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2. Shaft-driven bicycle - Wikipedia

   en.wikipedia.org/wiki/Shaft-driven_bicycle

   Dynamic Runabout 7 shaft-driven bicycle Drive-shaft housing. A shaft-driven bicycle is a bicycle that uses a drive shaft instead of a chain to transmit power from the pedals to the wheel. Shaft drives were introduced in the 1880s, but were mostly supplanted by chain-driven bicycles due to the gear ranges possible with sprockets and derailleurs ...

3. Power take-off - Wikipedia

   en.wikipedia.org/wiki/Power_take-off

   ISO 500-2 Narrow-track tractors, dimensions for master shield and clearance zone; ISO 500-3 Main PTO dimensions and spline dimensions, location of PTO. The original type (designated as Type 1) calls for operation at 540 revolutions per minute (rpm). A shaft that rotates at 540 rpm has six splines on it, and a diameter of 1 + 3 ⁄ 8 inches (35 ...

4. List of ISO standards 3000–4999 - Wikipedia

   en.wikipedia.org/wiki/List_of_ISO_standards_3000...

   ISO 3002-2:1982 Part 2: Geometry of the active part of cutting tools – General conversion formulae to relate tool and working angles; ISO 3002-3:1984 Part 3: Geometric and kinematic quantities in cutting; ISO 3002-4:1984 Part 4: Forces, energy, power; ISO 3002-5:1989 Part 5: Basic terminology for grinding processes using grinding wheels

5. Drive shaft - Wikipedia

   en.wikipedia.org/wiki/Drive_shaft

   A drive shaft system weighs more than a chain system, usually 0.5–1 kg (1–2 lb) heavier. Many of the advantages claimed by drive shaft's proponents can be achieved on a chain-driven bicycle, such as covering the chain and sprockets. Use of lightweight derailleur gears with a high number of ratios is impossible, although hub gears can be used.

6. Limits and fits - Wikipedia

   en.wikipedia.org/wiki/Limits_and_fits

   This is seen most commonly in regulating shaft sizes with hole sizes. [1] Limits and Fits are standardized by the International Organization for Standardization (ISO) [2] and the American National Standards Institute (ANSI). [3] Tables are used to quickly calculate required tolerances for bolt holes, shafts, mating parts, and many similar ...

7. Schlumpf Drive - Wikipedia

   en.wikipedia.org/wiki/Schlumpf_Drive

   Schlumpf Speed Drive. A Schlumpf Drive is a two-speed planetary gear assembly for use on bicycles and unicycles. It is distinct from other bicycle planetary gear assemblies in that it is located behind the chainring rather than in the rear hub. A push-button on each side of the axle allows the rider to switch between high and low ratios.