Patent ID: 7500700

Claim:
A motor vehicle door latch comprising: a base module; said base module comprising a catch ( 1 ), a pawl ( 2 ), an operating lever ( 3 ), a transfer member ( 4 ), a release lever ( 5 ), and a base housing ( 6 ); said catch ( 1 ), said pawl ( 2 ), said operating lever ( 3 ), said transfer member ( 4 ), and said release lever ( 5 ) being disposed within said base housing ( 6 ); a complementary module connectable with said base module; said complementary module comprising a complementary housing ( 7 ) and a drive for opening said catch; said drive comprising a sensor ( 22 ), an electric motor ( 8 ), blocking means ( 20 ), and at least one intermeshing spur wheel ( 9 , 10 ) having at least one release cam ( 11 , 11 ′), and said drive being disposed within said complementary housing; wherein said operating lever ( 3 ) is rotatably connected to said catch ( 1 ); said transfer member ( 4 ) is connected to said operating lever ( 3 ); said release lever ( 5 ) is coaxial with and engageable with said pawl ( 2 ); said transfer member ( 4 ) and said release lever ( 5 ) are each engagable with said drive when said base module and said complementary module are connected to one another; and said operating lever ( 3 ) is movable between a blocking position and a release position; and when said operating lever ( 3 ) is moved into said release position, said operating lever ( 3 ) acts upon said transfer member ( 4 ), whereby said transfer member ( 4 ) engages said blocking means ( 20 ), said blocking means ( 20 ) engages said sensor ( 22 ), said sensor ( 22 ) signals said motor ( 8 ) to turn said spur wheel, said motor ( 8 ) turns said spur wheel ( 10 ), said spur wheel ( 10 ) acts via said release cam upon said release lever ( 5 ), and said release lever ( 5 ) rotates said pawl ( 2 ) whereby opening said catch ( 1 ).