DEVICE FOR COUPLING REGISTRATION AND STEADY ARMS OF CONTACT SYSTEM Russian patent published in 1994 - IPC

FIELD: dc and ac contact systems; mounting and repair equipment. SUBSTANCE: registration arm 1 with post 2 is connected by droppers 3 and clamps 4 to carrier cable 5. Steady arm 6 is connected by upper end through closed eye 7 with open eye 8 of post 2 and is connected by lower end with working contact wire 10 through clamp. Eyes 7 and 8 have detachable two-unit L-shaped coupler 11 made of rigid bar. Free end of coupler 11 in first unit is installed, through insulating polymer bushing 12, gaskets 13 and washer 14, in split eye 8 of post 2 from top and it is hinge-connected for instance through hole 15 and is fixed by cotter pin 16 and insulated. Other end of coupler 11 is connected through second hinge joint unit with eye 7 through open eye 17 in this end. Longer service life of eyes 7 without demounting of post 2 and arm 1 is provided as tolerable wear of joint of eye 17 of coupler 11 and eye 7 of steady arm 6 is increased. EFFECT: increased service life. 3 dwg