Conveyors: power-driven – Conveyor section – Pusher conveyor and separate load support surface
Patent
1998-03-02
2000-10-03
Ellis, Christopher P.
Conveyors: power-driven
Conveyor section
Pusher conveyor and separate load support surface
B65G 2500
Patent
active
061259926
ABSTRACT:
A chip conveyor has an upwardly open housing defining a U-shaped trough for conveying metal chips from a machining operation. The housing includes a bottom and defines an upper edge. A reciprocatable plow ram is positioned in the housing for motivating the metal chips along the trough. An actuator is located in the housing for reciprocating the ram, the actuator including a cylinder and an extendable rod associated with the cylinder and connected to the ram by an upright bracket that helps position the cylinder and rod above the bottom of the trough. The cylinder is spaced above the bottom and located proximate the upper edge at a location where the cylinder is generally above the metal chips in the trough so that the cylinder does not encounter the metal chips or debris associated therewith, and so that maintenance on the cylinder is made easier. The cylinder and rod are connected to the housing and ram by pull pins for quick release to further facilitate maintenance. A pair of cylinders may be used that define an opening therebetween, and that have extendable rods connected to an intermediate part of the ram, such that an upstream end of the ram is located below and between the cylinders for receiving chips dumped between the cylinders.
REFERENCES:
patent: 2130082 (1938-09-01), Ferry
patent: 3158257 (1964-11-01), Peras
patent: 3747742 (1973-07-01), Wissmann
patent: 3828920 (1974-08-01), Becker et al.
patent: 3882997 (1975-05-01), Dudley
patent: 4026408 (1977-05-01), Becker
patent: 4377259 (1983-03-01), Areaux et al.
patent: 4411256 (1983-10-01), Radas
Exhibit A discloses a prior art chip conveyor sold by Chip Systems, Inc.
Exhibit B discloses a prior art chip conveyor sold by Prab Conveyors.
Exhibit C discloses prior art cylinders sold by Parker Company.
Dillon, Jr. Joe
Ellis Christopher P.
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