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US 12,702,093 B2Granted
Riding electric work machine with swing arm traction
AssigneeHonda Motor Co., Ltd.
InventorsNathaniel Artemis Lenfert, Travis Barkey, Christopher W. Vaughn, Scott J. Kaskawitz
Life of this patent
Estimating the term…
Abstract
A riding-type electric work machine including a vehicle body frame, an electrically driven operating unit, a swing arm swingably supported by the vehicle body frame, a traction motor held by the swing arm, a battery and a suspension coupled to the swing arm. The swing arm includes a housing base enclosing the traction motor and an arm connecting the housing base to the swing shaft.
Claims22
A riding-type electric work machine comprising:
- a vehicle body frame;
- an electrically driven operating unit supported by the vehicle body frame;
- a swing arm pivotably supported by the vehicle body frame through a swing shaft;
- a traction motor held by the swing arm;
- a battery supported by the vehicle body frame and configured to supply electric power to the traction motor and the operating unit;
- and
- a suspension coupled to the swing arm and the vehicle body frame, wherein
- the swing arm comprises:
- a mounting base for connecting to the traction motor;
- and a first arm connecting the mounting base to the swing shaft,
- wherein vehicle body frame includes an arm connector tab protruding downward from a bottom face of the vehicle body frame,
- the swing shaft of the swing arm is pivotably connected to the arm connector tab,
- the riding-type electric work machine further comprises a travel control unit configured to control the traction motor,
- wherein the swing arm comprises a right swing arm and a left swing arm disposed respectively on right and left of the vehicle body frame, and
- at least a part of the travel control unit is interposed between the right swing arm and the left swing arm,
- the arm connector tab comprises a right arm connector tab and a left arm connector tab disposed respectively on right and left of the vehicle body frame,
- at least a part of the travel control unit is interposed between the right arm connector tab and the left arm connector tab such that the travel control unit is covered by the right arm connector tab and the right swing arm in a right-side view of the riding-type electric work machine.
14 more elements
A riding-type electric work machine comprising:
- a vehicle body frame;
- an electrically driven operating unit supported by the vehicle body frame;
- a swing arm pivotably supported by the vehicle body frame through a swing shaft,
- wherein vehicle body frame includes an arm connector tab protruding downward from a bottom face of the vehicle body frame,
- the swing shaft of the swing arm is pivotably connected to the arm connector tab,
- the swing arm comprising a right swing arm and a left swing arm disposed respectively on right and left sides of the vehicle body frame;
- a battery supported by the vehicle body frame and configured to supply electric power to the operating unit;
- and
- a suspension coupled to the swing arm and the vehicle body frame;
- wherein
- the battery protrudes downward from the vehicle body frame, and at least a part of the battery is interposed between the right swing arm and the left swing arm,
- wherein the riding-type electric work machine further comprises a travel control unit disposed in front of the battery,
- at least a part of the travel control unit is interposed between the right swing arm and the left swing arm,
- the arm connector tab comprises a right arm connector tab and a left arm connector tab disposed respectively on right and left of the vehicle body frame,
- at least a part of the travel control unit is interposed between the right arm connector tab and the left arm connector tab such that the travel control unit is covered by the right arm connector tab and the right swing arm in a right side view of the riding-type electric work machine.
12 more elements
A riding-type electric work machine comprising:
- a vehicle body frame;
- an operating unit supported by the vehicle body frame;
- a swing arm pivotably supported by the vehicle body frame through a swing shaft;
- a traction motor held by the swing arm;
- a battery supported by the vehicle body frame and configured to supply electric power to the traction motor;
- and
- a drive wheel;
- wherein the swing arm comprises a mounting base for mounting the traction motor, and a speed reducer is disposed outward of the traction motor in a vehicular width direction and coupled to the traction motor;
- and at least a part of a unit composed of the speed reducer and the traction motor is disposed inside the drive wheel,
- wherein vehicle body frame includes an arm connector tab protruding downward from a bottom face of the vehicle body frame,
- the swing shaft of the swing arm is pivotably connected to the arm connector tab,
- the riding-type electric work machine further comprises a travel control unit configured to control the traction motor,
- wherein the swing arm comprises a right swing arm and a left swing arm disposed respectively on right and left of the vehicle body frame, and
- at least a part of the travel control unit is interposed between the right swing arm and the left swing arm,
- the arm connector tab comprises a right arm connector tab and a left arm connector tab disposed respectively on right and left of the vehicle body frame,
- at least a part of the travel control unit is interposed between the right arm connector tab and the left arm connector tab such that the travel control unit is covered by the right arm connector tab and the right swing arm in a right side view of the riding-type electric work machine.
13 more elements
Dependencies are inferred from the claim text.