Safety belt and lock for same

Claim 1

A SAFETY BELT FOR RELEASABLY SECURING AN OCCUPANT IN A SEAT OF A VEHICLE, COMPRISING (A) A FIRST BELT FIXED AT ONE END THEREOF AT ONE SIDE OF THE SEAT, (B) A RELEASABLE LOCK SECURED TO THE OTHER END OF SAID BELT TO BE ADJACENT ONE HIP OF THE OCCUPANT WHEN THE SEAT IS OCCUPIED AND THE BELT IS IN USE, (C) SAID LOCK COMPRISING A FIXED PART TO WHICH SAID OTHER END OF SAID FIRST BELT IS FIXEDLY SECURED, AN ARM PIVOTED AT ONE END OF SAID FIXED PART, AND A MANUALLY RELEASABLE LATCH FOR SECURING THE OPPOSITE END OF SAID ARM IN LOCKED POSITION, (D) A SECOND BELT SECURED AT ONE END IN THE UPPER PART OF THE CAR TO EXTEND OVER ONE SHOULDER OF THE OCCUPANT OF THE SEAT AND DIAGONALLY OVER THE OCCUPANT''S THORAX TO SAID LOCK AND AROUND AND OVER SAID ARM AND OVER THE OCCUPANT''S LAP AND BEING FIXED AT ITS OTHER END AT THE SIDE OF THE SEAT OPPOSITE TO THAT AT WHICH SAID FIRST BELT IS FIXED, (E) SAID SECOND BELT BEING DIVIDED INTERMEDIATE ITS ENDS INTO PARTS, AND (F) A BUCKLE DISPOSED BETWEEN SAID LOCK AND SAID OTHER END OF SAID SECOND BELT AND RELEASABLY CONNECTING THE TWO PARTS OF SAID SECOND BELT TOGETHER TO PERMIT ADJUSTMENT OF THE LENGTH OF SAID SECOND BELT, (G) SAID ARM, WHEN RELEASED FROM LOCKED POSITION, PERMITTING REMOVAL OF SAID SECOND BELT FROM ENGAGEMENT WITH SAID LOCK WITHOUT RELEASING SAID BUCKLE.