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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341,438
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May. 11, 1886
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Mechanical movement
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James E. Adams |
Glassborough, NJ |
"The invention is embodied in a device consisting, essentially, in a main driving-wheel provided with a series of teeth, projections, or indentations, and a pawl or pawls pivoted upon a movable arm or arms mounted contiguous to the wheel, the said pawl or pawls being so arranged as to be moved automatically into contact with the wheel to give it an impetus, and away from it to allow the pawl or pawls to be returned to a normal position, as the power is applied or relieved." |
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Mechanical movement
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John W. Adams |
Glassborough, NJ |
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