Patent ID: 7007910

Claim:
A device for fastening an object in the ground, comprising: a basic body; said basic body having an anchoring portion for anchoring the basic body in the ground and a holding portion for engaging the object, said anchoring portion and said holding portion being respectively positioned along a longitudinal extent of the basic body; said anchoring portion having a first portion and a second portion formed from one piece, said second portion being positioned closer to said holding portion than said first portion along said longitudinal extent; said first portion of said anchoring portion being cone shapes with a first cone angle; said second portion of said anchoring portion being cone shaped with a second cone angle larger than said first cone angle; threads attached to said anchoring portion for screwing the anchoring portion into the ground; and said anchoring portion and said holding portion being substantially hollow, wherein the anchoring portion is formed by hammering a cylindrica part into shape.