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Olaus "O.C." Wold's 1909 Patent

(Click on the picture below to see the full size patent drawing. I've cleaned them up and converted them to the .GIF format. WARNING, they are 80kb+ files and are a slow download but worth it. Opens in a new window!)

Olaus Wold's 1909 patent is for a double action, external mix airbrush that uses a linkage to move the needle in the ink nozzle housing (#8) that sits atop the front of the airbrush body. The paint cup then fits into an opening in the ink nozzle housing, Fig. 4, #7. The basic idea of this airbrush was to stop the paint from clogging the air nozzle and to keep the paint or ink from leaking into the body of the airbrush. There are two errors in the drawing that confuse how the airbrush operates. One is the misnumbering in Fig 4 where the opening #7 should be marked as #17. The second is in the top view "Fig a" where the paint cup is incorrectly shown attached to the body instead of the ink nozzle, #8.

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If anyone would like copies of any of the patents on the site, e-mail me and I'll gladly send them to you. The files are small in kb size (346kb for the 5 pages of the Peeler patent) but they are physically large (290" x 426") and they are in .TIF format. That means you'll need a viewer that can open .TIF's and resize them. No problem, Irfan View to the rescue. Click on one of the buttons below to go and download it. Its free (although he'd appreciate a postcard) and is the best viewer around. It also plays audio!