Patent ID: 8382009
Filing Date: 2013-02-26
Classification: B05B

Abstract:
1. A percussion sprinkler having an adjustable discharge angle, the percussion sprinkler comprising: a pedestal having a top and a bottom, said top of said pedestal having a setting surface thereon, said pedestal having an inlet tube extending from said bottom to said top; an adjusting ring set onto said setting surface of said pedestal, said adjusting ring having a retaining surface and an adjustor received into said setting surface so as to set a height of said retaining surface; and a main body having a mating end at a bottom thereof, said mating end mated with said inlet tube, said main body having an upper frame, said main body having a sprinkler head adjacent a lower flange of said main body, said sprinkler head having a circumferential flange; a percussion guide frame flexibly affixed onto said upper frame of said main body, said percussion guide frame having a hydraulic pusher bearing on a front end of said sprinkler head so as to urge said sprinkler head downwardly, said percussion guide frame having a torsional spring positioned above said sprinkler head so as to urge said sprinkler head downwardly, said hydraulic pusher and said torsional spring positioned on one side of said main body; and a driving rod having a first end and a second end, said first end of said driving rod linked to said circumferential flange of said sprinkler head, said second end of said driving rod slidably abutting said retaining surface of said adjusting ring, said driving rod having a fixed length and extending angularly outwardly and downwardly from said circumferential flange of said sprinkler head, said driving rod shifting vertically along said retaining surface as said main body is rotated so as to cause said sprinkler head to swing vertically so as to change said discharge angle thereof.