Patent for a new and improved sash fastener. This design consists in "[t]he combination of the casing having apertured ears and a front plate, of the rack-bolt having a head beveled on its rear face to fit a corresponding beveled opening in the front plate, the pinion, and the spindle, the beveled head being adapted to enter the beveled opening of the front plate and lie flush with the outer surface of said front plate" (lines 77-85).