Dual aperture spray tip cup gun
US8827183B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 4, 2008 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Mar 11, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B7/0846
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hand-held paint spray gun apparatus having a paint reservoir on the gun and reciprocating piston driven by a motor in the hand-held paint spray gun, the gun having a multiple orifice spray tip with a pair of apertures emitting generally fan or cone shaped overlapping spray patterns. A locking nut retains the cylinder to a motor frame and a frame carries the spray tip, with one of the nut and frame having a corrugated surface and the other of the locking nut and the spray tip frame having a plurality of protrusions engaging the corrugated surface. The protrusions are spaced apart circumferentially from each other and with respect to the spacing of a plurality of troughs and crests in the corrugated surface such that only one protrusion at a time is nested in a trough of the corrugated surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.