Supports – Including energy absorbing means – e.g. – fluid or friction...
Patent
1980-12-24
1983-10-11
Britts, Ramon S.
Supports
Including energy absorbing means, e.g., fluid or friction...
248429, B60N 108
Patent
active
044087446
ABSTRACT:
A compact, planar, multi-directional vibration attenuator seat support permits attenuating movement of an attached seat in any direction within a horizontal plane in response to vibration and other motions. The seat support includes a thin, generally planar seat supporting frame having opposite sides which mount the opposite ends of a first plurality of rods slidably received within a first plurality of bearings coupled to the opposite ends of an intermediate frame so that the seat supporting frame is movable along a first axis relative to the intermediate frame. The intermediate frame which is substantially completely contained within the plane of the seat supporting frame has opposite sides mounting the opposite ends of a second plurality of rods slidably received within a second plurality of bearings which mount the entire seat support and which permit movement of the intermediate frame along a second axis perpendicular to the first axis. Shock absorbers damp movement of the seat supporting frame relative to the intermediate frame and movement of the intermediate frame relative to the second plurality of bearings, while opposed pairs of springs hold the seat supporting and intermediate frames in nominal center positions.
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Britts Ramon S.
Deere & Company
Trettel Michael F.
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