Patent ID: 7303361
Filing Date: 2007-12-04
Classification: E04G

Abstract:
1. An elongate concrete form with a keyway in a form front opposite a form back and longitudinal with the form, the keyway having opposing lips spaced apart by an opening in the form front as an entrance to the keyway, the improvement comprising, a generally rectangular base with its circumference including opposing first sides in parallel spaced apart a narrow dimension sized to fit through the keyway opening and opposing second sides in parallel spaced apart a wide dimension sized to not fit through the keyway opening and alternating about the circumference with first sides, the base circumference further comprising a pair of flats in parallel each of which is circumferentially between a first and a second side with the wide dimension such as to enable the base to rotate in the keyway without restriction by the keyway, wherein for a base rotation of selected degrees required to secure the base in the keyway, for each said flat a virtual extension of said flat intersects a virtual extension of said first parallel side at said selected degrees, the base adapted to receive connection to a securing mechanism that is adapted to receive a stake in securing the concrete form to the stake.