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).
Patent specification document detailing claims for disc-covered wheels.
| Identifier | ExFiles\Box 147\3\ scan0165 | |
| Date | 30th November 1934 | |
| 4 427,149 a hole in the hub cap and is located in position in a hole or slot formed in or carried by the hub shell. 8. Disc-covered wheels according to Claim 1 in which the free end of the valve extension has an auxiliary valve adapted to open and close with the valve on the wheel rim. 9. Disc-covered wheels according to the preceding claims in which the free end of the valve extension is provided with a screwed collar adapted to take a seating in a recess formed around the opening in the disc, hub cap or the like, and to receive a sealing cap. 10. Disc-covered wheels fitted with pneumatic tyres in which the free end of a tyre valve extension is located and adapted for use substantially in any of the ways herein described and shown in the accompanying drawings. Dated this 30th day of November, 1934. T. FLETCHER WILSON, LL.B., Fellow of the Chartered Institute of Patent Agents, National Provincial Bank Chambers, Coventry, Agent for the Applicants. Leamington Spa: Printed for His Majesty's Stationery Office, by the Courier Press.—1935. | ||