Patent ID: 6546671
Filing Date: 2003-04-15
Classification: E05B,E05C,Y10S

Abstract:
A window assembly, comprising:a window frame having two opposing side edges, a top edge and a bottom edge; an upper and a lower sash frame slidable within said window frame parallel to said two opposing side edges and between said top and bottom edges; at least one keeper attached to a lower edge of said upper sash frame; a least one latch assembly attached to an upper edge of said lower sash frame for engaging said at least one keeper, said latch assembly including a slide bia singly urged toward one of said two opposing side edges of said window frame, and having an intermediate opening, and an eccentric sweeper cam pivotally mounted to said upper edge of said lower sash and positioned in said intermediate opening of said slide, said eccentric sweeper cam having at least one edge configured to engage said slide; and a lever attached to said eccentric sweeper cam for rotating said eccentric sweeper cam between a first and a second position such that said at least one edge of said eccentric sweeper cam engages said slide in said intermediate opening to move said slide between a first and second position.