Measuring apparatus for figures

Details Measuring apparatus for figures Measuring apparatus for figures

1996-05-22

1998-01-13

Voeltz, Emanuel T.

Boots, shoes, and leggings

33121, 33123, 33124, G01B 2100, G06F 1710, G06F 1900

Patent

active

057085927

ABSTRACT:
An apparatus for measuring figures having circular arc portions by obtaining coordinates of a starting point, an ending point and an intermediate point of each circular arc. The measuring apparatus measures at least one of coordinates or an area of a figure. The measuring apparatus has a main body and a measuring lever. The main body has a pair of rollers that drive the measuring apparatus in a running direction. The measuring lever is pivotally supported on the main body so as to be rotatable in a clockwise and counter-clockwise direction. The measuring lever includes a tracer, a point key, and an arc key. The point key is manipulated when the measuring lever is at the starting point of the circular arc portion. The arc key is manipulated when the measuring lever is at the intermediate point. The point key again is manipulated when the measuring lever is at the ending point. By obtaining these three points, a parameter of a figure, including the circular arc portion, can be determined.

REFERENCES:
patent: 4127941 (1978-12-01), Hoover
patent: 4616419 (1986-10-01), Kubo
patent: 4791576 (1988-12-01), Tanaka et al.
patent: 5115569 (1992-05-01), Kubo
patent: 5515299 (1996-05-01), Kaji et al.
patent: 5551161 (1996-09-01), Kubo

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