Centerline sight with reverse pendulum

Details Centerline sight with reverse pendulum Centerline sight with reverse pendulum

1983-11-07

1985-04-16

Stouffer, Richard T.

Earth working

With indicating or sighting means

33185V, 33264, 33401, A01B 6900

Patent

active

045110050

ABSTRACT:
A tractor guidance apparatus includes a laterally adjustable sight equipped with a reverse pendulum whereby an upright pivotal sight needle is moved in the same transverse direction as the depending pendulum in response to pivotal movement of the pendulum.

REFERENCES:
patent: 1052050 (1913-02-01), Gray
patent: 1476076 (1923-12-01), Hespe
patent: 2292241 (1942-08-01), Reeves
patent: 2342518 (1944-02-01), O'Connor
patent: 2548226 (1951-04-01), Maier
patent: 2555954 (1951-06-01), Bruflat
patent: 2565615 (1951-08-01), McCoy
patent: 2580954 (1952-01-01), Przybylski
patent: 2925656 (1960-02-01), Genovese
patent: 3845570 (1974-11-01), Green
patent: 4280281 (1981-07-01), Gerber

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