Material or article handling – Static receptacle and means for charging or discharging – or... – Nongravity discharging means
Reexamination Certificate
2005-01-18
2005-01-18
Dillon, Jr., Joe (Department: 3651)
Material or article handling
Static receptacle and means for charging or discharging, or...
Nongravity discharging means
C414S397000, C406S089000
Reexamination Certificate
active
06843633
ABSTRACT:
A particulate material conveying apparatus generally consisting of an upper conduit having a material receiving inlet; a first intermediate conduit communicating with the upper conduit and swivable relative to the upper conduit about a first axis; a second intermediate conduit communicating with the first intermediate conduit and swivelable relative to the first intermediate conduit about a second axis parallel to the first axis; a lower conduit having a material discharge outlet, communicating with the second intermediate conduit and swivable relative to the second intermediate conduit about a third axis parallel to the second axis; and a mechanism for translating the angular displacement of the second intermediate conduit relative to the first intermediate conduit about the second axis to angular displacement of the first intermediate conduit relative to the upper conduit about the first axis.
REFERENCES:
patent: 760015 (1904-05-01), Parker
patent: 1814618 (1931-07-01), Carter
patent: 1918133 (1933-07-01), Rennels
patent: 4972940 (1990-11-01), Gleason
patent: 4979604 (1990-12-01), Forsberg
patent: 5259425 (1993-11-01), Johnson et al.
patent: 5518048 (1996-05-01), Derby
patent: 6776197 (2004-08-01), DeCrane
Dillon, Jr. Joe
Stevens Davis Miller & Mosher LLP
The Young Industries, Inc.
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