Tube compressor having incremental steps of flow adjustment

• US 3,299,904 A
• Filed: 04/23/1964
• Issued: 01/24/1967
• Est. Priority Date: 04/23/1964
• Status: Expired due to Term

• Current Assignee: Burke, George K.
• Original Assignee: Burke, George K.
• Inventors: Burke, George K.
• Application Number:
  US04/362,126
• Time in Patent Office: 1,006 Days
• US Class Current: 137/315.07
• CPC Class Codes: A61M 39/285 Cam clamps, e.g. roller clamps with eccentric axis
• CPC Class Codes: Y10T 137/60 Assembling or disassembling flexible tube or sleeve type valve
• CPC Class Codes: Y10T 137/8309 Pointer integral with handle

Claims

9. FLOW REGULATING APPARATUS COMPRISING A BODY MEANS FORMED OF A PAIR OF SEPARATE BODY PORTIONS WHICH ARE ADAPTED TO BE SNAPPED TOGETHER AND LOCKED IN OPERATIVE RELATIONSHIP, A FIRST BODY PORTION INCLUDING A CENTRAL SUPPORT PORTION, SAID FIRST BODY PORTION HAVING AN INWARDLY EXTENDING TAPERED PROJECTION FORMED THEREON ENGAGING ONE SIDE OF A FLEXIBLE TUBE OPERATIVELY ASSOCIATED THEREWITH, SAID FIRST BODY PORTION HAVING AREAS FORMED THEREIN FOR RECEIVING A FLEXIBLE TUBE, SAID FIRST BODY PORTION HAVING SPACED FIRST AND SECOND LIMIT STOP MEANS FORMED THEREON, SAID FIRST BODY PORTION HAVING A PLURALITY OF PROJECTIONS EXTENDING THEREFROM TO SERVE AS ALIGNING MEANS, SAID FIRST BODY PORTION HAVING OPPOSITELY DISPOSED SLOPING CAM SURFACES FORMED THEREON AND HAVING LOCK SHOULDERS DISPOSED ADJACENT SAID CAM SURFACES, A SECOND BODY PORTION HAVING A CENTRAL HOLE FORMED THEREIN FOR RECEIVING AN OPERATING MEANS, SAID SECOND BODY PORTION INCLUDING LOCKING ARM PORTIONS HAVING CAM SURFACES FORMED ON THE INNER SURFACES THEREOF AND HAVING LATERALLY EXTENDING LOCK PORTIONS AT ONE END THEREOF ENGAGING SAID LOCK SHOULDERS AND RETAINING SAID SECOND BODY PORTION IN OPERATIVE RELATIONSHIP WITH RESPECT TO SAID FIRST BODY PORTION, SAID SECOND BODY PORTION HAVING AREAS FORMED THEREIN RECEIVING SAID FLEXIBLE TUBE EXTENDING THROUGH THE BODY MEANS, SAID SECOND BODY PORTION HAVING A PLURALITY OF ALIGNING MEANS FORMED THEREON TO COOPERATE WITH THE ALIGNING MEANS FORMED ON THE FIRST BODY PORTION TO ENSURE THAT THE TWO BODY PORTIONS ARE ASSEMBLED IN THE CORRECT RELATIONSHIP, SAID SECOND BODY PORTION HAVING INDICATING MEANS FORMED THEREON AND INCLUDING DETENT LOCK MEANS FORMED IN ONE SURFACE THEREOF, AN OPERATING MEANS INCLUDING A BOSS PORTION JOURNALLED ON SAID CENTRAL SUPPORT PORTION OF THE FIRST BODY PORTION, SAID OPERATING MEANS EXTENDING THROUGH THE CENTRAL HOLE IN SAID SECOND BODY PORTION AND INCLUDING AN ELONGATED HANDLE PORTION ADAPTED TO BE MANUALLY ENGAGED, SAID ELONGATED HANDLE PORTION HAVING DETENT MEANS FORMED THEREON POSITIONED TO COOPERATE WITH THE DETENT LOCK MEANS FORMED ON THE SECOND BODY PORTION FOR LOCKING THE OPERATING MEANS IN A DESIRED OPERATIVE POSITION, SAID OPERATING MENS HAVING TUBE ENGAGING MEANS FORMED THEREON AND DISPOSED WITHIN SAID BODY MEANS AND CONTACTING THE OPPOSITE SIDE OF THE TUBE, SAID TUBE ENGAGING MEANS COMPRISING A PLURALITY OF SEPARATE TOOTH MEMBERS EACH OF WHICH HAS AN ENGAGING OUTER END PORTION POSITIONED FOR ENGAGING END PORTION AND SAID INWARDLY BETWEEN SUCH ENGAGING END PORTION AND SAID INWARDLY EXTENDING PROJECTION FORMED ON SAID FIRST BODY PORTION, SAID OPERATING MEANS BEING MOUNTED FOR ROTATION ABOUT AN AXIS EXTENDING THROUGH THE CENTRAL SUPPORT PORTION OF SAID FIRST BODY PORTION, THE ENGAGING END PORTIONS OF SAID TOOTH MEMBERS BEING DISPOSED PROGRESSIVELY GREATER DISTANCES FROM SAID AXIS OF ROTATION OF THE OPERATING MEANS, AND CERTAIN OF SAID TOOTH MEMBERS HAVING THE ENGAGING END PORTIONS THEREOF DEFINING A SLOPE WITH A LINE EXTENDING SUBSTANTIALLY PARALLEL WITH THE AXIS OF ROTATION OF SAID OPERATING MEANS, SAID OPERATING MEANS HAVING A PAIR OF STOP SURFACES FORMED THEREON ADAPTED TO ENGAGE THE LIMIT STOP MEANS FORMED ON SAID FIRST BODY PORTION.