Abstract: A plow for mounting to a vehicle is disclosed. The plow can include a moldboard having a movable cutting edge and an adjustable bias trip mechanism having a biasing member preferably in the form of a spring. The adjustable trip mechanism can be arranged with the cutting edge of the moldboard to urge the cutting edge to a plowing position. The spring can be cooperatively arranged with a retainer, a pin for example, at one or more retaining positions to impart a preload biasing force upon the spring that varies according to the retaining position selected. The preload biasing force can act as a trip resistance force which must be overcome before the cutting edge moves. A lever tool can be provided for adjusting the spring.

Abstract: A plow for mounting to a vehicle is disclosed. The plow can include a moldboard having a movable cutting edge and an adjustable bias trip mechanism having a biasing member preferably in the form of a spring. The adjustable trip mechanism can be arranged with the cutting edge of the moldboard to urge the cutting edge to a plowing position. The spring can be cooperatively arranged with a retainer, a pin for example, at one or more retaining positions to impart a preload biasing force upon the spring that varies according to the retaining position selected. The preload biasing force can act as a trip resistance force which must be overcome before the cutting edge moves. A lever tool can be provided for adjusting the spring.

Abstract: A hitch for hitching a plow to a vehicle. The hitch includes a vehicle portion and a plow portion. The vehicle portion includes a mounting member having a substantially planar face. The plow can be pivotally mounted to the plow portion of the hitch. The plow portion of the hitch can be removably mounted to the vehicle portion of the hitch. The plow portion can include a pair of clamping members with one clamping member being movable with respect to the other clamping member. The plow portion can also include a lift assembly for moving the plow between a plowing position and an elevated position.

Abstract: A hitch for hitching a plow to a vehicle is disclosed. The hitch includes a vehicle portion and a plow portion. The vehicle portion includes a mounting member having a substantially planar face. The plow can be pivotally mounted to the plow portion of the hitch. The plow portion of the hitch can be removably mounted to the vehicle portion of the hitch. The plow portion can include a pair of clamping members with one clamping member being movable with respect to the other clamping member. The plow portion can also include a lift assembly for moving the plow between a plowing position and an elevated position.

Abstract: A plow for mounting to a vehicle is disclosed. The plow can include a moldboard having a movable cutting edge and an adjustable bias trip mechanism having a biasing member preferably in the form of a spring. The adjustable trip mechanism can be arranged with the cutting edge of the moldboard to urge the cutting edge to a plowing position. The spring can be cooperatively arranged with a retainer, a pin for example, at one or more retaining positions to impart a preload biasing force upon the spring that varies according to the retaining position selected. The preload biasing force can act as a trip resistance force which must be overcome before the cutting edge moves. A lever tool can be provided for adjusting the spring.

Abstract: A vehicle snowplow system with an adjustable-bias tripping mechanism. The system includes a snowplow blade or moldboard which is pivotally mounted to a frame, the latter being adapted for mounting to a vehicle. The moldboard "trips" or pivotally moves between a normal plowing position and a displaced position when a lower region of the moldboard contacts a rigid obstruction. The system includes at least one biasing assembly operable to bias the moldboard toward the normal position with a biasing force, the biasing assembly configured so as to provide an adjustment to the biasing force to compensate for variances in roadway or environmental conditions.