Sickle guard having adjustable knife section hold-down structure

Details Sickle guard having adjustable knife section hold-down structure Sickle guard having adjustable knife section hold-down structure

1983-05-26

1990-01-23

Hirsch, Paul J.

Harvesters

Cutting

Cutter members

A01D 3418

Patent

active

048949795

ABSTRACT:
The upper and lower finger portions of the sickle guard comprises two separate components which are disconnected at their tips so that the knife sections of the sickle can project forwardly beyond at least one of the fingers during operation and thereby provide a self-cleaning action for the gap defined between the two fingers and through which the sickle reciprocates. The size of the gap can be precisely adjusted for maximum cutting efficiency through the use of an adjusting set screw adjacent the rear of each upper finger which incrementally forces the two fingers apart in a fulcruming action to the extent permitted by mounting bolts of the guard when the screw is operated.

REFERENCES:
patent: 572402 (1896-12-01), Barclay
patent: 1583167 (1926-05-01), Pehrson
patent: 3098338 (1963-07-01), Myers
patent: 3099125 (1963-07-01), Turner
patent: 3162991 (1964-12-01), Maxant
patent: 3314222 (1967-04-01), Scarnato et al.
patent: 3455093 (1969-07-01), Stern
patent: 3715845 (1973-02-01), Braunberger
patent: 3722196 (1973-03-01), Templeton
patent: 4387554 (1983-06-01), Bedogni

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