Datum point location method and apparatus

Details Datum point location method and apparatus Datum point location method and apparatus

1983-11-17

1985-10-29

Stearns, Richard R.

Geometrical instruments

Gauge

Point reproducer

33 1M, 33180AT, 33520, G01B 503, G01B 514

Patent

active

045493596

ABSTRACT:
A support base has an attachment device for being secured in a predetermined position on a frame. A first coupler is mounted on the support base for movement in two mutually perpendicular directions and a first elongate member, is mounted in the first coupler and extends in a direction normal to the plane defined by the directions in which the the first coupler is movable. A universal coupling is disposed at the remote end of the first member and includes a second coupling and a clamp for securing the second coupling in any angular orientation relative to the remote end of the first member. A second elongate member is longitudinally adjustable and is fixed to the second coupling so that the remote end of the second member may be three-dimensionally adjusted relative to the remote end of the first member. A datum point is located in space relative to a stationary base by fixing the remote end of the second elongate member to a fixed element defining the point, clamping the other end of the second member to the upper end of the first member by means of the universal coupling, two-dimensionally adjusting the lower end of the first member relative to reference points on the base, and clamping the lower end of the first member relative to the base.

REFERENCES:
patent: 4165567 (1979-08-01), Olsson
patent: 4174623 (1979-11-01), LeGrand et al.
patent: 4207681 (1980-06-01), Bayorgeon et al.
patent: 4230011 (1980-10-01), Battaglia
patent: 4329784 (1982-05-01), Bjork
patent: 4464839 (1984-08-01), Sadeh
patent: 4479305 (1984-10-01), Wendl et al.
Blackhawk Diagnostic Measuring Accessory Operating Instructions 1982, 18 pages.

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