Switch assembly for a combined hand tool device

A switch assembly for operating mode selection of an at least partially rotary and/or percussion hand tool device (2) including a housing (14) and comprising therein an axially extending first switch sleeve (11) for a percussion drive (6) and a second switch sleeve (12) for a percussion drive (6) and a second switch sleeve (12) for a rotary device in meshed engagement with a tool spindle (4) via an axially exending countershaft (3), and an axially extending switch accessory (10) interconnecting said first and second switch sleeves (11, 12) rotationally free of each other, said countershaft (3) and an axially extending percussion drive shaft (5) of said percussion drive (6) are arranged in laterally spaced and parallel relationship and directly adjacent one another in a common axially extending zone (B) and in a rotation free manner guide a pair of toothed driving gears (7) in directly meshed engagement and couplable by said first and second switch sleeves (11, 12), said switch accessory (10) interconnecting said first and second switch sleeves (11, 12) comprises form fitting coupling members (15, 15′, 15″) located on and extending radially outwardly of the axis of said first and second switch sleeve (11, 12), and said switch accessory (10) has axially spaced ends each containing a switch dog (16, 16′) extendoing radially outwardly for engagement with said countershaft (3) and drive shaft (5), and said switch accessory (10) comprises an axially extending metal plate with said switch dogs (16, 16′) extending radially outwardlly from opposite ends thereof transversely of the axial direction.