Patents Assigned to Stiansen & Oya A/S
  • Patent number: 4570367
    Abstract: A front-mounted, shock-absorbing attachment means for a snowplow on a vehicle, comprising a substantially vertical front plate with fastening means for detachable mounting of the snowplow. The upper section of the front plate is pivotally secured to the frame of the vehicle, and its lower section, via buffer cylinders adjustable in length and pivotally fastened at one end thereof to the front plate, is supported against the front wheel axle of the vehicle by means of respective brackets which are rigidly clamped to respective brackets which are rigidly clamped to respective leaf spring assemblies in front of the front wheel axle and which rest directly or indirectly against the leaf spring assembly.
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: February 18, 1986
    Assignee: Stiansen & Oya A/S
    Inventor: Anders Oya
  • Patent number: 4565018
    Abstract: A plow frame for a front-mounted snowplow, for example, of the type in which the shovel blade can be set in crosswise, diagonal or V-configurations, which via a linkage system with a coupling frame is detachably fastened to a coupling frame on a vehicle. The plow frame has a front part to which the shovel blade is fastened and a rear part to which the linkage system is fastened, said two parts being mutually pivotable about an axis disposed in the direction of movement of the plow. The parts have facing slide plates joined together by a pivot bolt which constitutes said axis of rotation. Each of the slide plates has a pair of opposing projections at the upper and lower sections thereof, respectively, and between said upper and lower projections damper members are provided which preferably are rubber dampers in cylinders.
    Type: Grant
    Filed: January 16, 1985
    Date of Patent: January 21, 1986
    Assignee: Stiansen & Oya A/S
    Inventor: Anders Oya