Dust cap for a support column of a bulk material belt conveyor
United States Patent D608519

Swinderman, Robert Todd (Palm Coast, FL, US)
Application Number:
Publication Date:
Filing Date:
Martin Engineering Company (Neponset, IL, US)
Primary Class:
Other Classes:
International Classes:
(IPC1-7): 1205
Field of Search:
D34/29, 452/184, 198/699.1, 198/390, D8/499, 198/836.3, 198/392, D8/396, D8/395, 198/852, 198/853, 452/169, 452/177, D34/35, 198/850
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US Patent References:
D601414Snow retention deviceOctober, 2009Riley et al.D8/499
20090223782PACKAGING MACHINE WITH ADJUSTABLE LANESSeptember, 2009Martin et al.198/617
D516767Rotatable article engaging assemblyMarch, 2006LayneD34/29
D505065Snow guardMay, 2005Smeja et al.D8/499
D426366Conveyor puckJune, 2000PetrovicD34/29
D412769Conveyor puckAugust, 1999PetrovicD34/29
D388583Accelerator vane for a centrifugeDecember, 1997GlaunD34/29
D379298Door edge padMay, 1997Bowen et al.D8/402
5471799Snow guardDecember, 1995Smeja et al.52/24
D360476Snow guardJuly, 1995Smeja et al.D25/199
D329588Cord clipSeptember, 1992Michel, Jr.D8/395
1638267Steel conveyer chain and linkAugust, 1927Morehead et al.198/690.2

Other References:
Plastic Short Column Protector, date unknown, 1 page, http://www.bascousa.com/store/item.aspx?ITEM—ID=1041.
Plastic Premium Column Protector, date unknown, 2 pages, http://www.bascousa.com/store/item.aspx?ITEM—ID=1042.
Photograph of showing (in the region circled) a vertically oriented frame I-beam column having an angled plate welded thereto adjacent the column's base, Oct. 16, 2002, 1 page.
Primary Examiner:
Attorney, Agent or Firm:

1. I claim the ornamental design of a dust cap for a support column of a bulk material belt conveyor, as shown and described.


FIG. 1 illustrates a top view of the dust cap design in accordance with the invention.

FIG. 2 illustrates a front view of the dust cap shown in FIG. 1.

FIG. 3 illustrates a bottom view of the dust cap shown in FIGS. 1 and 2.

FIG. 4 illustrates a right-side view of the dust cap shown in FIGS. 1–3.

FIG. 5 illustrates a left-side view of the dust cap shown in FIGS. 1–4.

FIG. 6 illustrates a rear view of the dust cap shown in FIGS. 1–5.

FIG. 7 is a perspective view of the top and sides of the dust cap shown in FIGS. 1–6; and,

FIG. 8 is a perspective view of the bottom of the dust cap shown in FIGS. 1–7.

The broken lines shown in the figures are intended to show environment, but form no part of the claimed design.