Vehicle operation recorder

Vehicle operation recorder for motor vehicles comprising:

• a casing,
• measuring instruments, including speedometer, mileage counters and clock, arranged in said casing,
• recording devices and display devices included in said measuring instruments,
• marker pens connected to said recording devices,
• at least one main instrument dial allocated to said display devices,
• a diagram chart carrier rotationally driven by said clock for accommodation of at least one diagram chart on which the measured values indicated by said measuring instruments are recorded by said marker pens,
• means acting upon said marker pens for lifting said marker pens off said diagram chart to change said diagram chart, and wherein:
• said recording devices are permanently undetachably connected to said display devices,
• said diagram chart carrier (29) is arranged in a separate compartment of said casing, said compartment being laterally offset in relation to said main instrument dial,
• said marker pens are arranged above said diagram chart in likewise laterally offset relation to said main instrument dial and are connected to said recording devices by a rigid bridge member,
• said diagram chart carrier is movable relative to said recording and display devices of said measuring instruments to change said diagram sheet, said recording and display devices being stationarily arranged in said casing, and
• said clock is also arranged in laterally offset relation to said main instrument dial in fixed relation in said casing, and
• further comprising gear assembly means for permanently connecting said clock to said movable diagram chart carrier.