US Patent: 3,046,845 - Back Spotface Tool


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US Patent: 3,046,845

Back Spotface Tool

Patentee:

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

USPTO Classifications:

408/81, 408/88, 408/93

Tool Categories:

metalworking machines : drilling and boring : drill bits : metalworking counterbores

Assignees:

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

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Aug. 17, 1959
Granted:	Jul. 31, 1962

Patent Pictures:

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Description:

Claim:

A cutting tool comprising a sleeve, a spindle slidably keyed within said sleeve for limited longitudinal movement relative thereto, a drive member slidably extending over said sleeve and slidably keyed for limited longitudinal movement relative thereto, and pivoted camming means for camming said spindle upwardly relative to said sleeve in response to the downward movement of said drive member relative to said sleeve.