US Patent: 3,021,733 - Cutting Tool


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US Patent: 3,021,733

Cutting Tool

Patentee:

Stuart A. Cogsdill (exact or similar names) - Orchard Lake, Oakland County, MI

USPTO Classifications:

408/180, 408/187, 82/1.2, D15/139

Tool Categories:

metalworking machines : drilling and boring : boring heads

Assignees:

Cogsdill Tool Products, Inc. - Oak Park, Oakland County, MI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Aug. 07, 1957
Granted:	Feb. 20, 1962

Patent Pictures:

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Description:

Claim:

A cutting tool adapted to be fitted to a driving arbor for machining a bore of a workpiece comprising, a spindle, a cutting blade pivotally mounted within the lower end of the spindle, stop means for positioning the spindle relative to the workpiece, a sleeve extending over the spindle having a cam surface on the lower end thereof adapted to cam the cutting blade into cutting position with the bore when the shank advances relative to the spindle, said cam surface having an axis displaced from the axis of the cutting tool, and means for slidably keying the sleeve to the shank and spindle to permit limited relative rotational and longitudinal movement therebetween to enable the sleeve to be rotated to vary the depth of cut of the cutting blade.