Monorail for counterweight frames

Claim 1

A GUIDE ELEMENT FOR GUIDING THE VERTICAL PASSAGE OF A MOVABLE BODY IN A HOISTWAY, SAID ELEMENT BEING COMPOSED THROUGHOUT ITS LENGTH AND BREADTH OF BENT SHEET METAL, SAID METAL BEING FORMED INTO A PAIR OF OPPOSITELY DISPOSED C-SHAPED GUIDE SECTIONS AND A PAIR OF OPPOSITELY FASTENING SECTIONS, EACH SAID GUKDE SECTION BEING FORWARDLY DISPLACED FROM AND SUPPORTED THROUGHOUT ITS LENGTH ON A CONJUGANTE FLANGED FASTENING SECTION BY A CONTINUOUS SHEET OF METAL PLATE, SAID PAIRED GUIDE AND FLANGE SECTIONS BEING SUPPORTED AND BRACED ONE FROM THE OTHER A SUITABLE DISTANCE BY A CENTRAL WEB SECTION OF SHEET METAL PLATE, SAID CENTRAL WEB SECTION BEING PERMANENTLY JOINED ALONG ITS RIGHT AND LEFT EDGE EXTREMITIES TO THE GUIDE SUPPORTING SECTION INTERMEDIATE THE CONJUGATE FLANGED AND GUIDE SECTIONS, SAID JOINING BEING SUBSTANTIALY CONTINUOUS THROUGHOUT THE VERTICAL DIMENSION OF THE CONNECTED WEB SECTION AND AT A POSITION MORE MEARLY APPROCHING THE GUIDE SECTIONS THAN THEIR CONJUGATE FLANGED SECTIONS.