Self cleaning rotary lawn mower blade and deck assembly

Details Self cleaning rotary lawn mower blade and deck assembly Self cleaning rotary lawn mower blade and deck assembly

1975-04-24

1976-06-01

Kinsey, Russell R.

Harvesters

Motorized harvester

Having motor on ground-supported carrier

56295, A01D 35262

Patent

active

039599558

ABSTRACT:
A self cleaning rotary lawn mower blade and deck assembly in which the lawn mower blade is provided with metal pins symmetrically mounted on opposite sides of the opening for the center shaft, the tops of the pins being spaced from the deck by a critical distance of one-fourth of an inch + or - 1/32 of an inch and being spaced from each other on from 2 to 4 inch centers, so that a 5 inch blade need only have four pins total, half on one side and half on the other side. The mounting of the pin is such that the pin shank whips through an angle of about 30.degree., e.g., about 15.degree. each side of the normal vertical position and this whipping action which takes place during rotation of the blade removes debris, clippings, and the like which tend to adhere to the underside of the deck.

REFERENCES:
patent: 1414305 (1922-04-01), Sandblom
patent: 2565047 (1951-08-01), Rowland
patent: 2863162 (1958-12-01), Draughon
patent: 2957295 (1960-10-01), Brown
patent: 3051972 (1962-09-01), Lacy
patent: 3184903 (1965-05-01), Fjelstad
patent: 3358431 (1967-12-01), Fitzgerald, Jr.
patent: 3396518 (1968-08-01), Johnson
patent: 3531927 (1970-10-01), Wood
patent: 3753341 (1973-08-01), Berg, Jr. et al.
patent: 3857226 (1974-12-01), Sifakas

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