US Patent: 4,211,510 - Adjustable Boring Head


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US Patent: 4,211,510

Adjustable Boring Head

Patentee:

David A. Hopkins (exact or similar names) - Troy, Oakland County, MI

USPTO Classifications:

279/103, 279/43.3, 279/6, 407/45, 407/78, 407/91, 408/150, 408/186, 408/197, 408/239R

Tool Categories:

metalworking machines : drilling and boring : boring heads

Assignees:

Valeron Corp. - Oak Park, Oakland County, MI

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Sep. 05, 1978
Granted:	Jul. 08, 1980

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Valeron Corp.

Description:

Abstract:

An adjustable boring tool including an axial shank and a socket for mounting a cylindrical boring bar with an offset axis clamped in adjustable position through transverse and longitudinally slotted segments on one side of the socket together with a transverse screw for clamping the slotted segments against the boring bar. A graduated dial fixed to the boring bar provides calibrated adjustment over a range equal to four times the offset.