A vehicle comprising: a front wheel set and a rear wheel set, each set comprising two wheels and an axle attached to the said wheels; a base structure or chassis; a front elastic pivot structure, connecting the front wheel set to the chassis, wherein said front elastic pivot structure comprises a front set of at least one elastic joint, enabling the chassis to tilt along a front roll axis in respect to the said front wheel set; a front shock absorber, associated with the front wheel set; a rear elastic pivot structure, associated with the rear wheel set, wherein said rear elastic pivot structure comprises a rear set of at least one elastic joint, enabling the chassis to tilt along a rear roll axis in respect to the said rear wheel set; and a rear shock absorber, associated with the rear wheel set.

A rotation locking device includes a locking module and at least one engaging member. The at least one engaging member is rotatably coupled to the locking module. The locking module is configured to engaging and disengage the at least one engaging member, thereby refraining the at least one engaging member from rotating relative to the locking module.

Disclosed is a tilting structure of a mobility device, the tilting structure including: a base frame; a tilting bar coupled to the base frame to be able to rotate in two side directions on a rotational center fixed to the base frame; front wheels having a rotary shaft fixed to steering knuckles vertically extending; first connection links each having a first end rotatably coupled to the steering knuckle and a second end rotatably coupled to the base frame; second connection links each having a first end rotatably coupled to the steering knuckle at a position spaced over or under the coupling position of the first connection link and a second end rotatably coupled at a position spaced apart from the rotational center of the tilting bar; and shock-absorbing members each having a first end fixed to the base frame and a second end connected to the steering knuckle, the first connection link, or the second connection link.

Disclosed is a forecarriage of a rolling motor vehicle with three or four wheels, comprising: a forecarriage frame; at least a pair of front wheels kinematically connected one to each other and to the forecarriage frame by means of a first kinematic mechanism which enables the front wheels to roll in a synchronous and specular manner, each wheel being connected to said rolling kinematic mechanism by means of a respective axle journal, the latter being mechanically connected to a rotation pin of the wheel in order to support it rotatably around an axis of rotation; means of suspension which provide each axle journal at least one spring suspension movement with respect to said rolling kinematic mechanism; a steering device which kinematically connects the axle journals to each other so as to command the rotation of the axle journals around respective steering axes of each front wheel.

A vehicle includes: a vehicle body; three or more wheels; an operation input unit to be operated to input a turning direction; and a lean mechanism for leaning the vehicle body in its width direction. Within at least partial range of vehicle velocity, the vehicle is configured to travel in a mode in which the vehicle body is leaned by the lean mechanism according to an input into the operation input unit, and a steering angle of a steered wheel changes following a lean of the vehicle body. And, the vehicle includes a changing device for changing a turn resistance force acting between the vehicle body and the steered wheel.

A tilting car frame comprising a lower center frame including a horizontal member, a first support member, a second support member, and first and second horizontal link members each having a vertical link. A rotation center axis support extends from a center of the horizontal member. A first variable length lever link is slidably connected to the first support member and is facing the rotation center axis support, and a second variable length lever link is slidably connected to an end of the second support member that is facing the rotation center axis support. A rotating member having first and second extension members is rotatably connected to the rotation center axis support, wherein the first extension member is hinged to an end of a first variable length link member, and the second extension member is hinged to an end of a second variable length link member.

A tilt control system for a sidecar and a motorcycle. The tilt control system can include a main frame, a tilting frame, and an actuator. The actuator can be coupled to the main frame and to the tilting frame, and can be configured to control tilting of the tilting frame relative to the main frame. The tilt control system can include a sensor, and a controller in communication with the actuator and the sensor. The controller can be configured to determine an operating parameter based on sensor data received from the sensor, compare the operating parameter to a threshold criteria, and cause the actuator to control the orientation of the tilting frame relative to main frame, based on the comparison of the operating parameter to the threshold criteria.

A drive unit of a robotic vehicle including a top surface having a mounting interface to interchangeably couple with multiple different modular payload structures configured to transport items in a facility, workspace or inventory management environment. The mounting interface is configured to securely engage with a mounting portion of the variety of different payload structures to enable a versatile exchange of the payload structure for different conveyance applications. The drive unit includes an electrical interface to communicatively couple with the modular payload structures. The drive unit is configured to use data communicated via the electrical coupling and interface to identify a type of modular payload structure that is mechanically coupled to the mounting interface and implement a motion profile (e.g., speed and acceleration parameters) associated with the identified modular payload structure.

Motor vehicle forecarriage (8) comprising a forecarriage frame (16), a pair of front wheels (10, 10) kinematically connected to the forecarriage frame (16) by means of an articulated quadrilateral (20), said articulated quadrilateral (20) comprising a pair of cross members (24, 24), hinged to the forecarriage frame (16) at middle hinges (28), said cross members (24, 24) being connected to each other at opposite transverse ends (40, 44), by means of uprights (48, 48, 48) pivoted to said transverse ends (40, 44) at side hinges (52), the cross members (24, 24) and the uprights (48), the tilting support structure (72) being hinged to the articulated quadrilateral (20) by means of steering hinges (76) a guide wheel (88) connected to the rotation pin (68) of front wheel (10, 10) at a special wheel attachment (94), a support bracket (92) hinged to the articulated quadrilateral (20) by means of said steering hinges (76), the guide wheel (88) being in turn hinged to the support bracket (92) at opposite upper and lower axial ends (96, 98).

The present invention relates to a forecarriage of a rolling motor vehicle with three or four wheels, comprising: a forecarriage frame; at least one pair of front wheels kinematically connected to each other and to the forecarriage frame by means of a first kinematic mechanism which enables the front wheels to roll in a synchronous and specular manner, each wheel being connected to the first kinematic mechanism by means of a respective axle journal the latter being mechanically connected to a rotation pin of the wheel in order to support it rotatably around an axis of rotation, a roll block system; suspension means which guarantee each axle journal at least one spring suspension movement with respect to said first kinematic mechanism.