US Patent: 1,625,397 - Friction Clutch Mechanism


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US Patent: 1,625,397

Friction Clutch Mechanism

Patentee:

Albert E. Robinson (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:

188/249, 192/107T, 192/21, 192/77, 74/378

Tool Categories:

metalworking machines : metalworking machine mechanisms : metalworking machine clutches

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:	Aug. 11, 1924
Granted:	Apr. 19, 1927

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:

My invention relates to friction clutch mechanism, especially to reversible friction gearing of the character of that employed in the driving means for rotating the rill spindles of drilling machines in reverse directions.