Patent ID: 6976339

Claim:
A device for maintaining the distance between the first and second vertical side portions of a door frame, the first and second vertical side portions each defining a front surface and a rear surface generally opposite the front surface, the device comprising: an elongated portion having a first end and a second end; a first engagement member for engaging the first vertical side portion of the door frame, said first engagement member being attached to said first end of said elongated portion; said first engagement member being configured to be completely bounded between the front and rear surfaces of the first vertical side portion; a collar rotatably connected to said second end of said elongated portion, said collar including a threaded bore therein; and a second engagement member for engaging the second vertical side portion of the door frame; said second engagement member being configured to be completely bounded between the front and rear surfaces of the second vertical side portion; said second engagement member having a threaded portion extending therefrom for receipt in said threaded bore of said collar, such that rotation of said collar with respect to said elongated portion allows for selective adjustment of the distance between said first engagement member and said second engagement member, for varying the distance between the first and second side portions of the door frame.