Harvesters – Hand rakes – Combined – convertible and attachments
Patent
1992-08-10
1994-04-26
Rosenbaum, Mark
Harvesters
Hand rakes
Combined, convertible and attachments
5640008, A01D 704
Patent
active
053055918
ABSTRACT:
A hand held implement for raking is provided with an apparatus for cleaning of debris which becomes lodged on and among the tines by means of an actuator, requiring a minimum of effort and disruption of the raking rhythm on the part of the operator in order to effect cleaning. The tines are transversely flexible, allowing the movement of a cleaning bar, which also serves as a stress distributor and tine separator, along and about and to the distal ends of the tines for the purpose of removing lodged debris. The cleaning bar is attached to and operated by a hollow actuator, which moves along and about the rake handle, by an intervening spring, which applies downward tension to the tines. The tines, in turn diverging and downward arcing, provide tension to help keep the cleaning apparatus as positioned by the operator anywhere along its travel upon the tines. The cleaning apparatus is further kept at the proximal end of its travel by the raking motion of the operator and is activated by rotation of the lower arm about the elbow without requiring a change of grip by either hand of the operator.
REFERENCES:
patent: 1131553 (1915-03-01), Rethorn
patent: 1244789 (1917-10-01), Stetson
patent: 1864264 (1932-06-01), Velkover
patent: 4850185 (1989-07-01), Dimon
Han Frances
Rosenbaum Mark
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