An overridable failsafe brake apparatus for a vehicle is provided. The overridable failsafe brake apparatus includes (a) a lever accessible from outside the vehicle, the lever being operable at a first position and a second position; (b) a brake; and (c) a spring having a first end coupled to the lever and a second end coupled to the brake. (d) The lever disposed in the first position is configured to induce tension in the spring that enables the brake to be activated, and the lever disposed in the second position is configured to reduce tension in the spring to disable the brake from being engaged. A method of operating an overridable failsafe brake apparatus for a vehicle and a vehicle including an overridable failsafe brake apparatus are also provided.

A multi-directional adjustable armrest pad and a chair armrest device with an armrest pad are disclosed and three embodiments are provided. In an embodiment, the pad body can be adjusted to move in a longitudinal direction and a lateral direction, and rotate relative to the chair armrest, and the pad body can be lifted by controlling a regulating assembly, and the regulating assembly is also rotatable and pivotally swingable, so as to make the armrest pad suit placement of a user's hand when the user sits on the chair.

A brake system is disclosed. The brake system includes a brake stack having a stack closure pressure, a force member positioned within a cylinder, a valve configured to control the fluid pressure of the brake system, and one or more pressure transducers that generate a proportional electrical signal representative of fluid pressure within the cylinder. The brake system also includes one or more processors in electronic communication with the valve, the one or more pressure transducers, and a memory coupled to the one or more processors. The memory stores data comprising a database and program code that, when executed by the one or more processors, causes the brake system to determine the stack closure pressure of the brake stack.

A wheel module according to an embodiment includes a wheel, a motor, a shaft, a holding member and a brake. A tire is mounted on the wheel. The motor is arranged on the inner side of the wheel and includes a stator and a rotor. The shaft is fixed to the rotor coaxially with a rotation axis of the rotor and transmits rotation force of the rotor to the wheel. The holding member holds the stator. The brake restricts rotation of the shaft. One end portion of the holding member in the axial direction of the rotation axis of the rotor is fixed to and supported by a support member. The brake is on the opposite side to the wheel with the support member interposed therebetween. The shaft extends to an inner portion of the brake while passing through through-holes formed in the one end portion and the supporting member.

A reduction drive has an electric motor and an output hub rotatable with respect to a motor housing. A planetary gear reduction assembly is disposed entirely within an internal volume formed by the output hub and includes a first ring gear fixed to and rotating with the output hub, a second ring gear fixed to a portion of the main housing, a sun gear driven by the motor shaft, and gears mounted on a carrier assembly and driven by the sun gear. Each planet gear has a first stage gear driving the first ring gear, and a second stage gear engaged to the second ring gear.

An electromechanical actuator device comprises a fixed part, a first movable part and a second movable part each arranged to move with respect to the fixed part along an actuation direction. A conductive coil (20) is wrapped around a core (28) and is housed within the fixed part (4). The first movable part (6) is coupled to the fixed part (4) by at least one restorative component (10) such that, in a working position, the first movable part (6) is separated from the fixed part (4) along the actuation direction (22) by a first actuation distance (d1). The second movable part (8) is coupled to the first movable part (6) by at least restorative component (16) such that, in the working position, the second movable part (8) is separated from the first movable part (6) along the actuation direction (22) by a second actuation distance (d2).

A brake system is disclosed. The brake system includes a brake stack having a stack closure pressure, a force member positioned within a cylinder, a valve configured to control the fluid pressure of the brake system, and one or more pressure transducers that generate a proportional electrical signal representative of fluid pressure within the cylinder. The brake system also includes one or more processors in electronic communication with the valve, the one or more pressure transducers, and a memory coupled to the one or more processors. The memory stores data comprising a database and program code that, when executed by the one or more processors, causes the brake system to determine the stack closure pressure of the brake stack.

A park release assembly including a package housing with a depth defining base and a cover and a cam component supported in a limited pivotal fashion within the housing. The cam component includes upper and lower portions, each further having an arcuate extending guide surface. A release cable extends in a first direction within the housing and engages the arcuate surface of the lower cam portion. An engagement cable extends in a second crosswise direction relative to the release cable and engages the arcuate surface of the upper cam portion. A pull handle is secured to an end of the engagement cable and, upon outwardly displacing the pull handle, causes concurrent rotation of the cam component in a counter biasing direction in order to linearly displace the release cable in an extending direction in order to actuate a remote lever to a vehicle Park release condition.

A height adjustable work surface is described that may be utilized as a standalone desk or table, or integrated with a larger work surface to provide selective height adjustability to only a portion of a work surface. The height adjustable work surface preferably utilizes a modular trapezoidal frame structure, including trapezoid tube weldments, corner castings and machined hardened connector pins. The lift mechanism preferably includes parallelogram linkages, pneumatic gas cylinders, sliding brake bar mechanism and brake release handles to provide height adjustment functionality.

Brake discs, systems, and methods may include a brake disc and a brake drum. In various embodiments, the brake disc includes a central hub, configured to engage with an axial shaft. The brake disc includes protrusions, each of which is coupled to the central hub and extends perpendicularly from the central hub. The brake disc includes expansion components, each of which is coupled to the central hub at two locations. Each expansion component surrounds an outer periphery of one of the protrusions. The expansion components define a segmented periphery configured as a braking surface. The brake drum is configured to have an inner diameter that is larger than an outer diameter of the brake disc. The outer diameter of the brake disc is defined by the segmented periphery, such that an inner surface of the brake drum is concentric around the segmented periphery of the brake disc.