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| Number | Title | Issue Date |
| 5242146 | Engine mount having improved vibration isolation An engine mount for mounting an automotive vehicle engine to the automotive vehicle chassis. The mount comprises a vibration isolator portion which is designed with relatively low stiffness to provide increased vibration isolation. Excessive displacements... | 09/07/1993 |
| 4809191 | Robotic position sensor An electromechanical manipulator including gripper elements provided with a plurality of fingers and a sensing element provided for each of the fingers to sense their relative position. The sensing means includes at least one Hall effect element disposed ... | 02/28/1989 |
| 4796873 | Active vibration isolation system An active force actuated vibration isolation system uses a velocity sensor in the form of a velocity-sensitive geophone to sense payload velocity and modifies the geophone signal to control the force applied to oppose the vibration. The modified signal ef... | 01/10/1989 |
| 4765758 | Laminated bearing A sound isolating bearing has concentric inner and outer housings made of steel with a concentric shim between the inner and outer housings sandwiched by layers of a resilient elastomer. The longitudinal cross section of the shim is convex on both inside ... | 08/23/1988 |
| 4754958 | Motion snubber A motion snubber comprises layers of elastomeric and substantially inextensible material stacked one on top of the other between a base and mounting plate, and is characterized by a rigid restraining pin disposed in a bore within the stack so as to restra... | 07/05/1988 |
| 4753989 | Elastomer with improved high temperature characteristics A soft thermoplastic, elastomeric alloy containing a thermoplastic, elastomeric block copolymer material, a polyethylene, and a polyphenylene ether material, prepared by blending in an extruder with an L/D ratio equal to or greater than 30 to 1. The alloy... | 06/28/1988 |
| 4750723 | Device for supporting workpieces An adjustable device for supporting workpieces having two sets of relatively movable interleaved friction plates, one set attached to and movable with a work supporting plunger, the other being relatively stationary with respect to the plunger. The plunge... | 06/14/1988 |
| 4742998 | Active vibration isolation system employing an electro-rheological fluid An active vibration isolation system employing an electro-rheological fluid comprises a damper having a servovalve fluidically coupling a load supporting actuator to an accumulator. The servovalve includes an orificed plate arrangement, across which a vol... | 05/10/1988 |
| 4730861 | Finger gripper with state indicator A positive indication of the closure state of a fingered gripper is provided by a sensor having a first element mounted for motion responsive to the primary finger driver and a second element operable in conjunction with the first element to provide, betw... | 03/15/1988 |
| 4718631 | Foot isolating An antiskid shock and vibration isolating foot is formed with an annular circumferential recess about midway between its top and bottom and made of a resilient elastomer. A threaded stud is bonded to the top of the elastomer. The upper portion above the a... | 01/12/1988 |
| 4714865 | Overload protection device An overload protection device adapted to be secured between a robot arm and a tool, comprises a floating piston (20) within a cylinder (18). Hall effect sensors (124) are spaced around the cylinder wall and mating magnets (40) are spaced around the piston... | 12/22/1987 |
| 4706505 | Force and torque sensor A low cost sensor is described. The sensor is responsive to the component of a force applied to the sensor relative to an axis of the sensor. The sensor comprises rigid, spaced-apart support members. At least one pair of electrically-conductive elements a... | 11/17/1987 |
| 4705489 | Constant angle shaft coupling A shaft coupling working on the principle of an Oldham's coupling in which rotary members are connected by pairs of guide links (20,26). Additional guide links (28,38), displaced at an angle of 90° to one another, are provided between the first rotary me... | 11/10/1987 |
| 4687127 | Avionic tray gasket assembly An avionic tray assembly comprising a tray (12) having upper and lower surfaces (28, 30) with an opening (24) is formed in the tray to let the passage of air therethrough. A U-shaped channel member (26) is secured to the lower surface of the tray beneath ... | 08/18/1987 |
| 4618118 | Releasably locking A latch housing of molded plastic has a flanged surface that makes surface contact around a rectangular cutout in a dimpled or recessed area of a metal panel flush with the panel surface. Four extended retainers having a lightly tapered bottom edge retain... | 10/21/1986 |
| 4518368 | Coupling An improved coupling comprises a driving member rotatable about a first axis, a driven member rotatable about a second axis and a plurality of intermediate floating members disposed between and coupling the driving and driven members so that the rotation ... | 05/21/1985 |
| 4512720 | Pump impellers and manufacture thereof by co-injection molding A pump inpeller and a method for its manufacture wherein the impeller is made of two different synthetic plastics using a co-injection molding process. One plastic, used to fabricate a core section of the impeller, is a rigid thermoplastic material. The o... | 04/23/1985 |
| 4506439 | Apparatus for securing an electronic unit to an avionics tray Apparatus for removing and securing a plug-in electronic unit or the like to or from an avionics tray comprises a threaded spindle carrying a transverse pin at one end thereof and having an arrangement of three concentric sleeves located about the spindle... | 03/26/1985 |
| 4505688 | Constant velocity coupling having laminated elastomeric bearings A constant velocity, "Tri-Pot" type joint comprises first and second members respectively rotatable about first and second axes and a coupling for connecting the first and second members. The coupling comprises three trunnions rotatable with the first mem... | 03/19/1985 |
| 4492949 | Tactile sensors for robotic gripper and the like A tactile sensor for sensing an object in contact therewith. In its preferred form, the sensor comprises a plurality of layers disposed in a sandwich arrangement. A top layer is comprised of a flexible, electrically-insulating material and a plurality of ... | 01/08/1985 |
| 4435097 | Laminated bearing structures Laminated elastomer bearings of the type comprising alternating bonded layers of resilient material and non-extensible material are improved by forming at least some of the resilient layers of at least two different stocks having different elasticity char... | 03/06/1984 |
| 4398755 | Flexible fluid conductive coupling for fluid transfer systems A flexible fluid conductive coupling for use with fluid flow systems has short fluid conductive cylindrical sections having different diameters so chosen that the smaller diameter section may fit within, and well clear of, the larger. A pair of external m... | 08/16/1983 |
| 4385025 | Method of coinjection molding of thermoplastic and thermoplastic elastomer Vibration isolators are manufactured by a co-injection molding process. Outer and inner parts of the isolators are molded first from a rigid or stiff thermoplastic material such as polystyrene and intermediate spring-like parts of the isolators are made o... | 05/24/1983 |
| 4368050 | Coupling An improved coupling device for joining two rotatable members which may undergo misalignment is disclosed. The device includes a plurality of balls for operatively coupling the two rotatable members. One disclosed embodiment of the coupling device is a pl... | 01/11/1983 |
| 4357057 | Laminated bearing with improved low temperature operating characteristics A laminated device such as a bearing or coupling comprising an inner and an outer housing with a laminate therebetween of alternating resilient and non-extensible layers wherein at least one of its resilient layers is made of a material characterized by h... | 11/02/1982 |
| 4349184 | Laminated bearings having elastomer layers of varying dimensions A bearing for carrying compressive radial loads comprising alternating bonded layers of a resilient material of a uniform modulus of elasticity and layers of a non-extensible material, all generally concentrically formed about a common center axis. The fa... | 09/14/1982 |
| 4331003 | Flexible coupling A coupling of the "Tracta" joint type comprises a driving member rotatable about a first axis, a driven member rotatable about a second axis, and two intermediate members for operatively coupling the driving member to the driven member. The improvement co... | 05/25/1982 |
