| CPC G03B 17/561 (2013.01) | 10 Claims |
|
1. A telescoping pole comprising:
at least three tubular sections of decreasing width
wherein each of the tubular sections, less the narrowest tubular section, includes a cavity configured to movably hold the next narrower tubular section;
wherein each of the tubular sections, less the widest tubular section, includes a linear gear arrangement on an outer surface, each of the linear gear arrangements configured to engage a pinion fixed to the next wider tubular section;
at least two electric motors configured to rotationally drive the pinions
wherein each of the tubular sections, less the narrowest tubular section, is coupled to one of the electric motors;
a control module configured to receive user commands and to control a length of the telescoping pole wherein the control module is coupled to one of the tubular sections.
|