Snowplow and blade having triangular rotatable cutting block teeth
First Claim
1. A blade assembly for attachment to the moldboard of a snowplow comprising:
- at least one block forming a blade and having a triangular-shaped cross-section, said at least one block having a leading edge for engaging snow to be plowed;
means for mounting said at least one block on said blade assembly such that when said leading edge of said at least one block encounters an obstacle, said leading edge rotates rearwardly, overrides said obstacle, and returns the succeeding surface of said at least one block to a snow-engaging position; and
means for attaching said blade assembly to the moldboard of a snowplow.
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Accused Products
Abstract
A long wearing plow blade which automatically overrides road surface irregularities and obstacles and returns to a snow-engaging position is provided which may be mounted on either the moldboard of a conventional snow plow or on the plow of the present invention. The improved snow plow of the present invention has a substantially horizontal deck trailing the plow blade. A vertically extending deflector baffle with a forwardly-extending upper lip which is integral with the deck guides snow to the side of the plow. The deflector baffle initially tangentially contacts snow being plowed, and in combination with the deck, results in a plow which is less susceptible to the formation of vision-obscuring clouds of snow and side slip when in use.
84 Citations
13 Claims
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1. A blade assembly for attachment to the moldboard of a snowplow comprising:
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at least one block forming a blade and having a triangular-shaped cross-section, said at least one block having a leading edge for engaging snow to be plowed; means for mounting said at least one block on said blade assembly such that when said leading edge of said at least one block encounters an obstacle, said leading edge rotates rearwardly, overrides said obstacle, and returns the succeeding surface of said at least one block to a snow-engaging position; and means for attaching said blade assembly to the moldboard of a snowplow. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A snowplow for a vehicle comprising:
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a blade assembly for plowing snow;
said blade comprising at least one block forming a blade and having a triangular-shaped cross-section and a leading edge for engaging snow to be plowed, means for mounting said at least one block on said blade assembly such that when said leading edge of said at least one block encounters an obstacle, said leading edge rotates rearwardly, overrides said obstacle, and returns the succeeding surface of said at least one block to a snow-engaging position;means for securing said blade assembly to a substantially horizontal deck trailing said blade; substantially vertically extending deflector baffle means integral with said deck for guiding snow to the side of said plow, the leading edge of said deflector baffle means being substantially parallel to the direction of movement of said plow; means mounted on said plow for supporting said deck and deflector baffle means and adjusting the height of said deck above the surface to be plowed; and means for mounting said plow to a vehicle. - View Dependent Claims (8, 9, 10, 11)
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12. A snowplow for a vehicle comprising:
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a plow moldboard; a blade assembly comprising at least one block forming a blade and having a triangular-shaped cross-section, said at least one block having a leading edge for engaging snow to be plowed;
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13. means for mounting said at least one block on said blade assembly such that when said leading edge of said at least one block encounters on obstacle, said leading edge rotates rearwardly, overrides said obstacle, and returns the succeeding surface of said at least one block to a snow-engaging position;
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means for attaching said blade assembly to said moldboard of said snowplow.
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Specification