Harvesters – Hand rakes – Broom type
Patent
1991-10-23
1992-11-10
Melius, Terry Lee
Harvesters
Hand rakes
Broom type
5640021, A01D 706
Patent
active
051613603
ABSTRACT:
A head for a rake has a fan-shaped body with a plurality of fingers radiating from an attachment to a rake handle. The individual fingers have three portions: a base portion, a middle portion and a tip portion. The base portion of each finger is generally rectangular in profile; the middle portion is generally rectangular with the sides being arcuate outwardly; and the tip portion is a circular arc segment with the chord segment thereof comprising the proximal end of said portion. A reinforcing rib is positioned normal to the bottom surface of each portion of each finger, the reinforcing rib originating along the length of the base portion and extending continuously to the distal end of the tip portion. The head is preferably molded from a thermoplastic compound such as polyethylene, polypropylene, or polyurethane.
REFERENCES:
patent: 226419 (1880-04-01), Quigley
patent: 393105 (1888-11-01), Gunn
patent: 1682795 (1928-09-01), Morgan
patent: 2065830 (1936-12-01), Sherman
patent: 2463393 (1949-03-01), Key
patent: 2468376 (1949-04-01), Peeples
patent: 2663987 (1953-12-01), Biener
patent: 2794312 (1957-06-01), Finkes
patent: 3707835 (1973-01-01), McNally
patent: 4219993 (1980-09-01), Cosmos
patent: 4831815 (1989-05-01), Bonnes
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