An axle assembly for use in lawn tractors, pedestrian walk-behind mowers and snow blowers in the form of a housing having an internally disposed hydrostatic transmission and speed reducing gearing. An input shaft supported in the housing for driving a variable-displacement hydraulic pump of the hydr
An axle assembly for use in lawn tractors, pedestrian walk-behind mowers and snow blowers in the form of a housing having an internally disposed hydrostatic transmission and speed reducing gearing. An input shaft supported in the housing for driving a variable-displacement hydraulic pump of the hydrostatic transmission, the pump fluidly coupled to a fixed-displacement hydraulic motor of the hydrostatic transmission, and where the motor is drivingly connected through the speed reducing gearing to an output axle shaft or shafts. A mechanical differential disposed within said housing for applications requiring differential speeds of said axle output shafts. The housing being formed by three housing members and joined together along a substantially planar and horizontally peripheral seam formed therebetween such that two of said housing members are to one side of said seam and join with the third housing element. Two internal chambers formed by the three housing elements where one chamber contains the hydrostatic transmission and the other chamber contains the speed reducing gearing. A connecting shaft spanning between the chambers to provide the power transmission link between the hydrostatic transmission and the speed reducing gearing.
대표청구항▼
An axle assembly for use in lawn tractors, pedestrian walk-behind mowers and snow blowers in the form of a housing having an internally disposed hydrostatic transmission and speed reducing gearing. An input shaft supported in the housing for driving a variable-displacement hydraulic pump of the hydr
An axle assembly for use in lawn tractors, pedestrian walk-behind mowers and snow blowers in the form of a housing having an internally disposed hydrostatic transmission and speed reducing gearing. An input shaft supported in the housing for driving a variable-displacement hydraulic pump of the hydrostatic transmission, the pump fluidly coupled to a fixed-displacement hydraulic motor of the hydrostatic transmission, and where the motor is drivingly connected through the speed reducing gearing to an output axle shaft or shafts. A mechanical differential disposed within said housing for applications requiring differential speeds of said axle output shafts. The housing being formed by three housing members and joined together along a substantially planar and horizontally peripheral seam formed therebetween such that two of said housing members are to one side of said seam and join with the third housing element. Two internal chambers formed by the three housing elements where one chamber contains the hydrostatic transmission and the other chamber contains the speed reducing gearing. A connecting shaft spanning between the chambers to provide the power transmission link between the hydrostatic transmission and the speed reducing gearing. . 11. The target of claim 1, wherein the ramp portion is disposed at an angle of between about 20° and about 40° with respect to the plane of the bottom surface. 12. The target of claim 1, wherein the ramp portion is disposed at an angle of about 30° with respect to the plane of the bottom surface. 13. The target of claim 1, wherein the circular member has a diameter of between about 3.6 inches and about 4.6 inches. 14. The target of claim 1, wherein the circular member has a diameter of about 4.25 inches. 15. The target of claim 1, wherein the central portion of the member is vertically separated by about 0.04 inch to about 0.08 inch from the inner edge. 16. The target of claim 1, wherein the central portion of the member is vertically separated by about 0.06 inch from the inner edge. thod claimed in claim 6, further comprising arbitrarily modifying the corresponding reference. 8. The signal-output modulating method as claimed in claim 6, further comprising recognizing and processing an output level among the individual divisional output levels included in a predetermined level range to be a maximum level. 9. The signal-output modulating method as claimed in claim 6, further comprising recognizing and processing an output level among the individual divisional output levels included in a predetermined level range to be a minimum level. 10. An operating apparatus, comprising: (a) press-operational operation elements; (b) means for providing analog signals corresponding to press-operations performed on said operation elements; (c) means for dividing an output-level range of the analog signals into individual divisional output levels and for providing output analog signals by converting output levels of the analog signals to one of the individual divisional output levels; (d) means for converting the output analog signals to digital signals corresponding to the individual divisional output levels; and (e) means for shifting levels of the digital signals according to a predetermined corresponding reference level, so that the levels of the digital signals are within a specific output-level range. 11. The operating apparatus as claimed in claim 10, wherein said means for shifting permits the corresponding reference to be arbitrarily modified. 12. The operating apparatus as claimed in claim 10, wherein said means for dividing recognizes and processes an output level among the individual divisional output levels included in a predetermined level range to be a maximum level. 13. The operating apparatus as claimed in claim 10, wherein said means for dividing recognizes and processes an output level among the individual divisional output levels included in a predetermined level range to be a minimum level. 14. The operating apparatus as claimed in claim 10, wherein at least one of said pressure sensitive detector elements comprises a resistor and a deformable conductive element for varying the resistance of said resistor based on an amount of contact between said resistor and said conductive element. 15. An operating apparatus, comprising: (a) press-operational operation elements; (b) pressure sensitive detector elements, each one associated with one of the press-operational operation elements, for providing analog signals corresponding to press-operations performed on said operation elements, each analog signal having associated therewith an output-level range; (c) a level divider for dividing the output-level range of each one of the analog signals according to individual divisional output levels and for providing output analog signals by converting an output level of each analog signal to one of the individual divisional output levels; (d) an analog-digital (A-D) converter for converting the output analog signals to digital signals corresponding to the individual divisional output levels; and (e) a level corrector circuit for shifting levels of the digital signals according to a predetermined corresponding reference; wherein said level corrector circuit permits the corresponding reference to be modified according to control signals sent from an entertainment apparatus. 16. The operating apparatus as claimed in claim 15, wherein said level divider recognizes and processes an output level among the individual divisional output levels included in a predetermined level range to be a maximum level. 17. The operating apparatus as claimed in claim 15, wherein said level divider recognizes and processes an output level among the individual divisional output levels included in a predetermined level range to be a minimum level. 18. The operating apparatus as claimed in claim 15, wherein at least one of said pressure sensitive detector elements comprises a resistor and a deformable conductive element for var ying the resistance of said resistor based on an amount of contact between said resistor and said conductive element. 19. A signal-output modulating method for an operating apparatus including pressure sensitive detector elements for providing analog signals corresponding to press-operations performed on the operation elements, the method comprising: (a) dividing an output-level range of the analog signals into individual divisional output levels; (b) providing output analog signals by converting output levels of the analog signals to one of the individual divisional output levels; (c) converting the output analog signals to digital signals; (d) shifting levels of the digital signals according to a predetermined corresponding reference; and (e) modifying the predetermined corresponding reference according to control signals sent from an entertainment apparatus. 20. The signal-output modulating method as claimed in claim 19, further comprising recognizing and processing an output level among the individual divisional output levels included in a predetermined level range to be a maximum level. 21. The signal-output modulating method as claimed in claim 19, further comprising recognizing and processing an output level among the individual divisional output levels included in a predetermined level range to be a minimum level. 22. An operating apparatus comprising: (a) press-operational operation elements; (b) means for providing analog signals corresponding to press-operations performed on said operation elements; (c) means for dividing an output-level range of the analog signals into individual divisional output levels and for providing output analog signals by converting output levels of the analog signals to one of the individual divisional output levels; (d) means for converting the output analog signals to digital signals corresponding to the individual divisional output levels; and (e) means for shifting levels of the digital signals according to a predetermined corresponding reference; wherein said means for shifting permits the corresponding reference to be modified according to control signals sent from an entertainment apparatus. 23. The operating apparatus as claimed in claim 22, wherein said means for dividing recognizes and processes an output level among the individual divisional output levels included in a predetermined level range to be a maximum level. 24. The operating apparatus as claimed in claim 22, wherein said means for dividing recognizes and processes an output level among the individual divisional output levels included in a predetermined level range to be a minimum level. 25. The operating apparatus as claimed in claim 22, wherein the means for providing includes at least one pressure sensitive detector element comprising a resistor and a deformable conductive element for varying the resistance of said resistor based on an amount of contact between said resistor and said conductive element.
Thoma Christian H. (Chalet Abaco ; Green Road St. Clement ; Jersey GB3) Arnold George D. M. (Balmain House ; Undercliffe Road St. Helier ; Jersey GB3), Variable speed transaxle.
von Kaler Roland L. (Tecumseh MI) Havens Dale I. (Addison MI) Thoma Christian H. (St. Clement GB3) Arnold George D. (St. Helier GB1), Variable speed transaxle.
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