Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 8021119 | Locking plate fast fastening ceiling fan blades A locking plate fast fastening ceiling fan blades includes a clamp plate. A chute is formed on the clamp plate, where a pushing board is contained. The clamp plate in the chute is provided with a first wedge unit and a thru hole. Thus, when a set of blades is instal... | 09/20/2011 |
| 7677870 | Screw in blade/vane A turbo machine airfoil, such as a blade or a vane in a compressor, in which the airfoil root portion includes screw threads having a dove tail cross sectional shape, and the rotor disk includes holes having similar screw threads such that a blade or vane can be eas... | 03/16/2010 |
| 7320735 | Fan cleaning method and apparatus A simple yet effective system for cleaning fans and air circulators facilitates the cleaning of ceiling and hard-to-reach units without having to remove the blades or other parts to be cleaned. A flexible bag encloses parts of a fan to be cleaned. A source of compre... | 01/22/2008 |
| 7281899 | Quick assembly blades for ceiling fans Easy to attach and detach blades for overhead ceiling fans. A first version has a ceiling fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away from the arm locks the slots to the fasteners. A second version is si... | 10/16/2007 |
| 7175392 | Ceiling fan motor with stationary shaft A ceiling fan motor includes a motor housing having an end wall and a side wall; a stator assembly mounted within the housing; a rotor assembly mounted within the housing to rotate relative to the stator assembly; and a fan blade hub adapted to have fan blades mount... | 02/13/2007 |
| 7172392 | Passive speed and power regulation of a wind turbine A wind turbine with at least one blade having a pitch axis that is offset laterally so that the blade does not intersect with an axis of rotation of the wind turbine, and a center of mass and an aerodynamic center are offset from the pitch axis in the direction para... | 02/06/2007 |
| 7168670 | Quick ceiling fan housing and canopy installation assembly A ceiling fan anchoring bracket and housing assembly for quick and easy installation of the ceiling fan housing for either hugger or down-rod fans is disclosed. The assembly comprises of hook-up pins and lock-up pin fastened on and protruding from the anchoring brac... | 01/30/2007 |
| RE39448 | Connecting device for connecting a fan blade to a rotor of a motor of a ceiling fan A connecting device includes a bottom member with a periphery for attaching on a rotor of a motor, a circumferential wall which extends upwardly from the periphery, and a mounting arm which has an anchored end adapted for mounting the fan blade thereon and an anchor... | 12/26/2006 |
| 7146971 | Impeller and a supercharger for an internal combustion engine An impeller for a supercharger for an internal combustion engine and a supercharger incorporating such an impeller is disclosed. The impeller includes a molded upper part having a top wall defining a top opening. The top wall extends outwardly to a lateral edge and ... | 12/12/2006 |
| 7134844 | Install blade bracket for a ceiling suspended fan A install blade bracket for a ceiling suspended fan comprises: a discal seat is disposed at a bottom of the rotary assembly, the discal seat is formed with a recess, in the recess are defined a plurality of locking cavities and a plurality of receiving cavities, a p... | 11/14/2006 |
| 7101153 | Fabric fan blade and fan body trim The conventional fan blade is replaced by a frame over which any of a wide range of decorative fabrics or other similar materials is drawn and secured by a clamping method to form a lightweight fan blade of any surface design desired by the user. The decorative fabr... | 09/05/2006 |
| 7051791 | Cooling apparatus and electronic equipment The rotation of axial-flow blades permits air entered through an inlet port to exit directly to outside of a case in the axial direction, and the rotation of centrifugal blades permits air entered through the inlet port to exit through a side surface outlet port to ... | 05/30/2006 |
| 7008192 | Ceiling fan blade attachment assembly A fan comprising one or more releasable fan blades secured to a hub portion. A spring biased pin may be mounted in a motor housing to automatically secure a fan blade when it is connected with a motor body. ... | 03/07/2006 |
| 6972956 | Collapsible fan and system and method incorporating same A collapsible fan. The collapsible fan may be disposed in parallel or series with one or more other fans. If the collapsible fan becomes inactive or non-operable, such as by malfunction or failure, then its fan blades collapse to a less restrictive flow configuratio... | 12/06/2005 |
| 6971847 | Fastening system Components must often be released again from their holder for maintenance. Since the fastenings are often very complicated, it takes a considerable amount of time to release them. A fastening system is one where components can be fastened in a rotationally locked ma... | 12/06/2005 |
| 6935842 | Ceiling fan blade mounting assembly for ceiling fan The present invention relates to a ceiling fan blade assembly, including: a mounting bracket has a positioning portion and a mounting portion, and an arm being disposed between the positioning portion and the mounting portion for connecting them together, the positi... | 08/30/2005 |
| 6932576 | Quick connect ceiling fan blade A ceiling fan (10) is disclosed having a motor housing (11) with an electric motor to which is mounted an annular array of blade irons (14) each having a blade (15) mounted thereto. Each blade has two, catch mounting holes (17) and... | 08/23/2005 |
| 6931844 | Fluid coupling A fluid coupling comprising a pump having an annular pump shell with an annular core ring mounted on a pump hub and a plurality of impellers radially arranged in the pump shell, and a turbine arranged facing the pump and having an annular turbine shell with an annul... | 08/23/2005 |
| 6916156 | Connecting assembly of a ceiling fan for fixing blades A connecting assembly of a ceiling fan for fixing blades includes a connecting device mounted to a motor of the ceiling fan and a seat having multiple grooves radially defined in a bottom of the seat. The grooves extend to an outer periphery of the seat. A channel i... | 07/12/2005 |
| 6902374 | Ceiling fan A ceiling fan comprising an annular array of blade irons (14) adapted to be rotatably driven by a motor, said blade irons having opposite sides (15) formed with at least one notch (18), a plurality of fan blades (25) with each blade beari... | 06/07/2005 |
| 6896481 | Deflectable enclosure cover A water pump includes a first enclosure having a center portion that is moveable from a normal condition to a deflected condition and a second enclosure adjacent to the first to form an internal cavity. An impeller is disposed within the internal cavity. A tubular s... | 05/24/2005 |
| 6863499 | Quick connect blade iron system A ceiling fan quick connect blade iron system (10) is disclosed which is coupled to a conventional ceiling fan electric motor (11) having a lower portion (12). The motor lower portion has an annular array of threaded mounting holes (13) t... | 03/08/2005 |
| 6821091 | Securing device A securing device for securing a connecting arm to a ceiling fan blade. The blade includes a hole through which a male member of the arm is inserted. The securing device includes a plate having an aperture through which the engagement end subsequently extends with t... | 11/23/2004 |
| 6802694 | Quick assembly blades for ceiling fans Easy to attach and detach blades for overhead ceiling fans. A first version has a ceiling fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away from the arm locks the slots to the fasteners. A second version is si... | 10/12/2004 |
| 6767186 | Fan with automatic failure mode An airflow apparatus (e.g., a fan, a blower) is provided for impeding or facilitating airflow through a channel when the apparatus is inoperative. The apparatus comprises a set of blades or airfoils that, when operating, promote or force a flow of air through the ch... | 07/27/2004 |
| 6755609 | Radial pump A radial-flow pump (1), and especially a coolant pump for an internal combustion engine, comprising an impeller (2) provided with vanes (5) and a directing device (4) including at least one temperature- and/or speed-sensitive element for ... | 06/29/2004 |
| 6736601 | Impeller for an axial flow fan and a method of mounting a blade on a hub for such fan An impeller (1) for an axial flow fan comprises a hub (2) supporting the blades (3). The hub (2) has bores (5) in its peripheral surface, whereby each bore (5) has a first radially inner section (10) with larger diame... | 05/18/2004 |
| 6726453 | Quick-release fan blade mounting structure for ceiling fan A fan blade mounting structure is constructed to include a first coupling unit fixedly located on the rotor of a fan motor assembly, the first coupling unit having a spring-supported hook and a control rod adapted to move the hook between the locking position and th... | 04/27/2004 |
| 6719531 | Ceiling fan blade for quick assembly A ceiling fan blade with quick assembly comprises a connector disposed below a disc of the ceiling fan, and a blade holder coupled to the connector, in which the connector has an embedded hole at the end of its insert rod; a blocking groove on the vertical surface o... | 04/13/2004 |
| 6692233 | Lockable quick-release blade assembly for ceiling fans A lockable quick-release blade assembly for ceiling fans is disclosed. The lockable blade assembly comprises a fan blade having one end for inserting into a blade receiving slot in a fan rotor. The blade inserting end is provided with a notch on the longi... | 02/17/2004 |
| 6676376 | Locking fan blade tongue and hub assembly The present invention provides for an easily installed ceiling fan. The fan includes a quick-connect device for physically mounting the fan blades to a ceiling fan hub. The fan blades may be re-positioned from an operating position to an assembly position... | 01/13/2004 |
| 6652236 | Fan blade assembly and method of assembling A fan blade assembly includes a mounting arm having a first end adapted to engage a fan rotor and a second end adapted to receive a fan blade. At least two mounting posts are disposed on the second end of the mounting arm and a fan blade has apertures for... | 11/25/2003 |
| 6494682 | Ceiling fan assembly and method for assembling same A fan assembly according to which a block member is connected to a rotor end casing and an arm member having a blade connected thereto is mounted to the block member. One of the members has a radially extending slot formed therein and the other member has... | 12/17/2002 |
| 6352411 | Quick install blade arms for ceiling fans Quick attachable and detachable mounting arms for ceiling fans. A first version has flat headed fasteners initially attached to one end of mounting arms, with key-hole slots in the endshield of the ceiling fan motor. The user raises the mounting arm so th... | 03/05/2002 |
| 6309183 | Blade arm Easy to attach and detach blades for overhead ceiling fans. One version has a fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away from the arm locks the slots to the fasteners. A similar second versio... | 10/30/2001 |
| 6261064 | Combination of ceiling fan bracket and motor casing A ceiling fan bracket has a first end connected to a ceiling fan blade and a second end of the ceiling fan bracket has two L-shaped wings. A connector is connected to the second end of the ceiling fan bracket and has two tongues. A motor casing has a plur... | 07/17/2001 |
| 6241475 | Ceiling fan assembly and method for assembling same A fan assembly and a method of assembling same according to which a mounting flange is provided on an arm to which a blade is connected and a slot is provided in the rotor end casing of the fan motor. The flange is inserted in the slot and a wedge is crea... | 06/05/2001 |
| 6171059 | Quick assembly blades for ceiling fans Easy to attach and detach blades for overhead ceiling fans. A first version has a ceiling fan blade with keyhole slots that fit over flat topped fasteners on a mounting arm. Pulling the blade away from the arm locks the slots to the fasteners. A second ve... | 01/09/2001 |
| 6155786 | Ceiling fan assembly and method for assembling same A fan assembly and a method of assembling same according to which a mounting flange is provided on an arm to which a blade is connected and a slot is provided in a mounting ring. The flange extends in the slot, and a retainer engages the arm member. The r... | 12/05/2000 |
| 6149388 | Combination of a blade bracket and a collar of a ceiling fan A collar of a ceiling fan is composed of a plurality of sectors and each sector has a protrusion extending from a top thereof and a recess defined in an outside thereof. A resilient member is connected to each sector and includes a first portion having an... | 11/21/2000 |