Husqvarna Ab

Håkan Fransson

Joakim Persson

Stefan Kullberg

Anders Hansson

The invention relates to a starting device () for an internal combustion engine, the starting device () comprising a hub () configured to drivingly engage an internal combustion engine when the hub () is rotated in a first direction (A); a pulley () interconnected with the hub () by a spring (); a shaft () on which the pulley () and hub () are mounted independently rotatable; a flexible member () attached to and coiled about the pulley (); and where the spring () coupled at a first end () to the hub () and at a second end () to the pulley (). The pulley () comprises a recess () arranged to receive the flexible member (), which recess has the shape of a conical helix having a first end (A) with a first diameter and a second end (B) with a second diameter, larger than the first diameter; and is attached to the pulley () at the second end (B).

Growing community of inventors

Jönköping, Sweden

Håkan Fransson