Staking system for concrete forms

A stake driver including an upright guide bar having upper and lower ends, said lower end including means for releasable engagement with the upper end portion of an upstanding stake to be driven downwardly, a downwardly opening driver housing having upper and lower ends, the upper end of said guide bar being guidingly telescoped upwardly into said housing, said housing lower end including a large area downwardly facing abutment surface means for downward abutting engagement with said stake, said downwardly facing abutment surface means including means defining an aperture therethrough downwardly through which the lower end of said guide bar is slidingly received, said downwardly facing abutment surface means being defined by a lower end plate removably secured over the lower end of said housing and having a small central aperture formed therethrough upwardly through which said guide bar is received, at least the lower end of said housing including a central upstanding guide sleeve removably mounted therein and including upper and lower end portions, said lower end portion being registered with said aperture, said rod being slidingly received through said sleeve, the upper end portion of said guide sleeve including an enlarged guide plate secured thereto slidingly and guidingly received within an intermediate length portion of said housing and upwardly through which said guide bar is slidingly received, and releasable lock means releasably securing said guide sleeve in said housing against axial shifting relative thereto, said bar being of a length to prevent full displacement of said bar into said housing.