Longitudinally yieldable coupling

• US 2,966,371 A
• Filed: 08/30/1957
• Issued: 12/27/1960
• Est. Priority Date: 08/30/1957
• Status: Expired due to Term

• Current Assignee: Earl F. Bruning
• Original Assignee: Earl F. Bruning
• Inventors: Bruning, Earl F.
• Application Number:
  US03/681,243
• Time in Patent Office: 1,215 Days
• US Class Current: 137/343
• CPC Class Codes: F16L 29/00 Joints with fluid cut-off means quick-acting joints with cut-off means F16L37/28
• CPC Class Codes: F16L 37/02 in which the connection is maintained only by friction of the parts being joined F16L37/22 takes precedence
• CPC Class Codes: F16L 37/32 at least one of two lift valves being opened automatically when the coupling is applied
• CPC Class Codes: Y10T 137/6851 With casing, support, protector or static constructional installations
• CPC Class Codes: Y10T 137/87957 Valves actuate each other

Claims