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US Patent: 4,557,303
Spindle shaper
Patentees:
Chester K. Greathouse (exact or similar names) - McMinnville, TN
Gary L. Gardner (exact or similar names) - McMinnville, TN

USPTO Classifications:
144/135.2, 144/145.2, 409/213, 409/217, D15/127

Tool Categories:
woodworking machines : cutter head machines : wood shapers

Assignees:
Powermatic-Houdaille, Inc. - McMinnville, TN

Manufacturer:
Powermatic-Houdaille, Inc. - McMinnville, TN

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 23, 1984
Granted: Dec. 10, 1985

Patent Pictures: [ 1 | 2 ]
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Powermatic Machine Co.
Description:
"A spindle shaper machine tool successively performs a plurality of operations on a work piece with removal and replacement of cutter heads on the spindle. The cutter heads are superimposed on the spindle, a fluid pressure jack quickly shifts the spindle to align a selected head with a work piece and the work piece is either manually or automatically advanced across the rotating selected tool..."

This production shaper was sold under the "Powerstack" name by Powermatic, as a nicely integrated option on their model 26 shaper.

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