Load weighing system

• US 3,231,035 A
• Filed: 10/28/1963
• Issued: 01/25/1966
• Est. Priority Date: 10/28/1963
• Status: Expired due to Term

• Current Assignee: William M. Wise
• Original Assignee: William M. Wise
• Inventors: Wise, William M.
• Application Number:
  US04/320,254
• Time in Patent Office: 820 Days
• US Class Current: 177/139
• CPC Class Codes: B66F 17/003 for fork-lift trucks
• CPC Class Codes: G01G 19/083 lift truck scale

Claims

1. IN A WEIGHTING SCALE, A BASE PORTION, A LOAD-SUPPORTING PORTION MOVABLE UNDER WEIGHING LOADS WITH RESPECT TO THE BASE PORTION, A LEVER SYSTEM FULCRUMED ON ONE OF SAID PORTIONS AND OPERATIVELY INTERCONNECTING SAID PORTIONS AND ACTUATABLE BY RELATIVE MOVEMENT OF SAID PORTIONS, SAID LEVER SYSTEM COMPRISING A PAIR OF LEVERS HAVING THEIR FULCRUM AXES PARALLEL BUT SPACED FROM ONE ANOTHER, MEANS ARTICULATING SAID LEVERS TO EACH OTHER FOR CONTROLLED SIMULTANEOUS MOVEMENT ABOUT THEIR FULCRUM AXES, LOAD SENSING MEANS RESPONSIVE TO SUCH MOVEMENT OF SAID LEVERS, AND SUBSTANTIALLY FRICTION FREE MOTION GUIDING MEANS CONTINUOUSLY INTERCONNECTING SAID PORTIONS INDEPENDENTLY OF SAID LEVERS FOR CONTROLLING THE MOVEMENT OF SAID LOAD-SUPPORTING PORTION IN A DIRECTION SUBSTANTIALLY PARALLEL TO THE DIRECTION OF WEIGHT LOAD FORCES.