Fenestration unit with panel frame having corner reinforcement plug
US11781375B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2022 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Mar 16, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B3/962
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A frame for a fenestration unit includes a corner member at a corner joint of first and second elongate frame members. The second elongate frame member includes a profile member and an elongate reinforcement beam disposed therein. The elongate reinforcement beam has a terminal end. The second elongate frame member further includes a corner reinforcement plug with an insert end that is received in the terminal end of the elongate reinforcement beam. The corner reinforcement plug also includes a corner end that is engaged with the corner member and an intermediate portion that is disposed between the insert end and the corner end. The corner reinforcement plug has a shoulder at a transition between the intermediate portion and the insert end, and the shoulder abuts against the terminal end. The intermediate portion is disposed within the interior of the profile member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.