Flexi-Lubri Covers for Public-service Vehicles A NOVEL type of Desmo I'lexi-Lubri
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cover has been designed for use on the steering joints of public-service vehicles. The cover closely resembles the usual Desmo pattern, but in order that the joint shall be open to inspection, a Zipp fastener has been incorporated, so that when this is in the closed position the joint is completely covered, but when open the whole of the ball pin can easily be seen. The fastener has a locking device.
It might be thought that dirt, etc., would clog the Zipp fastener, but the maker, Demo, Ltd., Desmo House, Stafford Street, Birmingham, in view of tests that have been carried out to prove the point, is confident that this will not happen, whilst the metal employed is non-corrosive.
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The Minister of Transport has been communicated with in respect of this device, and, prima facie, he is of the opinion that the Flexi-Lubri cover with Zipp fastener, when newly fitted, does not contravene Regulation 16/d of the Public Service Vehicles (Conditions of Fitness) Provisional Regulations 1931. as amended by the Public Service Vehicles (Conditions of Fitness) (Amendment) (No. 4) Provisional Regulations 1932, which deals with dust-excluding covers. He expressed doubt, however, as to whether the cover would continue to comply with the regulation if the fastener became clogged with dirt or if the rubber were adversely affected by the lubricant in the joint, but these are criticisms which the tests already made have apparently disposed of.