Grain cart periscope

Details Grain cart periscope Grain cart periscope

1997-06-09

1998-12-01

Melius, Terry Lee

Crop threshing or separating

Machine component arrangement and structure, e.g., engine...

460149, 414345, A01F 1200

Patent

active

058429204

ABSTRACT:
A periscope of the present invention is adapted to allow a farmer to monitor the inside of a wagon while it is being filled with grain from a grain cart. In this way, the farmer will know when the wagon is full and can prevent the wagon from overfilling and spilling grain. The top mirror of the periscope is convex in shape and can be adjusted to change the field of view.

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patent: 3964620 (1976-06-01), Parsons
patent: 4614477 (1986-09-01), Hagenbuch
patent: 5529537 (1996-06-01), Johnson
patent: 5749783 (1998-05-01), Pollkhas

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