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US 5,325,928 AGranted
Power-driven edger with on-center wheel
AssigneeBlack & Decker Inc.
InventorsRobert P. Wagster, Vernon R. Lacher, John S. Vantran
Life of this patent
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AssigneeBlack & Decker Inc.
InventorsRobert P. Wagster, Vernon R. Lacher, John S. Vantran
Estimating the term…
An electric edger having a transversely mounted electric motor for rotationally driving a vertically oriented cutting blade. The edger is supported by a pair of auxiliary rear wheels and a large on-center front or main wheel that is journalled to a hub that is mounted directly to the exterior of the motor field casing so that the wheel rotates about the motor. The rotational axis of the on-center wheel is substantially aligned with the cutting blade axis and the plane of the wheel is substantially aligned with the center of gravity of the motor subassembly. This configuration, together with the large diameter of the wheel, improves the balance and maneuverability of the edger, particularly around irregularly shaped borders and over uneven terrain, without increasing the overall dimensions of the unit.
A power edger having a front and rear defining fore and aft directions and including a substantially vertically oriented cutting blade and further including drive means including a transversely disposed electric motor having a rotational axis and a circumferential casing, for rotatably driving said substantially vertically oriented cutting blade, wherein the axis of rotation of said cutting blade is substantially aligned in the fore and aft direction with the axis of said motor and wherein said drive means has associated therewith a center of gravity, comprising:
A power edger comprising a housing having a front and rear;
A power edger having a front and rear and including a substantially vertically oriented cutting blade and further including drive means including a transversely disposed electric motor having a rotational axis and a circumferential casing, for rotatably driving said substantially vertically oriented cutting blade, wherein said drive means has associated therewith a center of gravity, comprising:
Dependencies are inferred from the claim text.