Device for assessing inclination

Details Device for assessing inclination Device for assessing inclination

1986-05-05

1987-09-29

Martin, Jr., William D.

Geometrical instruments

Straight-line light ray type

Body related

33290, 33282, 33347, 33391, 273183E, G01C 912

Patent

active

046961119

ABSTRACT:
A viewing device to assist a golfer or the like in assessing transverse inclination of terrain along his sight line, including a base assembly adapted for attachment to a cap, hat or headpiece worn by the golfer or the like, a vertical plumb element pivoted to the base assembly about an axis parallel to the wearer's sight line of the terrain and a horizontal sighting element fixed perpendicularly along its length permitting the wearer to view seleccted terrain relative to the horizontal sighting element and rapidly assess its transverse inclination. With the base assembly secured to the bill of a cap or the like, a viewing frame surrounds the vertical plumb element and horizontal sighting element while including means for retaining both the viewing frame and vertical plumb element and horizontal sighting element out of the wearer's sight line when desired.

REFERENCES:
patent: 3535792 (1970-10-01), Douglas
patent: 4141152 (1979-02-01), White

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