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US Patent: 629,236
Tool Holder for Metal Working Machines
Patentee:
James Carr (exact or similar names) - New Haven, New Haven County, CT

USPTO Classifications:
407/92, 407/99

Tool Categories:
metalworking machines : metal lathes : lathe tool holders and tool posts
metalworking machines : metal planers : metal planer tool holders

Assignees:
Hoggson & Pettis Mfg. Co. - New Haven, New Haven County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Harry B. Kennedy
J. M. Colgan
J. H. Shumway

Patent Dates:
Applied: Mar. 17, 1899
Granted: Jul. 18, 1899

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Hoggson & Pettis Manufacturing Co.
Description:
Seymour & Earle - patent attorneys

Abstract:

This invention relates to an improvement in tool-holders for metal-working machines, and particularly to that class which comprise a shank having a groove or passage in one side or through it for the reception of a cutting-tool, the object of the invention being to produce a simple construction and arrangement whereby the same holder is adapted to receive and rigidly hold tools differentiated in size; and it consists in the construction and combination of parts, as will be hereinafter described, and particularly recited in the to provide a cutting edge.

Claim:

A tool-holder having a wide shallow tool receiving groove, and a deep narrow tool-receiving groove, both arranged in one face of its shank and opening into each other, a yoke surrounding the grooved end of the shank, and provided with a set-screw whereby the yoke is clamped against a cutter placed in one of the grooves

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