Suspension system for stroller
US10752278B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2019 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Mar 22, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F1/047
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A child stroller includes a frame member and a wheel attachment member including a first end and a second end. A wheel is coupled to the first end, with the second end coupled to the frame member. The stroller further includes a shock absorber having a body, an upper end coupled to the frame member, a lower end coupled to the wheel attachment member, and a spring mechanism disposed within the body. The spring mechanism includes an upper portion exhibiting a first spring constant, and a lower portion exhibiting a second spring constant different from the first spring constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.