Cordless electric vibrator for use on the human body

Claim 1

IN A CORDLESS ELECTRIC VIBRATOR FOR USE ON THE HUMAN BODY HAVING AN ELONGATED SUBSTANTIALLY CYLINDRICAL BATTERY HOUSING, AT LEAST ONE DRY CELL BATTERY MOUNTED WITHIN SAID HOUSING AND VIBRATORY MEANS OPERATIVELY CONNECTED TO SAID BATTERY, AN END CAP REMOVABLY AND ROTATABLY MOUNTED ON ONE END OF SAID HOUSING, SAID END CAP ACTING TO HOLD SAID BATTERY WITHIN SAID HOUSING AND ALSO ACTING AS A SWITCH TO CONTROL THE OPERATION OF SAID VIBRATOR, SAID CAP HAVING A BASE AND A CIRCULAR SIDE WALL, AT LEAST ONE INWARDLY DIRECTED PROJECTION CARRIED BY THE INSIDE OF SAID SIDE WALL, AT LEAST ONE L-SHAPED SLOT HAVING AN OPEN VERTICAL PORTION CONNECTED TO A CLOSED HORIZONTAL PORTION, SAID SLOT EXTENDING ALONG THE OUTER PERIPHERY OF THE END OF SAID HOUSING ON WHICH SAID END CAP IS MOUNTED, SAID PROJECTION BEING SLIDABLY MOVABLE INTO THE OPEN VERTICAL PORTION OF SAID SLOT AND ALONG THE HORIZONTAL PORTION THEREOF TO REMOVABLY MOUNT SAID END CAP ON SAID HOUSING, AN ELONGATED CONTACT STRIP EXTENDING ALONG THE INSIDE OF SAID HOUSING, SAID CONTACT STRIP HAVING ONE END THEREOF DISPOSED ADJACENT TO THE END OF SAID HOUSING ON WHICH SAID END CAP IS MOUNTED, A CONTACT ARM FIXEDLY SECURED ON THE INSIDE OF THE BASE OF SAID END CAP AND ROTATABLE THEREWITH, SAID CONTACT ARM HAVING AT LEAST ONE FREE END DISPOSED ADJACENT TO THE CIRCULAR SIDE WALL OF SAID CAP, SAID END OF SAID CONTACT STRIP AND SAID CONTACT ARM BEING COMPLETELY SEPARATE AND INDEPENDENT FROM SAID PROJECTION AND L-SHAPED SLOT, SAID CONTACT ARM BEING ELECTRICALLY CONNECTED TO ONE OF THE CONTACTS OF SAID BATTERY, SAID END CAP BEING ROTATABLE WITH RESPECT TO SAID HOUSING TO MOVE SAID PROJECTION RECIPROCALLY ALONG THE HORIZONTAL PORTION OF SAID SLOT AND TO SIMULTANEOUSLY MOVE SAID CONTACT ARM INTO AND OUT OF ELECTRICAL CONTACT WITH SAID END OF SAID CONTACT STRIP, THE POSITIONING OF SAID PROJECTION WITH RESPECT TO THE CLOSED END OF THE HORIZONTAL PORTION OF SAID L-SHAPED SLOT BEING SO RELATED TO AND COORDINATED WITH THE POSITIONING OF SAID CONTACT ARM WITH RESPECT TO THE END OF SAID CONTACT STRIP THAT WHEN SAID PROJECTION ENGAGES THE CLOSED END OF THE HORIZONTAL PORTION OF SAID L-SHAPED SLOT, SAID CONTACT ARM SIMULTANEOUSLY ENGAGES THE END OF SAID CONTACT STRIP, SO THAT SAID END CAP IS IN "ON" POSITION AND CANNOT BE ROTATED PAST SAID "ON" POSITION.