From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Complete specification document for an improved method of securing wheel discs to an automobile.
| Identifier | ExFiles\Box 147\3\ scan0148 | |
| Date | 2nd July 1938 | |
| Provisional No. 19691 Filed 2nd July 1938. PATENTS AND DESIGNS ACTS 1907 to 1938 COMPLETE SPECIFICATION WHEEL DISCS I, SHADWELL HARRY GRYLLS of "Marizion" Lime Avenue, Duffield, near Derby, England a British Subject do hereby declare the nature of this invention and in what manner the same is to be performed, to be particularly described and ascertained in and by the following statement :- This invention is for an improved method for securing wheel discs to an automobile and is concerned with a disc on the outside of the spokes of the wheel. It is common practice to secure the wheel hub shell to the hub of an automobile by a nut threaded on to the end of the hub. According to this invention the disc consists of a shallow dished or cone shaped member having a central hole through which the end of the hub is adapted to pass and a rim adapted to rest against the rim of the wheel, the said nut bears against the disc and causes the same to be slightly 1 ENCLOSURE No 726 | ||