Spreader with two rotatable plates

Details Spreader with two rotatable plates Spreader with two rotatable plates

2008-06-03

2008-06-03

Shaver, Kevin P. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Container for non-fluid material, and scattering means

Rotating scatterer

C239S505000, C239S578000, C239S685000, C239S687000

Reexamination Certificate

active

07380734

ABSTRACT:
A manually driven spreader for particulate material has two rotatable plates. The dispersed material from the spreader has an even dispense pattern without unwanted skewing found in prior art spreaders. The spreader covers greater area compared with single plate spreaders. The spreader has features that allow an operator to adjust the ports of the container during operation and also blocking/unblocking the ports without having to let go of the grip of the handle used to push the spreader.

REFERENCES:
patent: 2594084 (1952-04-01), Skibbe et al.
patent: 3114481 (1963-12-01), West
patent: 4597531 (1986-07-01), Kise
patent: 5203510 (1993-04-01), Courtney et al.
patent: 6047909 (2000-04-01), Simpson

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