Patent ID: 8904657

Claim:
An apparatus for projecting a floor plan onto a floor surface, comprising: a projector configured to project an image therefrom onto a projection surface; a control system operatively connected to said projector and operating to cause said projector to project a floor plan image onto the projection surface; a housing, said projector extending from a bottom of said housing; a mount on said housing opposite of said projector, said mount configured to removably attach said housing to a ceiling surface above a floor surface upon which said floor plan image is to be projected by said projector; a socket housing detachably connectable to the ceiling surface; and a ball captively disposed for rotation within said socket housing, said ball being secured from rotation within said socket housing by a lock screw threaded through said socket housing for abutment with said ball, said ball having a ball shaft extending therefrom and wherein said ball is detachably connectable to said housing by said ball shaft.