US Patent: 2,688,828 - Angle Plate for Grinding Tool Bits


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US Patent: 2,688,828

Angle Plate for Grinding Tool Bits

Patentee:

Richard J. Aulenbach (exact or similar names) - Watertown, Middlesex County, MA

USPTO Classifications:

33/534, 451/369

Tool Categories:

metalworking tools : jigs and fixtures : angle bars and angle plates

metalworking machines : grinders : grinding fixtures

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Sep. 05, 1951
Granted:	Sep. 14, 1954

Patent Pictures:

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Description:

Claim:

An angle positioning device for tool grinding comprising a base plate having a side surface extending upwardly at an obtuse angle to the bottom surface, and an upstanding plate having a side surface extending upwardly and adjoining said base plate side surface and extending at an obtuse angle with relation to the bottom surface of said upstanding plate, said base plate having, a central hole therein and a plurality of holes at a border portion thereof, said holes being adapted to receive pins, and means attaching said base plate and upstanding plate together.