| 摘要 |
Mechanism for orbital shaking motion for mixing a fluidic sample 38 in sample holder 14, 40, comprises a stationary or lockable first cogwheel 2 with first hole 30 and a plurality of first cogs 80 on an outer circumference, a movably second cogwheel 4 with second hole 32 and a plurality of second cogs 82 on an outer circumference, a drive shaft 3 with concentric first section 34 and eccentric second section 36, wherein the first section 34 passes through first hole and second section passes through second hole, and a coupling body 5 with a plurality of third cogs 84 on an inner circumference, wherein the coupling body is mounted with the first and second cogwheels such that the third cogs engage with part of the first cogs and second cogs wherein with the first cog locked, rotation of the drive shaft generates orbital shaking or oscillation motion of the second cogwheel and sample holder. The mechanism may comprise hollow shaft 11, clutches 12, 13 and first cog locking mechanism 19. Rotation of hollow shaft in direction A actives clutch 12 resulting in orbital shaking motion. Unlocking of first cog and rotation of hollow shaft in direction B actives clutch 13 resulting in rotation motion for centrifuging samples. |
