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2. Crayford focuser - Wikipedia

   en.wikipedia.org/wiki/Crayford_focuser

   The Crayford is similar in appearance to a Rack and pinion focuser, but has no teeth on either the rack or the pinion. Instead, a round axle is pressed (for example by a spring-loaded or thumbscrew-tightened piece of PTFE plastic ) against a flat on the side of the focuser drawtube, relying only on friction to move the drawtube as the axle is ...

3. Rack and pinion - Wikipedia

   en.wikipedia.org/wiki/Rack_and_pinion

   Animation of a rack and pinion. A rack and pinion is a type of linear actuator that comprises a circular gear (the pinion) engaging a linear gear (the rack). [1] Together, they convert between rotational motion and linear motion: rotating the pinion causes the rack to be driven in a line. Conversely, moving the rack linearly will cause the ...

4. Gear - Wikipedia

   en.wikipedia.org/wiki/Gear

   Torque can be converted to linear force by meshing a rack with a round gear called a pinion: the pinion turns, while the rack moves in a straight line. Such a mechanism is used in the steering of automobiles to convert the rotation of the steering wheel into the left-to-right motion of the tie rod (s) that are attached to the front wheels.

5. Rack (torture) - Wikipedia

   en.wikipedia.org/wiki/Rack_(torture)

   A torture rack in Rothschildschloss castle, Austria. The rack is a torture device consisting of a rectangular, usually wooden frame, slightly raised from the ground, [1] with a roller at one or both ends. The victim's ankles are fastened to one roller and the wrists are chained to the other.

6. How To Build Your Very Own Indoor Firewood Rack - AOL

   www.aol.com/news/build-very-own-indoor-firewood...

   An elegant, original design makes winter's most functional piece of furniture also its most handsome.

7. Cam (mechanism) - Wikipedia

   en.wikipedia.org/wiki/Cam_(mechanism)

   The cam can be seen as a device that converts rotational motion to reciprocating (or sometimes oscillating) motion. [clarification needed] [3] A common example is the camshaft of an automobile, which takes the rotary motion of the engine and converts it into the reciprocating motion necessary to operate the intake and exhaust valves of the cylinders.

8. Slice and Bake These Luscious Lemon Meltaway Cookies - AOL

   www.aol.com/slice-bake-luscious-lemon-meltaway...

   Bake the cookies, rotating the pans halfway through, until they are set and barely golden on the bottom, 11 to 13 minutes. Transfer the cookies to a cooling rack and allow them to cool completely.

9. William Lyman (inventor) - Wikipedia

   en.wikipedia.org/wiki/William_Lyman_(inventor)

   The can was to be pierced in its center with the sharp metal rod of the opener. Then the length of the lever had to be adjusted to fit the can size, and the lever fixed with the wingnut. The top of the can was cut by pressing the cutting wheel into the can near the edge and rotating it along the can's rim. [5]