Extra-large vibrating screen with duplex statically...

Details Extra-large vibrating screen with duplex statically... Extra-large vibrating screen with duplex statically...

2007-12-19

2011-12-13

Matthews, Terrell (Department: 3653)

Classifying, separating, and assorting solids

Sifting

Plane sifters

C209S236000, C209S309000, C209S322000, C209S364000, C209S409000

Reexamination Certificate

active

08074805

ABSTRACT:
An extra-large vibrating screen with duplex statically indeterminate mesh beam excitation body and plate type combined bearing beam comprises plate type flat and rigid statically indeterminate combined bearing beam (12) arranged in a screen box (1), a plurality of Y-shaped statically indeterminate combined reinforcing beams (5) arranged on the side plates (3) of the screen box alternately, duplex statically indeterminate supporting plates (22) linking a plurality of mesh beams (21) to the statically indeterminate connecting plate (4) and the side plate (3) so as to form a container made of a beam system, the vibration exciters (10) in the statically indeterminate mesh beam unit comprising eight sets of vibration exciters, which are aligned in pair horizontally and linked together through universal couplings (9), and connected to the duplex statically indeterminate mesh beam excitation body (11) to form a highly rigid integral vibrating assembly. The vibrating screen is simple and reliable in structure, can vibrate smoothly, and therefore can be widely used in coal, metallurgical, chemical, and environmental protection industries.

REFERENCES:
patent: 1621949 (1927-03-01), Overstrom
patent: 3704782 (1972-12-01), Hahn
patent: 4021337 (1977-05-01), Wehren
patent: 4319993 (1982-03-01), Krause
patent: 2329456 (1999-07-01), None
patent: 1446642 (2003-10-01), None
patent: 101011696 (2007-08-01), None
patent: 200995190 (2007-12-01), None
patent: 2 216 130 (1973-10-01), None
International Search Report, dated Mar. 6, 2008, corresponding to PCT/CN2007/003684.

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