Patent ID: 7551457

Claim:
The Apparatus comprising: an electronic enclosure having a latching side and a free side, opposite the latching side; a first lever, pivotally mounted to be disposed along the latching side and to be movable between an open position and a closed position, wherein the first lever includes a first tooth moving outward from the electronic enclosure and forward along the electronic enclosure as the first lever is moved from the open position to the closed position; and a first pivot shaft extending between the first lever and the free side, wherein the first pivot shaft is attached to the first lever to pivot with the first lever as the first lever is moved between the open position and the closed position; and wherein the first pivot shaft includes a first outer coupling surface including an angular positioning element, exposed at the free side and disposed at a first predetermined angle with respect to the first tooth, an expansion unit attached to extend outward from the free side, and an outer end crank plate, including an inner coupling surface including an angular positioning element, removably attached to the first pivot shaft to be disposed along the free side of the enclosure and to pivot with the first lever as the first lever is moved between the open position and the closed position, wherein the outer end includes a first outer tooth aligned with the first tooth of the first lever by engagement between the inner coupling surface including an angular positioning element of the outer end crank plate and the first outer coupling surface including an angular positioning element of the first pivot shaft.