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Star-wheel.


Horology.) A wheel having radial projections, which engage with a pin on the hourwheel, employed in repeating-clocks. Also used in meters and registers.

Star-wheel (from mechanical movements).

The drop and attached pawl are carried by a spring, and are lifted by pins on the disk. The pins escape first from the pawl, which drops into the next space of the starwheel. When the pin escapes from the drop, the spring throws down the drop, whose pin strikes the pawl; this acts against the side of a tooth, and gives the star-wheel a partial revolution.

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