IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0412611
(2012-03-05)
|
등록번호 |
US-8607901
(2013-12-17)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
10 |
초록
▼
A lawnmower drive system for facilitating steering of a zero turn radius lawn mower and enhancing user comfort while mowing a lawn includes a lawnmower has a seat for supporting a person on the lawnmower. The lawnmower has a left drive wheel and a right drive wheel. A left armrest is coupled to the
A lawnmower drive system for facilitating steering of a zero turn radius lawn mower and enhancing user comfort while mowing a lawn includes a lawnmower has a seat for supporting a person on the lawnmower. The lawnmower has a left drive wheel and a right drive wheel. A left armrest is coupled to the lawnmower. The left armrest is positioned proximate the seat. A right armrest is coupled to the lawnmower. The right armrest is positioned proximate the seat. A left joystick is coupled to the left armrest. The left joystick is operationally coupled to the left drive wheel. A right joystick coupled to the right armrest, the right joystick is operationally coupled to the right drive wheel.
대표청구항
▼
1. A lawnmower drive system comprising: a lawnmower having a seat configured for supporting a person on said lawnmower, said lawnmower having a left drive wheel and a right drive wheel;a left armrest coupled to said lawnmower, said left armrest being positioned proximate said seat;a right armrest co
1. A lawnmower drive system comprising: a lawnmower having a seat configured for supporting a person on said lawnmower, said lawnmower having a left drive wheel and a right drive wheel;a left armrest coupled to said lawnmower, said left armrest being positioned proximate said seat;a right armrest coupled to said lawnmower, said right armrest being positioned proximate said seat;a left joystick coupled to said left armrest, said left joystick being operationally coupled to said left drive wheel;a right joystick coupled to said right armrest, said right joystick being operationally coupled to said right drive wheel;a power source coupled to said lawnmower;a power takeoff port coupled to said lawnmower, said power takeoff port being mechanically coupled to said power source; anda switch mounted directly on one of said left joystick and said right joystick, said switch being operationally coupled to said power takeoff port whereby said power takeoff port is selectively activated by manipulation of said switch. 2. The system of claim 1, further including said left drive wheel and said right drive wheel being operationally independent from each other. 3. The system of claim 2, further comprising: a left drive motor coupled to said lawnmower, said left drive motor being operationally coupled to said left drive wheel; anda left hydrostatic pump coupled to said lawnmower, said left hydrostatic pump being operationally coupled to said left joystick and said left drive motor. 4. The system of claim 3, further including a hydraulic tank coupled to said lawnmower, said hydraulic tank being operationally coupled to said left hydrostatic pump. 5. The system of claim 4, further including a hydraulic filter coupled to a hydraulic line extending between said hydraulic tank and said left hydrostatic pump. 6. The system of claim 4, further including a hydraulic cooling unit coupled to a hydraulic line extending between said hydraulic tank and said left drive motor. 7. The system of claim 2, further comprising: a right drive motor coupled to said lawnmower, said right drive motor being operationally coupled to said right drive wheel; anda right hydrostatic pump coupled to said lawnmower, said right hydrostatic pump being operationally coupled to said right joystick and said right drive motor. 8. The system of claim 7, further including a hydraulic tank operationally coupled to said right hydrostatic pump. 9. The system of claim 8, further including a hydraulic filter coupled to a hydraulic line extending between said hydraulic tank and said right hydrostatic pump. 10. The system of claim 8, further including a hydraulic cooling unit coupled to a hydraulic line extending between said hydraulic tank and said right drive motor. 11. The system of claim 1, further including said left drive wheel and said right drive wheel being aligned with said seat. 12. The system of claim 1, further including said lawnmower having a pair of swiveled wheels positioned in spaced relationship to said left drive wheel and said right drive wheel whereby said lawnmower is configured for being supported in a level position on a support surface. 13. A lawnmower drive system comprising: a lawnmower having a seat configured for supporting a person on said lawnmower, said lawnmower having a left drive wheel and a right drive wheel, said left drive wheel and said right drive wheel being aligned with said seat, said left drive wheel and said right drive wheel being operationally independent from each other, said lawnmower having a pair of swiveled wheels positioned in spaced relationship to said left drive wheel and said right drive wheel whereby said lawnmower is configured for being supported in a level position on a support surface;a left armrest coupled to said lawnmower, said left armrest being positioned proximate said seat;a right armrest coupled to said lawnmower, said right armrest being positioned proximate said seat;a left joystick coupled to said left armrest, said left joystick being operationally coupled to said left drive wheel;a right joystick coupled to said right armrest, said right joystick being operationally coupled to said right drive wheel;a power source coupled to said lawnmower;a power takeoff port coupled to said lawnmower, said power takeoff port being mechanically coupled to said power source;a switch directly mounted on one of said left joystick and said right joystick, said switch being operationally coupled to said power takeoff port whereby said power takeoff port is selectively activated by manipulation of said switch;a left drive motor coupled to said lawnmower, said left drive motor being operationally coupled to said left drive wheel;a left hydrostatic pump coupled to said lawnmower, said left hydrostatic pump being operationally coupled to said left joystick and said left drive motor;a right drive motor coupled to said lawnmower, said right drive motor being operationally coupled to said right drive wheel;a right hydrostatic pump coupled to said lawnmower, said right hydrostatic pump being operationally coupled to said right joystick and said right drive motor;a hydraulic tank coupled to said lawnmower, said hydraulic tank being operationally coupled to said left hydrostatic pump, said hydraulic tank being operationally coupled to said right hydrostatic pump;a hydraulic line operationally coupled to said hydraulic tank, said left drive motor, said left hydrostatic pump, said right drive motor, and said right hydrostatic pump;a hydraulic filter coupled to said hydraulic line extending between said hydraulic tank and said left hydrostatic pump, said hydraulic filter coupled to said hydraulic line between said hydraulic tank and said right hydrostatic pump; anda hydraulic cooling unit coupled to a hydraulic line between said hydraulic tank and said left drive motor, said hydraulic cooling unit being coupled to said hydraulic line between said hydraulic tank and said right drive motor.
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