Multipurpose drafting and measuring instrument

Details Multipurpose drafting and measuring instrument Multipurpose drafting and measuring instrument

1978-04-06

1980-01-22

Phillips, Charles E.

Geometrical instruments

Scriber

33 1M, B43L 1300

Patent

active

041842618

ABSTRACT:
A multipurpose drafting and measuring instrument having an upright marking device mounted on a base or main frame readily maneuverable over sheet material. Mounted on the instrument main frame are one or more signal generators each having a roller in frictional driving contact with the sheet material and with their axes normal to one another and to a respective peripheral edge of the instrument base. The signal generators are connected to respective digital display panels each having a manually settable scale changer. Any of a variety of marking devices can be substituted for one another. The instrument includes various readily attached accessories for utilizing the instrument as an Y, X digitizer, a protractor, a planimeter, and both as a linear and a circular scale graduator.

REFERENCES:
patent: 2033715 (1936-03-01), Jacob
patent: 3166844 (1965-01-01), Pascoe et al.
patent: 3328801 (1967-06-01), Boyle et al.
patent: 3564220 (1971-02-01), Peddie et al.
patent: 3573842 (1971-04-01), Colpitts
patent: 3656169 (1972-04-01), Kashio
patent: 3696397 (1972-10-01), Raser
patent: 3758949 (1971-04-01), Fausel et al.

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