US Patent: 1,600,847
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Drilling Machine
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Patentees:
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Albert E. Robinson (exact or similar names) - Cincinnati, Hamilton County, OH |
Augustus M. Sosa (exact or similar names) - Cincinnati, Hamilton County, OH |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jun. 27, 1924 |
Granted: |
Sep. 21, 1926 |
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Joel Havens "Vintage Machinery" entry for American Tool Works Co.
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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. |
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