US Patent: 1,600,847 - Drilling Machine


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US Patent: 1,600,847

Drilling Machine

Patentees:

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

Augustus M. Sosa (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:

408/236

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:	Jun. 27, 1924
Granted:	Sep. 21, 1926

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 drilling machine, the combination of a base, a tool-arm adjustable to radial positions thereabove, a clamp for clamping said tool-arm in adjusted position, means for operating said clamp comprising an electric motor, a power connecting and disconnecting couple operatively disposed between said electric motor and said clamp, and a power controlling switch for controlling actuation of said electric motor, said couple including a movable member, a control-member, and mechanical connections between said control-member `and said movable member and between said control-member and said switch so constructed and arranged as to arrange said couple for connection and to operate said switch for power actuation.