![]() ![]() The plumb bob of claim 10 wherein the means for affixing said pointed end includes a conical support collar, said support collar defining a first axially threaded bore.ġ2. Said plastic shell formed with a continuous smooth surfaced knobbed extension at its larger end, said extension adapted to receive a flexible support member on said axis.ġ1. Means for affixing a pointed member to said relatively low-density frustoconical plastic shell at the smaller end thereof, coincident with said axis and In combination with a surveyor's reel a plumb bob comprising: Said lateral bore having a larger diameter than said axial bore.ġ0. The plumb bob of claim 1 wherein the knobbed extension defines an axial bore and further defines a lateral bore intersecting said axial bore, said knobbed extension further defining a continuous smoothly curved top portion connecting the outer surface of said extension and said bore The plumb bob of claim 1 wherein the shell and the metallic core define an axial bore.ĩ. ![]() The plumb bob of claim 6 wherein said plastic shell is a high visibility color.Ĩ. ![]() The plumb bob of claim 1 wherein said plastic shell is comprised of an opaque polycarbonate.ħ. Said flat surface forming a mating surface with said shoulder and with said shoulder defining means for resisting relative rotation of said support collar relative said shell.Ħ. The plumb bob of claim 4 wherein the frustoconical plastic shell defines a shoulder at its smaller end adjacent the threaded boss and further wherein the support collar includes a flat surface at its larger end The plumb bob of claim 3 wherein the relatively low-density frustoconical plastic shell defines at its smaller end a threaded boss adapted to receive the second axially threaded counterbore of the conical support collar.ĥ. The plumb bob of claim 2 wherein the conical support collar defines a second axially threaded counterbore.Ĥ. The plumb bob of claim 1 wherein the means for affixing a pointed end includes a conical support collar, said support collar defining a first axially threaded bore.ģ. Said plastic shell having a continuous smooth surfaced knobbed extension at its larger end adapted to receive a flexible support member on said axis.Ģ. Means for affixing a pointed member to said relatively low-density frustoconical plastic shell at the smaller end thereof and coincident with said axis Price to be matched does Not include discounts from any loyalty or membership programs.A relatively low-density frustoconical plastic shell defining an axis and surrounding said metallic core.This offer applies only to advertised online price of identical items (brand and model#) for sales by Duncan-Parnell and other survey and mapping dealers.Just call our toll-free geospatial customer service line at 1-83 Find a lower advertised price another retailer/company with the same brand and model #, and let us know within 14 days of your purchase.Purchase an eligible item (largely those from our geospatial category of products).That’s why we’re offering you our Price Match Guarantee on select products on our website.* If you find a lower price on any geospatial item (identical brand and model#) we sell, we’ll match it, up to 2 weeks after you purchase it. Not only have we been partners to the survey, engineering and construction industry for decades, but we want to make sure your shopping experience at Duncan-Parnell is worry-free.
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