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. 22, 1992
Filed:
Jul. 01, 1991
Benjamin Spencer, Zichron Yaacob, IL;
Dan Mamtirim, Galil Elyon, IL;
Abstract
A rotary sprinkler of the kind wherein an outlet nozzle having an integrally formed impeller element is adapted to be driven by a drive ball located within a drive ball enclosure wherein a first major axial portion of the side wall extends from the base wall of the enclosure to an intermediate peripheral position thereof and defines a first angle .alpha..sub.1 with respect to a normal to the base wall while a second minor axial portion of the side wall extends from the intermediate peripheral position to an edge rim of the enclosure and defines a second angle .alpha..sub.2 with respect to a normal to the base wall, .alpha..sub.2 being substantially greater than .alpha..sub.1, the impact element being spaced from the intermediate peripheral position by a distance which is not substantially less than one half the diameter of the drive ball.