Patent ID: 7585016

Claim:
A construction machine comprising: a chassis, a construction tool coupled to said chassis; and a cab mounted on said chassis and having a frame, said frame supporting a back panel, a pair of opposing side panels, a front door panel and a roof panel, said back, side and front door panels cooperating to define an interior cab space, said cab including operator controls disposed in said interior cab space and operatively coupled to said construction tool, said roof panel having a first edge and a second edge opposite said first edge, said first edge being pivotally coupled to one of said back panel and said frame proximal said back panel, said roof panel being pivotal between a closed position, wherein said second edge is proximal said frame, and an open position wherein said second edge is pivoted upward away from said frame and toward said back panel, wherein said front door panel includes an upper edge and a lower edge, said upper edge is pivotally coupled to said second edge of said roof panel such that when said roof panel is in an open position said upper edge is urged upward and away from said frame, said lower edge slideably coupled to said frame when said roof panel is in said open position.