US Patent: 455,101 - Tool Holder


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 455,101

Tool Holder

Patentee:

Ernst C. Heydenreich (exact or similar names) - Mount Clemens, MI

USPTO Classifications:

81/456

Tool Categories:

industrial tools : tool holders

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

A. L. Hubbie

N. B. O'Dogherty

N. L. Lindop

Patent Dates:
Applied:	Jan. 22, 1891
Granted:	Jun. 30, 1891

Patent Pictures:

Ernst C. Heydenreich patent June 30, 1891

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz

Description:

A head with a central threaded bit that can be adapted to multiple gripping and shaping functions. The functions noted in the specification are: "cupping set screws" "chamfering bolts" "using a wood screw as a gimlet."