US Patent: 3,788,633 - Adjustable Angle Plate Arrangement


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US Patent: 3,788,633

Adjustable Angle Plate Arrangement

Patentee:

Antonio Cho (exact or similar names) - Zürich, Zürich Canton Switzerland

USPTO Classifications:

269/307, 269/309, 269/60, 269/69, 269/76, 269/79, 33/534, 33/536

Tool Categories:

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

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Aug. 25, 1969
Granted:	Jan. 29, 1974

Patent Pictures:

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Description:

Abstract:

A work supporting plate for a machine tool is pivotally mounted between two normally fixed base arms and two swinging arms, the plate and arms being connected by a common pivot. A segment on each swinging arm has a row of uniformly spaced bores in an arc about the pivot axis for coarse adjustment of the angular plate portion in integral multiples of 1 degree and a threaded abutment on each swinging arm permits the swinging arms with the plate to be finely adjusted relative to the base arms.