Chain saw or cutoff machine

A chain saw or cutoff machine comprising:

• a tool defining a tool plane;
• an operator-controlled handle;
• the chain saw or cutoff machine defining a longitudinal direction running in a direction from said operator-controlled handle to said tool;
• an outer housing defining a housing opening for inducting cooling air into said outer housing;
• an electric motor disposed in said outer housing and configured to drive said tool;
• an air filter disposed on or in said housing opening;
• wherein the chain saw or the cutoff machine in a resting position is configured to be placed on a horizontal plane;
• said outer housing having a base which in said resting position faces the horizontal plane;
• said outer housing having a housing cover which lies opposite said base;
• said outer housing having a lateral surface which connects said housing cover and said base to one another and along the longitudinal direction delimits the chain saw or the cutoff machine in a direction perpendicular to said tool plane;
• said air filter being disposed on said lateral surface of said outer housing;
• said outer housing, in a lateral view perpendicularly onto said tool plane, having a housing outer contour which in an imaginary projection onto said tool plane in a direction perpendicular to said tool plane delimits an imaginary housing surface;
• said air filter in an imaginary projection onto said tool plane in the direction perpendicular to said tool plane having a filter outer contour which delimits an imaginary filter surface;
• and,
• said imaginary filter surface being at least 5% of said imaginary housing surface.