File:TCVJ.jpg

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DescriptionTCVJ.jpg	English: Drawings of a Thompson Constant Velocity Joint with colors added to help identify the parts; the second drawing removes several parts to show the central innovation which is a spherical pantograph that maintains both cardan joints in the homokinetic plane. Importantly, all of the rotating axes of: input shaft 27, output shaft 28, output pivot shafts X, control yoke pivot shafts Y, output shaft control pin A, input shaft control pin B, and control yoke pivot pin C all pass through the coupling center point 29. Images derived from US Patent 7,442,126.
Date	Filed March 26, 2002 (13 April 2009 (original upload date))
Source	US Patent 7442126 Transferred from en.wikipedia to Commons by Logan using CommonsHelper. (Original text: US Patent n° 7,442,126)
Author	Drawings from the inventor Glenn Alexander Thompson's patent. derivative work: MarkWarren (talk)

Licensing

The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)

The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.

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Original upload log

The original description page was here. All following user names refer to en.wikipedia.

2011-01-02 02:33 Catsquisher 1200×951× (292337 bytes) <!== {{int:filedesc}} == {{Information |Description={{en|1=Patent Drawing for Thompson constant velocity coupling, U.S. Patent 7,144,326 (2006). Drawing has been modified from the original: edited, cropped and annotated.}} |Source=[http://patft.uspto.gov

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Dimensions	User	Comment
current	05:25, 10 January 2012	1,200 × 951 (318 KB)	MarkWarren	Remove glitch.
	05:11, 10 January 2012	1,200 × 951 (319 KB)	MarkWarren	Add the other rest of the scissors linkage.
	23:21, 9 January 2012	1,200 × 951 (319 KB)	MarkWarren	Improved layering with Paint.NET. More axes are visible.
	22:53, 27 September 2011	1,200 × 951 (169 KB)	MarkWarren	Add input shaft from figure 3 in US patent 7144326 to better show the operation of the scissors link.
	00:22, 24 September 2011	1,200 × 951 (160 KB)	MarkWarren	Reverted to version as of 00:21, 24 September 2011. Oops; right upload, bad browser cache.
	00:21, 24 September 2011	1,200 × 951 (285 KB)	MarkWarren	Reverted to version as of 19:08, 7 May 2011. Wrong upload.
	00:21, 24 September 2011	1,200 × 951 (160 KB)	MarkWarren	Added color to assist in identifying individual parts and better illustrate the operation of the Thompson coupling.
	19:08, 7 May 2011	1,200 × 951 (285 KB)	File Upload Bot (Magnus Manske)	{{BotMoveToCommons\|en.wikipedia\|year={{subst:CURRENTYEAR}}\|month={{subst:CURRENTMONTHNAME}}\|day={{subst:CURRENTDAY}}}} {{Information \|Description={{en\|→{{int:filedesc}}: }} \|Source=Transferred from [http://en.wikipedia.org en.wikipedia]; transferred t