Float-controlled rotary valve for flooding a rice paddy to a predetermined depth

Description

FIG. 1 is a front perspective view of a float-controlled rotary valve for flooding a rice paddy to a predetermined depth, showing my new design, with the louvers in fully closed position;

FIG. 2 is a front elevational view thereof, but with the louvers in fully open position;

FIG. 3 is a top plan view thereof with the louvers in mid position;

FIG. 4 is a bottom plan view thereof with the louvers in mid position;

FIG. 5 is a left side elevational view thereof with the louvers in mid position;

FIG. 6 is a right side elevational view thereof with the louvers in mid position; and,

FIG. 7 is a rear elevational view thereof with the louvers in mid position.

Referenced Cited
U.S. Patent Documents
D292821 November 17, 1987 Tsolkas
D292822 November 17, 1987 Tsolkas
382128 May 1888 Adams
715386 December 1902 Jones
910874 January 1909 Singer
2290461 July 1942 Yarns
3916945 November 1975 Bennett
Patent History
Patent number: D346431
Type: Grant
Filed: Jun 26, 1992
Date of Patent: Apr 26, 1994
Inventor: Daryl D. Alberico (Willows, CA)
Primary Examiner: Stella Reid
Assistant Examiner: Eric Watterson
Law Firm: Lothrop & West
Application Number: 7/903,197
Classifications
Current U.S. Class: Ballcock Or Float Type (D23/236)