Patent ID: 6561255
Filing Date: 2003-05-13
Classification: E05F,E05Y,Y10T

Abstract:
An operator for moving in upward and downward directions a sectional door having a counterbalancing system including a drive tube interconnected with the door comprising, a reversible motor, a drive gear selectively driven in two directions by said motor, a driven gear adapted to be freely rotatably mountable on the drive tube and engaging said drive gear, a slide guide adapted to be non-rotatably mounted on the drive tube, a disconnect mounted on said slide guide and selectively movable between a first position rotatably connecting said driven gear and said slide guide and a second position disconnecting said drive gear and said slide guide, and a gear housing supporting said motor for moving between a door operating position and a door locking position, wherein said housing is pivotally mounted for movement between said door operating position and said door locking position.