The present application is directed to the design illustrated in the drawings. The broken lines represent environmental structure of the brush assembly and form no part of the claimed design.
The present application is directed to the design illustrated in the drawings. The broken lines represent environmental structure of the brush assembly and form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
1277497 | Starker et al. | Sep 1918 | A |
1460152 | Dean | Jun 1923 | A |
3017529 | Helwig | Jan 1962 | A |
4983873 | Tanaka | Jan 1991 | A |
20030151328 | Cutsforth | Aug 2003 | A1 |
20080100170 | Rehm | May 2008 | A1 |
20150303635 | Wei | Oct 2015 | A1 |
Entry |
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Helwig Carbon shaft-grounding posted on Windpower Engineering Development, posting date Nov. 12, 2013 © 2016 WTWH Media LLC, [online], [site visited Jan. 19, 2017]. Available from Internet, <http://www.windpowerengineering.com/design/mechanical/bearings/helwig-carbon-shaft-grounding-assembly-protects-premature-bearing-failure/>. |
BPK-AM posted on Helwig Carbon.com, posting date unknown, © 2016 Helwig Carbon Products Inc, [online], [site visited Jan. 19, 2017]. Available from Internet, <https://www.helwigcarbon.com/catalog/grounding-kit/BPK-AM>. |
Brochure entitled “Helwig Carbon—The Bearing Protector,” available at www.helwigcarbon.com, Sep. 2013 (2 pages). |