Patent ID: 8060988

Claim:
A knob comprising: a knob having a bore to receive an insert; an insert received in said bore, said insert including an internal bore to receive a fastener member to secure said knob to an underlying structure, and said insert being formed with an axial passage on an outer surface of said insert, said axial passage being between said insert and an inner surface of said bore in said knob, and said insert extending into said bore along an axial direction, said axial passages extending with at least a component in said axial direction, and adhesive received in said bore in said knob, and moving upwardly into said axial passage in said insert; said knob being formed of a ceramic material; said insert having an enlarged head at an outer axial position, and said enlarged head providing a stop against a recess in said knob to define a stop surface for insertion of said insert; said bore in said insert including screw threads to receive a threaded fastener; said axial passages not extending throughout an entire wall of said insert, but being formed into an outer periphery of the wall; said axial passage including a pair of axial passages positioned at circumferentially spaced locations of said insert; and said insert having a closed axially inner end, and there being a bottom passage that extends across the inner end of the insert to connect the axial passages.