Cutter pin for rotary mower

Details Cutter pin for rotary mower Cutter pin for rotary mower

1977-01-03

1979-08-28

Kinsey, Russell R.

Harvesters

Cutting

Cutter members

A01D 5518

Patent

active

041655974

ABSTRACT:
As an article of manufacture, a tapered cutter pin for a rotary mower formed of durable resilient plastic having a shank and terminating at its outer end in a relatively thin but stiffly resilient tip portion, the shank having a head at its inner end for retaining the pin in the disc. With the pin supported cantilever fashion adjacent the head, the bending modulus in the shank is a minimum of 50 in..sup.2 -lb and at the tip is a maximum of 30 in..sup.2 -lb and the initial deflection ranges between 0.5 and 3.0 inches of tip deflection per pound of force. In the preferred embodiment the pin has four evenly spaced flutes extending longitudinally over a portion of its length and of a depth approximately proportioned to the thickness of the pin, the flutes defining between them ribs to produce a cruciform cross section.

REFERENCES:
patent: 464852 (1891-12-01), Canuteson
patent: 816486 (1906-03-01), Long
patent: 1780748 (1930-11-01), Fisher
patent: 2645892 (1953-07-01), Weems
patent: 2888993 (1959-06-01), Dunning
patent: 3684027 (1972-08-01), Crawford
patent: 4054992 (1977-10-01), Ballas

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