The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 1987
Filed:
Apr. 01, 1985
John E Waldrum, Ambler, PA (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
A low drift spray apparatus for controllably continuously pivoting the nozzle during discharge of spray composition whereby the emitting spray pattern describes the frustum of a cone as the nozzle pivots includes a flexible tubular segment of the liquid supply line adjacent to the nozzle; a pivotal support adjacent the nozzle for pivotally supporting an end of the flexible tubular segment about a fixed point; a fixed support at the other end of the segment, the segment being axially compressed to cause lateral displacement of a portion thereof; and a reciprocating subassembly adapted to continuously move the laterally displaced portion in a circular path substantially about an axis consisting of a line between the ends of the segment.