Hand lifting device and projection apparatus using the same
US11565914B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2019 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Jul 12, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45F2003/142
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A hand lifting device and a projection apparatus are provided. The hand lifting device is adapted to carry an object, and includes a support pad and a carrying strap. The support pad has a first surface and a second surface opposite to each other, and has two first connecting portions. The carrying strap has two end portions, and the two end portions respectively have a second connecting portion. The carrying strap is configured to partially surround the object, such that the second connecting portions of the carrying strap are respectively detachably connected to the first connecting portions of the support pad. The projection apparatus comprises the above hand lifting device and a projector.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.