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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1,200,047
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Oct. 03, 1916
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Work-Holder for Screw-Threading Machines
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Alfred M. Thompson |
Newark, Essex County, NJ |
Claim:
A work-holder for machines of the class described including, in combination a hollow spindle adapted to entirely inclose the work, a collet in said spindle, means for clamping the collet on the work, means for feeding the spindle longitudinally and means for limiting the longitudinal movement of the spindle. |
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1,200,046
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Oct. 03, 1916
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Screw-Thread-Milling Machine
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Alfred M. Thompson |
Newark, Essex County, NJ |
Claim:
A thread milling machine including in combination a work holder, a rotating cutter, means for bringing the cutter into engagement with the work, means for rotating the work holder continuously in one direction, means engaging the work holder for feeding it forward as it is rotated and automatic means for simultaneously disengaging the cutter from the work and disengaging the feeding means from the work holder when the thread has been cut to a predetermined point while permitting a continued rotation of the work holder and cutter. |
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1,279,041
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Sep. 17, 1918
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Turning and Thread-Milling Machine
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Alfred M. Thomson |
Newark, Essex County, NJ |
Claim:
A thread milling machine for milling threaded rods of great length including in combination radially and angularly adjustable rotary thread milling cutters a longitudinally-movable feeding means_ and a stationary feed nut adapted to engage a portion of the thread. |