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:
Feb. 04, 1986
Filed:
Jun. 30, 1983
Applicant:
Inventor:
Jerry R Hayes, Peoria, IL (US);
Assignee:
L. R. Nelson Corporation, Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
239242 ;
Abstract
A uniform water pattern oscillating wave type lawn sprinkler in which the impeller has a dynamic impeller ratio as herein defined of less than approximately 0.30, the reduction gear assembly has a gear reduction ratio of greater than approximately 400 to 1 and an efficiency of at least 26% preferably 39% or greater and the heart-shaped cam motion-transmitting mechanism has a heart-shaped cam with a cam factor as herein defined of less than approximately 3 so as to enable said housing structure to be an optimal minimum in size.