FR2726479A1 - Gripper sole for climbing trees with smooth trunks - Google Patents

Abstract

The gripper has a sole (c) made of metal which has two metallic points (a,a') of equal length at its inner part. A third point (b) is fixed to the central part of the sole and is longer than the other points.The gripper is held on the shoe or boot of the user by nylon straps fastened by rapid fasteners. The back of the sole has a counter which forms a stop for the shoe or boot.

Description

1 - TITLE
JERRY CLAW 2 - DESCRIPTION
The present invention relates to a device between shoes fitted by a person, making it possible to climb trees with smooth trunks, palm trees or wooden poles, without the help of a third person.

Traditionally in our countries this maneuver is most often carried out with small lifting devices, which implies the securing of at least two people.

In Africa, men reach the summit barefoot, posing risks of deformity, injury or death.

The device according to the invention overcomes these drawbacks. According to a first characteristic, it comprises a metal sole.

According to the particular embodiments - The metal sole comprises on the internal side, two metal spikes of equal length.

- To perfect its grip on the tree, a third tip of a length greater than the other two, placed under the middle of the sole, allows perfect stability at the foot and reinforces its efficiency.

Maintaining these pruning claws on boots or shoes will be done using quick-closing nylon straps. A metal buttress serves as a stop for boots or shoes.

The accompanying drawings illustrate the invention
Figure 1 shows in section the device according to the invention.

Figure 2 shows the location of the fasteners and the buttress.

By way of nonlimiting example, the pruner's claws will have dimensions of the order of - For the sole 2 to 3mm thick.

- For the buttress e å 5mm high.

- For 3rd to 35mm wide straps.

- For the two equal points 48 to 50 mm high.

- For the 3rd tip 180 to 190 mm high.

The purpose of the device according to the invention is safety as well as efficiency and ease in the workplace.

Claims (1)

3 - CLAIMS 1) Pruning claws intended to be put on by a person to allow him to climb trees with smooth trunks in complete safety, characterized in that they include a metal sole (figure 1-c) and 2 metal points ( figure 1-a and a ") of equal length, placed in its internal part. 2) pruner claws according to claim 1 characterized in that they comprise a third point (figure 1-b) placed in the central part of the sole, longer than the other two to perfect its adhesion to the tree 3) Pruning claws according to any one of the preceding claims, characterized in that they are held on shoes or boots by nylon straps (figure 2-d and d ") with quick closing. 4) pruner claws according to any of the preceding claims, characterized in that a buttress (Figure 2-e) serves as a stopper for boots or shoes.