Truck load measuring system

• US 3,279,550 A
• Filed: 12/23/1963
• Issued: 10/18/1966
• Est. Priority Date: 12/23/1963
• Status: Expired due to Term

• Current Assignee: Donald J. Kersten
• Original Assignee: Donald J. Kersten
• Inventors: Kersten, Donald J.
• Application Number:
  US04/332,726
• Time in Patent Office: 1,030 Days
• US Class Current: 177/136
• CPC Class Codes: G01G 19/12 having electrical weight-sensitive devices
• CPC Class Codes: G01G 3/1406 combined with special measuring circuits

Claims

3. A TRUCK LOAD MEASURING SYSTEM COMPRISING:

(A) AN UPPER PORTION SECURED TO A LOAD BEARING FRAME;

(B) A LOWER PORTION SECURED TO A TRUCK FRAME;

(C) MEANS SECURED TO SAID UPPER AND LOWER PORTIONS TO MAINTAIN SAID PORTIONS IN SPACED-APART RELATION AND TO PERMIT RELATIVE FLEXURE THEREBETWEEN;

(D) A LOAD CELL MOUNTED ON ONE SAID PORTIONS IN ABUTTING RELATION WITH THE OTHER OF SAID PORTIONS AND POSITIONED BETWEEN SAID UPPER AND LOWER PORTIONS AT A POINT OF FLEXURE THEREBETWEEN;

(E) SAID LOAD CELL INCLUDING ELECTRICAL INPUT AND OUTPUT TERMINALS;

(F) A VOLTAGE SOURCE;

(G) MEANS CONNECTING SAID SOURCE TO SAID LOAD CELL INPUT TERMINALS;

(H) A TILT SENSOR FOR TRANSLATING THE ANGLE OF INCLINATION THEREOF INTO AN IMPEDANCE;

(I) MEANS CONNECTING SAID IMPEDANCE IN SERIES WITH SAID OUTPUT TERMINALS.