1941results about "Leaf springs" patented technology

A spring core includes a plurality of individual springs. Each individual spring includes at least one spring band configured to be deformed to have a bulge and shaped to form at least a partial ring in a loading plane.

The invention relates to a method for designing gaps of end straight sections of diagonal few-leaf main springs and auxiliary springs, and belongs to the technical field of suspension steel plate springs. The method includes determining endpoint deformation coefficients of the various main springs and deformation coefficients G<x-CD> of contact points of the end straight sections of the N main springs and the auxiliary springs according to structure sizes and elastic modulus of the various diagonal variable-section main springs; acquiring endpoint force F<N> of the N main springs according to acting load of the auxiliary springs and the endpoint deformation coefficients of the various main springs; designing the main and auxiliary spring gaps between contact points of the end straight sections of the main springs and the auxiliary springs according to the thicknesses h<2> of roots of the N main springs, the endpoint force F<N> and the deformation coefficients G<x-CD>. The method has the advantages that as known from simulation verification, design values of the gaps of the end straight sections of the diagonal few-leaf variable-section main springs and the auxiliary springs can be accurately and reliably obtained by the aid of the method, and accordingly the product design level and performance and the vehicle ride comfort can be improved; the design and experiment costs can be reduced, and the product development speeds can be increased.

An ortho-planar spring has a platform movably coupled to a base and being movable linearly with respect to the base along at least a portion of an axial direction perpendicular to both a base surface and a platform surface. A resilient and flexible connecting structure is connected to and between the base and platform. The connecting structure is bendable to develop (i) an axial force along the axial direction to bias the platform in a stable position with respect to the base, and (ii) non-axial forces which substantially sum to zero to preserve the orientation of the platform with respect to the base. Thus, the spring is very compact and does not have rotation between the deflecting ends. The spring may be associated with a valve opening, and a button for restricting flow through the valve opening, to bias the button at a position with respect to the valve opening.

A sensor isolation system including a sensor, a package for the sensor, and a compliant interposer disposed between the sensor and the package and interconnecting the sensor to the package to isolate the sensor from thermal and mechanical stresses and yet at the same time providing a physical interconnect between the sensor and the package.

Provided is a non-pneumatic wheel (100) for a vehicle, and a wheel (100), suspension (200; 200-1), and tire (300) used therein that are capable of ensuring driving stability because there is no air chamber between a wheel (100) and a tire (300) to blowout. They are also capable of ensuring good road holding, preventing standing waves, reducing brake fade and cornering force, providing good handling and ride comfort, staying quiet when rolling, and are economical and environmentally friendly. The non-pneumatic wheel (100) includes a wheel (100), a shock absorbing member (220; 220-1) coupled to an outer periphery of the wheel (100) and absorbing or attenuating noise and vibration due to external shock, a plurality of resilient members (230; 230-1; 230-2) arranged around and coupled to an outer periphery of the shock absorbing member (220; 220-1) in a radial direction and having a plurality of resilient rings (230-1a) that are resiliently deformed in response to an external force, resilient links (240) respectively coupled to the resilient rings (230-1a) to evenly transmit external shock to the resilient rings (230-1a), rail plates (270) to which sliders (261) formed at both ends of the resilient links (240) are slidably coupled, and a tire (300) having a plurality of coupling grooves (321) formed along an inner periphery such that the rail plates (270) are inserted into the coupling grooves (321).

A low part count, light weight, low-rise air leaf suspension system is provided. One end of the leaf spring has a formed eye pivotally mounted by a pin to a lightweight bracket mounted to the vehicle frame. The leaf spring is tapered toward the ends to reduce weight. Light weight clamping blocks attach an axle to a central portion of the leaf spring. The other end of the leaf spring is curved down and laterally inward so that the end of the leaf spring is positioned directly underneath the vehicle frame and the air spring may be connected directly between the leaf spring and frame.

The invention provides an individual suspension device for a bed or seat base of the multi-element type, the device being for interposing between a platform determining a support surface and a padding element such as a mattress, and comprising a foot for fixing to an element of the platform, a suspension structure fixed to the foot, and a top plate carried by the suspension structure and serving as a support for the padding element, said suspension structure being circularly symmetrical about a vertical axis, wherein the suspension structure is a single hollow piece and is made of a flexible synthetic material or a vulcanized rubber having hardness lying in the range 40 on the Shore A scale to 70 on the Shore D scale.

A spring washer for producing a load in an axial direction which includes an outer spring body extending about a central washer axis parallel to the axial direction. The washer further includes a central opening coaxial to the washer axis for accepting at least a portion of an elongated object extending in the axial direction. The washer has a plurality of circumferentially spaced spring fingers each extending inwardly towards the central washer opening. Each finger including a finger base attached to the outer body and a finger end adjacent to the central opening. The finger end of every other one of the plurality of spring fingers being axially spaced on either side of said outer spring body.

An axle housing includes a suspension mount interface for mounting a vehicle suspension to the axle housing. The axle housing includes a first leg portion extending to a first wheel assembly and a second leg portion extending to a second wheel assembly. The first and second leg portions each include a suspension mount interface. Each suspension mount interface includes first and second bracket portions. The first and second bracket portions are clamped together prior to attachment to the axle housing to form a suspension bracket assembly. One clamped suspension bracket assembly is then slid over each axle housing leg portion. The first and second bracket portions are subjected to a preload force as they are welded or fastened to each other, providing a preload effect to define a suspension load path that has positive contact only at desired locations on the axle housing.

A tuned mass damper comprising a frame, at least one bendable spring element being connected from its ends to the frame, and at least one mass element being connected to the spring element at a distance from the ends of the spring element, at least one movable spring support element for adjusting the tuning frequency of the damper, and means for moving the spring support element.

A fluid pressure operated friction coupling comprising a multiple friction disc assembly having a single piston actuator and having first and second springs operatively configured and arranged in response to pressurization of the piston actuator to selectively engage first and second sets plates and friction components for varying the gain of the coupling.

An apparatus for connecting a load to a support comprises a flexible suspension arm of unitary construction and restoring means, the suspension arm being so constructed and arranged to define at least two spaced apart members whose relative location determines the volume of a space which contains the restoring means, deflection of the flexible suspension arm in use causing the arm to deform to alter the relative position of the two spaced apart members, thereby altering the volume of the space and so compressing the restoring means. The apparatus is especially suited to suspension assemblies for vehicles.

An electroplating rack includes a cathode flight bar from which depends an insulated rack bar over an acid bath. A clamp is fixed to the rack bar, and has a bridge electrically connected to the flight bar through a conducting core inside the insulated rack bar. The clamp has a main body made of plastic, which includes a slot in which protrudes the bridge. An electrically conducting spring clip is installed in the slot, and is formed of two arms continuously biased into a spreaded, opened condition in the slot. A screw carried by the main body, when rotated in a first direction, can force the spring clip into a closed condition, in which it can hold an article to be electroplated between its two arms, and in which one of the spring clip arms is forced against the bridge member. Thus, electrical current can pass through the rack flight bar and conducting core, then through the bridge member, the spring clip and finally into the article to be electroplated. Once the rack is lowered to submerge the article into the acid bath, the latter will be electroplated with this current passing through the article.

Apparatus and method are provided for decreasing frictional effects in stacks of Belleville springs and limiting deflection of the springs. In one embodiment, carriers for springs overlap and minimize the effects of lateral forces that are developed as springs in a stack are loaded. Carriers may be used on mandrel guides, in cylindrical guides or without a guide. In other embodiments, maximum load and defection of springs may be provided by the spring carriers.

The invention relates to a leaf spring with gradually-varied rigidity, which comprises at least one primary spring sheet and at least one secondary spring sheet, wherein the primary spring sheet and the secondary spring sheet are fixed by a central bolt; the central bolt is positioned in the centers of the primary spring sheet and the secondary spring sheet; a central nut is sleeved on the central bolts; clamp hoops are arranged on both sides of the central bolt on the primary spring sheet; clamp hoop bolts are arranged on the clamp bolts; a clamp sleeve is also sleeved on the primary spring sheet; and different rigidities and axis moments of the primary spring sheet and the secondary spring sheet can be selected. The leaf spring has a simple structure, high elasticity, long service life and good smoothness, and has the equifrequent property.

A suspension stop for a motor vehicle wheel assembly comprising a fixed member adapted to be fixed to the chassis (2) of the vehicle and a rotating member adapted to be fixed to the suspension spring (4) so as to be rotationally moved under the effect of the forces exerted by the spring. The stop includes a device for measuring the vertical forces applied to the vehicle wheel. The device includes a pulse-generating coder (11) fixed to one of the members, a sensor (12) fixed to the other member which is able to detect these pulses so as to determine the angular position of the rotating member with respect to the fixed member, and a calculation device able, from this position, to calculate the corresponding vertical force applied.

A method of measuring the vertical forces applied to a wheel associated with the chassis (2) of a vehicle by such a stop is also provided.