Conveyors: power-driven – Conveyor section – Endless conveyor
Reexamination Certificate
2005-05-24
2005-05-24
Bidwell, James R. (Department: 3651)
Conveyors: power-driven
Conveyor section
Endless conveyor
C198S595000
Reexamination Certificate
active
06896123
ABSTRACT:
An extensible conveyor system that uses idler shuttles that include a base with sides, a front section and a rear section, and a mechanism that allows the frame to be moved along a support, these mechanisms may be wheels, slides, bearings, bushings, or other carriers, the sides of the base being generally symmetrical. The idler shuttles also include an idler support frame that extends from the base at an angle, the angle may be perpendicular or any other angle, the idler support frame being mounted between the front portion and the rear portion, the front portion of the base being adapted for nesting within the rear portion of the base, so that several of the support frames can be nested against one another to reduce the overall space taken up by the shuttles when the conveyor system is in a retracted position.
REFERENCES:
patent: 4401206 (1983-08-01), Ikeda
patent: 4568232 (1986-02-01), Ray et al.
patent: 4925010 (1990-05-01), Pallasvirta
patent: 5490592 (1996-02-01), Best et al.
patent: 5498119 (1996-03-01), Faivre
patent: 6481566 (2002-11-01), Horak
Bidwell James R.
Crabtree Edwin H.
Pizarro Ramon L.
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