Concave clearance indicator

Details Concave clearance indicator Concave clearance indicator

1979-11-13

1981-03-03

Eskovitz, Jay N.

130 27JT, 130 27T, A01F 1228

Patent

active

042534720

ABSTRACT:
In a harvesting and threshing machine having concaves cooperative with rotatable threshing and separating apparatus there is provided a shearbolt safety mechanism coupled to a concave clearance indicator so that when a foreign object enters the threshing and separating apparatus and exerts a force above a predetermined level between the concaves and the threshing and separating apparatus, the shearbolt safety mechanism is effective to cause the concaves to drop to a fully lowered position and the concave clearance indicator to indicate the positioning of the concaves to the operator.

REFERENCES:
patent: 1772321 (1930-08-01), Ossing
patent: 2931363 (1960-04-01), Bulin
patent: 2960988 (1960-11-01), Peterson
patent: 3552396 (1971-01-01), Gerhardt et al.
patent: 3626472 (1971-12-01), Rowland-Hill
patent: 3631862 (1972-01-01), Rowland-Hill
patent: 3742686 (1973-07-01), Rowland-Hill
patent: 3771530 (1973-11-01), Wassell
patent: 3949761 (1976-04-01), Mortier et al.

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