US Patent: 1,385,134 - Bit-chuck retainer


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US Patent: 1,385,134

Bit-chuck retainer

Patentee:

Francis A. Jimerson (exact or similar names) - Athens, PA

USPTO Classifications:

251/244, 91/498, 92/72

Tool Categories:

metalworking machines : drilling and boring : drill presses : drill press chucks

woodworking machines : wood drilling and boring : drill presses : drill press chucks

Assignees:

Ingersoll-Rand Co. - Jersey City, NJ

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Nov. 09, 1920
Granted:	Jul. 19, 1921

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Ingersoll-Rand Co.

Description:

"This invention relates to bit chucks, but especially to a device for retaining the tapered shank of a bit bit chuck in the tapered socket of a spindle. The device is particularly applicable to a bit chuck having a reduced shank formed with a standard Morse taper, and adapted to fit a correspondingly tapered socket in a spindle..."