| 主权项 |
1. In combination:
a load-bearing vehicle including first and second horizontally spaced-apart and longitudinally extending frame members having rearward and forward ends, and upper and lower ends; a first hanger bracket operatively secured to said first frame member; a second hanger bracket operatively secured to said second frame member; each of said first and second hanger brackets comprising:
(a) a vertically disposed outer side wall having an upper end, a lower end, a forward end, a rearward end, an inner side and an outer side;(b) a vertically disposed inner side wall which is horizontally spaced from said outer side wall and having an upper end, a lower end, a forward end, a rearward end, an inner side and an outer side;(c) a first end wall which is secured to said forward ends of said inner and outer side walls and which extends therebetween with said forward end wall having an upper end and a lower end;(d) a second end wall which is secured to said rearward ends of said inner and outer side walls and which extends therebetween with said second rearward wall having an upper end and a lower end;(e) a horizontally disposed top wall extending between said upper ends of said inner and outer side walls and which has a first end, a second end, an inner end, an outer end, a top side and a bottom side; said outer side wall having a horizontally disposed first slot, having first and second ends, formed therein below said upper end of said outer side wall; said outer side wall having a generally arcuate second slot, with first and second ends, formed therein below said first slot thereof; said inner side wall having a horizontally disposed first slot, having first and second ends, formed therein below said upper end of said inner side wall which is horizontally aligned with said first slot in said outer side wall thereof; said inner side wall having a generally arcuate second slot, having first and second ends formed therein below said first slot thereof which is horizontally aligned with said second slot in said outer side wall thereof; an inverted flat U-shaped first ring member secured to said outer side of said inner side wall so as to partially extend around said first slot in said inner side wall; said first ring member having inner and outer edges; said inner edge of said first ring member having a plurality of radially-spaced index notches formed therein; a flat first actuator plate having an upper end and a lower end; said first actuator plate having its upper end movably positioned within said inner edge of said first ring member; said upper end of said first actuator plate having a pointer extending upwardly therefrom which is positioned adjacent said index notches of said first ring member; said first actuator plate having a bolt opening formed therein at its said upper end; said first actuator plate having an adjustment opening formed therein at said lower end thereof which is positioned outwardly of said second slot in said inner side wall of said first hanger bracket; a flat first plate positioned outwardly of said upper end of said first actuator plate which is secured to said first ring member and said inner side wall of the hanger bracket; said flat first plate having a bolt head receiving opening formed therein configured to receive the head of a bolt; an inverted flat U-shaped second ring member secured to said outer side of said outer side wall so as to partially extend around said first slot in said outer side wall; said second ring member having inner and outer edges; said inner edge of said second ring member having a plurality of radially-spaced index notches formed therein; a flat second actuator plate having an upper end and a lower end; said second actuator plate having its upper end movably positioned within said inner edge of said second ring member; said upper end of said second actuator plate having a pointer extending upwardly therefrom which is positioned adjacent said index notches of said second ring member; said second actuator plate having a bolt opening formed therein at its said upper end; said second actuator plate having an adjustment opening formed therein at said lower end thereof; a flat washer, having a central opening, positioned at the outer side of said second actuator plate; an elongated bolt having a head portion and a threaded shank portion; said shank portion of said bolt extending through said bolt head receiving opening in said flat first plate, through said bolt opening in said first actuator plate, through said first ring member, through said first slot in said inner side wall, through said first slot in said outer side wall, through said second ring member and said bolt opening in said second actuator plate, and through said washer; a nut secured to said bolt outwardly of said washer; and said bolt being configured to have a bushing of an auxiliary axle rotatably mounted thereon between said inner and outer side walls of the hanger bracket. |
