Mechanical advantage device
US11883756B1 · kind B1 · utility
0Cited by
23References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 11, 2023 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Apr 11, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63G11/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A mechanical advantage device includes a base, a beam pivotably connected to the base at a fulcrum between a first end of the beam and a second end of the beam, a seat at the first end of the beam, and a load at the second end of the beam. In some embodiments, the mechanical advantage device includes structure, such as a linkage, for effecting oscillation of the beam by shifting weight along the beam. The mechanical advantage device may be a single-person seesaw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.