Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7335532 | Method of assembly for multi-flip chip on lead frame on overmolded IC package A multichip module package uses bond wire with plastic resin on one side of a lead frame to package an integrated circuit and flip chip techniques to attach one or more mosfets to the other side of the lead frame. The assembled multichip module 30 has an inte... | 02/26/2008 |
| 7273117 | Vehicle suspension apparatus A trailing arm suspension unit for use on a vehicle including a ring bearing, a trailing arm, a spring and damper for providing large vertical wheel travel in a jounce and rebound suspension condition. The ring bearing may include external threads for rotationally c... | 09/25/2007 |
| 7219781 | Electromagnetic suspension system An electromagnetic suspension system comprises a universal joint mechanism for permitting radial movement of a cylinder relative to a center yoke while preventing axial movement of the cylinder relative to the center yoke. Since the cylinder is capable of radial mov... | 05/22/2007 |
| 7131653 | Steering device for the support device for the rear wheel hub in motor-vehicles A support device for motor-vehicle wheel hubs adapted to be mounted between the hub and the body of the rear suspension, consisting of a connection element (12), rotatably connected to the body of the suspension and adapted to rotate on a plane which is basic... | 11/07/2006 |
| 7004270 | Suspension apparatus of multi-axle vehicle A suspension apparatus of a multi-axle vehicle capable of realizing high traveling stability is provided. For this purpose, the suspension apparatus forms a quadric link structure (31) by a vehicle body (9), a front link (21) with an upper end p... | 02/28/2006 |
| 6739607 | Device for damping pivotal movements of a wheel-supporting pendular arm of a motor vehicle A device for position and speed-dependent damping of pivotal movements of a wheel-supporting pendular arm of a motor vehicle, includes a housing (16) with a cavity for rotatable support of a swing axle of the pendular arm; a plate pack arranged in the housing... | 05/25/2004 |
| 6354608 | Independent wheel suspension system The independent wheel suspension system of the present invention provides an optimal shock absorption in which the shock absorber is easily activated by the weight of the user to provide for an improved maneuverability of the movable structure. The system... | 03/12/2002 |
| 5505490 | Frame utilizing the vector system for vehicles A vehicle frame which comprises at least one top beam, at least one front cross bar and a rear cross bar disposed on both ends of the at least one top beam, a pair of front and rear bent support assemblies disposed on both ends of the at least one cross b... | 04/09/1996 |
| 5409075 | Pneumatic suspension system for farm equipment A suspension system for tracked vehicles has a plurality of interconnected air bags that is used to more evenly distribute the weight of the vehicle superstructure over the belt track. The more even weight distribution improves floatation of the vehicle o... | 04/25/1995 |
| 5324065 | Suspension assembly for a heavy vehicle, in particular for a tracked vehicle The invention relates to an oscillating arm suspension assembly for a heavy vehicle, in particular for a track vehicle. According to the invention, the oscillating arm comprises a housing receiving firstly a shock absorber of the type in which a semi-soli... | 06/28/1994 |
| 5183287 | Suspension system for road wheel of a track laying vehicle A suspension system (28) for a track laying vehicle includes a support arm (30) that defines a cavity (36) and has a first end (32) about which the arm pivots under the control of a stationary crank arm (38) and a cylinder of (42) supported for swiveling ... | 02/02/1993 |
| 5178405 | Hydromechanical control system A hydromechanical pressure control system includes a dual pump and cam assembly, which operates in association with an orifice and a relief valve to develop a pressure for operating a multiple disk friction damper. In one embodiment, the friction damper i... | 01/12/1993 |
| 5137297 | Trailerable structure with retractable towing hardware A large flat exhibition platform of stair-step height (71/2 inches) and convertible to a highway trailer has jacking apparatus, wheels, wheel suspension apparatus and a trailer towing member retractably concealed therein and includes an energy source, hyd... | 08/11/1992 |
| 4941676 | All-terrain vehicle An all-terrain vehicle having two bogies movably joined at their inner ends and pivotally mounted on each side of the vehicle and two main wheels mounted on the ends of one of the bogies and a third wheel mounted on the other end of the other bogie. The o... | 07/17/1990 |
| 4917209 | Motorcycle A motorcycle has a frame assembly including a main frame supporting front and rear wheels on a central line thereof. A connecting means mounted on the main frame between the front and rear wheels, and a subframe is mounted on the connecting member and bei... | 04/17/1990 |
| 4811972 | Rear wheel suspension system for straddle carriers A rear wheel suspension system for straddle carriers wherein a pair of axle mount plates are positioned on each side of the rear end of the carrier frame and each being swingably mounted on a transverse axis trunnion secured to a depending box beam on the... | 03/14/1989 |
| 4736965 | Vehicle suspension A vehicle suspension wherein hydraulic fluid is delivered to or from each spension unit via a pilot-operated shuttle valve. Each shuttle valve is controlled by the pressure within the suspension unit, such that suspension force is maintained during jounce... | 04/12/1988 |
| 4721328 | Oscillating arm suspension unit for vehicles A suspension unit for vehicles comprises a support fastened to a framework of the vehicle and a longitudinal arm, with a rolling member coupled to the arm, rotating relative to it about a transverse first axis. The arm is coupled to the support and rotate... | 01/26/1988 |
| 4721327 | Suspension unit for vehicles with built-in damper A suspension system for vehicles includes an arm that can oscillate relative to a support. The arm has an angular position of equilibrium relative to the support. Rotation of the arm is damped by a system comprising two complementary friction brake member... | 01/26/1988 |
| 4700969 | Ground clearance corrector for a suspension element of a heavy vehicle The corrector comprises a hydraulic distributor having a slide member (23) rotatively mounted in a body (39), the slide member (23) extending through a sleeve (41), a hydraulic circuit maintaining the ground clearance of the chassis of the vehicle being f... | 10/20/1987 |
| 4700970 | Suspension element for a heavy vehicle The suspension element comprises an arm (1) through which extends a wheel stub-axle (2) of the vehicle which is rotatively mounted on a fixed part (3) integral with the chassis of the vehicle with interposition of bearing means between the fixed part (3) ... | 10/20/1987 |
| 4693492 | Wheel suspension using an arc spring The invention relates to a hydropneumatic suspension system for a tracked-vehicle chassis component, having a circular-arc suspension member fitted within a housing. This circular-arc suspension member is located between a support fixed on the housing and... | 09/15/1987 |
| 4595069 | All terrain/high speed undercarriage An undercarriage (12) includes a primary frame (22) and a plurality of secondary frames (26) which in turn carry wheel members (28). The secondary frames (26) are urged to pivot away from the primary frame (12) by spring mechanisms (38). The center second... | 06/17/1986 |
| 4537422 | Sealing system for road wheel suspension A hydropneumatic suspension unit includes a large diameter flanged road arm spindle which is bolted to the vehicle hull; a road arm has one end rotatably mounted on the road arm spindle and another end mounting a road wheel; a gravity oriented oil barrier... | 08/27/1985 |
| 4470615 | Fluid-operated supporting arrangement and a conduit breakage safety device A fluid-operated supporting arrangement has fluid-operated supporting elements connected with a further fluid element by pairs of connecting conduits, and a safety element associated with the further fluid element and arranged so that the connecting condu... | 09/11/1984 |
| 4447073 | Road wheel suspension An in-arm hydropneumatic suspension system includes a road wheel spindle connected to a vehicle hull. A road wheel arm has a spindle housing on one end supported by complementary tapered roller bearings for oscillation on the spindle; the opposite end of ... | 05/08/1984 |
| 4254970 | Vehicle suspension using pressurized Bourdon tubes A vehicle suspension especially for tracked vehicles, comprising an interly pressurized Bourdon tube operatively located between the sprung mass and each road wheel. A single liquid pump can be used to selectively pressurize different ones of the Bourdon... | 03/10/1981 |
| 4194761 | Suspension system for tracked vehicles A suspension system for a tracked vehicle has a hull provided with double crawler tracks positioned on either side of the hull. Each crawler track runs around a track drive wheel, track roller assemblies and a take-up idler. A torsion unit assembly connec... | 03/25/1980 |
| 4172591 | Trunnion assembly The trunnion assembly includes a housing and a one-piece tubular shaft journaled within bushings secured in the housing. Thrust forces acting on the shaft in one direction are counteracted by a spacer disposed between one bushing and a hub rigidly secured... | 10/30/1979 |
| 4156536 | Hydropneumatic suspension system A hydropneumatic suspension system consists of plural separate individual wheel suspension units, one for each wheel, whereby should damage occur to any one of the units, it will not affect the operation of the other units. The heat generated by each indi... | 05/29/1979 |
| 4113279 | Hydropneumatic spring element A hydropneumatic spring element, especially for use in connection with land vehicles such as armored vehicles, especially with a track laying mechanism, in which the wheel force is conveyed to a hydraulic liquid column through the intervention of a wheel ... | 09/12/1978 |
| 4079963 | Vehicle suspension height control A vehicle suspension height control unit comprising a hydraulic pump operd by reciprocatory action of the suspension dashpot to pressurize an accumulator. Tendency of the sprung mass to go above or below its normal height range actuates a directional val... | 03/21/1978 |
| 3930550 | Vehicle drive and suspension Disclosed is a novel vehicle suspension and drive means, comprising a drive haft extending parallel to the longitudinal axis of the vehicle, and a torsion-transmitting suspension rod extending from a wheel road arm across the drive shaft axis. The suspensi... | 01/06/1976 |
