Patent ID: 7717155

Claim:
An operator system for moving a barrier between limit positions, comprising: a counterbalance system including a counterbalance tube and at least one lift cable; a pivoting operator motor assembly mounted proximate to, said counterbalance tube, at least a portion of said operator motor assembly movable depending upon an operating condition thereof; a integral cable storage drum with a driven gear integrally formed thereon, both the drum and driven gear being mounted coaxially on said counterbalance tube and continuously connecting said pivoting operator motor assembly to said counterbalance tube, and a drive assembly which rotates a drive gear, wherein said driven gear is engageable with and rotated by said drive gear, thereby causing rotation of said counterbalance tube, wherein said at least one lift cable is secured at one end to said integral cable storage drum and driven gear and at an opposite end to the barrier, said cable storage drum further comprising a cable storage area that pays out or reels in said at least one lift cable as the barrier is moved.