Articulate joint

• US 3,306,634 A
• Filed: 03/08/1965
• Issued: 02/28/1967
• Est. Priority Date: 02/07/1963
• Status: Expired due to Term

• Current Assignee: Martin V. Groves, Michael Mastromatteo
• Original Assignee: Martin V. Groves, Michael Mastromatteo
• Inventors: Groves, Martin V., MICHAEL MASTROMATTEO
• Application Number:
  US04/438,014
• Time in Patent Office: 722 Days
• US Class Current: 285/7
• CPC Class Codes: F16L 27/0857 with hinge and bellows sealing
• CPC Class Codes: F16L 27/12 allowing substantial longitudinal adjustment or movement by use of screw-thread F16L15/02

Claims

1. AN ARTICLULATE JOINT FOR CONNECTING A PAIR OF AIR CONDUITS COMPRISING, A FIRST TUBULAR MEMBER HAVING AN OUTER REAR END FOR SUBSTANTIALLY AIRTIGHT INTERFITTING ENGAGEMENT WITH AN END OF ONE OF SAID CONDUITS AND HAVING ADJACENT ITS INNER FRONT END A PAIR OF DIAMETRICALLY OPPOSED OUTWARDLY EXTENDING TRUNNIONS DEFINING AN ARTICULATE AXIS, THE INNER END OF SAID FIRST TUBULAR MEMBER ON ONE SIDE OF SAID AXIS BEING TAPERED OUTWARDLY AND REARWARDLY TOWARD THE REAR END OF SAID TUBULAR MEMBER ALONG A PLANE PARALLEL WITH SAID TRUNNION AXIS AND INTERSECTING THE AXIS OF SAID TUBULAR MEMBER FORWARDLY OF SAID TRUNNIONS, A SECOND TUBULAR MEMBER IN AXIAL ALIGNMENT WITH SAID FIRST TUBULAR MEMBER AND HAVING AN INNER REAR END SPACED THEREFROM AND AN OUTER FORWARD END FOR SUBSTANTIALLY AIRTIGHT ATTACHMENT TO AN END OF THE OTHER OF SAID CONDUITS, A PAIR OF SEMI-CIRCULAR TUBULAR SLEEVES PROVIDED WITH REARWARDLY EXTENDING TRUNNION LUGS IN PIVOTAL ENGAGEMENT WITH SAID TRUNNIONS, SAID SEMI-CIRCULAR SLEEVES WHEN ASSEMBLED PROVIDING A FORWARD EXTERNAL DIAMETER HAVING A SNUG INTERFITTING ENGAGEMENT WITHIN THE SECOND TUBULAR MEMBER, MEANS FOR LOCKING SAID SEMI-CIRCULAR SLEEVE AND SECOND TUBULAR MEMBER IN ASSEMBLED RELATIONSHIP AND A FLEXIBLE TUBULAR BOOT HAVING A REAR END SURROUNDING AND IN SEALING ENGAGEMENT WITH SAID REAR TUBULAR MEMBER AND A FORWARD END SURROUNDING AND IN SEALING ENGAGEMENT WITH SAID FRONT TUBULAR MEMBER.