Tree climbing apparatus
US6622823B2 · kind B2 · utility
13Cited by
14References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 9, 2002 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Jan 9, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01M31/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tree climbing apparatus consisting of two movable platforms, each of which is secured to the tree trunk by a flexible strap that has a non-scratching cover that will not harm the bark of the tree. Each of the flexible straps has a construction that includes an elastic stiffener that causes the flexible strap to be self-straightening when one end of the flexible strap is removed from the platform.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.