Weight-recording weighing machines

Claim 1

IN A WEIGHT-RECORDING DEVICE, INCLUDING A ROTATABLE SHAFT WHOSE ANGULAR POSITION IS PROPORTIONAL TO THE INSTANTANEOUS MAGNITUDE OF THE WEIGHT MEASURED, A DISC CARRYING NUMERICAL PRINTING INDICIA, REPRESENTATIVE OF THE MAGNITUDE OF THE WEIGHT MEASURED, ASSOCIATED WITH A PRINTING MEANS, AND A SECOND ROTATABLE SHAFT OPERATIVE BY THE WEIGHING DEVICE WHEN THE FINAL VALUE OF THE WEIGHT MEASURED IS REACHED, THE IMPROVEMENT COMPRISING: (A) A PLURALITY OF ELECTRICAL CONTACTS SECURED TO ONE SIDE OF SAID DISC IN A PRESELECTED, CODED ARRANGEMENT REPRESENTATIVE OF CORRESPONDING ONES OF SAID NUMERICAL INDICIA; (B) A PROBE HEAD PIVOTALLY MOUNTED ABOVE SAID CONTACTS AND ON ONE SIDE OF SAID DISC AND ADAPTED TO PIVOT TOWARD AND AWAY FROM SAID CONTACTS; (C) A PLURALITY OF ELECTRICAL PROBES ARRANGED IN SAID PROBE HEAD IN A MANNER SUCH THAT SAID PROBES ARE SELECTIVELY ENERGIZED WHEN IN CONTACT WITH SAID CONTACTS; AND (D) ACTUATING MEANS CONNECTING SAID SECOND SHAFT TO SAID PROBE HEAD AND ADAPTED TO BRING SAID PROBES INTO CONTACT WITH SAID CONTACTS WHEN SAID SECOND SHAFT IS ROTATED.