Miniature electric motors

Claim 1

A MINIATURE ELECTRIC MOTOR COMPRISING A HOLLOW CASING CLOSED AT ONE END AND OPEN AT THE OTHER END THEREOF, PERMANENT MAGNETS DISPOSED IN CONFRONTING OPPOSITION ON THE INNER SURFACE OF SAID CASING, SAID CASING INCLUDING SPACED ABUTMENTS AGAINST WHICH ONE END OF EACH MAGNET RESPECTIVELY IS DISPOSED, RESILIENT MEANS BIASING THE OPPOSITE ENDS OF SAID MAGNETS TOWARD SAID RESPECTIVE ABUTMENTS, SAID CASING FURTHER INCLUDING AN ABUTMENT ON EACH SIDE AGAINST WHICH A SIDE EDGE OF SAID MAGNETS ARE RESPECTIVELY LOCATED, A REMOVABLE CAP TO CLOSE THE OPEN END OF SAID CASING, A ROTARY SHAFT MOUNTED WITHIN SAID CASING, ONE END OF THE SHAFT BEING JOURNALLED IN THE CLOSED END OF SAID CASING AND THE OTHER END OF SAID SHAFT BEING JOURNALLED IN SAID CAP, A ROTOR PROVIDED ON SAID SHAFT IN SPACED MAGNETIC RELATION WITH SAID PERMANENT MAGNETS, A COMMUTATOR PROVIDED ON SAID SHAFT, BRUSH MEANS FOR SAID COMMUTATOR ACCESSIBLE EXTERNALLY OF SAID CASING, SAID CASING HAVING AN APERTURE DEFINED THEREIN, AND A SUPPORT MEMBER MOUNTED IN SAID CASING AND OVERLYING SAID APERTURE, SAID BRUSH MEANS BEING MOUNTED ON SAID SUPPORT AND EXTENDING INTO THE INTERIOR OF SAID CASING THE ENGAGE SAID COMMUTATOR.