Patent ID: 7014413

Claim:
A door attaching apparatus comprising a mobile main frame adapted to be moved upon a surface, said mobile main frame having forward portions, a first upward extending frame having lower ledge means fixed thereto for supporting a generally upward elongated door having a bottom edge with said lower ledge means supporting door at its bottom edge thereon; a second upward extending frame having a lower edge pivotally mounted to the main mobile frame behind the first frame to move forward and rear relative to the main mobile frame; a upward and downward sliding guide way mechanism between said first and second frame, said guide way mechanism having two cooperating channels slidably connected together with one of said channels pivotally mounted to said first frame and the other channel attached to the second frame whereby the first frame may slide upward by its channel sliding upward in the second channel relative to the second frame and mobile main frame, with said mechanism providing a connection between said first and second frame whereby said first frame may move forward and rearward with said second frame relative to said main mobile frame; a cam mounted on said first frame, a first handle operating said cam to engage said second frame to rotate said cam to cam said first frame upward and downward relative to the second frame and relative to the mobile frame; a lever rod means connecting said second frame to said mobile main frame, said lever rod means having a second handle to rotate to operate said lever rod means to lever said second frame forward and rearward and through said sliding guide way connection to said first frame simultaneously lever said first frame forward and rearward; a ground engaging plate movably mounted to said mobile main frame and movable in response to said second handle to move downward to engage the surface beneath the mobile main frame when said second handle levers said first and second frames forward to provide ground stabilization for said apparatus; generally horizontal extending telescoping arms for engaging the door on it opposing sides while said door rests with its bottom edge upon the lower ledge means of the first frame.