US Patent: 1,028,395 - Radial Drill


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US Patent: 1,028,395

Radial Drill

Patentee:

Herman W. Schatz (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:

144/135.3, 408/132, 74/333, 74/378

Tool Categories:

metalworking machines : drilling and boring : drill presses : radial drill presses

Assignees:

American Tool Works Co. - Cincinnati, Hamilton County, OH

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Oct. 04, 1909
Granted:	Jun. 04, 1912

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for American Tool Works Co.

Description:

Claim:

In a radial drill arm of hollow formation, consitising a forward wall having an intermediate U-shaped portion, and oppositely disposed vertical and inclined surface portions in cross section providing three bearing surfaces above and below the medial line of the arm, and a rear Wall connecting with said forward wall at the upper and lower portions thereof of curved outline in cross section, and extended in oppositely disposed inclined planes toward the medial line of the arm.