CANTILEVER FOR SUPPORTING LIVE CABLES OF RAILWAY, TROLLEY AND SUBWAY LINES

摘要

A CROSS ARM FOR SUPPORTING LIVE RAILWAY, TROLLEY AND SUBWAY LINES COMPRISING A CROSS-MEMBER (8) FITTED WITH MEANS OF CONNECTION TO AN ASSOCIABLE SUPPORT STRUCTURE (16), AT LEAST A FIRST ELECTRIC INSULATOR (20) JOINED TO THE CROSS-MEMBER (8) AND ABLE TO SUPPORT A FIRST LIVE ELECTRIC CABLE, ELECTRICALLY INSULATING IT FROM SAID CROSS-MEMBER (8). ADVANTAGEOUSLY, THE CROSS-MEMBER (8) COMPRISES A BODY (24) HAVING A MAINLY LONGITUDINAL (X-X) EXTENSION AND AT LEAST A FIRST ATTACHMENT PORTION (28) FITTED WITH A ‘U’ SHAPED PROFILE ABLE TO FORM A SHAPED COUPLING WITH SAID FIRST ELECTRIC INSULATOR (20). THE FIRST ATTACHMENT PORTION (28) DEFINES A FIRST SEAT (32) FOR THE CONTINUOUS ADJUSTMENT OF THE LONGITUDINAL POSITION OF THE ELECTRIC INSULATOR (20) ALONG THE CROSS-MEMBER ITSELF. THE MOST ILLUSTRATIVE DRAWING IS FIG. 1.