Electric power steering apparatus and method of...

Metal working – Method of mechanical manufacture – Gear making

Reexamination Certificate

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C029S893330, C029S527400

Reexamination Certificate

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06868607

ABSTRACT:
The support body engaged with the interior side of the tooth body provided at the worm wheel of the electric power steering apparatus comprises: a corrugated cylinder part press-formed to have a plurality of concavities on the exterior side thereof and convexities to the interior formed by the concavities which are arranged in a peripheral direction; and a plate part an exterior edge of which is united with an end of the corrugated cylinder part, wherein the tooth body is engaged with the exterior side of the corrugated cylinder part. With the method of manufacturing the gear, synthetic resin of the tooth body can be deposited uniformly on the support body made of metal engaged with the interior of the tooth body, costs can be reduced, and the support body can be engaged with the tooth body without generating voids and weld marks.

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patent: 2001-206230 (2001-07-01), None

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