Molded plastic shaft extension for double insulated apparatus
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United States of America Patent
Stats
-
Jun 1, 1993
Grant Date -
N/A
app pub date -
Jun 1, 1992
filing date -
Jun 1, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Apparatus for double insulation of a motor output shaft and providing physical coupling which includes an elongated plastic resin member that includes apparatus for coupling to an associated motor shaft and apparatus for cooperation with an associated power transmission apparatus. In some forms of the invention the apparatus for cooperation with an associated power transmission apparatus includes opposed flat surfaces. In other forms of the invention the apparatus for cooperation with an associated power transmission apparatus includes apparatus for engaging a belt. The appatatus for engaging a belt may include two coaxial truncated cones disposed with the respective larger diameter ends thereof in end abutting relationship to define a crowned axial section. In other forms of the invention the apparatus for engaging a belt includes two axially aligned truncated conical sections disposed with the respective smaller diameter ends thereof disposed in end abutting relationship.
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