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George Frederick Newman
Harry Alonzon Louks
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Structures Of Non-Positive Displacement Pumps
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Abstract
11,455. Newman, G. F., and Louks, H. A. May 20. Window, ventilator, and like opening and closing apparatus. - A d - justable ball and thrust bearings f, g are fitted to a fanlight, window, or ventilator opener, or analogous apparatus in w h i c h motion is transmitted to a distance by means of screw-and-nut and helical or worm gearing. The races f are loose, or formed in, or secured to, the nut or helical wheel a, and the cups g may be screwed in place and locked by set-screws, or one of them may be solid with the casing b. The driver d may be similarly fitted.
GB190311455D1903-05-201903-05-20Improvements in Regulators or Mechanism for Operating Fanlight Openers, Ventilators and for Analogous Purposes
ExpiredGB190311455A
(en)