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US 4,971,479 AGranted
Post driver
AssigneeSouthwestern Bell Telephone Company
InventorsAlvin H. Byers, Sr., Clayton F. Brooks
Life of this patent
Estimating the term…
Abstract
A post driver for inserting or removing marker posts into the ground. The driver comprises two components, the hammer and the bracket, which cooperate in a safe and efficient means for installing and removing marker posts. The hammer locks around the post and the bracket attaches to the vertically aligned holes which are located on the face of the post.
Claims21
A device for installing and removing U-shaped posts, said device comprising:
- (a) a bracket with securing means for removably mounting the bracket on a post having a periphery, said bracket including a surface which substantially surrounds and extends outwardly from the periphery of the post;
- and
- (b) a hammer adapted to be reciprocally movable along the post, said hammer having a striking surface substantially surrounding the post so as to contact the surface of said bracket.
A method for installing and removing a U-shaped post, said method comprising the steps of:
- (a) substantially surrounding and affixing a bracket to the post, wherein said bracket presents a surface extending outwardly from the periphery of the post;
- (b) substantially surrounding the post with a hammer having a striking surface adapted to contact said surface of said bracket;
- and
- (c) striking said bracket with said hammer.
1 more element
Dependencies are inferred from the claim text.