Patent ID: 7661497

Claim:
An upper swing body of an excavator, the upper swing body comprising: a main frame forming a base of the upper swing body; a support comprising a pair of vertical frames disposed upwardly from an upper surface of a rear portion of the main frame, wherein the pair of vertical frames are laterally spaced apart from each other by a certain distance, the support further comprising a horizontal frame for connecting upper ends of the pair of vertical frames to each other; a cab having a front lower portion supported by the main frame and a rear lower portion supported by the support; an engine disposed in a space formed below the horizontal frame; and an engine room cover installed on the main frame to define an outer shell of an engine room and configured to accommodate the support and the engine, wherein the engine room cover comprises a first pivotable cover to open and close a rear portion of the engine room, and a second pivotable cover to open and close a lateral side portion of the engine room, wherein the first pivotable cover is hingedly supported by a hinge portion provided at the horizontal frame, and the second pivotable cover is selectively locked by a locking member provided at either of the pair of vertical frames.