Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1993-02-08
1994-06-21
Oberleitner, Robert J.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
267219, F16F 1300
Patent
active
053222660
ABSTRACT:
A sleeve bearing comprising two thrust-bearing parts wherein one thrust-bearing part surrounds the other. The two thrust-bearing parts extend essentially parallel to one axis and are braced against each other by a resilient member made of rubber elastic material. The resilient member defines at least one pair of fluid-filled chambers which are connected by at least one damping opening and are arranged so that they diametrically oppose one another. The chambers are bounded in the axial direction on both sides by end walls, which are elastically deformable in one partial area. Each end wall has a rigid zone which resists deformation. At one end of each fluid chamber, the rigid zone of the end wall extends to the inner thrust-bearing part, and at the other end of each fluid chamber, the rigid zone of the end wall extends to the outer thrust-bearing part.
REFERENCES:
patent: 2614896 (1952-10-01), Pierce, Jr.
patent: 3147964 (1964-09-01), Wolf
patent: 3698703 (1972-10-01), Hipsher
patent: 4700934 (1987-10-01), Andra et al.
patent: 4705410 (1987-11-01), Broock
patent: 4861004 (1989-08-01), Yokota et al.
Ballato Josie A.
Firma Carl Freudenberg
Oberleitner Robert J.
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