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US 4,788,894 AGranted
Hand tool for removing sprinkler heads from underground watering systems
OwnerMark A. Mitscheleinventor
Life of this patent
Estimating the term…
Abstract
A hand held tool for rotating and twisting as it is forced into the turf and ground over and around a part of a watering system such as a sprinkler head, and employing a ridge at least partially around its inside periphery which traps and compresses the ground in the tool, causing the tool to interlock with the sprinkler head so that the sprinkler head can be threadedly removed from a riser pipe by rotation of the tool.
Claims3
A hand held tool for penetrating the turf and ground over and around a sprinkler head of an underground watering system for removing and repair or replacement of said sprinkler head comprising:
- a hollow conical-shaped member, the narrow end of which is serrated around the edge of its periphery for penetrating the turf and ground, and the wider end of which is provided with a handle means extending axially therefrom, and
- means forming a ridge extending inwardly of and fully around the inside periphery of said member at a point substantially midway of its length for aiding in compressing and trapping the ground inside of said member for holding firmly said sprinkler head within said member when the tool is rotated to remove said sprinkler head from the watering system.
Dependencies are inferred from the claim text.