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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24,280
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Jun. 07, 1859
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Burring Machine
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Francis A. Calvert |
Lowell, Middlesex County, MA |
Abstract:
Be it known that we have invented certain improvements ii machines for ginning cotton, burring wool and cleaning other fibrous materials from foreign matter.
Claim:
I claim for this improved construction of cylinder are a reduced cost of construction increased capability of the machine less liability to breakage or derangement and making its repair practicable for any ordinary mechanic. What we claim as our invention and desire to secure by Letters Patent as an improvement in machines for burring wool and ginning cotton is a cylinder, having spaces between the teeth for the accommodation of the seed as set forth. |
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Burring Machine
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Charles G. Sargent |
Lowell, Middlesex County, MA |
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