IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0540676
(2014-11-13)
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등록번호 |
US-9869067
(2018-01-16)
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발명자
/ 주소 |
- Barker, Chad Thomas
- Bloxdorf, David N.
- Curran, Matthew Thomas
- Dominguez, Christopher A.
- Kaminecki, Matthew Terran
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
81 |
초록
▼
A snow plow and mount assembly has a mount frame, an A-frame, a lift frame, a plow blade, an actuator, arms, receivers, recesses, hitch pins, a latch mechanism, and a latch lever. The elements are arranged such that the vehicle is driven toward the snow plow so that the arms are received in the rece
A snow plow and mount assembly has a mount frame, an A-frame, a lift frame, a plow blade, an actuator, arms, receivers, recesses, hitch pins, a latch mechanism, and a latch lever. The elements are arranged such that the vehicle is driven toward the snow plow so that the arms are received in the receivers, the actuator is energized to pivot the lift frame relative to the A-frame so that the hitch pins are received in the recesses, and the lever is moved to move the latch mechanism to the latched position. The snow plow frame is thereby removably secured to the mount frame.
대표청구항
▼
1. A snow plow and mount assembly comprising: a mount frame adapted to be secured to a vehicle,a snow plow frame having an A-frame and a lift frame pivotally connected relative to one another for pivoting movement about a generally transverse horizontal axis,a plow blade pivotally connected relative
1. A snow plow and mount assembly comprising: a mount frame adapted to be secured to a vehicle,a snow plow frame having an A-frame and a lift frame pivotally connected relative to one another for pivoting movement about a generally transverse horizontal axis,a plow blade pivotally connected relative to said A-frame for pivoting movement about a generally vertical axis,an actuator operably associated with said A-frame and said lift frame for imparting relative pivoting movement between said A-frame and said lift frame,one of said mount frame and said lift frame having first and second arms and the other of said mount frame and said lift frame having first and second receivers, each said arm having a recess in an end thereof, each said receiver having a hitch pin therein, said first and second arms received in respective ones of said first and second receivers upon relative movement therebetween towards one another, said hitch pins received in respective ones of said recesses upon relative movement therebetween towards one another,said lift frame having first and second latch pins, a latch lever, and a linkage connecting said latch lever to said latch pins, said lever and linkage for moving said latch pins to a latched position where respective ones of said latch pins secure said arms in said receivers, and for moving said latch pins to an unlatched position where said arms are free to move out of said receivers,wherein manually pivoting said latch lever in a first direction manually moves said latch pins to the latched position via said linkage and manually pivoting said latch lever in a second opposite direction manually moves said latch pins to the unlatched position via said linkage,said assembly operable such that when the vehicle is driven toward said snow plow said arms are received in said receivers, when said actuator is energized to pivot said lift frame relative to said A-frame in a first direction said hitch pins are received in said recesses, and when said lever is moved to move said latch pins to the latched position said snow plow frame is removably secured to said mount frame. 2. The assembly of claim 1 further comprising: a hole in each said arm and a corresponding hole in each said receiver, for each said latch pin, such that when said actuator is energized to further pivot said lift frame relative to said A-frame in the first direction after said hitch pins are received in said recesses said arm holes are aligned with said receiver holes, at which time said lever is moved to move said latch pins to the latched position thereby positioning said latch pins in said arm holes and in said receiver holes. 3. The assembly of claim 1 wherein said latch lever is a single latch lever operably associated with both said latch pins for moving said latch pins to the latched position and for moving said latch pins to the unlatched position. 4. The assembly of claim 1 wherein said arms are on said lift frame and said receivers are on said mount frame. 5. The assembly of claim 1 wherein said actuator is a hydraulic cylinder connected to said A-frame and to said lift frame. 6. The assembly of claim 1 wherein said plow blade is also pivotally connected relative to said A-frame for pivoting movement about a generally longitudinal horizontal axis. 7. The assembly of claim 1 further comprising: a trunnion, said trunnion and A-frame pivotally connected to one another for pivoting movement about a generally longitudinal horizontal axis, said lift frame and said trunnion pivotally connected to one another for pivoting movement about the generally transverse horizontal axis. 8. The assembly of claim 7 further including a resilient member operably associated with said pivotal connection of said trunnion and said A-frame to impart a degree of stiffness to said pivotal connection. 9. The assembly of claim 8 wherein said resilient member is a leaf spring. 10. A snow plow and mount assembly comprising: a mount frame adapted to be secured to a vehicle,a snow plow frame having an A-frame and a lift frame pivotally connected relative to one another for pivoting movement about a generally transverse horizontal axis,a plow blade pivotally connected relative to said A-frame for pivoting movement about a generally vertical axis,an actuator operably associated with said A-frame and said lift frame for imparting relative pivoting movement between said A-frame and said lift frame,one of said mount frame and said lift frame having first and second arms and the other of said mount frame and said lift frame having first and second receivers, each said arm having a recess in an end thereof, each said receiver having a hitch pin therein, said first and second arms received in respective ones of said first and second receivers upon relative movement therebetween towards one another, said hitch pins received in respective ones of said recesses upon relative movement therebetween towards one another,said lift frame having first and second latch pins and a latch lever operably associated with said latch pins for moving said latch pins to a latched position where respective ones of said latch pins secure said arms in said receivers, and for moving said latch pins to an unlatched position where said arms are free to move out of said receivers,said assembly operable such that when the vehicle is driven toward said snow plow said arms are received in said receivers, when said actuator is energized to pivot said lift frame relative to said A-frame in a first direction said hitch pins are received in said recesses, and when said lever is moved to move said latch pins to the latched position said snow plow frame is removably secured to said mount frame,a support stand pivotally connected to said A-frame for pivoting movement to an extended ground contacting and snow plow frame supporting position and to a retracted position at which said stand does not contact the ground and does not support said snow plow frame, said support stand biased toward the retracted position, anda link pivotally connected to said lift frame for pivoting movement between a deployed position and a stowed position,said link operably associated with said stand and said lever operably associated with said link such that, when said lever is moved to move said latch pins to the unlatched position said link moves to the deployed position, and when said actuator is energized to pivot said lift frame relative to said A-frame in a second direction said link contacts said support stand whereupon further pivoting of said lift frame relative to said A-frame in the second direction moves said support stand to the deployed position, and when said actuator is energized to pivot said lift frame relative to said A-frame in the first direction said support stand returns to the retracted position, and when said lever is moved to move said latch pins to the latched position said link moves to the stowed position. 11. The assembly of claim 10 further comprising a linkage mechanism interconnecting said latch pins, said lever, and said link. 12. A snow plow and mount assembly comprising: a mount frame adapted to be secured to a vehicle,a snow plow frame having an A-frame and a lift frame pivotally connected relative to one another for pivoting movement about a generally transverse horizontal axis,a plow blade pivotally connected relative to said A-frame for pivoting movement about a generally vertical axis,an actuator operably associated with said A-frame and said lift frame for imparting relative pivoting movement between said A-frame and said lift frame,one of said mount frame and said lift frame having first and second arms and the other of said mount frame and said lift frame having first and second receivers, each said arm having a recess in an end thereof, each said receiver having a hitch pin therein, said first and second arms received in respective ones of said first and second receivers upon relative movement therebetween towards one another, said hitch pins received in respective ones of said recesses upon relative movement therebetween towards one another,said lift frame having first and second latch pins and a latch lever operably associated with said latch pins for moving said latch pins to a latched position where respective ones of said latch pins secure said arms in said receivers, and for moving said latch pins to an unlatched position where said arms are free to move out of said receivers,said assembly operable such that when the vehicle is driven toward said snow plow said arms are received in said receivers, when said actuator is energized to pivot said lift frame relative to said A-frame in a first direction said hitch pins are received in said recesses, and when said lever is moved to move said latch pins to the latched position said snow plow frame is removably secured to said mount frame,wherein said plow blade is also pivotally connected relative to said A-frame for pivoting movement about a generally longitudinal horizontal axis,further comprising a two part push beam having a forward portion and a rearward portion, said blade mounted to said forward push beam portion, said rearward push beam portion pivotally connected to said A-frame for pivoting movement about the generally vertical axis, said forward and rearward push beam portions pivotally connected to one another for pivoting movement about the generally longitudinal horizontal axis. 13. The assembly of claim 12 further including a resilient member operably associated with said pivotal connection of said forward push beam portion to said rearward push beam portion to impart a degree of stiffness to said pivotal connection. 14. The assembly of claim 13 wherein said resilient member is a leaf spring. 15. The assembly of claim 12 wherein said forward and rearward push beam portions include cooperating limit structure for limiting a magnitude of pivoting movement that said forward push beam portion can pivot relative to said rearward push beam portion. 16. A snow plow and mount assembly comprising: a mount frame adapted to be secured to a vehicle,a snow plow frame having an A-frame and a lift frame pivotally connected relative to one another for pivoting movement about a generally transverse horizontal axis,a plow blade pivotally connected relative to said A-frame for pivoting movement about a generally vertical axis,an actuator operably associated with said A-frame and said lift frame for imparting relative pivoting movement between said A-frame and said lift frame,one of said mount frame and said lift frame having first and second arms and the other of said mount frame and said lift frame having first and second receivers, each said arm having a recess in an end thereof, each said receiver having a hitch pin therein, said first and second arms received in respective ones of said first and second receivers upon relative movement therebetween towards one another, said hitch pins received in respective ones of said recesses upon relative movement therebetween towards one another,said lift frame having a latch mechanism common to both said arms and both said receivers, said latch mechanism being manually actuatable to manually move said latch mechanism to a latched position for securing said arms in said receivers and to manually move said latch mechanism to an unlatched position for freeing said arms to move out of said receivers,said assembly operable such that when the vehicle is driven toward said snow plow said arms are received in said receivers, when said actuator is energized to pivot said lift frame relative to said A-frame in a first direction said hitch pins are received in said recesses, and when said latch mechanism is moved to the latched position said snow plow frame is removably secured to said mount frame. 17. A snow plow and mount assembly comprising: a mount frame adapted to be secured to a vehicle,a snow plow frame having an A-frame and a lift frame pivotally connected relative to one another for pivoting movement about a generally transverse horizontal axis,a plow blade pivotally connected relative to said A-frame for pivoting movement about a generally vertical axis,an actuator operably associated with said A-frame and said lift frame for imparting relative pivoting movement between said A-frame and said lift frame,one of said mount frame and said lift frame having first and second arms and the other of said mount frame and said lift frame having first and second receivers, each said arm having a recess in an end thereof, each said receiver having a hitch pin therein, said first and second arms received in respective ones of said first and second receivers upon relative movement therebetween towards one another, said hitch pins received in respective ones of said recesses upon relative movement therebetween towards one another,said lift frame having a latch mechanism movable to a latched position for securing said arms in said receivers and movable to an unlatched position for freeing said arms to move out of said receivers,said assembly operable such that when the vehicle is driven toward said snow plow said arms are received in said receivers, when said actuator is energized to pivot said lift frame relative to said A-frame in a first direction said hitch pins are received in said recesses, and when said latch mechanism is moved to the latched position said snow plow frame is removably secured to said mount frame,said latch mechanism has first and second latch pins and a hole in each said arm and a corresponding hole in each said receiver, for each said latch pin, and a lever for actuating said latch pins, such that when said actuator is energized to further pivot said lift frame relative to said A-frame in the first direction after said hitch pins are received in said recesses, said arm holes are aligned with said receiver holes, at which time said lever is moved to move said latch pins to the latched position thereby positioning said latch pins in said arm holes and in said receiver holes,wherein said arms are on said lift frame and said receivers are on said mount frame,wherein said actuator is a hydraulic cylinder connected to said A-frame and to said lift frame, andwherein said A-frame has a support stand pivoted thereto for pivoting movement to a retracted position in response to said lift frame being pivoted relative to said A-frame in the first direction by said actuator, and for pivoting movement to an extended position in response to said lift frame being pivoted relative to said A-frame in a second opposite direction by said actuator. 18. A snow plow and mount assembly comprising: a mount frame adapted to be secured to a vehicle,a snow plow frame having an A-frame and a lift frame pivotally connected relative to one another for pivoting movement about a generally transverse horizontal axis,a plow blade pivotally connected relative to said A-frame for pivoting movement about a generally vertical axis,an actuator operably associated with said A-frame and said lift frame for imparting relative pivoting movement between said A-frame and said lift frame,one of said mount frame and said lift frame having at least a first arm and the other of said mount frame and said lift frame having at least a first receiver, said arm having a recess in an end thereof, said receiver having a hitch pin therein, said arm received in said receiver upon relative movement therebetween towards one another, said hitch pin received in said recess upon relative movement therebetween towards one another,said lift frame having at least a first latch pin, a latch lever, and a linkage connecting said latch lever to said latch pin, said lever and linkage for moving said latch pin to a latched position where said latch pin secures said arm in said receiver, and for moving said latch pin to an unlatched position where said arm is free to move out of said receiver,wherein manually pivoting said latch lever in a first direction manually moves said latch pin to the latched position and manually pivoting said latch lever in a second opposite direction manually moves said latch pin to the unlatched position,said assembly operable such that when the vehicle is driven toward said snow plow said arm is received in said receiver, when said actuator is energized to pivot said lift frame relative to said A-frame in a first direction said hitch pin is received in said recess, and when said lever is moved to move said latch pin to the latched position said snow plow frame is removably secured to said mount frame.
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