Compact, low-cost, rotary knob with indicator
AssigneeDelco Electronics Corporation
InventorChris Ralph Snider
Life of this patent
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Abstract
In a preferred embodiment, a compact, low-cost, rotary control knob assembly, including: an indicator portion having disposed thereon indicia representing selectable settings of the control knob assembly; a knob portion disposed over the indicator portion, such that the indicia are contained within a perimeter-defined area of the knob portion; and an indicator opening defined through the knob portion, which indicator opening is selectively alignable with ones of the indicia by rotation of the knob portion with respect to the indicator portion.
Claims10
A compact, low-cost, rotary indicator knob assembly, comprising:
- (a) an indicator portion having disposed thereon indicia representing selectable settings of said indicator knob assembly;
- (b) a knob portion disposed over said indicator portion, such that said indicia are contained within a perimeter-defined area of said knob portion;
- (c) at least one pointer opening defined through said knob portion, which said at least one pointer opening is selectively alignable with ones of said indicia by rotation of said knob portion around said indicator portion and through which said pointer opening at least one of said ones of said indicia are visible;
- (d) said indicator portion being a generally hollow, cylindrical member, having a least a partially closed upper end on which said upper end said indicia are disposed, and being attachable to a front surface of a stationary mounting panel;
- and
- (e) said knob portion being a generally hollow, cylindrical member, coaxial with said indicator portion, having a sidewall extending over a sidewall of said indicator portion, having a partially closed upper end adjacent said upper end of said indicator portion, through which said upper end of said knob portion said at least one pointer opening is defined, and having an external cylindrical manual gripping surface.
Dependencies are inferred from the claim text.