Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Ohara0
Date of Patent
March 18, 2008
0Patent Application Number
110389180
Date Filed
January 19, 2005
0Patent Primary Examiner
Patent abstract
An annular spider with lead wires sandwiched is provided. The improved structure of the spider allows the lead wires to be sandwiched in between two surface linings. The annular spider that serves to have the voice coil held in concentric position is formed by a negative shaped press mould with two halves, where each half has at least one half-circle slot on the mould surface, so that at least one tunnel is formed when two complementary slots on opposite mould halves are combined, through which the lead wire is fixed between two surface linings. The complementary slots of the two mould halves can prevent damage or deformation to the lead wires in the spider forming process.
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