SEAT VIBRATION ISOLATING SUSPENSION Russian patent published in 1997 - IPC

FIELD: mechanical engineering; vibration protection of operator. SUBSTANCE: vibration isolating suspension protects operator from vertical vibrations, low frequency horizontal vibrations directed along axes X and Y owing to reduction of summary rigidity of resilient hanger at displacements in horizontal plane. This is provided by excluding influence of resilience of rigidity corrector cables on total rigidity of suspension in horizontal directions. For this purpose middle part of rigidity corrector cables is secured on bushing symmetrically relative to central hole through which rod is passed with radial clearance. One end of rod is connected with bearing support for adjusting displacement. Limiter secured on opposite end permits free movement of bushing only in horizontal plane. Quasi-zero rigidity mode of operation in vertical plane is implemented owing to use of rigidity corrector. EFFECT: improved vibration protection of operator. 2 cl, 4 dwg