Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Lucien Ferraz et Cie SA
Original Assignee
Lucien Ferraz et Cie SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lucien Ferraz et Cie SAfiledCriticalLucien Ferraz et Cie SA
Priority to ES1971173897UpriorityCriticalpatent/ES173897Y/en
Publication of ES173897UpublicationCriticalpatent/ES173897U/en
Application grantedgrantedCritical
Publication of ES173897YpublicationCriticalpatent/ES173897Y/en
Frictional contact device, for electrically connecting a wheel of a vehicle on rails to a non-rotating part thereof, and more especially to the sliding sleeve on which the wheel is mounted in rotation in the case of vehicles of variable spacing, characterized in that it comprises, on the one hand, a tubular brush box, open at its two ends, the profiled hole of which can be slidably received by a contact brush and, on the other hand, a closing lid of one of the ends of this box, being integral cover of an elongated plate or sheet which, when the cover is placed, extends parallel to the brush in a corresponding lateral slot of the hole in the box, which sheet has at its free end the attachment point of a ribbon spring that it rolls over on itself and whose wound part acts on the brush to push it towards the open end of the box. (Machine-translation by Google Translate, not legally binding)