# US 9,435,150 B1 · Window sash pivot bar and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,435,150 B1 - Document ID: US9435150B1 - Status: Granted - Kind: B1 - Application number: 14/740,905 - Filed: 2015-06-16 - Granted: 2016-09-06 - Earliest claimed: 2013-03-14 - Applicants: Barry G. Lawrence - Inventors: Barry G. Lawrence - Web page: https://patentgrep.com/patent/US9435150B1 ## CPC - E05D 5/00: Construction of single parts, e.g. the parts for attachment - E05D 7/06: to allow tilting of the members - E05D 15/00: Suspension arrangements for wings (arrangements of wings not characterised by the construction of the supporting means E06B3/32) - E05D 15/22: allowing an additional movement {(E05D15/20 takes precedence)} - E06B 3/5063: {the vertical sliding wings having the possibility of an additional rotational movement} - E05Y 2201/00: Constructional elements; Accessories therefor - E05D: HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS (pivotal connections in general F16C11/00) - E06B: FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES (shades or blinds for greenhouses A01G9/22; curtains A47H; lids for car boots or bonnets B62D25/10; skylights E04B7/18; sunshades, awnings E04F10/00) - E05Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF ## Abstract A pivot bar for a double hung window sash includes an elongated member having a knobbed end for engaging a window jamb or frame. The pivot bar has vertical and horizontal shields for completely covering the first and second apertures formed in the window sash. The pivot bar is “snap-fitted” into the first and second apertures which are formed with a conventional electric drill. The first aperture formed in the side of the sash is less than a complete circle in order for the drill bit to simultaneously form the second aperture in the bottom of the sash. ## Claims ### Claim 1 A method of installing a pivot bar having a vertical shield in a window sash that includes first and second sash stiles attached to opposing ends of a sash bottom, comprising: forming a first opening in a side surface of the first sash stile at a bottom portion of the first sash stile, the first opening defining an incomplete circular opening in the side surface of the first sash stile, said incomplete circular opening being defined by a radius extending from a center point, wherein said center point is positioned above a bottom edge of the first sash stile; forming a second opening, the second opening formed in a bottom portion of the sash bottom, the second opening being continuous with the incomplete circular opening of the first sash stile; inserting the pivot bar into the incomplete circular opening of the first sash stile; and closing the incomplete circular opening of the first sash stile with the vertical shield. ### Claim 2 (depends on 1) The method of claim 1 wherein the step of fondling a second opening comprises forming a rectangular opening in the sash bottom. ### Claim 3 (depends on 1) The method of claim 1 wherein the step of forming a first opening in the side surface of the first sash stile comprises drilling a hole in the side surface of the first sash stile. ### Claim 4 (depends on 1) The method of claim 1 wherein the pivot bar comprises a support attached to the shield. ### Claim 5 (depends on 1) The method of claim 1 further comprising securing the pivot bar to the sash bottom with a fastener. ### Claim 6 (depends on 1) The method of claim 1 whereby the steps of forming the first and second openings are performed by simultaneously drilling into the side surface of the first sash stile and the bottom portion of the sash bottom. ### Claim 7 A method of installing a pivot bar having first and second longitudinal projections in a window sash that includes first and second sash stiles attached to opposing ends of a sash bottom, comprising: forming an incomplete circular opening in a side surface of the first sash stile at a bottom portion of the first sash stile, said incomplete circular opening being defined by a radius extending from a center point, wherein the center point is positioned above a bottom edge of the first sash stile; forming a rectangular opening in a bottom portion of the sash bottom, the incomplete circular opening being continuous with the rectangular opening; and inserting the pivot bar into the incomplete circular and rectangular openings, and seating a portion of the sash bottom between the first and second longitudinal projections. ### Claim 8 (depends on 7) The method of claim 7 wherein the bottom portion of the first sash stile and the bottom portion of the sash bottom form an exterior corner of the window sash. ### Claim 9 (depends on 7) The method of claim 7 wherein the pivot bar includes a vertical shield which completely covers the incomplete circular opening. ### Claim 10 A method of installing a pivot bar having first and second longitudinal projections and a vertical shield in a window sash that includes first and second sash stiles attached to opposite ends of a sash bottom, comprising: forming a first opening in a side surface of the first sash stile at a bottom portion of the first stash stile, the first opening defining an incomplete circular opening in the side surface of the first sash stile, the incomplete circular opening being defined by a radius extending from a center point, wherein the center point is positioned above a bottom edge of the first sash stile; forming a second, rectangular opening in a bottom portion of the sash bottom the second opening continuous with the incomplete circular opening; inserting the pivot bar into the incomplete circular opening of the first sash stile and the rectangular opening such that a portion of the sash bottom is of the sash bottom inserted between the first and second longitudinal projections and the incomplete circular opening of the first sash stile is closed by the vertical shield.