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  2. Anchor escapement - Wikipedia

    en.wikipedia.org/wiki/Anchor_escapement

    The backward motion of the escape wheel during part of the cycle, called recoil, is one of the disadvantages of the anchor escapement.It results in a temporary reversal of the entire wheel train back to the driving weight with each tick of the clock, causing extra wear in the wheel train, excessive wear to the gear teeth, and inaccuracy.

  3. Escapement - Wikipedia

    en.wikipedia.org/wiki/Escapement

    Operation is mechanically similar to the verge escapement, and it has two of the verge's disadvantages: (1) The pendulum is constantly being pushed by an escape wheel tooth throughout its cycle, and is never allowed to swing freely, which disturbs its isochronism, and (2) it is a recoil escapement; the anchor pushes the escape wheel backward ...

  4. Verge escapement - Wikipedia

    en.wikipedia.org/wiki/Verge_escapement

    The verge escapement consists of a wheel shaped like a crown, called the escape wheel, with sawtooth-shaped teeth protruding axially toward the front, and with its axis oriented horizontally. [13] [36] In front of it is a vertical rod, the verge, with two metal plates, the pallets, that engage the teeth of the escape wheel at opposite sides ...

  5. Wheel train - Wikipedia

    en.wikipedia.org/wiki/Wheel_train

    The fourth wheel also turns the escape wheel pinion. Many clocks don't need this wheel because of their slower-moving escapements; in these the third wheel drives the escape wheel directly. Escape wheel which is released one tooth at a time by the escapement, with each swing of the pendulum or balance. The escape wheel keeps the pendulum or ...

  6. Pin-pallet escapement - Wikipedia

    en.wikipedia.org/wiki/Pin-pallet_escapement

    The pins and part of escape wheel are visible at bottom center. The GIF is slowed down to make the mechanism movement easier to see. A Roskopf , pin-lever , or pin-pallet escapement is an inexpensive, less accurate version of the lever escapement , used in mechanical alarm clocks , kitchen timers , mantel clocks and, until the 1970s, cheap ...

  7. Riefler escapement - Wikipedia

    en.wikipedia.org/wiki/Riefler_escapement

    The Riefler escape wheel and pallets are of a special design. There are actually two escape wheels mounted on the same shaft and two surfaces on each of the two pallet pins. The front locking wheel has forward pointing teeth rather like a dead-beat escapement, and catches on the flat surface of the pallet to lock the wheel.

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  9. Harbor Freight Tools - Wikipedia

    en.wikipedia.org/wiki/Harbor_Freight_Tools

    Harbor Freight Tools won a declassification of the class action; that is, the court found that all the individual situations were not similar enough to be judged as a single class, and that their claims would require an individual-by-individual inquiry, so the case could not be handled on a class basis.

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