Sprinkler drive arm

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Description

FIG. 1 is a perspective view taken from the top, front and left side of a sprinkler drive arm showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

The broken line representation of a sprinkler body in FIG. 1 is for purposes of illustration only.

Referenced Cited
U.S. Patent Documents
D255825 July 8, 1980 Hardy
D266449 October 5, 1982 Foreman
D270178 August 16, 1983 Heeh
D276454 November 20, 1984 Brown et al.
2214990 September 1940 Buckner
3022012 February 1962 Sharp et al.
3208672 September 1965 Sully
3408009 October 1968 Friedmann et al.
3856207 December 1974 Rees, Jr.
3884416 May 1975 King
3918642 November 1975 Best
3930617 January 6, 1976 Dunmire
3952953 April 27, 1976 Eby
3955762 May 11, 1976 Cassimatis et al.
3957205 May 18, 1976 Costa
3968934 July 13, 1976 Healy
4182494 January 8, 1980 Wichman et al.
4205780 June 3, 1980 Bruninga
Patent History
Patent number: D282768
Type: Grant
Filed: Jul 19, 1983
Date of Patent: Feb 25, 1986
Assignee: Rain Bird Sprinkler Mfg. Corp. (Glendora, CA)
Inventors: Hans D. Christen (LaVerne, CA), David E. Robertson (Covina, CA)
Primary Examiner: James R. Largen
Law Firm: Fulwider, Patton, Rieber, Lee & Utecht
Application Number: 6/515,298
Classifications
Current U.S. Class: D23/7