Importance

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Abstract

A control knob assembly to be mounted to a panel for use with an adjustable rotary device of the type having a push and/or pull function comprising a control knob having a first portion dimensioned to be grasped by a user, a second portion which is cylindrical in shape and extends from the first portion and a bore extending into the cylindrical portion aligned along the axis of the cylindrical portion, the bore dimensioned to receive a shaft of the rotary control member. A mounting element for mounting assembly to a panel is provided and includes a plurality of annularly arranged, flexible clamping elements, each having a threaded outer surface and a smooth inner surface. The inner surfaces of the clamping elements generally define a smooth cylindrical bore which is dimensioned to receive the cylindrical portion of the control knob and the outer surfaces of the clamping elements define a threaded surface. A locking ring is provided and dimensioned to be circumferentially mounted on the clamping elements. The locking ring includes an internal threaded surface dimensioned to matingly engage the outer threaded surfaces of the clamping elements wherein the locking ring is operable to releasably compress the clamping elements into engagement with the cylindrical portion of the control knob.

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First Claim