Tree climbing platform
US4130180A · kind A · utility
Inventors
Key dates
| Filing date | Jan 25, 1977 |
| Grant date | Dec 19, 1978 |
| Priority date | — |
| Expiry date | Jan 25, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01M31/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tree climbing platform embodying a base plate having side members projecting beyond an end thereof and disposed to extend alongside opposite sides of a tree with said one end of the base plate spaced from the adjacent side of the tree and the other end thereof extending away from the tree. A first blade carried by the side members bites into the opposite side of the tree from the side thereof nearest the base plate. A frame member is connected at one end to said other end of the base plate and extends inwardly beneath the base plate. A second blade at the inner end of the frame member bites into the side of a tree opposite the side thereof engaged by the first blade. Means is carried by the base plate for detachably attaching the base plate to the feet of a person standing thereon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.