Handcart

A handcart comprising:

• a chassis unit;
• and
• a container unit configured to be detachably attached to the chassis unit,
• wherein
• the chassis unit includes:
• a front wheel unit rotatably supporting a front wheel;
• a rear wheel unit rotatably supporting a rear wheel;
• a chassis frame extending in a front-rear direction and supporting the front wheel unit and the rear wheel unit;
• and
• a prime mover configured to rotate at least one of the front wheel and the rear wheel as a drive wheel,
• the container unit is selected from a group including at least a first container unit and a second container unit,
• the first container unit includes:
• a first container;
• and
• a first container frame extending in the front-rear direction and supporting the first container,
• the second container unit includes:
• a second container;
• and
• a second container frame extending in the front-rear direction and supporting the second container, wherein
• the drive wheel includes a first wheel and a second wheel,
• the chassis unit further includes:
• a brake cable including a first cable and a second cable, the first cable configured to be advanced and retreated with respect to the second cable;
• a first pivoting member connected to the first cable and pivotably supported by the chassis frame;
• a second pivoting member connected to the second cable and pivotably supported by the chassis frame;
• a first brake caliper connected to the first pivoting member and configured to brake the first wheel;
• and
• a second brake caliper connected to the second pivoting member and configured to brake the second wheel.

A handcart comprising:

• a chassis unit;
• and
• a container unit configured to be detachably attached to the chassis unit,
• wherein
• the chassis unit includes:
• a front wheel unit rotatably supporting a front wheel;
• a rear wheel unit rotatably supporting a rear wheel;
• a chassis frame extending in a front-rear direction and supporting the front wheel unit and the rear wheel unit;
• and
• a prime mover configured to rotate at least one of the front wheel and the rear wheel as a drive wheel,
• the container unit is selected from a group including at least a first container unit and a second container unit,
• the first container unit includes:
• a first container;
• and
• a first container frame extending in the front-rear direction and supporting the first container, wherein the first container is configured to be movable with respect to at least a portion of the first container frame while the first container unit is attached to the chassis unit,
• the second container unit includes:
• a second container;
• and
• a second container frame extending in the front-rear direction and supporting the second container, wherein the second container is configured to be movable with respect to at least a portion of the second container frame while the second container unit is attached to the chassis unit, wherein
• the chassis unit further includes:
• a grip portion configured to be gripped by a user;
• a grip detection member configured to detect whether the user is gripping the grip portion or not;
• a mechanical brake configured to brake rotation of the drive wheel when the grip detection member does not detect that the user is gripping the grip portion
• a clutch mechanism disposed on a power transmission path from the prime mover to the drive wheel and configured to switch between a state in which power transmission from the prime mover to the drive wheel is allowed and a state in which the power transmission from the prime mover to the drive wheel is cut off;
• and
• an auxiliary brake mechanism disposed between the clutch mechanism and the drive wheel.

A handcart comprising:

• a chassis unit;
• and
• a container unit configured to be detachably attached to the chassis unit,
• wherein
• the chassis unit includes:
• a front wheel unit rotatably supporting a front wheel;
• a rear wheel unit rotatably supporting a rear wheel;
• a chassis frame extending in a front-rear direction and supporting the front wheel unit and the rear wheel unit;
• and
• a prime mover configured to rotate at least one of the front wheel and the rear wheel as a drive wheel,
• the container unit is selected from a group including at least a first type of container unit and a second type of container unit structurally different from the first type of container unit,
• the first type of container unit includes:
• a first type of container;
• and
• a first type of container frame extending in the front-rear direction and supporting the first type of container,
• the second type of container unit includes:
• a second type of container structurally different from the first type of container;
• and
• a second type of container frame structurally different from the first type of container frame, the second type of container frame extending in the front-rear direction and supporting the second type of container,
• wherein the first type of the container frame or the second type of container frame includes a movable support base, support arms, and a fixed support base, wherein the fixed support base is attached to the chassis unit and the movable support base is movable relative to the fixed support base, and
• the first type of container frame of the first type of container unit includes a first support base configured to support a tilting actuator, and the second type of container frame of the second type of container unit includes a second support base, different from the first support base, and configured to support a lifting actuator.

A handcart comprising:

• a chassis unit;
• and
• a container unit configured to be detachably attached to the chassis unit,
• wherein
• the chassis unit includes:
• a front wheel unit rotatably supporting a front wheel;
• a rear wheel unit rotatably supporting a rear wheel;
• a chassis frame extending in a front-rear direction and supporting the front wheel unit and the rear wheel unit;
• and
• a prime mover configured to rotate at least one of the front wheel and the rear wheel as a drive wheel,
• the container unit is selected from a group including at least a first type of container unit and a second type of container unit structurally different from the first type of container unit,
• the first type of container unit includes:
• a first type of container;
• and
• a first type of container frame extending in the front-rear direction and supporting the first type of container,
• the second type of container unit includes:
• a second type of container structurally different from the first type of container;
• and
• a second type of container frame structurally different from the first type of container frame, the second type of container frame extending in the front-rear direction and supporting the second type of container,
• the prime mover includes a motor,
• the chassis unit further comprises a battery mounting portion to which a battery is detachably attached, and
• the motor is configured to be driven by electric power from the battery,
• wherein the first type of container frame of the first type of container unit includes a first support base configured to support a tilting actuator, and the second type of container frame of the second type of container unit includes a second support base, different from the first support base, and configured to support a lifting actuator.