File:Dzus fastener, from US Patent 1955740.png
Original file (491 × 737 pixels, file size: 111 KB, MIME type: image/png)
Summary
[edit]Description |
This is a Dzus fastener, a quick-release quarter-turn fastener that is secure during vibration, used in aircraft and race-cars. |
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Source | |
Date |
June, 21, 1933; From US Patent 1955740, filed that date. |
Author |
William Dzus |
Permission (Reusing this file) |
See below.
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- Other information
This is an early form of the fastener. Later versions use a spring attached to the female hole, to save the expense of the two rivets.
Licensing
[edit]In general, the contents of United States patents are in the public domain in the US.[1] In specific cases, patent applicants and holders may claim copyright in portions of those documents. In those specific cases, applicants are required to identify the portions that are protected under copyright, and are additionally required to state the following within the body of the application and patent: [2][3][4](archived) The original patent should be checked for the presence of such language before an assumption is made that the contents are in the public domain. This template can be replaced by {{PD-US-patent-no notice}} in such cases. |
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current | 19:54, 9 September 2015 | 491 × 737 (111 KB) | Ray Van De Walker (talk | contribs) | Uploading a public-domain item using File Upload Wizard |
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