SNOWPLOW ATTACHMENT FOR PUSHING AND PULLING SNOW UP CLOSE TOBUILDINGS OR OTHER PERMANENT STRUCTURES

摘要

A snowplow attachment for mounting to the front end of a vehicle that includ es both a push blade operable during forward movement of vehicle and a pull bla de operable during reverse movement of the vehicle. The pull blade drops down i n front of the push blade such that pushed snow can then be pulled back. The snowplo w can get up close to permanent structures such as buildings and remove snow therefrom. During the push mode, the pull blade is raised to avoid interference with pushed snow. The snowplow can include side plates located on the ends of the blades for containing the snow and prevent snow from escaping out the sides, thereby increasing th e volume of snow moved by the plow during one sweep. According to one embodiment of t he present invention, the snowplow includes a push blade assembly that is adapt ed to mount directly on the vehicle and a movable pull blade carried by the push blade assembly. According to another embodiment of the invention, separate push blades and pull blades are arranged at separate locations on the attachment such th at the entire attachment pivots to alternatively locate one of the blades close to the ground for selecting between pushing or pulling modes.