IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0136309
(2008-06-10)
|
등록번호 |
US-8132834
(2012-03-13)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
16 |
초록
▼
A tool for retrieving animal waste is effective in complete removal as it deploys at its end a row of tines that are inserted beneath the solid waste so that is can be lifted from the ground as the first step for proper disposal. The waste is then removed from the tines by a plate that pushes it off
A tool for retrieving animal waste is effective in complete removal as it deploys at its end a row of tines that are inserted beneath the solid waste so that is can be lifted from the ground as the first step for proper disposal. The waste is then removed from the tines by a plate that pushes it off into a waste receptacle.
대표청구항
▼
1. A method of removing animal waste, the method comprising the steps of: a) providing a tool having a lateral lifting surface at one end, a plate disposed over said lifting surface for sweeping waste off the lifting surface when loaded thereon, wherein the lifting surface and plate are disposed at
1. A method of removing animal waste, the method comprising the steps of: a) providing a tool having a lateral lifting surface at one end, a plate disposed over said lifting surface for sweeping waste off the lifting surface when loaded thereon, wherein the lifting surface and plate are disposed at the bottom of a shaft that has a top and a bottom, wherein the lifting surface is a plurality of spaced apart tines,b) inserting the lifting surface under the waste to be removed,c) lifting the shaft upward to remove the waste from the ground,d) transporting the waste to a disposal container,e) translating the plate over the lifting surface to urge the waste there from whereby it falls in the disposal container. 2. The method of removing animal waste according to claim 1, wherein the plate is translated by a spring biased actuator. 3. The method of removing animal waste according to claim 1 wherein the tool further comprises: a) a handle on top of the shaft,b) in which the spaced apart tines are disposed in a first common plane, and substantially horizontal and coupled to the bottom of the shaft that extends substantially vertically upward from the first common plane,c) wherein at least a portion of the plate is disposed immediately above said plurality of tines,d) an actuator coupling said handle to said plate wherein the operation of said actuator via said handle urges said plate to move in said first common plane substantially sweeping over said plurality of tines. 4. The method of removing animal waste according to claim 3, wherein said plate further comprises a lower portion that has an interdigitated contoured lower edge that extends around at least a portion of the tines in said plurality of tines. 5. The method of removing animal waste according to claim 4, wherein the actuator comprises a pair of hinged arms that unfold to translate the plate across the tines. 6. The method of removing animal waste according to claim 3, wherein said actuator further comprises a spring to bias the plate to a lateral position when the handle does not engage the actuator. 7. The method of removing animal waste according to claim 6, wherein energy stored in said spring urges the plate forward to remove waste from the tines when the actuator is not engaged. 8. The method of removing animal waste according to claim 3, wherein the actuator rotates said plate in the first common plane. 9. The method of removing animal waste according to claim 8, wherein the tines have a curvilinear shape. 10. The method of removing animal waste according to claim 3, wherein the tool further comprises a pair of guide rails disposed at opposite sides of the plurality of tines that extend in the direction of the movement of said plate, the guide rails being disposed above the first common plane, the guide rails being coupled to at least one of said plate and the bottom of the shaft. 11. The method of removing animal waste according to claim 10, wherein the guide rails are coupled to the bottom of the shaft and extend through mating holes in said plate as said plate is moved in response to said actuator. 12. The method of removing animal waste according to claim 10, wherein said plate further comprises a lower portion that has an interdigitated contoured lower edge that extends around at least a portion of the tines in said plurality of tines. 13. The method of removing animal waste according to claim 1, wherein the spaced apart tines are straight. 14. The method of removing animal waste according to claim 1, wherein the spaced apart tines have a circular cross-section. 15. A method of removing animal waste, the method comprising the steps of: a) providing a tool having a lateral lifting surface at one end, a plate disposed over said lifting surface for sweeping waste off the lifting surface when loaded thereon, wherein the lifting surface and plate are disposed at the bottom of a shaft that has a top and a bottom,b) inserting the lifting surface under the waste to be removed,c) lifting the shaft upward to remove the waste from the ground,d) transporting the waste to a disposal container,e) translating the plate over the lifting surface to urge the waste there from whereby it falls in the disposal container,f) wherein the plate is translated over the lifting surface by an actuator comprising;i. a cable,ii. a first and second rotary coupling in rotary engagement via connection to opposite ends of the cable,iii. an actuating handle coupled to turn the first rotary coupling,iv. a gear coupled to the second rotary coupling,v. a spring coupled to the gear coupling,vi. wherein the handle causes the rotation of the first rotary coupling and the plate is urged forward via the gear coupled to the second rotary coupling and said spring is coupled to the gear to resist the rotation of the second rotary coupling. 16. The method of removing animal waste according to claim 15, wherein the lifting surface is a plurality of spaced apart tines. 17. The method of removing animal waste according to claim 16, wherein the tool further comprises a pair of guide rails, wherein each of the guide rails being disposed above the tines that are disposed at side edges of the plate in order to preclude waste from falling off sides of the tines. 18. The method of removing animal waste according to claim 15 wherein the second rotary coupling has gear teeth and the gear is a flat gear track coupled to the plate to engage the gear teeth of the second rotary coupling. 19. A method of removing animal waste, the method comprising the steps of: a) providing a tool having a lateral lifting surface at one end, a plate disposed over said lifting surface for sweeping waste off the lifting surface when loaded thereon, wherein the lifting surface and plate are disposed at the bottom of a shaft that has a top and a bottom,b) inserting the lifting surface under the waste to be removed,c) lifting the shaft upward to remove the waste from the ground,d) transporting the waste to a disposal container,e) translating the plate over the lifting surface to urge the waste there from whereby it falls in the disposal container,f) wherein the plate is translated by an actuating means comprising a pair of hinged arms that unfold to translate the plate across the lifting surface. 20. The method of removing animal waste according to claim 19, wherein the actuating means is at least one torsion spring is coupled to an arm that is hinged at a rotary connection thereof.
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