KINGPIN UNIT Russian patent published in 1996 - IPC

FIELD: automotive industry, tractor engineering; kingpin units for turning vehicle steerable wheels. SUBSTANCE: kingpin unit has journal, carrying part, kingpin installed in holes of lugs of journal and carrying part. Middle portion of kingpin is threaded. Polyhedron is made on end of kingpin to provided turning of kingpin in thread of lugs. Lugs are made in form of clamps with holes on ends for bolts. Kingpin unit is mounted as follows. Lower and upper kingpins are driven into holes of carrying part and are turned in along lug thread. Bolts are fitted in lug holes and lug ends are tightened up but nuts. To demount kingpin unit carry out above described operations in reverse sequence. In case of wear of lugs and carrying part surfaces, excessive clearance is formed between them. To adjust clearance back off upper bolt and turn upper kingpin by means of wrench to set required clearance. This dome, bolt is tightened up. EFFECT: simplified design and facilitated disassembling of kingpin unit. 2 dwg