File:Screw thread handedness.png
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Screw_thread_handedness.png (513 × 517 pixels, file size: 15 KB, MIME type: image/png)
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Summary
[edit]DescriptionScrew thread handedness.png |
English: Drawing showing the difference between right-handed and left-handed screw threads. The handedness of screw threads is determined by the right hand grip rule; in a right-handed screw, if the fingers of the right hand are wrapped around the screw in the direction the screw is turning, the thumb will point in the direction the shaft moves. The type of screw thread shown is called a square thread. Alterations to image: cropped screw thread images out of source drawing, rotated them 90° and added captions |
Date | |
Source | Retrieved February 17, 2014 from Eugene Wycliffe Kerr (1908) Power and Power Transmission, 2nd Ed., John Wiley and Sons, New York, p. 79, fig. 61 on Google Books |
Author | Eugene Wycliffe Kerr |
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[edit]Public domainPublic domainfalsefalse |
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:30, 17 February 2014 | 513 × 517 (15 KB) | Chetvorno (talk | contribs) | User created page with UploadWizard |
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Horizontal resolution | 28.35 dpc |
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Vertical resolution | 28.35 dpc |
File change date and time | 17:07, 17 February 2014 |
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