Importance

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Abstract

A stator (2), a rotor (5, 6, 7, 8), and an elastic element (3) and rolling members (4) are provided to collectively form a rotational damper. When the rotor has, with respect to the stator, a rotational movement to be moderated, the balls or rolling members (4) are driven by the rotor while remaining partially embedded in the elastic element (3), the latter having a wall (16) parallel to the end walls (10A, 10B) of the stator (2), in which the balls (4) penetrate, so as to resist and thereby dampen the rotational movement. This embodiment provides two-directional dampening. In accordance with a second embodiment, one-directional dampening is achieved by the balls (4) being disposed within variable depth recesses (24') of the rotor element (5').

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First Claim