US Patent: 684,903 - Tool Chuck


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US Patent: 684,903

Tool Chuck

Patentee:

Irving Barker (exact or similar names) - Springfield, Sangamon County, IL

USPTO Classifications:

279/78

Tool Categories:

metalworking machines : drilling and boring : drilling and boring tool holders

Assignees:

Irving Barker - Springfield, Sangamon County, IL

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Sep. 11, 1899
Granted:	Oct. 22, 1901

Patent Pictures:

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Description:

My invention relates to chucks of that class which are employed to hold drills or other tools used in boring, drilling, or analogous operations,and is a modification and improvement of the tool-chuck described in my United States Patent No. 591,088, dated 05 October, 1897.

Claim:

A sleeve for tool-chucks having a latch-slot and drift-slots, in combination with a stock having a tool-socket also having a latch-slot and a drift-slot simultaneously registrable with the latch-slot and the drift-slots of said sleeve, and a latch mounted to oscillate in said latch-slot.