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The König XG-12 Pro 235 snow chains earn the top ranking in our tests for their exclusive chain-pattern design that uses welded double traction plates to ensure maximum grip.
In 2010, Blake Bevin, a self-described "science geek", created a prototype of self-lacing shoes, inspired by Marty's Nike MAG; once the user steps in, a sensor records the pressure of the foot on the sole and activates two servo motors, which apply tension to the laces, thus tightening the shoe.
Traction cables (cable chains, snow cables) attach like chains but are made from cable rather than chain. Chain patterns include the ladder, diagonal, or pattern types. Ladder-type chains have cross chains perpendicular to the road and look like a ladder when carefully laid on the ground. With diagonal chains, the cross chains are diagonal to ...
One such method, patented in 2003 as "Double helix shoe lacing process", runs in a double helix pattern and results in less friction and faster and easier tightening and loosening. [13] Another method, called "Rinlers Instant Lace Up", use additional accessories for instant tightening and loosening. [14] A pair of Etnies shoes with checkerboard ...
A number of Hornsby-built steam engines and tractors are in preservation, with "The Traction Engine Register 2008" listing 12 portable engines and 3 traction engines in the UK. [11] One example – no. 1851 built in August 1871 – is in the Science Museum's store at Wroughton, with another (example no. 7297) at the Museum of Lincolnshire Life ...
As with standard roller chains, self-lubricating roller chains consist of five basic parts: inner plates, outer plates, pins, bushes, and rollers. However, the bushes for self-lubricating chains are sintered metal, produced using powder metallurgy. Self-lubricating chains can be manufactured cheaply, quickly, and to precision tolerances. [8]
The 4WD modes are not for use on high-traction surfaces such as dry roads. The NP208 was used through at least 1987. More commonly, Command-Trac is used to refer to the NP/NV-231 or NP-207 transfer cases introduced along with the Jeep Cherokee (XJ) in 1984. The system offers a chain-driven, aluminum, "shift-on-the-fly" transfer case.
Self-centering three-jaw chuck and key with one jaw removed and inverted showing the teeth that engage in the scroll plate. The scroll plate is rotated within the chuck body by the key, the scroll engages the teeth on the underside of the jaws which moves the three jaws in unison, to tighten or release the workpiece.
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