| 摘要 |
FIELD: motor-cyclist's accessories. SUBSTANCE: motor-cyclist's headwear has helmet, chin rest, viewing shield and retainer. Chin rest and viewing shield are rotating about pins provided with symmetrical flats positioned at their both sides. Attachment and rotation openings of chin rest and viewing shield are made split up to their peripheral portions, with width of split portion being equal to distance between pin flats. Chin rest retainer has pins with symmetrical flats pivotally secured to helmet and provided with carriers positioned outside helmet. Chin rest lower parts are provided with openings having diameter equal to that of pins and with recess extending to peripheral portion of chin rest and having width equal to distance between pin flats. When helmet is put onto motor-cyclist's head, opening recesses are normally extending in horizontal plane, pin flats are disposed perpendicular to recesses and carriers of retainer pins are spring-loaded relative to surface of chin rest. Signaling arrangement mounted on helmet is adapted to double signaling device on motor-cycle and work in synchronism with it. EFFECT: increased efficiency, improved safety and enhanced reliability in operation. 7 dwg
|
