Lawn sprinkler head conversion sleeve
AssigneeTheodore James Paquin
InventorTheodore James Paquin
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Abstract
A sprinkler head conversion sleeve/base member made of durable plastic, comprised of a cylindrical sleeve having an opening at the upper end with an external thread for attachment to a gear driven sprinkler head. The lower end of the sleeve having an external thread for attachment to the internal threads of an in-ground sprinkler housing. The open bottom of the sleeve receives water from the lower chamber of the existing sprinkler housing with no direct connect to a pressurized water system, water enters from either the bottom or the side orifice with no additional plumbing. The sleeve also supports internal protrusions which facilitate the mechanical operation of a gear driven sprinkler head used in conjunction with the sleeve.
Claims1
A Lawn sprinkler head conversion sleeve configured for supplanting impact sprinkler heads to gear-driven sprinkler heads within an in-ground sprinkler housing, said sleeve comprising:
- a unitary, one-piece hollow body made of a durable plastic material and having openings at an top end, configured to accept a gear-driven sprinkler head, and a bottom end, configured to communicate with a sprinkler line;
- said hollow body having an upper portion and a lower portion;
- said upper portion comprising
- first external threads located on an upper end of said upper portion and adjacent said top end opening;
- second external threads located on a lower end of said upper portion configured engage an in-ground sprinkler housing;
- said first and second external threads being separated by a central body portion having a non-threaded external surface;
- and
- protrusions on an inner surface of said upper portion extending from said upper end to said lower end;
- said lower portion extending from the upper portion and comprising
- a non-threaded external surface;
- and
- an internal thread adjacent said bottom end opening of said hollow body configured for the attachment of a gear driven sprinkler head.
Dependencies are inferred from the claim text.