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Self-Monitoring Robotic Screwdriving System Disclosure Number: IPCOM000038828D
Original Publication Date: 1987-Mar-01
Included in the Prior Art Database: 2005-Feb-01

Publishing Venue


Related People

Bandy, RL Bode, F Scott, JW [+details]


A self-monitoring screwdriver system automatically installs a screw and verifies that the screw is properly installed. A self-monitoring screwdriver system includes an electric motor 1 connected through a flexible coupling 2 to a drive gear 3. The drive gear 3 drives a cylindrically shaped idler gear 4 which continuously powers a driven gear 5 secured to a hollow axle 6 for vertical movement therewith. A housing 7 rotatably supports the gears 4 and 5 and the hollow axle 6. An adapter clamp 8, which is fixed to the housing 7, supports the motor 1, the coupling 2, and the drive gear 3. The hollow axle 6 transmits power from the motor 1 to a DePrag clutch 9 which moves vertically with the hollow axle 6. The clutch 9 has a screwdriver bit 10 connected thereto.