Geometrical instruments – Distance measuring – Of length by rolling contact
Patent
1996-06-26
1998-03-17
Fulton, Christopher W.
Geometrical instruments
Distance measuring
Of length by rolling contact
33 1M, 33124, G01B 526, G01B 732
Patent
active
057273294
ABSTRACT:
A device for measuring a figure. The measuring device includes an auxiliary tracer to obtain measurement coordinates when a measuring lever of the measuring device is beyond a predetermined rotatable range. The auxiliary tracer functions to increase the measurable range of the measuring device without having to increase the over-all length of the measuring device. The device includes a body having a pair of wheels with a measuring lever extending therefrom and having a main tracer. An auxiliary tracer is provided on an auxiliary arm extending from the measuring lever. Data from either the main tracer or the auxiliary tracer can be processed by a processor to measure the figure.
REFERENCES:
patent: 4616419 (1986-10-01), Kubo
patent: 4617740 (1986-10-01), Mikio
patent: 5115569 (1992-05-01), Kubo
patent: 5515299 (1996-05-01), Kaji et al.
patent: 5551161 (1996-09-01), Kubo
Fulton Christopher W.
Ushikata Mfg. Co., Ltd.
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