Rotary flail feeding device
OwnerRobert C. Berfieldinventor
Life of this patent
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Abstract
A rotary device useful for trimming vegetation which automatically feeds two flail lines to establish and maintain two rotary flails.
Claims21
A rotational cutting device for feeding two flails, the device comprising a rotary head having two line housings;
- a circumferential flail slot between the housings;
- a winding post at the center of the head joining the housings and extending across the flail slot;
- each housing including an annular line storage cavity located outwardly from the post and an annular line feed passage extending from the line storage cavity to the post;
- the post including a first portion extending outwardly from the line feed passage in one housing and into the slot and a second portion extending outwardly from the line feed passage in the other housing and into the slot;
- wherein a length of flail line may be spiral wound into the line cavity and line passage in each housing with a coil of such line surrounding the post portion adjacent such housing and an end of such line extending into the flail slot.
A rotary device for automatically feeding two flails, the device comprising a head rotatable about an axis, the head comprising two line housings, each housing including an annular line storage cavity located outwardly of the axis, an annular line passage extending inwardly from the line storage cavity toward the axis, and a post portion located on the axis and extending from the inner end of the annular line passage a distance along the axis outwardly from the line passage;
- wherein a length of flail line may be spiral wound in the line cavity and line passage of each housing with a coil of line surrounding the post portion of the housing and an end of the line located outside each housing extending away from the post portion.
Dependencies are inferred from the claim text.