US Patent: 2,447,889 - Sine Angle Plate


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US Patent: 2,447,889

Sine Angle Plate

Patentee:

Carl Adler (exact or similar names) - Wickliffe, Lake County, OH

USPTO Classifications:

269/63, 269/900, 269/94, 33/537, 411/337, 411/403

Tool Categories:

metalworking tools : sine bars

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

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jan. 31, 1945
Granted:	Aug. 24, 1948

Patent Pictures:

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Description:

Claim:

In a device of the kind described an L-shaped plate, the terminals of each end of which are provided with rabbeted seats, rolls fixedly mounted on each of said seats, a, base plate upon which the L-shaped plate is mounted, one face of said L-shaped plate being formed with a countersunk opening therethrough, said base plate being formed with a countersunk opening therethrough, adjustable means comprising a link having threaded telescopically associated parts engageable through said openings for fixing the plates together, gauge block means clamped between one of said rolls and said base plate, and work locating plates attachable to the sides and ends of the L-shaped plate, said L-shaped plate having tapped bores on the sides and ends to receive screws for attaching said plates.