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Reverted to version as of 15:26, 1 October 2008- mechanism was correct before, current version messed up! 15:43, 3 July 2009: 2,000 × 1,600 (108 KB) Rizome: The axis were moved to reflect the internal mechanism of the mouse. The ball was made transparent, to show the axis beyond it. 15:26, 1 October 2008: 2,000 × 1,600 (91 KB) Pbrks: resize
Roller chain and sprocket The sketch of roller chain, Leonardo da Vinci, Codex Atlanticus. Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.
The pouch is usually inserted between the futon mattress and comforter, and hot air is forced through it for about an hour to dry the futon. [1] Futon dryers run on a timer, and when the timer reaches zero, cold air is blown before the unit shuts off. A futon drier uses about 600 watts of electricity, about the same as a hair dryer. [2]
However, these generally have the roller at the point where the cam lobe contacts the rocker, rather than at the point where the rocker contacts the valve stem. Friction may be reduced at the point of contact with the valve stem by a roller tip. A similar arrangement transfers the motion via another roller tip to a second rocker arm.
Roller-type thrust bearings between the spacer rings and bearing ring permit free rotation of the bearing ring while transferring the axial load between the two. The rollers act as the “threads” of the nut assembly, causing axial movement of the rotating screw due to their orbital restraint.
Peristaltic tube pump with two sprung rollers Peristaltic pump in motion. A peristaltic pump, also commonly known as a roller pump, is a type of positive displacement pump used for pumping a variety of fluids. The fluid is contained in a flexible tube fitted inside a circular pump casing.
Roller tappet (shown in red) in an internal combustion engine A tappet or valve lifter is a valve train component which converts rotational motion into linear motion in activating a valve. It is most commonly found in internal combustion engines , where it converts the rotational motion of the camshaft into linear motion of intake and exhaust ...
Some older wooden roller coasters utilize steel wheels throughout the assembly. The benefits of the polyurethane or nylon/polyurethane blend are low rolling resistance, high load endurance, smooth ride, and high durability. [2] Some manufacturers' coasters have a larger gap between the up-stop and/or side friction wheels and the track.