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US 7,802,939 B2Granted
High axial stiffness swivel joint
AssigneeMTS Systems Corporation
InventorJohn A. Bushey
Life of this patent
Estimating the term…
Abstract
A swivel joint is provided comprising a first base member, a second base member, and a spider positioned between the first and second base members. The spider includes a center support and first and second bearing support elements. Each bearing support element has an arcuate surfaces adapted to form joints with the first and second base members. In one embodiment, at least one shim element disposed is between at least one of the first and second bearing support elements and the center support.
Claims17
A swivel joint comprising:
- first and second base members;
- a spider positioned between the first and second base members, the spider comprising:
- a center support having at least two surfaces that have substantially planar portions that are opposed from each other;
- and
- first and second bearing support elements, wherein each bearing support element has an arcuate surface, and wherein each bearing support element includes a surface that has a substantially planar portion that faces one of the planar surfaces of the center support;
- two bearing assemblies, wherein a bearing assembly operably engages each arcuate surface and corresponding base member to form a joint;
- and
- at least one planar shim element positioned between one of the bearing support elements and the center support to control a distance between the one of the bearing support elements and the center support.
5 more elements
Dependencies are inferred from the claim text.