Cutter bar with indexable blades for rotary lawn mowers

Details Cutter bar with indexable blades for rotary lawn mowers Cutter bar with indexable blades for rotary lawn mowers

1989-09-07

1990-05-08

Suchfield, George A.

Harvesters

Cutting

Cutter members

56 175, A01D 3473, A01D 3452

Patent

active

049226983

ABSTRACT:
A cutter bar with indexable blades for a rotary lawn mower which can be substituted for a conventional cutter bar in the rotary lawn mower and is replaceable and easily indexable without detaching the replaceable blade from the cutter bar or upending the mower. The cutter bar has a recess with abutment shoulders on opposite ends thereof for receiving the indexable blades, each such indexable blade comprising a plate with a plurality of sides sharpened into cutting edges and a socket with a hole for receiving the head of a bolt. Each recess in the cutter bar has a socket into which the socket of the indexable blade is fitted and a hole for receiving the shank of the bolt. The indexable blades are held in the recesses with a nut threaded on the bolt which is preferably a carriage bolt with means for retaining the nut on the shank when the nut is loosened.

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