# US 6,718,708 B2 · Vertical glazing frame system for building curtain walls with U-channel glass > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 6,718,708 B2 - Document ID: US6718708B2 - Status: Granted - Kind: B2 - Application number: 10/188,048 - Filed: 2002-07-03 - Published: 2004-01-08 - Granted: 2004-04-13 - Earliest claimed: 2002-07-03 - Assignees: Bendheim Wall Systems, Inc. - Inventors: James Donoghue - Web page: https://patentgrep.com/patent/US6718708B2 ## CPC - E06B 1/325: {comprising insulation between two metal section members} - E06B 1/36: Frames uniquely adapted for windows - E06B 3/56: by means of putty, cement, or adhesives only (E06B3/64 {E06B3/5427} take precedence) - E06B 1/02: Base frames, i.e. template frames for openings in walls or the like, provided with means for securing a further rigidly-mounted frame; Special adaptations of frames to be fixed therein {(E06B1/003, E06B1/24 take precedence; fastening door or window frames per se E06B1/56)} - E06B 3/5454: {inside U-shaped section members} - 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) ## Abstract A vertical glazing frame system for building curtain walls includes a sill assembly having a subsill shaped and dimensioned for direct attachment to a support structure and a sill shaped and dimensioned for receipt within the subsill for ease of installation and movement relative thereto. The system also includes a head assembly having a head receptor shaped and dimensioned for direct attachment to a support and a head shaped and dimensioned for receipt within the head receptor for movement relative thereto. The system further includes a jamb assembly and flashing plate extending over the sill assembly and the head assembly, the flashing plate including a first end coupled to the sill assembly and a second end covering the head assembly. ## Claims ### Claim 1 A vertical glazing frame system for building curtain walls, comprising: a sill assembly including a subsill shaped and dimensioned for direct attachment to a support structure and a sill shaped and dimensioned for receipt within the subsill for movement relative thereto; a head assembly including a head receptor shaped and dimensioned for direct attachment to a support and a head shaped and dimensioned for receipt within the head receptor for movement relative thereto; a flashing plate extending over the sill assembly and the head assembly, the flashing plate including a first end coupled to the sill assembly and a second end covering the head assembly; wherein said frame system includes at least one gasket positioned between the head receptor and the head; wherein the subsill, sill, head receptor and head each include a centrally located thermal break; and wherein fasteners are secured on opposite sides of the thermal break of the subsill when attached to a support structure and fasteners are secured on opposite sides of the thermal break of the head receptor when attached to a support structure. ### Claim 2 (depends on 1) The frame system according to claim 1, wherein the subsill is U-shaped to hold the sill. ### Claim 3 (depends on 2) The frame system according to claim 2 wherein the sill is U-shaped. ### Claim 4 (depends on 1) The frame system according to claim 1, wherein the head receptor is U-shaped to receive the head. ### Claim 5 (depends on 4) The frame system according to claim 4, wherein the head is U-shaped. ### Claim 6 (depends on 1) The frame system according to claim 1, further including an insert positioned within the sill, the insert being shaped and dimensioned for supporting U glass. ### Claim 7 (depends on 1) The frame system according to claim 1, further including an insert position positioned with the head, the insert being shaped and dimensioned for supporting and positioning U glass. ### Claim 8 A wall system for building curtain walls, comprising: a plurality of vertical glazing frame systems bridging floor slabs of a structure in which the wall system is installed, each frame system including: a sill assembly including a subsill directly secured to a support structure and a sill shaped and dimensioned for receipt within the subsill for movement relative thereto; a head assembly including a head receptor directly secured to a support and a head shaped and dimensioned for receipt within the head receptor for movement relative thereto; a flashing plate extending over the sill assembly and the head assembly, the flashing plate including a first end coupled to the sill assembly and a second end covering the head assembly; U glass extending between adjacent head assemblies and sill assemblies, wherein the U glass includes a first end seated within a sill and a second end seated within a head; wherein said frame system includes at least one gasket positioned between the head receptor and the head; wherein the subsill, sill, head receptor and head each include a centrally located thermal break; and wherein fasteners are secured on opposite sides of the thermal break of the subsill when attached to a support structure and fasteners are secured on opposite sides of the thermal break of the head receptor when attached to a support structure. ### Claim 9 (depends on 8) The wall system according to claim 8, wherein the subsill is U-shaped. ### Claim 10 (depends on 9) The wall system according to claim 9, wherein the sill is U-shaped. ### Claim 11 (depends on 8) The wall system according to claim 8, wherein the head receptor is U-shaped. ### Claim 12 (depends on 11) The wall system according to claim 11, wherein the head is U-shaped. ### Claim 13 (depends on 8) The wall system according to claim 8, further including an insert positioned within the sill, the insert being shaped and dimensioned for supporting U glass. ### Claim 14 (depends on 8) The wall system according to claim 8, further including an insert positioned with the head, the insert being shaped and dimensioned by supporting U glass.