A ratchet mechanism (200; 300) configured for an injection device, the ratchet mechanism comprising: - a housing, - a circular shaped ratchet member (220; 320), in particular rotationally supported relative to the housing, the ratchet member (220; 320) comprising: - a ratchet surface (221; 321), - a number of ratchet features (222, 224; 322, 324) on the ratchet surface (221; 321) and - a number of intermediate sections (223, 225; 323, 325) on the ratchet surface (221; 321) extending between the ratchet features (222, 224; 322, 324), - a circular shaped counter ratchet member (240; 340), coaxially arranged to the ratchet member (220; 320) and rotatable relative to the ratchet member (220; 320) at least along a first sense of rotation, in particular rotationally supported relative to the housing, the counter ratchet member (240; 340) comprising: - a counter ratchet surface (241; 341), - a number of counter ratchet features (242, 244; 342, 344) on the counter ratchet surface (241; 341) and - a number of intermediate sections (243, 245; 343, 345) on the counter ratchet surface (241; 341) extending between the counter ratchet features (242, 244; 342, 344), wherein rotating of the ratchet member (220; 320) relative to the counter ratchet member (240; 340) along the first sense of rotation requires - application of at least a first torque between the ratchet member (220; 320) and the counter ratchet member (240; 340) when at least one of the ratchet features (222, 224; 322, 324) is in engagement with at least one of the counter ratchet features (242, 244; 342, 344), and - application of at least a second torque smaller than the first torque between the ratchet member (220, 320) and the counter ratchet member (240; 340) when each of the ratchet features (222, 224; 322, 324) is out of engagement from any of the counter ratchet features (242, 244; 342, 344) and i) when at least one ratchet feature (222, 224; 322, 324) is in engagement with an intermediate section (243, 245; 343, 345) of the counter ratchet surface (241; 341) and/or ii) when at least one counter ratchet feature (242, 244; 342, 344) is in engagement with an intermediate section (223, 225; 323, 325) of the ratchet surface (241; 341). - a housing, - a circular shaped ratchet member (220; 320), in particular rotationally supported relative to the housing, the ratchet member (220; 320) comprising: - a ratchet surface (221; 321), - a number of ratchet features (222, 224; 322, 324) on the ratchet surface (221; 321) and - a number of intermediate sections (223, 225; 323, 325) on the ratchet surface (221; 321) extending between the ratchet features (222, 224; 322, 324), - a ratchet surface (221; 321), - a number of ratchet features (222, 224; 322, 324) on the ratchet surface (221; 321) and - a number of intermediate sections (223, 225; 323, 325) on the ratchet surface (221; 321) extending between the ratchet features (222, 224; 322, 324), - a circular shaped counter ratchet member (240; 340), coaxially arranged to the ratchet member (220; 320) and rotatable relative to the ratchet member (220; 320) at least along a first sense of rotation, in particular rotationally supported relative to the housing, the counter ratchet member (240; 340) comprising: - a counter ratchet surface (241; 341), - a number of counter ratchet features (242, 244; 342, 344) on the counter ratchet surface (241; 341) and - a number of intermediate sections (243, 245; 343, 345) on the counter ratchet surface (241; 341) extending between the counter ratchet features (242, 244; 342, 344), wherein rotating of the ratchet member (220; 320) relative to the counter ratchet member (240; 340) along the first sense of rotation requires - a counter ratchet surface (241; 341), - a number of counter ratchet features (242, 244; 342, 344) on the counter ratchet surface (241; 341) and - a number of intermediate sections (243, 245; 343, 345) on the counter ratchet surface (241; 341) extending between the counter ratchet features (242, 244; 342, 344), - application of at least a first torque between the ratchet member (220; 320) and the counter ratchet member (240; 340) when at least one of the ratchet features (222, 224; 322, 324) is in engagement with at least one of the counter ratchet features (242, 244; 342, 344), and - application of at least a second torque smaller than the first torque between the ratchet member (220, 320) and the counter ratchet member (240; 340) when each of the ratchet features (222, 224; 322, 324) is out of engagement from any of the counter ratchet features (242, 244; 342, 344) and i) when at least one ratchet feature (222, 224; 322, 324) is in engagement with an intermediate section (243, 245; 343, 345) of the counter ratchet surface (241; 341) and/or ii) when at least one counter ratchet feature (242, 244; 342, 344) is in engagement with an intermediate section (223, 225; 323, 325) of the ratchet surface (241; 341).