Importance

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Abstract

A composite knob having a pullout and torque resistant insert with a shaft receiving threaded socket. One embodiment of the composite knob includes a disc shaped plastic body having a central hub. A plastic insert is embedded in the central hub. A threaded socket is formed in the plastic insert. A number of radially extending ribs are formed integrally with and extend radially from the plastic insert. These ribs are triangular shaped with inclined forwardly and rearwardly facing surfaces which are embedded in the hub of the disc shaped plastic body. A decorative cover may be positioned over the front face of the disc shaped body and secured to the body with a soft flexible plastic outer covering. In another embodiment, the plastic body includes a blade shaped handle with an insert that fits within the handle. The insert is formed with laterally extending portions which are entrapped by flanges formed integrally with the plastic body. The insert has at least one slot which receives plastic of the plastic body to resist torque applied to the composite knob.

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First Claim