Cushion pad
US11647844B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2019 |
| Grant date | May 16, 2023 |
| Priority date | — |
| Expiry date | Apr 19, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/7011
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Provided is a cushion pad, in which a seating body portion of a seating portion has a bottomless or bottomed first hole arranged at a position at which the first hole overlaps a pair of ischial bones of a seated person in a horizontal projection plane and three or more bottomless or bottomed second holes with areas that are smaller than an area of the first hole in a horizontal projection plane, a center point O51 of the first hole is on or inside a triangle TR obtained by connecting center points of any three second holes from among the three or more second holes in the horizontal projection plane and in the seating portion, the inside of the first hole is a void space, or a soft material portion is arranged inside the first hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.