Patent ID: 8375814

Claim:
A drive device comprising: a first fastening device ( 15 ) connectable to one of a stationary base part and to a movable part; a second fastening device ( 24 ) connectable to one of the movable part and to the stationary base part; a spindle drive ( 17 ) comprising a threaded spindle ( 16 ) and a spindle nut ( 19 ) mounted on said threaded spindle ( 16 ) for moving said first and the second fastening devices ( 15 , 24 ) axially relative to each other; and a rotary drive ( 9 ) for rotating said spindle drive ( 17 ) by way of an overload safety device including a nonrotatable connection between two components which can be released when a predetermined torque is exceeded; said overload safety device being formed by a clutch device ( 15 ) comprising an inner part ( 32 ); a damping element ( 33 ); an intermediate part ( 34 ) and an outer part 36 ; said inner part ( 32 ) connected to said rotary drive ( 9 ), said inner part rotating said intermediate part ( 34 ) by way of said damping element ( 33 ) and, by way of said intermediate part ( 34 ), rotating said outer part ( 36 ) connected to said spindle drive ( 17 ).