Method for making an armature assembly
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United States of America Patent
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-
Jul 15, 2003
Issued Date -
N/A
app pub date -
Oct 6, 2000
filing date -
Feb 27, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for making an armature assembly is provided that reduces the level of acoustic noise during initial engagement of the armature, during slippage, and during disengagement. The armature assembly includes an armature disc, an annulus of sound damping material, and a hub assembly having a flexible spider with a web portion. The armature assembly is made by first forming the annulus of sound damping material with a plurality of angularly spaced molding tabs. The annulus is affixed to the web portion of the hub assembly using the molding tabs and is then compressed by securing the armature disc to the web portion such that one side of the annulus is disposed against the web portion and a second side of the annulus is disposed against the armature disc.
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