Tactile spacer frame assembly and locking member
US11008801B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2019 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Mar 7, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B3/667
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A spacer frame assembly and method of assembly includes a substantially linear channel comprising two lateral walls and a base wall. The channel has first and second ends that when assembled, includes at least three sides and corresponding corners between each of said sides. The first end includes a connecting structure and the second end includes an opposite frame end. The opposite frame end has an opposite channel for receiving a nose portion of said connecting structure The opposite channel includes stiffening flanges extending inwardly from the lateral walls relative to the channel. The connecting structure further includes a first aperture in the base wall comprising a first projection into the channel and the opposite channel comprises a second aperture in the base wall comprising a second projection into the channel. Wherein the first projection. tactilely interweaves with the second projection when the spacer frame is assembled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.