US 7,490,587 B2
Portable handheld work apparatus
Heiko Rosskamp, Adelberg (Germany); Georg Maier, Kernen (Germany); Volker Reber, Michelbach (Germany); Alexander Erkert, Korb (Germany); Daniel Herbst, Karlsruhe (Germany); Marcus Saak, Gerolsheim (Germany); and Dirk Schweinberger, Karlsruhe (Germany)
Assigned to Andreas Stihl AG & Co. KG, Waiblingen (Germany)
Filed on Oct. 26, 2007, as Appl. No. 11/976,637.
Claims priority of application No. 10 2006 050 430 (DE), filed on Oct. 26, 2006.
Prior Publication US 2008/0121208 A1, May 29, 2008
Int. Cl. F02D 11/02 (2006.01)
U.S. Cl. 123—319  [123/400; 74/501.6] 25 Claims
OG exemplary drawing
 
1. A portable handheld work apparatus comprising:
a drive motor;
an adjusting element operatively connected to said drive motor for controlling said drive motor;
a movable actuating device displaceable through an actuating displacement (s);
a transmitting unit for transmitting a movement of said actuating device to said adjusting element; and,
said transmitting unit defining a transmitting characteristic which is a nonlinear function of said actuating displacement (s).