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 Title: |
US6240658:
Lightweight snowplow assembly
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Knutson, Gregory A.; Woodbury, MN 55129
Wilkerson, William W.; North St. Paul, MN 55109
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| Assignee: |
None
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| Published / Filed: |
2001-06-05
/ 1998-11-20
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| Application Number: |
US1998000196980
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| IPC Code: |
Advanced:
E01H 5/06;
Core:
E01H 5/04;
IPC-7:
E01H 5/04;
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| ECLA Code: |
E01H5/06;
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| U.S. Class: |
Current:
037/231;
037/272;
Original:
037/231;
037/272;
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| Field of Search: |
037/231,232,266,272,275,241
172/253,810,811,817
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| Priority Number: |
| 1998-11-20 |
US1998000196980 |
| 1997-11-20 |
US1997000065968P |
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| Abstract: |
A lightweight snowplow assembly for mounting to the front of a vehicle. The snowplow assembly is comprised of a V-shaped plow blade portion and a support structure. The plow blade portion includes a nose blade and adjacent side blades. Wear strip members are attached to the bottom of the blade portion and chute members are mounted to the top of each side blade. A mounting structure is attached to the support frame of the plow portion and is constructed and arranged to attach the snowplow assembly to the front of the vehicle. The mounting structure includes a mounting frame, a pair of bumper pads and top and bottom adjustable strap members. The strap members are attached to predetermined positions above and below the bumper of the vehicle.
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| Primary / Asst. Examiners: |
Will, Thomas B.; Markovich, Kristine M.
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| Maintenance Status: |
E2 Expired Check current status
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| INPADOC Legal Status: |
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| Parent Case: |
BACKGROUND OF THE INVENTION
This application claims the benefit of U.S. Provisional Application No. 60/065,968, filed Nov. 20, 1997.
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| Family: |
None
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First Claim:
Show all 17 claims |
That which is claimed is:
1. A snowplow assembly for attachment to the front of a vehicle having a front bumper, comprising:
- a. a snowplow blade portion;
- b. a support frame structure attached to said snowplow blade portion, said support frame structure is comprised of a nose blade frame member, a pair of side blade frame members, a center frame member and a pair of corner frame members;
- c. a vertically movable mounting structure for adjustably attaching said support frame structure of the snowplow blade portion to the front of a vehicle, said mounting structure having a mounting frame having at least one adjustable strap attached thereto, said mounting structure being constructed and arranged to move vertically with respect to said support frame structure; and
- d. a biasing structure connected between said snowplow blade portion and said mounting structure said mounting structure having a pair of U-channels attached to said mounting frame and said corner frame members of said support frame structure being positioned for movement in said U-channels of said mounting structure.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 18 U.S. patent(s) that reference this one
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