| 摘要 |
<p>A side plate (50) for operatively connecting a recliner assembly for a frame structure has an integrally formed boss (62) including frustum conical wall segment, a wall segment connecting the upper edge of the frustum conical wall segment, and a collar extending inwardly from the wall segment. A method of manufacturing the side plate having an integrally formed boss includes providing a continuous sheet of predetermined width, drawing a portion of the sheet into a first cup-shaped feature, reducing the diameter of the first cup-shaped feature, drawing a portion of the first cup-shaped feature into a second cup-shaped feature, reducing the diameter of the second cup-shaped feature, reverse drawing the first cup-shaped feature in the direction opposite the prior drawing step of the first cup-shaped feature, and forming a hole through the second cup-shaped feature.</p> |
