Diaphragm valve and bypass assembly

• US 3,254,664 A
• Filed: 01/28/1963
• Issued: 06/07/1966
• Est. Priority Date: 01/28/1963
• Status: Expired due to Term

• Current Assignee: Delany, John J., Edwin C. Baisel, Jesse D. Langdon
• Original Assignee: Delany, John J., Edwin C. Baisel, Jesse D. Langdon
• Inventors: Delany, John J., Baisel, Edwin C., Langdon, Jesse D.
• Application Number:
  US04/254,083
• Time in Patent Office: 1,226 Days
• US Class Current: 137/244
• CPC Class Codes: E03D 3/06 with diaphragm valve and pressure chamber for retarding the valve-closing movement
• CPC Class Codes: Y10T 137/4336 Cleaning member reciprocates in passage
• CPC Class Codes: Y10T 137/7909 Valve body is the weight
• CPC Class Codes: Y10T 29/49417 including molding or casting

Claims

1. DIAPHRAGM MEANS FOR USE IN A FLUSH VALVE HAVING AN INLET AND OUTLET WITH A PASSAGE THEREBETWEEN CLOSED BY SAID DIAPHRAGM MEANS WHICH IS BIASED TO OPEN POSITION BY PRESSURE IN THE INLET ACTING ON ONE SIDE THEREOF AND HELD IN CLOSED POSITION BY PRESSURE IN A CHAMBER APPLIED TO ITS OPPOSITE SIDE, COMPRISING A MEMBER OF FLEXIBLE MATERIAL, AND DIAPHRAM MEANS BEING PROVIDED WITH SLEEVE MEANS EXTENDING THERETHROUGH FORMING PASSAGE MEANS COMMUNICATING WITH OPPOSITE SIDES OF SAID DIAPHRAGM MEANS, OPPOSITE ENDS OF SAID SLEEVE MEANS EXTENDING THROUGH SAID DIAPHRAGM MEANS AND BEING PROVIDING WITH FLANGE MEANS FORMING AN EYELET, PIN MEANS OF LESS DIAMETER THAN SAID PASSAGE MEANS EXTENDING THROUGH SAID PASSAGE THAN SAID PASSAGE MEANS EXTENDING THROUGH SAID PASSITE ENDS SPACED AWAY FROM ONE ANOTHER A DISTANCE GREATER THAN THE LENGTH OF SAID SLEEVE MEANS TO PERMIT SAID PIN MEANS LIMITED RECIPROCATION THROUGH SAID PASSAGE MEANS AT LEAST ONE END OF SAID PIN MEANS BEING FLAT LATERALLY AND OF LESS THICKNESS THAN THE DIAMETER OF SAID PASSAGE MEANS TO FORM AT LEAST ONE OF SAID ENLARGED ENDS TO PERMIT FREE PASSAGE TO FLUID IN LINE WITH SAID PASSAGE MEANS.