US Patent: 1,038,755


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Chuck

Patentee:

Henry S. Hubbell (exact or similar names) - Ashburnham, MA

USPTO Classifications:

279/62

Tool Categories:

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

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

Assignees:

None

Manufacturer:

T. R. Almond Mfg. Co. - Ashburnham, MA

Witnesses:

Carleton H. Hubbell

Walter B. Clifford

Patent Dates:
Applied:	Dec. 20, 1909
Granted:	Sep. 17, 1912

Patent Pictures:

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Description:

"My invention relates to a chuck known as a drill chuck and more particularly to a drill chuck of the type known as the Almond chuck wherein the jaws are slidably movable in inclined recesses drilled into the said body of the chuck, the relative movement of the jaws being controlled by a ring having an internally screw-threaded tapering face, the threads of which mesh with external threads upon the jaws..."