Earth working – Fabric or flexible tool
Patent
1990-02-08
1991-05-28
Taylor, Dennis L.
Earth working
Fabric or flexible tool
1726845, 1724451, 172776, 56DIG12, A01B 4500
Patent
active
050185870
ABSTRACT:
An improved brush attachment (10) includes a frame (12) comprising a semirigid plate (14) and rigid braces (16-24) so that the relative overall stiffness is adjustable in accordance with the contour of the underlying surface. An arrangement of end-to-end, oppositely angled brushes (46-60) is provided on the bottom of the frame (12).
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patent: 3878901 (1975-04-01), Robertson, Sr.
patent: 4140187 (1979-02-01), Leclerc
patent: 4312095 (1982-01-01), Mullins
patent: 4747174 (1988-05-01), Hightower
Gandrud Dale E.
Nelson Randall C.
Bunch John W.
Gandy Company
Taylor Dennis L.
Thompson Jeffrey L.
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