公开(公告)号：US3744720A

公开(公告)日：1973-07-10

申请号：US3744720D

申请日：1972-03-28

Applicant: NELSON IRRIGATION CORP

Inventor： MEYER L

IPC: B05B3/00 ,  B05B3/16 ,  B05B3/08

CPC classification number: B05B3/003 ,  B05B3/0477 ,  B05B3/0481

Abstract: A step-by-step rotary sprinkler head in which the brake mechanism for controlling the arcuate magnitude of the step-bystep movements is manually adjustable by turning a single threaded element to vary the pressure of frictional engagement of a pair of opposed arcuately segmental brake shoes with a ring shaped brake element.

Abstract translation: 一步一步的旋转式喷洒头，其中用于控制逐步运动的弓形大小的制动机构通过转动单个螺纹元件来手动调节，以改变一对相对的弧形节段的摩擦接合压力 具有环形制动元件的制动蹄。