubber element at right angles to the hollow section is substantially equal to the inner diameter d of the large base of the section. In this arrangement, the conical wall of the rubber element operates essentially through bending and extension towards the outside under a crushing stress comprising an axial component and provides lateral stability to counteract the tangential components of this stress.

REFERENCES:
patent: 2893665 (1959-07-01), Paulsen
patent: 3235244 (1966-02-01), Hein
patent: 3288405 (1966-11-01), Johnson
patent: 3418815 (1968-12-01), Kumazawa
patent: 3708988 (1973-01-01), Miura
patent: 3716999 (1973-02-01), Middelbeek
patent: 3831923 (1974-08-01), Meldrum

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