A keyboard for a typewriter or the like including a series of elongate keys disposed in a row and normally with respect to the front edge of the typewriter or at an acute angle with respect thereto. Each of the keys is depressable when a finger pressure is applied on the center, home tablet surface of...http://www.google.de/patents/US4449839?utm_source=gb-gplus-sharePatent US4449839 - Keyboard with elongate keys
