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).
First addition to a patent concerning improvements to the servo-brakes of motor vehicles.
| Identifier | ExFiles\Box 147\2\ scan0074 | |
| Date | 11th May 1939 guessed | |
| 1247 HRY C FIRST ADDITION TO PATENT No. 8 1 7 8 0 5 No. S 9 5 7 8 IMPROVEMENTS IN AND RELATING TO THE SERVO-BRAKES OF MOTOR VEHICLE Item No.1 of the Summary:- Improvements in and relating to the servo-brakes designed in accordance with the Main Patent, characterised by a direct connection between the second lever with sloping surfaces and the rod operated by the cam, the said connection being obtained, for instance, through the intermediary of the arm guiding the thrust sheave upon which the cam acts and of a small connecting rod. | ||