US Patent: 3,423,885 - Sine V Block


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 3,423,885

Sine V Block

Patentee:

Herbert D. Crandall (exact or similar names) - Rushford, Allegany County, NY

USPTO Classifications:

269/902, 33/536, 451/387

Tool Categories:

metalworking tools : sine bars

metalworking tools : jigs and fixtures : V blocks

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 16, 1966
Granted:	Jan. 28, 1969

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens

Description:

Abstract:

A workpiece holder in the form of a sine V-block for use during the machine operation with the block having precision surfaces thereon and a recess in each vertical corner and the bottom end corners thereof. Each recess includes a cylindrical sine which has a precision peripheral surface to enable gauging blocks to be disposed between the sine and a precision supporting table surface.