Patent ID: 7309927

Claim:
An engine generator comprising an enclosure including a three dimensional framework and acoustical panels attached thereto, the framework comprising a front frame formed in one piece and forming a front portion of the framework, a rear frame formed in one piece and forming a rear portion of the framework, at least one connecting frame for removeably connecting the front frame and the rear frame through a first securing member, and at least one handle configured to allow a user to carry the engine generator, removeably connecting handle mounting portions disposed on the front frame and the rear frame, through a second securing member, wherein the handle mounting portions are disposed on top left and right sides of the front frame and the rear frame, and wherein a pair of two connecting frames connect opposing bottom portions of the front frame and the rear frame, on their left and right sides, and a pair of two handles connect the opposing handle mounting portions of the front frame and the rear frame; and wherein the front frame and the rear frame comprise aluminum die castings, and each frame being formed integral with both a panel mounting rib portion for mounting the acoustical panel and the handle mounting portion; wherein the panel mounting rib portion and the handle mounting portion are configured so that a die for forming the front frame and the rear frame can be moved in one direction into operative mating with a corresponding mold.