公开(公告)号：US3551921A

公开(公告)日：1971-01-05

申请号：US3551921D

申请日：1968-06-28

申请人： SAJAR PLASTICS INC

发明人： FOX WILLIAM R ,  ROWE EDGAR R

IPC分类号： E03C1/23 ,  E03C1/232

CPC分类号： E03C1/23 ,  E03C2001/2317 ,  Y10T74/18864 ,  Y10T74/18872 ,  Y10T74/18904

摘要： A MECHANICAL CONTROL FOR A LIQUID DRAIN STOPPER INCLUDES A MOUNTING PLATE HAVING A HOLE IN IT AND CAM MEANS FORMED ON THE REAR FACE OF THE PLATE ADJACENT THE HOLE. A LEVER EXTENDS THROUGH THE HOLE AND A U-SHAPED SPRING BIASES AGAINST AN ABUTMENT ON THE REAR OF THE LEVER AND AGAINST THE CAM MEANS. PIVOTING THE FRONT PORTION OF THE LEVER MOVES THE SPRING FROM ONE PORTION OF THE CAM TO

ANOTHER FOR POSITIONING A DRAIN STOPPER IN EITHER AN OPENED OR A CLOSED POSITION.