1072 results about "Independent suspension" patented technology

An article of footwear having an upper and a sole is disclosed. The sole of the article of footwear includes a midsole having a support portion and a plurality of projections extending from the support portion. The sole of the article of footwear also includes a plate contacting the support portion having a body positioned in an area between the plurality of projections. The plate further includes a plurality of openings which correspond to the plurality of projections and allow the projections to extend below the body of the plate. The plate further includes a plurality of cantilever elements extending on at least one side and on the bottom of each of the plurality of projections. The projections and the corresponding cantilever elements interact with one another to form a plurality of lugs located on the sole of the article of footwear.

An airport rescue fire-fighting vehicle comprising a support structure coupled to at least two wheel sets. The support structure has a front end and a back end with one wheel set coupled to the front end of the support structure and one wheel set coupled to the back end of the support structure. A power source is mounted on the support structure and coupled to at least one wheel set. Each wheel of the vehicle is coupled to a modular independent suspension. A mechanical steering apparatus is coupled to the front wheel set and at least one rear wheel set.

A shoe is provided for improving use efficiency through reduction of neuromuscular fatigue. The shoe includes an upper having a generally horizontal bottom wall. The bottom wall includes an upper surface and a lower surface. The upper comprises a forward region having a forward center of loading and a rear region having a rear center of loading. The shoe further includes a sole comprising a midsole and an outsole. The midsole comprises a suspension element, which can have a generally elongated shape. The suspension element further has a center of compression, which is generally aligned with at least one of the first and second centers of loading of the upper. The shoe can have a hinge located within the sole for providing enhanced efficiency to the user. The hinge and suspension element(s) can take various forms. The position and structure of the hinge and suspension element(s) in relation to the midsole can take various forms as well. The biomechanical action of the heel element, forefoot element and hinge can be dynamically coupled to create a highly resilient suspension system with a low rate of loading throughout the stride, thus allowing a natural, “barefoot” gait for the wearer. As a result, the wearer experiences a significant reduction in jarring impacts for any phase of the stride, a corresponding reduction in cumulative fatigue and a lower rate of chronic or traumatic injury. A method of manufacturing a suspension element for a shoe is also provided, and includes the steps of providing a die having a length, a width and a thickness, the length accommodating a plurality of suspension elements; wrapping a plurality of coated or wetted fibers around the width of the die to form the suspension elements; drying or curing the fibers to a substantially integrated form; and separating the plurality of suspension elements into independent suspension elements.

The mower front independent suspension assembly in some embodiments of the present invention includes a first suspension arm connected to the front of the lawn mower frame and a second suspension arm connected to the side of the lawn mower frame. In some embodiments, the first suspension arm is connected to the front of the frame at or near the longitudinal center of the frame, while the second suspension arm is connected to the side of the frame a distance from the front of the frame. Also, in some embodiments the cutter deck of the lawn mower is connected to the front independent suspension assemblies for movement therewith.

A tilting suspension system is adapted for use with a vehicle having three wheels and a frame. The system has two sets of control arms, each set of control arms being pivotally connected to one side of the frame. An upright is pivotally connected to each set of control arms, each upright having a rotatable hub for allowing one of the wheels to be mounted thereto. Two rocker arms are pivotally connected to the frame, and a control link is pivotally connected to each of the rocker arms, such that pivoting of one rocker arm causes corresponding pivoting of the other rocker arm. A link member operably connects each rocker arm to a corresponding upright, such that pivoting of each rocker arm causes corresponding movement of the uprights. An actuator is configured to selectively pivot the rocker arms, such that actuation of the actuator pivots the rocker arms, thereby causing the frame to rotate about a generally longitudinal roll center and causing each upright to rotate about a generally longitudinal axis.

An independent suspension and steering system that can be used with a large truck. The suspension system includes a transversely extending leaf spring assembly. The midpoint of the leaf spring assembly is secured at the centerline of the vehicle while the two opposing ends of the leaf spring assembly are shackled to vertically moveable carriers on which the steering knuckles are pivotally mounted. The steering unit includes a transversely extending relay rod which is attached to tie rods at its opposite ends. The tie rods are, in turn, attached to the steering knuckles. In some embodiments, at least one steering gear is coupled with the relay rod via a connecting rod that is secured at one end to the rotating output shaft of the steering gear and secured at its other end to the relay rod.

An all-terrain four wheel welding cart having an independent suspension system making the cart capable of traveling across a variety of terrains either by being manually pulled by a handle connected to the suspension system making it easy to control cart direction or by an interchangeable tow hitch which can replace the manual towing handle allowing the cart to be mounted onto a tow receiver and quickly driven away. Due to the cart's ground clearance, size of wheels and pneumatic tires, it can travel most terrains usually unavailable to standard welding carts.

An articulated dozer with a four point independent suspension system between a chassis and two support frames is described. The chassis includes a front chassis portion and a rear chassis portion connected by an articulation joint. The vehicle is compactly arrange so that the chassis and the two support frames fit between the track systems supporting and propelling the vehicle. Additionally, the engine is arranged near the articulation joint and lower than the top of the track systems for improved view and visibility. The cab is arranged over the track systems at the front of the vehicle for an optimal view of the blade.

An independent rear suspension for a vehicle having a chassis and a pair of rear wheels including a pair of IRS units. Each IRS unit includes an X-shaped lower control arm with a forward pivot connection to the chassis in front of the centerline of the driven sprocket and a rearward pivot connection behind the centerline, and a camber link connected to the chassis at a single pivot connection behind the centerline. Each IRS unit also includes a shock absorber coupled with an anti-sway bar to the lower control arm at a mount, and including a secondary spring in series with a main spring.

The invention discloses an explosion-proof and fire fighting reconnaissance robot. The robot comprises two parts including a fire fighting robot body and a remote control box, wherein the fire fighting robot body is composed of a box body assembly, an independent suspension shock absorption system, a fire fighting water cannon, a data acquisition multimedia assembly and an auxiliary part; the box body assembly adopts an explosion-proof design and is provided with a sensor, a camera and the fire fighting water cannon, so that the robot can replace fire fighters to enter inflammable and explosive environments and environments with toxic gas to detect and reconnoiter and can also enter accident scenes with rick smoke, fire disasters and the like to carry out fire fighting; the explosion-proof and fire fighting reconnaissance robot has the characteristics of small size, flexibility of walking, far communication distance, long working time and convenience for operation.

A skateboard includes a board body having a bottom provided with a base having a bottom provided with two opposite wheel seats. Each of the two wheel seats includes a wheel axle for mounting a roller. The wheel axle of each of the two wheel seats has a center located at a height different from that of a center of the respective wheel seat, thereby forming an eccentric state, so that each roller has independent horizontal and vertical displacement, thereby forming a balance effect, so that the skateboard can be moved in a stable manner.

A dual suspension system includes a chassis, a suspension arm rotatably connected to the chassis, a wheel connection connected coupled to the suspension arm, a first lock connected to the chassis and the suspension arm, and a second lock connected between a differential housing and the chassis. The first and second locks each have an unlocked state and a locked state. When the first lock is unlocked, and the second lock is locked, the vehicle substantially provides independent suspension. When the first lock is locked, and the second lock is unlocked, the vehicle substantially provides solid axle suspension.

The invention provides an integrated steering and suspension system which comprises a steering motor. The steering motor is in transmission connection with one end of a main pin shaft through a speed reducer; a sleeve is sleeved outside the main pin shaft; the main pin shaft is not in rotation connection with the sleeve; the sleeve can slide axially relative to the main pin shaft; one end of a circular pipe is fixed on the outer surface of the sleeve and the other end is fixed on the side surface of a first connecting block; the first connecting block is fixedly connected with one end of a wheel axle; the other end of the wheel axle is fixedly connected with a wheel hub; the other end of the main pin shaft is fixed with one end of a second connecting block; the other end of the second connecting block is fixedly connected with one end of a damper spring; and the other end of the damper spring is fixedly connected with the first connecting block. The system does not need the independent suspension guide rod system and has a simple structure, the steering space of wheels is greatly improved, and the smaller steering radius can be realized.

The invention provides a small-sized intelligent spraying vehicle. The spraying vehicle comprises a vehicle body (27), a power supply (13), a travel mechanism, a pressurizing spraying system and a control system, wherein the travel mechanism comprises front wheels (28) and rear wheels (9), which are arranged on a framework chassis; the front wheels (28) are driven by an independent suspension structure; the rear wheel (9) are respectively driven by a motor (8); the pressurizing spraying system consists of an air way and a waterway, and the on-off of the air way and the waterway are controlled by a solenoid valve; the control system comprises a master controller (14) and a pavement monitoring sensor for monitoring a pavement state and transmitting monitored information to the master controller; and the master controller receives signals from the pavement monitoring sensor, and analyzes and calculates the signals to control the corresponding actions of the front wheels, the rear wheels and the pressurizing spraying system to realize intelligent spraying without depending on manpower.

The present invention provides a suspension system for in-line skates. The in-line skate includes a boot and a tracking system attached to the sole of the boot. Opposing rocking arms that hold the wheels are connected to the tracking system using a truncated axle. In addition, an adjustable spring can be configured between the opposing rocker arms.

The invention relates to a robot traveling device with a liftable frame. The traveling device is provided with a frame (1), four wheels (2), independent suspension brackets and a motor driving device, wherein each independent suspension bracket and the motor driving device are arranged between each wheel (2) and the frame (1); each independent suspension bracket consists of a cantilever (3) and adamper; the axis of the cantilever (3) is positioned in a longitudinal vertical plane of the frame (1), one end of the cantilever (3) is hinged with the frame (1), and the other end of the cantilever(3) is hinged with an axle (11) of the wheels (2); the lower end of the damper is hinged with the middle part of the cantilever (3), and the upper end of the damper is hinged with the frame (1); and the traveling device is characterized in that: the damper consists of an electric push rod (4) and a bidirectional telescopic damper (5) which is coaxially and serially arranged on the end part of a push rod (4-2) of the electric push rod (4). The traveling device has the advantages of high obstacle surmounting capacity and stable and safe traveling.

The invention discloses an independent suspension mounting bracket structure. The independent suspension mounting bracket structure comprises a front independent suspension mounting structure and a rear independent suspension mounting structure. The independent suspension mounting structure comprises a left longitudinal body connecting beam, a right longitudinal body connecting beam, a first transverse mounting reinforcing beam, a second transverse mounting reinforcing beam, a bracket on a shock absorber and a triangular arm mounting bracket on a suspension. The independent suspension mounting structure also meets the mounting rigidity and strength requirements of steering, transmission, braking, cooling systems, air transport, air drop, mooring and securing and the like. The rigidity and the strength of the whole body are enhanced; and the requirements of the whole vehicle for the properties such as whole vehicle bearing, control stability, reliability and the like under the condition of a cross-country pavement with large torque or a severe pavement are met.

The invention relates to an online detection method for a torsion vibration signal of an automotive power transmission system, and belongs to the field of automobile noise and vibration control. In the method, torsion vibration test and analysis are performed on a power transmission system of a running front-engine rear-drive independent suspension type vehicle. A testing disc and a rotating speed sensor are arranged at the tested position of the power transmission system and are used for measuring rotating signals of the power transmission system, performing self-adaptive filtering on the signals, performing time-frequency analysis on the filtered signals, and calculating the torsion vibration frequency of the system. The method is used for performing torsion test and analysis on the acceleration running working conditions of an actual vehicle, particularly the running front-engine rear-drive independent suspension type vehicle without a torsion vibration test rack. The testing disc and the rotating speed sensor are arranged at the tested position of the power transmission system and are used for measuring the rotating signals of the power transmission system, calculating the instantaneous rotating speed through the peak value detection, filtering, and calculating the torsion vibration frequency of the system through the time-frequency analysis of the filtered signals.