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Manufacturers Index - Sellew Machine Tool Co.
Patents
This page contains information on patents issued to this manufacturer.

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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.
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Patent Number Date Title Name City Description
893,942 Jul. 21, 1908 Tool-holder Ernest B. Sellew Pawtucket, RI
913,312 Feb. 23, 1909 Boring, Turning, and Facing Machine Ernest Burchard Sellew Pawtucket, RI H. B. Willson & Co. - patent attorneys
My invention relates to improvements in metal working machines, and more particularly to "one for automatically dressing or finishing metal work-blanks. One object of the invention is to provide a machine for automatically and continuously turning, boring and facing, grooving, cutting off or otherwise acting upon a piece of metal to produce a finished article or articles from a rough, blank, the present embodiment of the invention being adapted for automatically making eccentrically-bored piston rings. Another object of the invention is to provide a machine of this character with an internal eccentric differential gear feed mechanism for reducing the speed between the driving and driven parts of the machine. A further object of the invention is to improve and simplify the construction of machines of this character and thereby render the same more efficient.
923,449 Jun. 01, 1909 Metal-working machine Ernest B. Sellew Pawtucket, RI
979,102 Dec. 20, 1910 Automatic sawing-machine Ernest Burchard Sellew Pawtucket, RI
1,067,882 Jul. 22, 1913 Shaping-machine Ernest B. Sellew Pawtucket, RI Improvements to the shaper of patent 649,175, a patent that was assigned to, and used by, Potter & Johnston Machine Co. At the time of this patent's issue, the earlier patent was due to expire in less than a year.
1,092,867 Apr. 14, 1914 Auxiliary support Ernest Burchard Sellew Pawtucket, RI This mechanism allows the work to be held at slight compound angles, as when machining relief angles. A vise with this mechanism was sold by Sellew Machine Tool Co. as "The Oblique Vise".
1,356,020 Oct. 19, 1920 Metal-working machine Ernest B. Sellew Pawtucket, RI