Geometrical instruments – Straightedge type – Base attached
Patent
1989-11-20
1991-09-24
Haroian, Harry N.
Geometrical instruments
Straightedge type
Base attached
33 322, 51363, B43L 1300
Patent
active
050503081
ABSTRACT:
A tool guide temporarily attachable to vehicle body panels or other surfaces to provide a straight edge, and a contour sander for use in connection with a straight edge. The tool guide includes an elongated member having a longitudinal edge surface for guiding a work tool, and suction cups mounted on tongues extending laterally from the body of the tool guide. The tongues are angled in relation to the body, so that the tongues exert a cantilever force urging the tool guide against a surface when the tongues are secured against the suction cups. The contour sander includes a number of flat blades mounted side-by-side and each having a longitudinal edge for contacting a contoured work surface. A clamp holds the blades in parallel juxtaposition and selectively loosens the blades for conforming contact with the contour. Finger grips are formed at the ends of the blades, allowing the operator to raise or lower any particular blade and obtain a sharper or more accurate reproduction of contour if desired.
REFERENCES:
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patent: 3178826 (1965-04-01), Aisen
patent: 3714743 (1973-02-01), Hall
patent: 4666114 (1987-05-01), Kroczynski et al.
patent: 4828303 (1989-05-01), Soria
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