Joint and cover assembly for trolley electrification system

Claim 1

A MEMBER FOR COVERING THE EXPOSED ENDS OF ALIGNED SECTIONS OF CONDUCTOR BAR JOINED IN END-TO-END RELATION COMPRISING AN ELONGATED MEMBER MOLDED FROM RESILIENT PLASTIC AND HAVING OPEN ENDS, SAID MEMBER HAVING A CROSS-SECTIONAL CONFIGURATION COMPRISING A CLOSED, GENERALLY CIRCULAR END PORTION INTEGRAL WITH TANGENTIAL, GENERALLY PLANAR SIDE PORTIONS, SAID SIDE PORTIONS CONVERGING TOWARDS ONE ANOTHER TO FORM A NARROW GAP, SAID MEMBER INCLUDING A FIRST PAIR OF INWARDLY EXTENDING INTEGRAL BOSSES RESPECTIVELY LOCATED NEAR THE JUNCTURE OF SAID SIDE OF PORTIONS, WITH SAID GENERALLY CIRCULAR END PORTION, SAID BOSSES BEING FORMED AT AN ANGLE WITH RESPECT TO SAID SIDE PORTIONS AND INCLINED TOWARD SAID CLOSED, GENERALLY CIRCULAR END PORTION, AN INTEGRAL BOSS LOCATED PROXIMATELY AT THE CENTER OF SAID CLOSED, GENERALLY CIRCULAR END PORTION AND EXTENDING DOWNWARDLY, GENERALLY PERPENDICULAR TO THE INTERIOR SURFACE OF THE COVER MEMBER AT THIS POINT, AND A SECOND PAIR OF INWARDLY EXTENDING INTEGRAL BOSSES INCLINED WITH RESPECT TO SAID SIDE PORTIONS TOWARD SAID CLOSED END AND RESPECTIVELY LOCATED APPROXIMATELY HALF WAY BETWEEN SAID FIRST PAIR OF BOSSES AND THE ENDS OF SAID CONVERGING SIDES; EACH OF THE SAID BOSSES COMPRISING GENERALLY AN ELONGATED POLYHEDRON.