US Patent: 1,748,556 - Boring machine


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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:

USPTO (New site tip)
Google Patents
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".