Heavy-duty industrial-type battery powered electric drill

Claim 1

A HEAVY-DUTY INDUSTRIAL-TYPE CORDLESS ELECTRIC DRILL, COMPRISING IN COMBINATIION: (A) A FIELD CASE; (B) A GEAR CASE COVER SECURED FORWARDLY OF SAID FIELD CASE; (C) A GEAR CASE SECURED FORWARDLY OF SAID GEAR CASE COVER, WHEREBY SAID GEAR CCASE, SAID GEAR CASE COVER, AND SAID FIELD CASE HAVE A LONGITUDINAL AXIS; (D) AN OUTPUT SPINDLE JOURNALED IN SAID GEAR CASE AND PROTRUDING FORWARDLY THEREFROM; (E) A DIRECT CURRENT ELECTRIC MOTOR IN SAID FIELD CASE; PROTRUDING THROUGH SAID GEAR CASE COVER INTO SAID PROTRUDING THROUGH SAID GEAR CASE COVER INTO SAID GEAR CASE; (G) GEARING MEANS IN SAID GEAR CASE TO COUPLE SAID ARMMATURE SHAFT TO SAID OUTPUT SPINDLE; (H) A PAIR OF SUBSTANTIALLY-IDENTICAL HOLLOW ELONGATED HANDLES SECURED TO SAID FIELD CASE, ONE ON EACH SIDE THEREOF; (I) SAID HANDLES BEING MUTUALLY-ALIGNED WITH EACH OTHER AND BEING TRANSVERSE WITH RESPECT TO THE LONGITUDINAL AXIS; (J) A REMOVABLE BATTERY IN EACH OF SAID HANDELS; (K) EACH OF SAID BATTERIES HAVING A PAIR OF TERMINALS; (L) A SWITCH HAVING AN "ON" POSITION AND AN "OFF" POSITION AND INCLUDING A MANUALLY-MANIUPLATABLE TRIGGER HAVING A PORTION DISPOSED FORWARDLY OF ONE OF SAID HANDLES AND ADAPTED FOR MOVEMENT IN A PLANE PARALLEL TO THE LONGITUDINAL AXIS OF THE TOOL; (M) MEANS INCLUDING A LOCKING MEMBER JOURNALED FOR SLIDING MOVEMENT TRANSVERSELY TO THE PLANE OF MOVEMENT OF SAID TRIGGER TO LOCK SAID TRIGGER, SELECTIVELY, IN EACH OF SAID SWITCH POSITIONS; AND (N) ELECTRICAL MEANS PLACING SAID BATTERIES IN SERIES WITH EACH OTHER AND WITH SAID MOTOR AND SAID SWITCH.