Electric razor

Claim 1

AN ELECTRIC RAZOR COMPRISING, IN COMBINATION, AN ELONGATED HOUSING HAVING A BOTTOM WALL AND BEING FORMED IN SAID BOTTOM WALL WITH A SLOT EXTENDING TRANSVERSELY THERETHROUGH AND BEING DEFINED BY A PAIR OF EDGE FACES EACH FORMED WITH A LONGITUDINALLY EXTENDING GROOVE; MOTOR MEANS IN SAID HOUSING AT A PORTION THEREOF SPACED FROM SAID BOTTOM WALL; A CHARGING DEVICE IN SAID HOUSING ADJACENT SAID BOTTOM WALL AND HAVING A PAIR OF SPACED RESILIENT CONTACTS FACING SAID SLOT; AN ACCUMULATOR IN SAID HOUSING ARRANGED BETWEEN AND ELECTRICALLY CONNECTED TO SAID MOTOR MEANS AND SAID CHARGING DEVICE; FIRST CONTACT MEANS INCLUDING A FIRST INSULATING PLATE OF A WIDTH SUBSTANTIALLY EQUAL TO THE WIDTH OF SAID SLOT AND HAVING LONGITUDINAL EDGE PORTIONS ADAPTED TO FIT INTO SAID GROOVE SO THAT SAID EDGE PORTIONS OF SAID FIRST INSULATING PLATE MAY BE SLID INTO SAID GROOVES TO RELEASABLY CONNECT SAID FIRST CONTACT MEANS TO SAID BOTTOM WALL OF SAID HOUSING, SAID FIRST CONTACT MEANS FURTHER INCLUDE A PAIR OF PRONGS EXTENDING THROUGH SAID FIRST INSULATING PLATE AND HAVING INNER ENDS SPACED FROM EACH OTHER A DISTANCE EQUAL TO THE SPACING OF SAID PAIR OF CONTACTS SO AS TO RESILIENTLY ENGAGE THE LATTER WHEN SAID FIRST INSULATING PLATE IS PLACED IN SAID SLOT, AND A PAIR OF OUTER END PORTIONS SPACED A GIVEN DISTANCE FROM EACH OTHER; AND SECOND CONTACT MEANS INCLUDING A SECOND INSULATING PLATE HAVING A WIDTH SUBSTANTIALLY EQUAL TO THE WIDTH OF SAID SLOT AND HAVING A PAIR OF LONGITUDINAL EDGE PORTIONS ADAPTED TO FIT INTO SAID GROOVES SO THAT SAID EDGE PORTIONS OF SAID SECOND INSULATING PLATE MAY BE SLID INTO SAID GROOVES AFTER SAID FIRST CONTACT MEANS ARE REMOVED THEREFROM TO RELEASABLY CONNECT SAID SECOND CONTACT MEANS TO SAID BOTTOM WALL OF SAID HOUSING, SAID SECOND CONTACT MEANS FURTHER INCLUDE A PAIR OF PRONGS HAVING INNER ENDS SPACED FROM EACH OTHER A DISTANCE EQUAL TO THE SPACING OF SAID PAIR OF CONTACTS SO AS TO RESILIENTLY ENGAGE THE LATTER WHEN SAID SECOND INSULATING PLATE IS PLACED IN SAID SLOT, AND A PAIR OF OUTER END PORTIONS SPACED A DISTANCE FROM EACH OTHER WHICH IS DIFFERENT FROM SAID GIVEN DISTANCE, SAID RESILIENT CONTACTS OF SAID CHARGING DEVICE AND SAID INNER ENDS OF SAID PRONGS OF SAID FIRST AND SECOND CONTACT MEANS HAVING COMPLEMENTARY PORTIONS ADAPTED TO RESILIENTLY ENGAGE EACH OTHER FOR RESILIENTLY LOCKING THE INSERTED CONTACT MEANS IN PLACE ON SAID BOTTOM WALL OF SAID HOUSING, WHEREBY, DEPENDING ON THE CONTACT MEANS INSERTED IN SAID BOTTOM WALL, SAID RAZOR MAY BE INSERTED INTO SOCKETS HAVING FEMALE CONTACT ELEMENTS OF DIFFERENT SPACING FOR CHARGING THE ACCUMULATOR IN THE HOUSING.