Hoist rotary assembly
AssigneeKnight Industries & Associates, Inc.
InventorJames Zaguroli
Life of this patent
Estimating the term…
Abstract
A rotary assembly for a hoist includes at least one of a rotary union and a slip ring. A bearing is positioned radially outward of the rotary union and/or slip ring with respect to a central axis. A first plurality of axially extending support columns are radially outward of the rotary union and/or slip ring and fixed to the bearing. A second plurality of axially extending support columns are radially outward of the rotary union and/or slip ring and fixed to the bearing. The second plurality of axially extending support columns is axially opposite the bearing from the first plurality of axially extending support columns.
Claims20
A rotary assembly for a hoist, comprising:
- at least one of a rotary union and a slip ring;
- a bearing positioned radially outward of the at least one of a rotary union and a slip ring with respect to a central axis;
- a first plurality of axially extending support columns radially outward of the at least one of a rotary union and a slip ring and fixed to the bearing;
- and
- a second plurality of axially extending support columns radially outward of the at least one of a rotary union and a slip ring and fixed to the bearing, the second plurality of axially extending support columns axially opposite the bearing from the first plurality of axially extending support columns.
A hoist system for raising and lowering a load, comprising:
- an upper box;
- a chain or cable extending from the upper box;
- and
- a rotary assembly between the chain or cable and the load;
- the rotary assembly comprising:
- at least one of a rotary union and a slip ring;
- a bearing positioned radially outward of the at least one of a rotary union and a slip ring with respect to a central axis;
- a first plurality of axially extending support columns radially outward of the at least one of a rotary union and a slip ring and fixed to the bearing;
- and
- a second plurality of axially extending support columns radially outward of the at least one of a rotary union and a slip ring and fixed to the bearing, the second plurality of axially extending support columns axially opposite the bearing from the first plurality of axially extending support columns.
Dependencies are inferred from the claim text.