IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0543824
(2009-08-19)
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등록번호 |
US-7793440
(2010-10-04)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Louis Berkman Winter Products Company
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대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
13 |
초록
▼
A snowplow assembly may include a moldboard frame and a moldboard. The moldboard frame may include an angle member operatively connected to a top member, wherein a space is defined between the angle member and the top member. The moldboard frame may also include a first stop member. The moldboard ma
A snowplow assembly may include a moldboard frame and a moldboard. The moldboard frame may include an angle member operatively connected to a top member, wherein a space is defined between the angle member and the top member. The moldboard frame may also include a first stop member. The moldboard may include a first recess near a top portion of the moldboard. The top portion of the moldboard is positioned within the space between the angle member and the top member. The first stop member is positioned in the first recess.
대표청구항
▼
I claim: 1. A snowplow assembly comprising: a moldboard frame comprising: a substantially horizontal top member defining a top of the moldboard frame; a substantially horizontal bottom member defining a bottom of the moldboard frame, the bottom member spaced apart from the top member; a plurality o
I claim: 1. A snowplow assembly comprising: a moldboard frame comprising: a substantially horizontal top member defining a top of the moldboard frame; a substantially horizontal bottom member defining a bottom of the moldboard frame, the bottom member spaced apart from the top member; a plurality of spaced apart rib members having a first end fixedly attached to the top member and a second end fixedly attached to the bottom member; an angle member operatively connected to the top member, wherein a space is defined between a first portion of the angle member and the top member; and, a first stop member operatively connected to the angle member; and, a moldboard formed of polyethylene, the moldboard comprising: a first recess near a top portion of the moldboard; and, a longitudinal axis, a first transverse axis, and a second transverse axis substantially perpendicular to the first transverse axis; wherein the top portion of the moldboard is positioned within the space between the first portion of the angle member and the top member for maintaining the position of the moldboard along the first transverse axis in relation to the moldboard frame; wherein the first stop member is positioned in the first recess for maintaining the position of the moldboard along the longitudinal axis in relation to the moldboard frame; and, wherein a bottom portion of the moldboard is operatively attached to the bottom plate for maintaining the position of the moldboard along the second transverse axis in relation to the moldboard frame. 2. The snowplow assembly of claim 1 wherein the moldboard frame further comprises a second stop member operatively connected to the angle member, the moldboard further comprising a second recess near the top portion of the moldboard, wherein the second stop member is positioned in the second recess for maintaining the position of the moldboard along the longitudinal axis in relation to the moldboard frame. 3. The snowplow assembly of claim 2 wherein the moldboard further comprises a first curvilinear edge and a spaced apart second curvilinear edge, and wherein the first curvilinear edge includes the first recess and the second curvilinear edge includes the second recess. 4. The snowplow assembly of claim 3 wherein the first stop member is fixedly attached to a first end of the first portion of the angle member, and wherein the second stop member is fixedly attached to a second end of the first portion of the angle member. 5. The snowplow assembly of claim 1 wherein a transverse axis of the first portion of the angle member is substantially parallel to a transverse axis of the top member. 6. The snowplow assembly of claim 5 wherein the first stop member is substantially rectangular, the first stop member including a longitudinal axis substantially perpendicular to both the transverse axis of the first portion of the angle member and the transverse axis of the top member. 7. The snowplow assembly of claim 1 wherein the moldboard frame further comprises a spring plate for operatively attaching one end of a trip spring. 8. The snowplow assembly of claim 1 wherein the moldboard is formed of a high-molecular-weight polyethylene. 9. The snowplow assembly of claim 1 further comprising a deflector operatively attached to the top angle. 10. The snowplow assembly of claim 1 further comprising a trip mechanism. 11. A snowplow assembly comprising: a moldboard frame comprising: a substantially horizontal top member defining a top of the moldboard frame; a substantially horizontal bottom member defining a bottom of the moldboard frame, the bottom member spaced apart from the top member; a plurality of spaced apart rib members having a first end fixedly attached to the top member and a second end fixedly attached to the bottom member; an angle member operatively connected to the top member, wherein a space is defined between a first portion of the angle member and the top member, and wherein a transverse axis of the first portion is substantially parallel to a transverse axis of the top member; a first stop member fixedly attached to a first end of the first portion of the angle member; and a second stop member fixedly attached to a second end of the first portion of the angle member; and, a moldboard formed of polyethylene, the moldboard comprising: first and second recesses near a top portion of the moldboard; a first curvilinear edge and a spaced apart second curvilinear edge, wherein the first curvilinear edge includes the first recess and the second curvilinear edge includes the second recess; and, a longitudinal axis, a first transverse axis, and a second transverse axis substantially perpendicular to the first transverse axis; wherein the top portion of the moldboard is positioned within the space between a first portion of the angle member and the top member for maintaining the position of the moldboard along the first transverse axis in relation to the moldboard frame; wherein the first stop member is positioned in the first recess for maintaining the position of the moldboard along the longitudinal axis in relation to the moldboard frame; wherein the second stop member is positioned in the second recess for maintaining the position of the moldboard along the longitudinal axis in relation to the moldboard frame; and, wherein a bottom portion of the moldboard is operatively attached to the bottom plate for maintaining the position of the moldboard along the second transverse axis in relation to the moldboard frame. 12. The snowplow assembly of claim 11 wherein the first and second stop members are substantially rectangular, the first and second stop members each including a longitudinal axis substantially perpendicular to both the transverse axis of the first portion of the angle member and the transverse axis of the top member. 13. A method comprising the steps of: providing a moldboard frame including a substantially horizontal top member defining a top of the moldboard frame, a substantially horizontal bottom member defining a bottom of the moldboard frame, the bottom member spaced apart from the top member, a plurality of spaced apart rib members having a first end fixedly attached to the top member and a second end fixedly attached to the bottom member, an angle member operatively connected to the top member, wherein a space is defined between a first portion of the angle member and the top member, and a first stop member operatively connected to the angle member; providing a moldboard formed of polyethylene, the moldboard including a first recess near a top portion of the moldboard, a longitudinal axis, a first transverse axis, and a second transverse axis substantially perpendicular to the first transverse axis; inserting the top portion of the moldboard within the space between the first portion of the angle member and the top member for maintaining the position of the moldboard along the first transverse axis in relation to the moldboard frame; positioning the top portion of the moldboard so that the first stop member is located within the first recess for maintaining the position of the moldboard along the longitudinal axis in relation to the moldboard frame; attaching a bottom portion of the moldboard to the bottom plate for maintaining the position of the moldboard along the second transverse axis in relation to the moldboard frame. 14. The method of claim 13 wherein the moldboard frame further comprises a second stop member operatively connected to the angle member, wherein the moldboard further comprising a second recess near the top portion of the moldboard, and wherein the step of positioning the top portion of the moldboard further comprises positioning the top portion of the moldboard so that the second stop member is located within the second recess for maintaining the position of the moldboard along the longitudinal axis in relation to the moldboard frame. 15. The method of claim 14 wherein the moldboard further comprises a first curvilinear edge and a spaced apart second curvilinear edge, and wherein the first curvilinear edge includes the first recess and the second curvilinear edge includes the second recess. 16. The method of claim 15 wherein the first stop member is fixedly attached to a first end of the first portion of the angle member, and wherein the second stop member is fixedly attached to a second end of the first portion of the angle member. 17. The method of claim 13 wherein a transverse axis of the first portion of the angle member is substantially parallel to a transverse axis of the top member. 18. The method of claim 17 wherein the first stop member is substantially rectangular, the first stop member including a longitudinal axis substantially perpendicular to both the transverse axis of the first portion of the angle member and the transverse axis of the top member. 19. The method of claim 13 wherein the moldboard frame further comprises a spring plate for operatively attaching one end of a trip spring. 20. The method of claim 13 wherein the moldboard is formed of a high-molecular-weight polyethylene.
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