Safety helmet

Claim 1

A HEAD SUSPENSION FOR A SAFETY HELMET FORMED OF AN INVERTED BOWL-LIKE SHELL, COMPRISING A HEADBAND FORMED OF A WIDE STRIP OF THICK, RESILIENT, SHEET MATERIAL ARRANGED HORIZONTALLY AROUND THE INSIDE WALL OF THE SHELL AND ADAPTED TO SUBSTANTIALLY COMPLETELY SURROUND A HEAD WEARING THE HELMET, THE HEADBAND HAVING A TOP EDGE AND A BOTTOM EDGE AND HAVING A PREDETERMINED NUMBER OF SPACED APART HORIZONTALLY ARRANGED SLOTS LOCATED BETWEEN SAID TOP AND BOTTOM EDGES, BUT NEARER TO SAID BOTTOM EDGE, THE SLOTS EACH EXTENDING COMPLETELY THROUGH THE STRIP; FLEXIBLE SUSPENSION STRAPS HAVING CENTER PORTIONS ARRANGED WITHIN, BUT SPACED A DISTANCE BENEATH THE TOP OF THE SHELL AND HAVING END PORTIONS PASSING DOWNWARDLY BETWEEN THE HEADBAND AND THE SHELL IN FACE TO FACE CONTACT WITH THE OUTER FACE OF THE HEADBAND, THAT IS, THE HEADBAND FACE WHICH IS ADJACENT TO THE WALL, AND PASSING AROUND THE BOTTOM EDGE OF THE HEADBAND AND UPWARDLY IN CONTACT WITH THE OPPOSITE FACE OF THE HEADBAND, THEN THROUGH ONE OF THE SLOTS AND TERMINATING IN ENDS WHICH OVERLAP THE RESPECTIVE STRAP BODIES AT POINTS LOCATED BETWEEN THE HEADBAND AND THE SHELL AND APPROXIMATELY MIDWAY BETWEEN THE TOP AND BOTTOM EDGES OF THE HEADBAND, AND MECHANICAL FASTENERS SECURING EACH OF THE STRAP ENDS AND ITS RESPECTIVE STRAP BODY TOGETHER AND TO THE SHELL, THE STRAPS AND THE HEADBAND BEING OTHERWISE FREE OF SECUREMENT TO THE SHELL AND THE STRAP PORTIONS LOCATED ABOVE THE MECHANICAL FASTENERS BEING MOVABLE UPWARDLY AND INWARDLY RELATIVE TO THE SHELL UNDER LOAD APPLIED TO THE SHELL TO THUS BIAS RADIALLY INWARDLY OF THE SHELL THE PORTION OF THE HEADBAND LOCATED ABOVE THE MECHANICAL FASTENERS.