Dual firmness foam flex point elimination
US10486565B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2018 |
| Grant date | Nov 26, 2019 |
| Priority date | — |
| Expiry date | May 27, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/643
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A dual firmness vehicle seat and a method of forming the same is provided. In an embodiment, a vehicle seat assembly includes a seat bottom, and a seatback disposed on the seat bottom. At least one of the seat bottom and seatback includes a first cushion region having a first initial load deflection value, and a second cushion region having a second initial load deflection value different from the first initial load deflection value. The seat assembly further includes a non-continuous trench defined by and between the first cushion region and the second cushion region and having a base forming a cavity therebetween, and connecting regions disposed within the cavity above the base extending between the first and second cushion regions to inhibit flexing between the first and second cushion regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.