...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7997207 | Railway joint connection arrangement A joint connector for the lower flanges of adjoining running rails is assembled from two abutment pieces that each is seated in a lower flange of a respective rail that forms the joint. By use of centering devices, the correctly aligned positioning of the two abutme... | 08/16/2011 |
| 7004076 | Material handling system enclosed track arrangement A hanger connects an enclosed track rail to a beam such that the enclosed track rail is positioned laterally with respect to the beam. The hanger and the arrangement of the track rail with respect to the beam allows rapid conversion of a material handling system fro... | 02/28/2006 |
| 6854397 | Frame member with traveling rail used in conveyor system and traveling frame assembly using the same A metallic frame member provided for use in a traveling frame assembly, guide rail or receiving rail in a conveyor system. A rear section extends longitudinally of the frame member. A pair of inclined sections are bent in directions in which they extend towards each... | 02/15/2005 |
| 6520090 | Overhead rail system including a U-bracket and an end stop A safety rail system includes a U-bracket for attaching a safety rail to an existing structural member, and an end stop that allows trolleys to be placed on a rail with one hand and removed with two hands, without any removal of bolts and without using an... | 02/18/2003 |
| 6324988 | Device at rails for exhaust extraction devices The present invention relates to a device at rails for exhaust extraction devices, which are adapted for removal of exhausts from vehicles. The rail (2) consists of several rail members (5) which are put together or assembled by means of coupling elements... | 12/04/2001 |
| 6324989 | Load bearing material handling system having pneumatic and electrical delivery capabilities A load bearing material handling system including a rail having a hanger portion, a body portion defining a conduit extending for at least a portion of the length of the rail and a flange portion adapted to movably support a trolley thereupon. The flange ... | 12/04/2001 |
| 6237501 | Three-point suspension system for mounting a tool to a rail system A suspension system for suspending a tool from a pair of parallel rails. The suspension system consists of a support structure, a tool mounting interface and exactly three trolley assemblies. The support structure has three trolley assembly mounting struc... | 05/29/2001 |
| 5881650 | Running mechanism for chain hoists, load carrying means for trailing cable A running mechanism which travels on a running rail comprising a web and a flange. Running wheels are supported by the flange on opposite sides of the web and are rotatably mounted in frame parts which are connected by an articulation arranged below the r... | 03/16/1999 |
| 5809896 | Running gear for chain hoists A running gear, in particular for chain hoists, load carrying and/or trailing cable, which includes a running rail comprising flange parts and a web part. Running wheels which are located opposite one another are supported on the flange parts of the runni... | 09/22/1998 |
| 5711228 | Driven trolley for suspension from and travel on a rail A driven trolley for suspension from and travel on a rail comprised of a pair of co-axial supporting wheels carried on shafts, one of the supporting wheels being disposed for location on each side of the rail, a driving motor having a driving shaft parall... | 01/27/1998 |
| 5664502 | Wheel assembly capable of maintaining engagement with a rail having an uneven portion therein Wheel assembly capable of maintaining engagement with a rail having an uneven portion therein. The wheel assembly includes a frame adapted to pivot about a pivot axis defined by the frame. At least one wheel is rotatably connected to the frame for travers... | 09/09/1997 |
| 5653172 | Transport system for travelling crabs A transport system for moving a load, particularly for use in connection with servicing the surfaces of a building, comprising an elongated rail section (1) which is affixed to a stationary structure, and a travelling crab (3, 4; 5) provided with traversi... | 08/05/1997 |
| 5592883 | Monorail transportation system and vehicle for traveling thereon A monorail transportation system has an elongated, overhead monorail (12) with a vehicle (14) having a coupler (16) that movably travels along the upper surface of monorail (12) and a drive wheel (20) that engages the lower surface or underside of monorai... | 01/14/1997 |
| 5566623 | Wheel and bearing system for a load transporting overhead trolley assembly An improved wheel and bearing assembly for a load transporting overhead trolley with a load support bracket having opposed stems mounting laterally offset wheels in rolling engagement with an overhead track has wheel-incorporated radially inner and outer ... | 10/22/1996 |
| 5524548 | Festoon brake system A trolley system is provided which includes a powered tow trolley that travels along a rail, an end trolley that is fixed to an end of the rail, and several intermediate trolleys that travel along the rail between the tow and end trolleys. All trolleys ar... | 06/11/1996 |
| 5465668 | Overhead cable transport installation having two cables A passenger transport installation in urban aeras comprises a wide track, constituted by two parallel, laterally spaced track cables and vehicles having supporting wheels for running on that track cables. The supporting wheels are located above the vehicl... | 11/14/1995 |
| 5461985 | Traveling trolley, in particular single-rail trolley with compact height The invention is directed to a traveling trolley, in particular a single-rail trolley having a compact height. A traveling trolley constructed in accordance with the present invention includes a supporting frame with running wheels that run on the bottom ... | 10/31/1995 |
| 5419260 | Self-propelled overhead track-mounted moving system A self-propelled overhead track-mounted moving system includes an elongated support rail attachable to an overhead support structure, a carrier trolley mounted for undergoing movement along the support rail, an actuation unit supported on the support rail... | 05/30/1995 |
| 5361890 | Conveyor trolley assembly A conveyor trolley assembly comprises a molded plastic one-piece trolley body having a yoke defined by a base portion and a pair of arms extending symmetrically therefrom to a pair of transversely spaced extremities. The yoke and pair of arms are formed a... | 11/08/1994 |
| 5357868 | Trolley apparatus with reinforced plastic wheels and interlocking plastic bushings A trolley assembly is provided including a pair of trolley brackets with an axle extending outwardly from each of the trolley brackets. Bushings adapted to rotatably engage each of the axles are provided with a wheel fixedly attached to each of the bushin... | 10/25/1994 |
| 5277298 | Conveyor trolley bracket A forged conveyor trolley bracket has head, arm and base portions bounded by sides, and a bent elbow formed in the arm portion medially of the head and base portions. A web, disposed centrally between the sides along the base and arm portions, has outer a... | 01/11/1994 |
| 5188035 | Horizontally flexible conveyor A flexible conveyor line comprises (i) an integrally-formed central nonflexible rail which is movable in a horizontal plane, (ii) a first integrally-formed outer nonflexible rail which is immovable, (iii) a second integrally-formed outer nonflexible rail ... | 02/23/1993 |
| 5101734 | Flexible rail A flexible rail comprises rail pieces arranged in line, laterally opposed side plates, and laterally opposed connecting plates. Each rail piece includes a generally I-shaped member and a shelter member which is fixed to a top of the I-shaped member. The o... | 04/07/1992 |
| 4984523 | Self-propelled trolley and supporting track structure A self-propelled trolley and supporting track structure, the trolley forming a housing for a four wheel drive mechanism which is coupled to a driving motor attached to the housing and to a pair of axles each equipped with a pair of driving and supporting ... | 01/15/1991 |
| 4921167 | Carrier section including flange member for connection to a guide rail A connection assembly for connecting guide rails to the flange of a load carrying member includes clamping elements and bolt members in-connection with the T-shaped groove of the flange of the load carrying member and the guide rails for securing the guid... | 05/01/1990 |
| 4858752 | Wheel assembly for conveyer system A wheel assembly for an overhead conveyor system is disclosed. The wheel assembly includes a self-lubricating thermoplastic wheel having a central opening with a conical section therein. An internally threaded axle member having a conical head is inserted... | 08/22/1989 |
| 4779537 | Track rail The invention relates to a track rail for a suspension conveyor system particularly for the convenience of materials in the textile industry, having a cross-sectional configuration comprising a pair of roof-shaped converging legs each formed with a roller... | 10/25/1988 |
| 4746291 | Bakery and pastry oven The present invention relates to a bakery and pastry oven, of the type which is capable of receiving therein a tray-carrying truck, and of subjecting the said truck to a rotatory motion during the cooking process, which oven has been substantially improve... | 05/24/1988 |
| 4715288 | Apparatus for the overhead transportation of heavy loads on a monorail An apparatus for the overhead transportation of loads on a monorail, comprising in combination: a tractive trolley (1) connected in an articulated manner to at least one idle truck (11) consisting of a girder (23) carrying a load, the girder being restrai... | 12/29/1987 |
| 4682547 | Amusement ride with vehicles supported by universally hinged wheel groups An amusement ride installation of a closed track figure eight configuration has passenger carriers suspended to swing from a plurality of support rods pivotally mounted to a single carriage. Each carriage has a frame made of transverse and longitudinal me... | 07/28/1987 |
| 4641587 | Suspended motorized vehicle The invention relates to a suspended motorized vehicle traveling on a line consisting, in its straight sections, of rails placed on track cables held by suspender cables tied to main cables and comprising, for the curved sections, rigid shapes supported b... | 02/10/1987 |
| 4603638 | Train system with variably tilting rail A train system includes (a) a train car, (b) a support for the car adapted to be guided along a rail having variable angular tilt along its length and relative to horizontal, whereby the support assumes the tilt of the rail, and (c) a gimbal coupled between th... | 08/05/1986 |
| 4567334 | Suspended combined electric current collection and traction systems A track for a suspended combined electric current collection and traction system including a base (22) and a resilient shield (26, 28) together defining an elongate space divided into two halves by a resilient beam (32), each of which contains a conductor... | 01/28/1986 |
| 4552073 | Suspended load transport apparatus A monorail carriage for use with H-beams wherein carriage rollers mounted on frame-cantilevered shafts remain in continuing full-length running engagement with the monorail beam flanges throughout varying downward load deflection of such flanges. Rockable... | 11/12/1985 |
| 4531460 | Material handling system A material handling system of the monorail and crane type is adaptable to carry relatively heavy loads and light loads through convenient structural modification using common component parts. The system is comprised of a double track 40 for heavy loads, f... | 07/30/1985 |
| 4520732 | Amusement ride An amusement ride has an endless path defined by a rail from which the vehicle is suspended by a strut which, at its upper end, is swingable in a deformable frame on a yoke which is likewise pivotal on this frame and carries stirrups by which brackets are... | 06/04/1985 |
| 4491073 | Train system with variably tilting rail A train system includes (a) a train car, (b) a support for the car adapted to be guided along a rail having variable angular tilt along its length and relative to horizontal, whereby the support assumes the tilt of the rail, and (c) a gimbal coupled between th... | 01/01/1985 |
| 4484525 | Plastic monorail conveyor trolley A plastic conveyor trolley for an inverted T-bar monorail conveyor track is provided. The conveyor trolley comprises a pair of upper track-supported wheels and pairs of lower wheels engageable with and rotatable at times upon the underside surfaces of the... | 11/27/1984 |
| 4471867 | Plastic monorail conveyor structure A monorail conveyor system having an inverted plastic T-bar monorail track suspended from supporting structural members conjoined by conventional bolt and nut fasteners, a plurality of plastic conveyor trolleys operatively movable on the T-bar monorail by... | 09/18/1984 |
| 4464996 | Conveyor apparatus The invention relates to a conveyor apparatus, particularly for intra-plant conveyance, comprising a conveyor rail system and a plurality of carrier units straddling the rail from below and resting thereon through rollers for travelling along at least one... | 08/14/1984 |