| 摘要 |
A section of a sectional overhead garage door comprises a ribbed, plastic panel surrounded by a frame including two horizontal rails interconnected by two end rails, each horizontal rail having two spaced-apart holding flanges extending the length thereof toward the other horizontal rail and receiving the adjacent panel margin therebetween, the outer holding flange having a gripping member thereon extending toward the inner holding flange, each end rail having a tongue at each end thereof disposed in use between the adjacent panel margin and the adjacent outer holding flange and provided with an outwardly extending gripping member thereon, the holding flange gripping members being pressed into and embedded in the end rail tongues and the panel margins, with the tongue gripping members being embedded in the outer holding flanges all for securely clamping the frame to the panel and the end rails to the horizontal rails.
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