Geometrical instruments – Gauge – Millstone
Patent
1976-04-15
1978-04-18
Aegerter, Richard E.
Geometrical instruments
Gauge
Millstone
B25B 502, B25D 500
Patent
active
040843254
ABSTRACT:
A center finding assembly is shown having a pair of longitudinally extending arms which at their ends carry a pair of edge-engaging, angle-shaped end guides that are adjustable with respect to each other longitudinally therealong. The pair of end guides of each arm are adapted to engage and to be secured between opposite edge portions of a substantially symmetrical workpiece to provide an automatic centering of a spool-like indicator element that is slidably pivotally carried by and that cross-connects the arms. The end guides are adapted to receive in an interfitting complementary relation a secondary pair of guides for adapting the assembly to the centering of a circular workpiece. Where measurements are to be taken from the located center, a protractor assembly is adapted to interfit with the indicator element and is provided with secondary arms and cooperating slide guides for accurately aligning it with respect to the workpiece. The protractor has graduated open portions therealong for locating desired distances from the center of the workpiece.
REFERENCES:
patent: 1309654 (1919-07-01), Parks
patent: 1373367 (1921-03-01), Summers
patent: 2543026 (1951-02-01), Jennings
Aegerter Richard E.
Little Willis
LandOfFree
Center finder does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Center finder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Center finder will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2140654