Extruded sash lock
OwnerLuke Liang, Tong Liang +1inventors
InventorsLuke Liang, Tong Liang, David Chen
Life of this patent
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Abstract
A sash lock having an extruded housing is disclosed. The housing has two open sidewalls. The housing receives a frame, the frame is securable to the underside of the housing. The frame has a sidewall member that forms the sidewall of the housing.
Claims23
A method of forming a housing for a sash lock comprising extruding a molten material through a die to form an extrudate, cooling said extrudate, cutting the extrudate generally at an angle transverse to the direction of travel of said extrudate from said die to form individual one or more housings, each of said housings having a top surface, a bottom surface, first and second side edges and first and second end edges.
A sash lock comprising an extruded housing, said housing formed by extruding a molten material through a die to form a linear extrudate, cooling said extrudate, cutting the extrudate generally at an angle transverse to the direction of travel of said extrudate from said die to form individual one or more housings, each of said housings having a top surface, a bottom surface, first and second side edges and first and second end edges.
Dependencies are inferred from the claim text.