Bearing, guide arrangements or suspension allowing movement in more than one plane

Official title: {Bearing, guide arrangements or suspension allowing movement in more than one plane, e.g. there is more than one moving weight, or more than one plane in which the weight moves, and it can change place relative to the clockwork}

G04B5/187 (Bearing, guide arrangements or suspension allowing movement in more than one plane) appears on 4 US grants and 4 published applications in this corpus.