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US Patent: 1,748,556
Boring machine
Patentee:
Elliott John McKnight (exact or similar names) - Gardner, MA

USPTO Classifications:
144/106, 408/100, 408/136, 408/236, 408/88

Tool Categories:
trade specific : chair maker
woodworking machines : wood drilling and boring

Assignees:
None

Manufacturer:
McKnight Machinery Co. - Gardner, MA
L. G. McKnight & Son Co. - Gardner, MA

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 12, 1927
Granted: Feb. 25, 1930

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for L. G. McKnight & Son Co.
Description:
The invention is a multi-spindle drill where the spindles can be angularly and horizontally adjusted, in contrast to the usual arrangement where only the table is angularly adjustable. It uses direct-drive motors to power the drills.

The machine has been seen in an L. G. McKnight & Son Co. catalog, as the No. 5 "direct motor driven chair seat boring machine".

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