Patent ID: 6899219

Claim:
A tape drive conveyor comprising: a motorized roller having a roller portion, a mounting portion and an internal motor that rotates said roller portion relative to said mounting portion; a plurality of snubbers; a tape reeved around said plurality of snubbers, said snubbers being configured and positionable to engage said tape with a plurality of idler rollers of said conveyor to drive the idler rollers in response to rotation of said roller portion of said motorized roller; a current sensor that senses the current draw of said internal motor of said motorized roller; and a control responsive to said current sensor, said control determining slippage between said tape and at least one of the idler rollers and said roller portion of said motorized roller as a function of an increase in current draw of said internal motor, said control selectively activating and deactivating said internal motor of motorized roller in response to slippage between said tape and at least one of the idler rollers and said roller portion of said motorized roller.