Earth working – Rolling – rotating or orbitally moving tool – Plural groups of disks
Patent
1997-07-02
1999-08-31
Novosad, Christopher J.
Earth working
Rolling, rotating or orbitally moving tool
Plural groups of disks
172637, 172640, 172662, A01B 7300
Patent
active
059441160
ABSTRACT:
An apparatus for positioning a work object relative to a primary support between first and second positions, the apparatus having a first mount adapted to be mounted on the work object; a second mount adapted to be mounted on the primary support; a linking assembly interconnecting the first and second mounts; and a control system interconnecting the work object and the linking assembly for selectively applying force to the linking assembly to move the work object between the first and second positions.
REFERENCES:
patent: 4308920 (1982-01-01), Floyd et al.
patent: 4408736 (1983-10-01), Kirschbaum et al.
patent: 4415043 (1983-11-01), Hadler et al.
patent: 4452318 (1984-06-01), Boetto
patent: 4720063 (1988-01-01), James et al.
patent: 4917334 (1990-04-01), Ralph et al.
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