Patent ID: 7600271

Claim:
A vertically-actuable cover assembly for a structure comprising: a cover supported on two or more actuation members, the cover being actuable between a lowered position atop the structure to an elevated position above the structure so as to act as a roof thereover, wherein the two or more actuation members further comprises: at least two telescoping tubular members; a rack and pinion assembly positioned within the at least two telescoping tubular members and connected thereto; means for rotating the pinion in engagement with the rack for raising and lowering at least one of the at least two telescoping tubular members connected thereto for actuating the cover between the lowered and the elevated positions a pulley connected at a top end of the rack; and a cable anchored at a first end and connected at a second end to at least one of the at least two telescoping tubular members and guided by the pulley so as to aid in raising and lowering the at least one of the plurality of telescoping tubular members.