Weighing scale with cantilever beam for transmitting force to a strain gauge

A weighing scale, comprising:

• a housing having an upper platform for receiving a load, and a base;
• an intermediate cover located between said upper platform and said base for transmitting said load from said upper platform;
• a lever assembly comprising a plurality of levers extending diagonally inward from respective corners of said base, each of said levers being in contact with said intermediate cover by contacting means and supported by a respective post element mounted on said base, the lever assembly further comprising a first connecting plate and a second connecting plate, each connecting plate connecting at least two levers to one another;
• a cantilever bean mounted on said base and positioned between said lever assembly and said base;
• a weight-transmitting pin for supporting said lever assembly and acting on said cantilever beam for transmitting said load from said intermediate cover to said cantilever beam through said lever assembly;
• a strain gauge element fixed on said cantilever beam for converting a strain developed in said beam into an electrical signal;
• and
• an indicator responsive to said electrical signal;
• the arrangement being such that a displacement of said upper platform toward said base results in a corresponding displacement of said intermediate cover and movement of said levers, and exerts a force on said cantilever beam through said weight-transmitting pin to cause the strain gauge element to develop said electrical signal wherein said weight-transmitting pin comprises a lower tip portion in engagement with said cantilever beam, a wide column extending upwardly from said lower tip portion and supporting the second connecting plate, a narrow column extending upwardly from said wide column through a hole in said second connecting plate, and an upper tip portion for supporting said first connecting plate.