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US Patent: 4,778,316
Portable Keymill
Patentee:
David S. Strait (exact or similar names) - Newberg, Yamhill County, OR

USPTO Classifications:
409/177, 409/178, 409/184

Tool Categories:
metalworking machines : keyway cutting machines

Assignees:
Climax Portable Machine Tools, Inc. - Newberg, Yamhill County, OR

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 01, 1987
Granted: Oct. 18, 1988

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Climax Portable Machine Tools, Inc.
Description:
Abstract:

An improved portable milling machine adapted to grip a work piece and to cut a keyway through a clamping area. This is accomplished without releasing the grip of the milling machine on the work piece by forming an elongated slot in a bed plate with lands lying at opposite sides of the elongated slot. A clamp plate is arranged in stacked alignment with said lands and a work piece is gripped between the clamp plate and the lands of the bed plate. This structure permits a cutting element to pass through the elongated slot to cut a keyway upon the work piece while said work piece is gripped, the cutting action being performed through the clamped area. Improvements include interchangeable spindle construction allowing the use of a variety of cutter elements.

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