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...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 4710150 | Sealing device for a universal joint A sealing device for a universal joint comprising an annular cup surrounding each branch of a spider element of the universal joint and fixed with a bearing ring capping the end of the associated branch. A flexible sealing element having lips on the perip... | 12/01/1987 |
| 4692126 | Claw coupling assembly for torque transmission A torque transmitting coupling assembly including a driving member and a power takeoff member, each of which have an equal plurality of claws thereon with movable transmission members interposed between the claws, the claws having lateral surfaces which d... | 09/08/1987 |
| 4669999 | Lubricant delivering and containment overload shearable coupling A lubricant delivering coupling adapted to interconnect a power transfer unit and a load having a rotary input. The coupling is comprised of a pair of concentrically disposed inner and outer hollow members. The outer member is in a torque transmitting rel... | 06/02/1987 |
| 4662860 | Telescoping low vibration pulling mechanism for Czochralski crystal growth A telescoping low vibration pulling mechanism for use in Czochralski crystal growth apparatus, comprising a broached bushing which defines an internal circumference of teeth therein, which teeth cooperate with complimentary teeth defined on the circumfere... | 05/05/1987 |
| 4655729 | Flexible cable assembly A flexible cable assembly for actuation of an automobile speedometer or the like, comprising an inner core member and a tubular casing that includes an outer housing and a spiral-cut tubular liner with multiple internal ribs. The liner is constructed by e... | 04/07/1987 |
| 4652249 | Clutch for a quill feed mechanism In a milling machine, a quill power feed mechanism is provided an adjustable overload slip clutch capable of feeding the quill completely to a pre-set micrometer quill stop during a drilling or boring operation. The improved slip clutch includes an overlo... | 03/24/1987 |
| 4650440 | Lubrication of hookes universal joints A Hookes universal joint wherein each journal of the cross member of the joint has a lubricant chamber adjacent its outermost end, and the lubricant channel for the journal leads into a passage extending outwardly towards the free end of the journal and t... | 03/17/1987 |
| 4647230 | Arangement for fastening a rolling bearing in a housing A spring ring is arranged in an annular gap of a pair of outer bearing rings in an arrangement for fastening a rolling bearing in the bore of a housing. A groove is provided in the housing for receiving the spring ring. A holding ring is mounted on the ou... | 03/03/1987 |
| 4645472 | Torque limiting clutch A torque limiting clutch having one or more friction surfaces placed under pressure by pre-compressed helical springs employed for eliminating adjustment and compensating for wear of the clutch during use. In one embodiment of the invention, the springs a... | 02/24/1987 |
| 4645473 | Torque transmitting coupling with obtuse screw edge angles The shaft coupling has two elastic threaded cylindrical parts on both sides. The threaded cylindrical parts have tapered screws on their outer surface. Tightening nuts are fitted to the tapered screws. Inserting shafts into the threaded cylindrical parts,... | 02/24/1987 |
| 4645369 | Ball type universal joint and method of manufacture A ball type universal joint construction where a ball member is rotatably received in a housing and a bearing structure interposed therebetween in a manner which limits the relative rotational degrees of freedom. The ball member has a spherical surface po... | 02/24/1987 |
| 4645474 | Sealing device for bearing bushings particularly for universal joints A sealing device for bearing bushings, especially for universal joints including a cup-shaped bearing bushing overlying a universal joint pin comprising an inner sealing ring, a sheet metal part connected to the bearing bushing adapted to fix the inner se... | 02/24/1987 |
| 4643699 | Universal joint having a bearing block with cylindrical receptacles The universal joint (10) comprises a bearing block (40) which has a pair of cylindrical receptacles (50, 60) disposed perpendicularly relative to one another, each cylindrical receptacle (50, 60) being C-shaped to receive therein respective cylindrical me... | 02/17/1987 |
| 4643698 | Constant velocity joint A joint assembly for effecting an angularly movable torque transmitting connection between a driving and a driven member wherein at least three coupling members are connected to one of the driving and driven members for pivotal motion relative thereto abo... | 02/17/1987 |
| 4639237 | Shaft coupling with press fit coil springs forming resilient torque-transmitting elements A shaft coupling is composed of first and second hubs, each of which has a flange provided with a plurality of spring holes over its circumference at one end of a cylindrical portion of the hub, to which transmission shafts are connected, and a plurality ... | 01/27/1987 |
| 4637806 | Arrangement for mounting swivel pin bearing in yoke of universal joint A swivel pin bearing for rotatably seating a swivel pin in the yoke eye of a yoke arm. The bearing includes a bushing having a base portion and a sleeve portion integrally formed with the periphery of the base portion, this sleeve portion being arranged i... | 01/20/1987 |
| 4637807 | Split yoke universal joint A universal joint has a cross formed by two mutually perpendicular pairs of coaxial trunnions, each pair of trunnions being rotatably received in bearings which in turn are coaxially retained in the bearing caps of one of two yokes. The yokes are subdivid... | 01/20/1987 |
| 4636180 | Universal joint with stationary seats The universal joint (10) comprises a first shaft (12) with an annular head (14) having a cavity (16) therein and oppositely disposed seats (17, 19) about the perimeter of the cavity (16). The seats (17, 19) have inclined bottom surfaces (21) which displac... | 01/13/1987 |
| 4634399 | Structural component for transmitting torque A coil-shaped body is used to transmit torque between shafts spaced axially apart and with the shaft axes disposed angularly to one another. Such an arrangement is used in a bent steering column for a safety steering mechanism. The coil-shaped body is for... | 01/06/1987 |
| 4634396 | Joint for the transmission of motion from a driving shaft to a driven shaft Elastic joint for the transmission of motion between two shafts, comprising two supports, a driving support and a driven support, associated with the shafts and at least two arms for each support. The joint comprises at least one single element for connec... | 01/06/1987 |
| 4634402 | Universal joint capable of accommodating thrust loads A universal joint for transmitting driving torque between rotative members including an inner joint member for connection to one of the rotative members and an outer joint member for connection to the inner joint member and to the other of the rotative me... | 01/06/1987 |
| 4634401 | Journal cross with high fatigue strength A spider for a Hooke's joint typically includes a center piece and four pins radiating therefrom. The pins are all located in a plane which intersects the rotation axis of the spider. Between adjacent pins, the center piece has a transition section, which... | 01/06/1987 |
| 4634397 | Torsional damper device for a clutch disk A torsional damper device comprises coaxial parts adapted to rotate relative to one another within predetermined limits. Two of the coaxial parts mesh together with clearance, the meshing portions defining predetermined limits of relative angular movement... | 01/06/1987 |
| 4634398 | Torsional damper device comprising two coaxial parts disposed to rotate relative to one another A torsional damper device suitable for automobile vehicle clutch disks. The torsional damper device comprises two coaxial parts disposed to rotate relative to one another within defined limits of relative angular movement. Friction devices are inserted ax... | 01/06/1987 |
| 4629443 | Installation for damping torsional vibrations in a gear drive, especially between the crankshaft and an output shaft of internal combustion engines An installation for damping torsional vibrations in a gear drive, especially between the crankshaft and an output shaft of internal combustion engines, in which a gear wheel on the output shaft is connected with the output shaft by a friction clutch and a... | 12/16/1986 |
| 4627826 | Multi-segment, non-flexible boot for mechanical joint A sealing boot for sealing a power transmitting mechanical joint, especially a mechanical joint which is subject to angular articulation between its input shaft and output shaft. The mechanical joint has an outer race which is a part of its output shaft, ... | 12/09/1986 |
| 4624650 | Torsional vibration absorber device A torsional vibration absorber device is positioned between two relatively rotatable members. A coupling member has a projection engaging a camming surface on one of the members, the camming surface being slanted circumferentially with respect to the axia... | 11/25/1986 |
| 4622789 | Roofing systems A roofing system includes a filler member (12) engaging the under sides of the tiles (3) at the eaves of the roof. The filler member (12) is carried by a strip (13) which is pivotable on a spacer member (4), having ventilation apertures (6), the spacer me... | 11/18/1986 |
| 4623321 | Universal coupling for transmitting a movement of rotation and a torque between two shafts operating at a large angle A coupling is adapted to transmit a movement of rotation and torque between two shafts which make therebetween an angle of between 0° and 90° which is fixed or variable. The coupling includes a flexible or elastic wall having, when it is mounted in the ... | 11/18/1986 |
| 4619628 | Arrangement of two elements which undergo an alternating sliding motion and its application in a slidable tripod joint There is provided between a needle plate (9, 10) and a slide (6) which is interposed between a trunnion and a track a return spring (14) formed by a wire of resilient metal having at least one coil (C) which surrounds the slide and two end portions (14b) ... | 10/28/1986 |
| 4619627 | Fluidic shaft coupling assembly A shaft coupling assembly having a first and a second internal fluid chamber system, each containing therein a fluid medium which is placed under pressure when torque is transmitted through the coupling assembly, each of the fluid chamber systems includin... | 10/28/1986 |
| 4617003 | Adjustable friction clutch assembly A clutch assembly capable of providing several predetermined settings, wherein the components which support springs applying torque are not subjected to bending loads. The settings are achieved in that a supporting ring supporting a pressure plate against... | 10/14/1986 |
| 4615687 | Rotary drive coupling A flexible coupling includes a quadrilateral, flex member, which coupling rotatably couples a driving shaft to a driven shaft and accommodates endwise, parallel or angular misalignment between the shafts. The flex member includes corner portions each havi... | 10/07/1986 |
| 4614207 | Thread protector A thread protector with a generally sleeve-like cylindrically shaped body that has a perforate sidewall and protuberances for retaining the body to a threaded member.... | 09/30/1986 |
| 4614506 | Splined propellor shaft in which the splined sections assume a consistent radial relation when rotated A splined, two-piece propellor shaft with radial clearance between the inner and outer splined members which permits them to move radially relative to each other in which an asymmetrical weight distribution around the circumference of at least one of the ... | 09/30/1986 |
| 4613317 | Cardan universal joints A sealing member, which is interposed between an open end of a cap of a needle bearing and a shoulder of a cross spider, is fixedly attached to the open end of the cap so that the variation of the compression of the sealing member when installed in place ... | 09/23/1986 |
| 4613316 | Molded constant velocity coupling A constant velocity coupling characterized by a hub made of a rigid material, a plurality of torque transmitting elements made of a rigid material, and elastomeric sections connecting the hub and the torque transmitting elements. The coupling consists of ... | 09/23/1986 |
| 4610643 | Rotary constant velocity universal joint A universal joint wherein torque-transmitting balls are engaged between complementary grooves formed in an inner and outer joint member, with the balls being supported by a supporting element which is arranged in a jaw-like opening formed on one side of t... | 09/09/1986 |
| 4610642 | Ring segment connection arrangement for link coupling A link coupling having at least one coupling hub and one outer coupling flange interconnected by links or groups of links which are disposed at a tangent to the rotational axis. The links are arranged in pairs at an angle to one another, and are secured a... | 09/09/1986 |
| 4609364 | Universal coupling between a first rotary shaft and a second rotary shaft A coupling for simultaneously transmitting identical rotation and motor torque between two shafts which are inclinable to 90°. It includes a transfer ball (3) constituted by three coaxial meridian disks which oscillate relative to one another, and two tulips ... | 09/02/1986 |
