Magnetic holder

Claim 1

A MAGNETIC HOLDER ASSEMBLY COMPRISING A RESILIENT CASING HAVING A FRONT WALL AND A PAIR OF END WALLS AT OPPOSITE ENDS OF THE FRONT WALL ENCLOSING AN AREA WITH THE EDGES OF THE WALLS DEFINING A REAR OPENING IN THE CASING, SAID FRONT WALL HAVING A PLURALITY OF LONGITUDINALLY EXTENDING AND TRANSVERSELY SPACED APERTURES DIMENSIONED TO RECEIVE A PLURALITY OF POLE PIECES, A PAIR OF POLE PIECES POSITIONED LONGITUDINALLY IN THE CASING IN OVERLYING AND SPACED RELATIONSHIP WITH EACH OTHER, SAID POLE PIECES HAVING FRONT PORTIONS EXTENDING THROUGH SAID APERTURES INCLUDING FRONT EDGES POSITIONED EXTERNALLY OF THE FRONT WALL OF THE CASING, AT LEAST ONE PERMANENT MAGNET POSITIONED IN THE CASING BETWEEN THE POLE PIECES AND HAVING OPPOSITE POLE FACES OF OPPOSITE POLARITY ENGAGING THE POLE PIECES RESPECTIVELY, THE END WALLS OF THE CASING HAVING INCLINED INNER SURFACES EXTENDING SUBSTANTIALLY FROM THE FRONT TO THE REAR OF THE CASING AND CONVERING TOWARDS THE FRONT WALL OF THE CASING, PORTIONS OF THE ENDS OF THE POLE PIECES HAVING INWARDLY TAPERED EDGES BEING IN ENGAGEMENT WITH SAID SURFACES AND BEING INCLINED SIMILARLY THERETO WHEREBY THE POLE PIECES ARE HELD AGAINST MOVEMENT TOWARDS THE FRONT WALL OF THE CASING, SAID SURFACES OF THE CASING TERMINATING ADJACENT SAID REAR OPENING IN A PLURALITY OF PROJECTIONS EXTENDING LATERALLY INWARDLY FROM THE END WALLS OF THE CASING, THE ENDS OF THE POLE PIECES HAVING PORTIONS REVERSELY TAPERED WITH RESPECT TO SAID FIRST END PORTIONS AND BEING IN ENGAGEMENT WITH SAID PROJECTIONS WHEREBY THE POLE PIECES ARE SECURED IN THE CASING AGAINST REARWARD MOVEMENT THROUGH THE OPENING IN THE CASING, SAID PROJECTIONS ON THE END WALLS OF THE CASING BEING DIMENSIONED AND ARRANGED SUCH THAT THE FRONT EDGES OF THE POLE PIECES LIE IN A PLANE INCLINED TO THE PLANE OF SAID REAR OPENING OF THE CASING.