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
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More information on how to configure your computer to view these patents can be
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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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3,088,249
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May. 07, 1963
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Grinding Machine
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Lyman B. Pope |
Kingston, Rockingham County, NH |
Abstract:
This invention relates to a grinding machine in which adaptability to various uses is combined with a high degree of accuracy. The machine hereinafter described and illustrated on the drawings is quickly and easily adaptable for internal or external grinding, and can, for example, be used to grind standard centers or antifriction centers to accurate taper angles.
Claim:
A grinding machine comprising a bed having thereon, a raised platform with an accurately plane surface and an elongated aperture therethrough, a movable grinder head unit having a plane bottom face bearing on said plane surface and universally adjustable thereon, means extending through said aperture for clamping said unit in any position of adjustment, and means on said bed for supporting and rotating a workpiece in an operative position relative to said grinder head unit, said work-supporting means having means for fine angular adjustment thereof about a vertical axis. |
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Grinding Machine
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John W. Sjostrom |
Salem, Rockingham County, NH |
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