Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8069954 | Self erecting zipper lift A zipper style lift that coils into a box for storage, but extends to form a rigid, self erecting lift part. The lift stores itself in a housing when retracted, by retracting chain parts into a spiral form. ... | 12/06/2011 |
| 7712583 | Method and apparatus for controlling automatic lifting and lowering type platform Disclosed is a method and apparatus for controlling automatic lifting and lowering type platform that can correct the inclination of a mobile power generator and that can always maintain the level while carrying out automatic lifting and lowering of the generator. T... | 05/11/2010 |
| 7543685 | Elevator An elevator has a mechanical linear drive arranged laterally at an elevator shaft head to drive at least one belt that moves a car and a counterweight in the shaft. The belt is fixed in the shaft at opposite ends and extends about a drive wheel of the elevator drive... | 06/09/2009 |
| 7416056 | Emergency elevator system The present invention relates to an elevator system for use during an emergency. The elevator system comprises two elevator shafts constructed adjacent to each other. Each elevator shaft houses an elevator car. The elevator system operates without the use of a build... | 08/26/2008 |
| 7407040 | Tapered coupler for coupling a motor to a hoist machine There is disclosed a coupling arrangement for coupling a motor to a hoist machine. The coupling arrangement comprises a first drum flange comprising an outer body having a first end and a second end, and an inner wall surface defining a cavity of substantially circu... | 08/05/2008 |
| 7383924 | Machine room-less elevator Rubber vibration isolators are held between a base frame supporting a driving device and an upper deflecting sheave, and a support connected to car guide rails and a counterweight guide rail. The rubber vibration isolators are held between a horizontal member and ve... | 06/10/2008 |
| 7377366 | Sheave assembly for an elevator system An elevator system includes guide rail mounted machine (16) and a sheave assembly (32) that accommodates a guide rail (38) within a hoistway. The inventive sheave assembly includes individual sheave portions (54) rotatable along a common ... | 05/27/2008 |
| 7364019 | Machine-room-less traction sheave elevator The present invention is about a traction sheave elevator, without the machine room, comprising an elevator car that runs on guide rails placed in the shaft and connected to at least one hoisting rope un-coiling on a diverting pulley driven by a traction sheave. The... | 04/29/2008 |
| 7325656 | Elevator installation with device for noise reduction An elevator installation includes an elevator car that moves in an elevator shaft with shaft doors and which car has at least one car apron arranged parallel to a plane of a shaft wall at a shaft door side. A device for reducing noises generated by the air flow aris... | 02/05/2008 |
| 7316295 | Drive unit with brake for an elevator An elevator drive unit includes an engine, an engine stand, a bearing block, a traction sheave and an engine frame with a counter-roller base. The stator of the electric drive is bolted, by means of a flange, to the engine stand. The rotor of the electric drive sits... | 01/08/2008 |
| 7311784 | Plasma processing device This invention relates to a plasma processing system. A common problem in the manufacture of semiconductors is the maintenance of a constant fluid flow throughout the chamber in which the semiconductors are being etched. The focus ring described herein helps control... | 12/25/2007 |
| 7296660 | Residential elevator An elevator for moving a person between two levels. The system includes at least one carriage in a hoist way extending between two floors. A lever arm lifting system moves the carriage. The lever arm may be an articulated lever arm having a primary arm having a firs... | 11/20/2007 |
| 7293631 | Machine room-less elevator There is provided an machineroom-less elevator which can reduce the pit depth in a bottom part of an elevator shaft, mostly perform maintenance work on an upper space of a cage, and reduce a top clearance. A pair of right and left cage-side sheaves are disposed in t... | 11/13/2007 |
| 7287771 | Powered running board with linear drive A powered running board assembly has a deck and at least two hinges extending from the deck for mounting longitudinally the deck to an underside of a vehicle. Each hinge has a mounting bracket configured to mount to the underside of the vehicle. A pair of links pivo... | 10/30/2007 |
| 7270619 | Linear belt actuator a linear actuator capable of transmitting tractive forces as well as thrust forces and operating then as a rigid single-piece rod. The linear actuator has two identical actuating belts (1, 1′) with notches on each of their sides (10, 10′; 11, 11′... | 09/18/2007 |
| 7246688 | Elevator door system An elevator door system includes an elevator car having a front face defining a door opening. At least one elevator door is coupled to the front face of the elevator car for movement between an open position exposing the door opening and a closed position covering t... | 07/24/2007 |
| 7243759 | Tapered coupler for coupling a motor to a hoist machine There is disclosed a coupling arrangement for coupling a motor to a hoist machine. The coupling arrangement comprises a first drum flange comprising an outer body having a first end and a second end, and an inner wall surface defining a cavity of substantially circu... | 07/17/2007 |
| 7232009 | Ascension/descension apparatus and method A pole ascension apparatus and associated method are disclosed. According to one embodiment, the apparatus includes a track connected to a pole and a portable platform portion detachably connectable to the track. The portable platform portion may move upwardly and d... | 06/19/2007 |
| 7225901 | Elevator roping system An elevator, preferably an elevator without machine room, in which the hoisting machine (10) engages the hoisting ropes (3) by means of a traction sheave (11), the elevator car (1) being at least partially supported by the hoisting ropes ... | 06/05/2007 |
| 7210242 | Detection method of lift guide rail perpendicularity and a detector for implementing this method A detection method for measuring lift guide rail perpendicularity and an apparatus for practicing the method. The detection method includes the following steps: selecting several monitoring points on a working surface of the lift under testing, measuring seriatim th... | 05/01/2007 |
| 7207763 | Semiconductor manufacturing system and wafer holder for semiconductor manufacturing system A semiconductor manufacturing system and wafer holder for a semiconductor manufacturing system which prevents a semiconductor wafer from being exposed to a process reaction and which includes a reaction tube for providing a sealed process space and a dual boat and w... | 04/24/2007 |
| 7204348 | Assembly arrangement of a lift drive in a lift shaft An assembly arrangement for a lift construction supports the lift drive at the upper end of both a support column and lift cage and counterweight guide rails, allowing the lift drive load to be transferred to the floor of the lift by each of the supporting members. ... | 04/17/2007 |
| 7191874 | Carrying apparatus The present invention provides a carrying apparatus that prevents an elevating motor and the like from projecting from a stacker crane to hinder the stacker crane from interfering with walls of an automatic warehouse. A traveling vehicle 2 of a stacker crane ... | 03/20/2007 |
| 7178636 | Elevator system A hoisting machine is interposed between a wall of a hoistway and a car when viewed in a horizontally-projected perspective, and a drive sheave is located opposite the wall of the hoistway. Vibration prevention members are located between the hoisting machine and a ... | 02/20/2007 |
| 7178637 | Both-way movable body driving mechanism and elevator using the same The invention provides an elevator apparatus comprising a cage 1 disposed inside a path of upward or downward movement vertically movably, a counterweight 2 vertically movable with the upward or downward movement of the cage 1, and a lift drive ... | 02/20/2007 |
| 7165653 | Elevator gearless traction machine construction A flexible construction for an elevator gearless traction drive machine having a frame that is easily adaptable to traction sheaves of differing widths and diameters while providing the necessary stability for the drive components without an additional structure. Th... | 01/23/2007 |
| 7156209 | Elevator roping arrangement An elevator installation includes an elevator car located in a hoistway and having a floor, and a rear wall extending upward from the floor. A counterweight is located in the hoistway adjacent to the rear wall of the elevator car. An underslung sheave assembly is lo... | 01/02/2007 |
| 7117981 | Load bearing member for use in an elevator system having external markings for indicating a condition of the assembly A load bearing assembly in an elevator system includes a plurality of discernable markings on an external surface of the assembly. A monitoring device includes at least one detector that detects locations of the markings along the length of the assembly. Changes in ... | 10/10/2006 |
| 7044271 | Safety device for pinching zone of elevator doors The described safety mechanism is embodied for elevator systems with an elevator car, which can be displaced in an elevator shaft. The entrances to the elevator shaft and to the elevator car each have at least one sliding door, which is automatically operable by a d... | 05/16/2006 |
| 7019940 | Universal cartridge magazine system and method A universal cartridge magazine system and method are disclosed for storing cartridge systems. The cartridge magazine system comprising a pivoted member, a flag positioner and a sleeve designed to accept the cartridge system, the sleeve having a first side. The pivot... | 03/28/2006 |
| 7019421 | Modular linear electric motor with limited stator excitation zone and stator gap compensation A linear motor system including compartmentalized stator sections provides an interchangeable and serviceable alternative to other linear motors. The stator sections may be individually-energized so that power is only sent to stator sections adjacent to the thrust p... | 03/28/2006 |
| 7014415 | Substrate transfer apparatus, method for removing the substrate, and method for accommodating the substrate A substrate transfer apparatus, for removing a substrate from a substrate accommodating tray accommodating the substrate in a horizontal state, includes a plurality of support pins for raising the substrate accommodated in the substrate accommodating tray above the ... | 03/21/2006 |
| 6983826 | Elevator drive belt An elevator drive belt, while applying a friction force thereto, drives an elevator rope which links an elevator cage and a counterweight together. A rubber hardness of the belt ranges from about 50 to 90 degrees of JIS-A hardness so as to suppress creep slip due to... | 01/10/2006 |
| 6935466 | Lift pin alignment and operation methods and apparatus A lifting mechanism includes a plurality of lift pins which may be driven separately and independently upward to engage an alignment surface of the chamber using ambient atmospheric pressure as the chamber is evacuated by a pump. In the illustrated embodiment, each ... | 08/30/2005 |
| 6892862 | Elevator car with a driving pulley driving machine integrated therein An elevator car (1) includes, a support frame (8) of a cable-driven elevator system without a machine room, with a compact driving pulley driving machine (7), combine with a brake, integrated in this car (1) and/or its support frame (8... | 05/17/2005 |
| 6805222 | Method and apparatus for adjusting steering angle for elevator sheave A steering angle of an elevator sheave on a shaft is adjusted at installation and subsequently during maintenance by one of several embodiments. In one embodiment, a bolt with a jam nut is adjusted to position the shaft precisely. In another embodiment, a tee bracke... | 10/19/2004 |
| 6755283 | Spiral propeller A spiral propeller provides a better secure and a more reliable spiral comprising spiral-lifting wheels, interlocking wheel interlocked with the spiral-lifting wheel, and fixed track supporting the interlocking wheel; the spiral lifting wheel is a rotating wheel wit... | 06/29/2004 |
| 6681898 | Coupling arrangement for coupling a motor to a hoist machine A coupling arrangement for coupling a motor to a hoist machine comprises a first drum flange having an inner surface and an outer surface opposite the inner surface for coupling to a hoist machine to reduce vibrations. The drum flange has a central cavity... | 01/27/2004 |
| 6619432 | Object transport apparatus, drive mechanism for object transport apparatus and method of using object transport apparatus A cable transport apparatus (1) has a first rotational axis (20a, 20c) and a second rotational axis (20b, 20d) that are not in parallel but cross each other with a predetermined angle therebetween. In this way, a V-shaped space is formed between transport... | 09/16/2003 |
| 6598708 | Tapered roller screw apparatus and its driven device A driving apparatus includes a roller screw that includes a main shaft, a plurality of roller shafts projecting radially outwardly and upwardly at an angle from the radial direction of the main shaft and arranged along a helical line there around, and a p... | 07/29/2003 |
