If you find a patent number or patent date by this manufacturer that is not on this
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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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2,175,111
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Oct. 03, 1939
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Power hacksaw
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Chester Irvin Duvall |
Huntington Park, CA |
An example of this hacksaw is reported with the R. B. Rodgers Manufacturing Co. name on it.
"This invention relates to a power hacksaw or the like designed especially but not necessarily for cutting metals. It is aimed to provide a structure having a minimum of castings for the mounting and support of the operating parts; a construction wherein the saw will be automatically lifted incidental to return to initial position; a structure wherein the saw frame freely slides on roller means; a construction wherein the column which mounts the saw, may be adjusted relatively to the work, and a construction facilitating attachment of the work rigidly with respect to the saw." |