Tension measuring apparatus

• US 3,289,473 A
• Filed: 07/14/1964
• Issued: 12/06/1966
• Est. Priority Date: 07/14/1964
• Status: Expired due to Term

• Current Assignee: Jan Louda
• Original Assignee: Jan Louda
• Inventors: JAN LOUDA
• Application Number:
  US04/382,541
• Time in Patent Office: 875 Days
• US Class Current: 73/862.44
• CPC Class Codes: B66C 13/16 Applications of indicating, registering, or weighing devices in crane hooks B66C1/40; in safety gear B66C15/00; weighing-apparatus G01G; remote indicating in general G08
• CPC Class Codes: G01G 19/18 having electrical weight-sensitive devices
• CPC Class Codes: G01L 5/04 for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands G01L5/0004 takes precedence

Claims

1. AN APPARATUS FOR MEASURING TENSION IN A TENSION MEMBER COMPRISING, IN COMBINATION:

(A) DRUM MEANS ADAPTED TO HAVE A TENSION MEMBER WOUND THEREON, SAID DRUM MEANS HAVING AN AXIS AND TWO AXIAL END PORTIONS;

(B) DRIVE MEANS ARRANGED FOR ROTATION ABOUT A FIXED AXIS AND PIVOTALLY ENGAGING ONE OF SAID END PORTIONS FOR ROTATING SAID DRUM MEANS ABOUT THE AXIS THEREOF;

(C) BEARING MEANS FOR SUPPORTING THE OTHER END PORTION OF SAID DRUM MEANS, SAID BEARING MEANS INCLUDING (1) A FIXED SUPPORT, (2) A BEARING MEMBER MOVABLE IN SAID SUPPORT IN A DIRECTION TRANSVERSE TO THE AXIS OF SAID DRUM MEANS SAID OTHER END PORTION ROTATABLY ENGAGING SAID BEARING MEMBER, AND (3) YIELDABLY RESILIENT MEANS URGING SAID BEARING MEMBER TOWARD A PREDETERMINED POSITION RELATIVE TO SAID SUPPORT;

AND (D) MEASURING MEANS FOR MEASURING THE SPACING OF SAID BEARING MEMBER FROM SAID PREDETERMINED POSITION.