Early History of Radial Arm Saws

Modified on 2008/04/07 16:25 by Jeff Joslin Categorized as History, Radial Arm Saws

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===Raymond De Walt's Radial Arm Saw===
In 1925 Raymond De Walt patented a direct-drive radial arm saw. As we have seen, the radial arm concept was not new, but putting a direct-drive motor in a yoke attached to a radial arm was.

[imageleft|Drawing from De Walt's 1925 patent|{UP}HistoryRAS%2f5059-2.jpg|http://datamp.org/displayPatent.php?id=5059] [imageleft|A first-generation DeWalt saw|http://www.owwm.com/photoindex/images/7122-A.JPG|http://www.owwm.com/photoindex/detail.aspx?id=7122]{clear}

''De Walt's follow-up patents''

''Link to DeWalt Products Co. page''

===Other early patents===

===The Marketplace of Radial Arms and Alternatives===
''Machine types: belt drive, direct drive, moving carriage, moving arm, combination machines''

''Commercial overview up to 1980 or so: DeWalt, Delta, Walker-Turner, Poitras, Comet, Gilson, Wilson, etc. See http://owwm.org/viewtopic.php?t=35533''

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