If you find a patent number or patent date by this manufacturer that is not on this
list, please contact the Site Historian.
Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
a special TIFF viewer must be installed with your browser in order properly work.
More information on how to configure your computer to view these patents can be
found at TIFF image Viewers
for Patent Images.
DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
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432,035
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Jul. 18, 1935
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Improvements in or relating to shaft bearings
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Charles William Major |
, England |
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432,521
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Jul. 29, 1935
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Improvements in or relating to the lubrication of bearings
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Charles William Major |
, England |
The invention relates to sleeve bearings with integral thrust-bearing surface. If such a bearing is not adequately lubricated, the resulting wear will increase axial play which will allow knocking noises to occur, which are especially objectionable in applications where quiet operation is required. The innovation is to use an oil passage with wick to convey oil to the thrus bearing. The small size of the bearing only permits a small hole, which normally is ineffective in conveying oil, but the wick pulls the oil through the small passage. |