The Stanley Works

Dana Lowell

Dean C Duhame

Richard P Spens

Chin-Feng Chan

Ming-Hwa Shou

A door operator for garage doors is provided which includes a motor, a multiple segmented drive screw and a traveler coupled to and reciprocating along the multiple segmented drive screw. The drive screw segments have non-circular ends which are slidably coupled to each other through a complementary sleeve. Springs are used to bias the screw segments toward one another. The traveler includes a lubricating pad for lubricating the drive screw as it passes along.

Growing community of inventors

Clarkston, MI, United States of America

Dana Lowell