Fluent material handling – with receiver or receiver coacting mea – With means to move supply means and/or receiver to – from or... – Relatively receding discharge assistant and receiver...
Reexamination Certificate
2005-10-04
2005-10-04
Maust, Timothy L. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
With means to move supply means and/or receiver to, from or...
Relatively receding discharge assistant and receiver...
C141S094000, C141S258000, C141S259000, C222S229000, C222S548000, C198S550100
Reexamination Certificate
active
06951230
ABSTRACT:
An apparatus for controlling the denseness of powder conveyed from a hopper through a funnel and into a container includes an auger that is positioned within the funnel that is rotatable and vertically movable. The rotation and vertical movement of the auger serves to continuously vary the length of the auger and as a result maximizes the mass of powder that can fill the container. Alternatively, the auger can include an articulatable section that splays when it is extended beyond a terminal portion of the funnel. Still yet, the device could include a hollow auger shaft with an internal rod that has the ability to extend and retract. The rod includes a strip portion and with the strip portion retracted, the powder discharged is in its densest state. As the strip portion is extended the powder density is reduced.
REFERENCES:
patent: 1248610 (1917-12-01), Caracristi
patent: 2933175 (1960-04-01), Gray
patent: 4185669 (1980-01-01), Jevakohoff
patent: 5327947 (1994-07-01), McGregor
patent: 5921295 (1999-07-01), Zelazny et al.
Henry, II William
Maust Timothy L.
Xerox Corporation
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