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This invention relates, generally, to the coating of articles with lacquers, varnishes, and ect.,and the invention has reference, more particularly, to anovel dipping machine for dipping articles in lacquers or other coating compostions for the purpose of coating the articles.20353
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Dipping machines heretofore used for coating articles have generally been somewhat unsatisfactory in use owing to the tendency of such machine to form rings or ridges on the articles coating due largely to vibrations set up by motor driven gearing, etc. Also, such machines ofttimes operate at improper speeds resulting in the lacquer or other coating material, thereby greatly detracting from the appearance of the articles coated.
The principal object of the present invention is to provide a novel dipping machine that is so constructed and arranged as to overcome the above objections, the said machine being adapted to rapidly produce perfectly coated objects in quantity.
Another object of the present invention lies in the provision of a novel dipping machine of the above character having means for elevating and lowering the container of elevating and lowering the container of coating material with respect to the work or articles being coated, the latter being held stationary.
Still another object of the present invention is to provide a novel dipping machine of simple, rugger and reliable construction ,the said machine being easily operated and economically maintained.
Other objects of this invention ,not at this time more particularly enumerated ,will be clearly understood from following detailed description of the same.
The invention is clearly illustrated in the accompanying drawings, in which:
Fig.1 is a view in front elevation of the dipping machine, the front panel of the machine being broken away to better illustrate the construction of the machine.
Fig.2 is a view in side elevation of the machine, one side panel being broken away to better illustrate the machine.
Fig.3 is plan view of the machine with parts broken away.
Fig.4 is a sectional view taken along line 4-4 of Fig.3 looking in the direction of the arrows and illustrating the machine in operation, and Fig.5 is a front perspective view of the structure shown in Fig.4 with the coating material container broken away.
Similar characters of reference are employed in said views to indicate corresponding parts.
Referring now to the said drawing ,the reference numeral 1 designates the frame of the four angle bar uprights that are interconnected and braced by horizontal angle bars.2. a table 3 is fixed upon the top of the frame 1. Upstanding brackets 4 are mounted upon the end portions of table 3,the said brackets 4 being adjustable within limits longitudinally of table 3 by means of bolts 20 and slots 36.
Two of the brackets 4 are mounted on each end portion of the table 3 and are interconnected by horizontal bars 5 that are attached at their ends to the brackets 4 as by wing bolts 6. The wing bolts 6 extend through any selected horizontally aligned pair of a plurality of brackets 4 at each end of the table. Thus, by removing wing bolts 6 from one pair of apertures 7 and inserting them in another lower or higher pair of apertures 7, the bars 5 may be raised or lowered.
The bars 5 are adapted to support a horizontal panel 8 provided preferably with a plurality of apertures 9 that may be of various sizes for frictionally receiving and supporting stems 10 carrying suspended work pieces or articles 11 to be coated (see Fig.4 and 5). A coating material container 12 is adapted to be positioned below the panel 8, the said container 12 being mounted upon a vertically movable rectangular platform 13. Platform 13 is fixed upon the upper end of a piston rod 14 that extends downwardly through an aperture in table 3, through the upper head or end of a hydraulic cylinder 15, and has a piston 16 fixed to its lower end for reciprocating within cylinder 15. As especially shown in Fig.4 the piston 16 is preferably provided with a downwardly directed cup leather 17 for preventing the passage of water upwardly past the piston 16.