The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 1997
Filed:
Oct. 16, 1995
Tuan Van Le, Diamond Bar, CA (US);
James Hardie Irrigation, Inc., Laguna Niguel, CA (US);
Abstract
A rotary sprinkler comprising a supporting structure and a sprinkler head mounted for rotational movement on the supporting structure. The sprinkler includes an arc controller for controlling the magnitude of the arc through which the sprinkler head can rotate and an arc adjuster for adjusting the arc controller to thereby adjust the arc through which the sprinkler head can rotate. The arc adjuster includes an arc adjust member mounted for rotation with the sprinkler head and drivingly coupled to the arc controller to adjust the arc through which the sprinkler head can rotate and an arc adjust driver for rotating the arc adjust member. The arc adjust member includes a plurality of seals integral with the arc adjust member and a pointer for providing an indication of one end of the arc through which the sprinkler head can rotate. The supporting structure has a marker for providing an indication of the other end of the arc through which the sprinkler head can rotate, and the sprinkler head has indicia for use with the pointer for indicating the magnitude of the arc through which the sprinkler head can rotate.