Tree climbing apparatus
OwnerW. O. Earlyinventor
Life of this patent
Estimating the term…
Abstract
A tree climbing apparatus includes a frame structure having a plurality of elongated frame elements interconnected at their ends and forming supports for rotatable tree gripping elements. A bracket is disposed about a tree to be climbed and is attached to a pair of lift rods. A pair of operating rods are connected with these lift rods to cause operating movement.
Claims7
Tree climbing apparatus comprising a frame structure, said frame structure including a plurality of interconnected elongated rigid frame elements, three rotatable devices interconnected to said frame structure by means of said elongated rigid frame elements, two of said rotatable devices engageable with one side of a tree to be climbed, the other of said rotatable devices being engageable with the other side of said tree, a bracket disposed about said tree and spaced vertically above said frame structure, a pair of lift rods connected to said bracket, a pair of rotatable operating rods connected respectively to said lift rods and to said frame structure, and each of said rotatable devices comprising a central shaft and a plurality of radial grippers mounted on said shaft.
Dependencies are inferred from the claim text.