Joints and connections – Interfitted members – Radially interposed shim or bushing
Patent
1991-01-11
1992-07-28
Cuomo, Peter M.
Joints and connections
Interfitted members
Radially interposed shim or bushing
403374, 4034091, 403 30, 411 55, F16B 1306, F16B 704
Patent
active
051336189
ABSTRACT:
A joint for connecting a tip member to the end of a rod or shaft. The joint is particularly useful for joining a rod end to a tip member of a material which is not easily brazed, cemented or otherwise adhesively joined together. In the specific example described, a ceramic tip is jointed to the end of a metal rod, such as in a plug, a globe, or sliding stem valve. A cavity in the interior of the tip member has a narrowed opening at its top which terminates at a flat surface of the tip member. A pair of wedge members, each of about 180 degrees annular extent, and the headed bolt end are all located in the cavity, with the wedge members oppositely positioned around bolt head. The bolt head and wedge members have complementary tapers so that motion of the bolt away from the tip member cavity causes the wedge members to move radially away from each other and preferably contact the side wall of the cavity, with the cavity being partially closed by an annular overhang through which the bolt shank passes. The other end of the bolt is threaded and is received by a threaded hole in the end of the rod. The face of the rod is in surface contact with the surface of the tip member.
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Cuomo Peter M.
Greer, Jr. Thomas J.
ICI Ceramics, Inc.
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