A wall anchor for use in a cavity wall to connect to a veneer tie to join an inner wythe and an outer wythe of the cavity wall includes an elongate body having a longitudinal axis, a driven end portion and a driving end portion. The driven end portion is adapted to be threadedly mounted on the inner
A wall anchor for use in a cavity wall to connect to a veneer tie to join an inner wythe and an outer wythe of the cavity wall includes an elongate body having a longitudinal axis, a driven end portion and a driving end portion. The driven end portion is adapted to be threadedly mounted on the inner wythe of the cavity wall. The driving end portion includes a drive head including a receptor opening for capturing a portion of a veneer tie. The receptor opening extends transverse to the longitudinal axis of the elongate body through the drive head. A thermal spacer is attached to the elongate bod. The thermal spacer has a conductivity less than a thermal conductivity of the elongate body and is configured and arranged to reduce thermal transfer in the cavity wall along the elongate body.
대표청구항▼
1. A wall anchor for use in a cavity wall to connect to a veneer tie to join an inner wythe and an outer wythe of the cavity wall, the wall anchor comprising an elongate body having a longitudinal axis, a driven end portion, a receptor portion, at least one barrel portion positioned between the driv
1. A wall anchor for use in a cavity wall to connect to a veneer tie to join an inner wythe and an outer wythe of the cavity wall, the wall anchor comprising an elongate body having a longitudinal axis, a driven end portion, a receptor portion, at least one barrel portion positioned between the driven end portion and the receptor portion and connecting the receptor portion to the driven end portion, and a thermal spacer interposed between the barrel portion and a section of the driven end portion, the driven end portion being adapted to be threadedly mounted on the inner wythe of the cavity wall and including a barrel attachment portion, the receptor portion including a receptor opening for capturing a portion of the veneer tie, the receptor opening extending transverse to the longitudinal axis of the elongate body through the receptor portion, the at least one barrel portion comprising a hollow body having a circumferential wall defining a hollow interior extending between opposite ends of the at least one barrel portion, the barrel attachment portion being received in the hollow interior, the barrel attachment portion and the circumferential wall defining a gap therebetween in the hollow interior of the barrel portion, wherein the at least one barrel portion comprises at least one opening extending through the circumferential wall to the hollow interior. 2. The wall anchor of claim 1, wherein the at least one barrel portion comprises a plurality of openings extending through the circumferential wall to the hollow interior. 3. The wall anchor of claim 2, wherein the plurality of openings reduces the material of the hollow body by an amount in a range of 5% to 35%. 4. The wall anchor of claim 1, wherein the thermal spacer mounts the section of the driven end portion on the barrel portion. 5. The wall anchor of claim 1, wherein the driven end portion further includes an inner wythe attachment portion, the thermal spacer being interposed between the barrel attachment portion and the inner wythe attachment portion. 6. The wall anchor of claim 5 wherein the thermal spacer connects the inner wythe attachment portion to the barrel attachment portion. 7. The wall anchor of claim 5, wherein the inner wythe attachment portion is threadably attached to the thermal spacer. 8. The wall anchor of claim 7, wherein the barrel attachment portion is threadably attached to the thermal spacer and spaced from the inner wythe attachment portion by the thermal spacer. 9. The wall anchor of claim 8, wherein the thermal spacer includes internal threads for connecting to the barrel attachment portion and for connecting to the inner wythe attachment portion. 10. The wall anchor of claim 9, wherein the barrel attachment portion is threadably attached to the barrel portion. 11. The wall anchor of claim 8, wherein the at least one barrel portion has an axially facing end surface, the thermal spacer having a conductivity less than a thermal conductivity of the elongate body and being configured and arranged to reduce thermal transfer in the cavity wall along the elongate body, an axially facing end surface of the thermal spacer engaging the axially facing end surface of the at least one barrel portion, the thermal spacer extending axially therefrom away from the receptor portion, the thermal spacer being attached to the driven end portion such that the thermal spacer is disposed between the axially facing end surface of the at least one barrel portion and the section of the driven end portion and provides a barrier to communication of thermal energy from the section of the driven end portion and the barrel portion. 12. The wall anchor of claim 11, wherein the at least one barrel portion comprises a plurality of openings extending through the circumferential wall to the hollow interior. 13. The wall anchor of claim 12, wherein the plurality of openings reduces the material of the hollow body by an amount in a range of 5% to 35%. 14. The wall anchor of claim 1, wherein the thermal spacer is a material selected from the group consisting of ceramic, plastic, epoxy and carbon fiber. 15. The wall anchor of claim 1, wherein the driven end portion is a material selected from the group consisting of stainless steel, plastic, epoxy and fiberglass.
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