Class 212/331 - Electric

Subclass of Class 212 - Traversing hoists
Definition: Subject matter comprising an electric power means for traversing
No. of patents: 37
Last issue date: 08/09/2011

Number	Title	Issue Date
7992734	Semiconductor automation buffer storage identification system and method A system for reading substrate carriers that includes at least one overhead transport vehicle (OHT) utilizing at least one device for at least one of sensing and/or reading a substrate carrier, and/or wafers arranged therein, when the substrate carrier is proximate ...	08/09/2011
7828164	Suspended platform for overhead traveling carriage A suspended platform is provided which can prevent an article from overturning and falling even when a great quake such as an earthquake occurs. The suspended platform is intended for an overhead traveling carriage which transfers an article having an abutting surfa...	11/09/2010
7775384	Electric motor driven traversing balancer hoist A balancer hoist has an electric servomotor driving irreversible gearing in turn driving a hoist chain drive. A float mode and a manual mode are provided using two independent load sensors for sensing the load weight and force applied to a control grip. A traversing...	08/17/2010
7467723	Electric motor driven traversing balancer hoist A balancer hoist has an electric servomotor driving irreversible gearing in turn driving a hoist chain drive. A float mode and a manual mode are provided using two independent load sensors for sensing the load weight and force applied to a control grip. A traversing...	12/23/2008
7461753	Practical intelligent assist device A practical intelligent assist device is provided that eliminates the complex use of force sensing weigh cells and vector interpreting software. By simplifying the input to a series of traditional voltage inputs, i.e. 1-4 volt signals, the use of standard available ...	12/09/2008
7357376	Device for lifting and stabilizing loads It is described a device for lifting and stabilizing loads, comprising a frame and a height-adjustable crossmember, which is located below said frame, bears the load, and is stabilized by two intersecting telescopic struts that are hinged on the crossmember so that ...	04/15/2008
7270297	Hoist for aircraft cabin construction A device is provided for hoisting a module for mounting into an overhead space, such as the crown of an aircraft fuselage. The device includes a frame that supports the module, and a lifting device that lifts the first frame to properly place the module. The lifting...	09/18/2007
7258325	Modular lift assembly A lift assembly having a drum rotatably mounted to a frame and linearly translatable with respect to the frame. A plurality of head blocks are connected to the frame along a helical mounting path, wherein linear translation of the drum during takeoff or take-up main...	08/21/2007
7255238	Transporting apparatus having vertically movable holding portion The present invention provides a transporting apparatus provided with a sensor for detecting information relating to a relative position in the vertical direction between an article to be transported and a holding portion for holding the article, and a controller th...	08/14/2007
7243870	Portable studio hoist A portable studio hoist which can be positioned and secured in a studio pipe grid or other structural setting without the need for hard wired power supplies or fixed attachments. The portable studio hoist is designed to operate on standard single phase 120 volt powe...	07/17/2007
7210589	Transport apparatus The present invention provides an apparatus for suspending and transporting articles, and is provided with a wobble prevention member that is capable of moving between a support position where it abuts against a lateral surface of an article and a release position, ...	05/01/2007
7185774	Methods and apparatus for manipulation of heavy payloads with intelligent assist devices An intelligent assist method and apparatus are disclosed. The intelligent assist method includes imparting a manual force to a suspended object, determining an angle at which the suspended object is manually forced, generating motorized power to move the object in a...	03/06/2007
7150449	Overhead storage system An overhead storage system for efficiently and conveniently stowing items such as bicycles at ceiling level. The overhead storage system includes a motor connected to a spool unit, a frame supporting the motor and attachable to a ceiling, an extended member extendin...	12/19/2006
6974044	System and device for controlling a load lifting device The invention relates to a system for controlling a load lifting device (1) with a controllable drive (2) and a lifting element (5) which is linked with the drive (2) and which is—at least in a non-operational position due to the gravit...	12/13/2005
6840393	Crane assembly A crane assembly has a bracket, a supporting plate, a crane device, a chain and a chain bag. The bracket has two side plates with wheels connected with each other. Each side plate has a first recess defined in the bottom of the side plate to make the side plate have...	01/11/2005
6752283	Rope hoist provided with traversing machinery A rope hoist provided with traversing machinery, the rope hoist comprising a trolley (2), and in connection therewith a lifting gear (3), a lifting rope (4), rope pulleys (5) and traversing machinery (7) for moving the trolley (...	06/22/2004
6575317	Pendant-responsive crane control This pendant responsive crane control system has a sensor pendulum arranged above a hoist for the crane and a load sensor for determining the load lifted by the hoist. The sensor pendulum serves as a swinging link between the hoist and a crane drive for m...	06/10/2003
6554252	Device and method for wireless lifting assist devices A wireless lifting assist device includes a pulley driven by an actuator which is attached to a ceiling. An end-effector is suspended, via a line, from the pulley and interfaces the object to be maneuvered. The wireless lifting assist device further provi...	04/29/2003
6445094	Hoisting drive for use in the iron and steel industry The invention relates to a hoisting drive comprising several linear motors, as well as to a linear slide track with a carriage. All primary parts and all secondary parts of the linear motors are mounted on the carriage. The hoisting drive comprises a clos...	09/03/2002
6174106	Boat lift apparatus The present invention relates to a stationary boat lift comprised of a housing in which a boat is able to enter and exit with little difficulty. The boat lift allows a boat to bypass various barriers in a efficient and safe manner by vertically lifting th...	01/16/2001
6041949	Overhead lifter for electrical switching apparatus A lifting assembly for lifting an electrical switching apparatus for placement in an electrical cabinet includes a support frame moveable along first and second rail members mounted on the electrical cabinet. The lifting assembly also includes a winch hav...	03/28/2000
5971178	Impact driven hoist A hoist is constructed for powered drive by an impact tool. The hoist includes tension means for applying a force in tension to a load. Gear means are operatively associated with the tension means for producing a tension force in the tension means. The ge...	10/26/1999
5947639	Boat lift apparatus The present invention relates to a stationary boat lift comprised of a housing in which a boat is able to enter and exit with little difficulty. The boat lift allows a boat to bypass various barriers in a efficient and safe manner by vertically lifting th...	09/07/1999
5720400	Portable hoist device A portable hoist is provided for lifting and moving heavy loads a short distance. The hoist has a rectangular frame which supports a movable carriage containing a winch and pulley. The rectangular frame is adjustable along corner legs which allows individ...	02/24/1998
5495956	Crane assembly The invention is a crane system for a building for the assembly of a gas bag for a lighter-than-air vehicle, the building having a floor and a roof thereover with a longitudinal, vertical and lateral axis. In detail, the crane assembly includes a pluralit...	03/05/1996
5490293	Transfer apparatus A method and apparatus for transferring a load (8) carried by a carrier member (12) between two mutually separate transport paths (3a, b). During transfer, the carrier member switches from being suspended by a device (4a) displaceable in the first carrier...	02/13/1996
5138953	Transportation device with a load carrier suspended movably from a rail for a suspended load The object of the invention is a transportation device (1) with a load carrier (3) having on its upper side supports (6) running vertically upwards. Rollers (9, 10) are provided on the ends of the supports, with which the load carrier (3) is attached in s...	08/18/1992
4892203	Hoist swivel support having swivelable surface and bearing inserts A hoist support and method for fabricating the support are disclosed in which a swivel yoke is provided which has a through opening and is affixed to an overhead frame. A swivel body is affixed to the hoist below the yoke and has a swivel head with a swiv...	01/09/1990
4807767	Self balancing electric hoist The specification discloses a self-blancing screw jack that is responsive to small manually applied "upset" loads to move the load in the desired direction. A strain gauge measure the total load and is used to establish a null signal representative of the...	02/28/1989
4733783	Multidirectional material handling support and shuttle systems Material handling systems for supporting and transferring articles within defined areas from one location to another in which cooperatively spaced support plates are mounted within the defined areas and carriages or shuttles are movably supported by the p...	03/29/1988
4687109	Radio controlled electric slack puller, brake and battery recharging system An all-electric radio controlled slack pulling, braking and battery recharging system for logging operations on a moutainside is disclosed. Independent battery powered slack pulling and radio and brake electrical systems are provided, together with altern...	08/18/1987
4668154	Attachment apparatus for crane or the like An attachment apparatus is arranged to be suspended from an overhead travelling crane or other similar means and is employed for a cargo handling operation, for example, unloading an article placed on a shelf or rack. The attachment apparatus includes a f...	05/26/1987
4658971	Self balancing electric hoist A self-balancing screw jack that is responsive to small manually applied "upset" loads to move the load in the desired direction. A strain gauge measure the total load and is used to establish a null signal representative of the load at rest. This nulled ...	04/21/1987
4503984	Telfer carriage The invention concerns a telfer carriage comprising dual end supports a supporting beam, hoisting and displacing machinery and a rope drum. To the end supports has been pivotally affixed the supporting beam lying immediately beside the rope drum and paral...	03/12/1985
4372452	Transfer hoist for disabled persons A lightweight hoist for use in living quarters or patient care facilities to transport disabled persons from one location to another. A flat, unitary, easily manufactured mounting plate provides a main frame that permits the hoist to be easily and inexpen...	02/08/1983
4248353	Apparatus for collecting drippings from a wet load carried by a crane Apparatus is provided for collecting drippings from a wet load carried by a crane having a carriage 14, 16 to which elements 10, 12, 18, 20, 22 for lifting loads are mounted for movement up to and down from a load carrying station beneath the carriage. Th...	02/03/1981
4067460	Arrangement for improving transloading pourable materials by means of a grab bucket An arrangement for improving transloading pourable materials by means of a grab bucket, according to which a hood is carried by a crane member on which a grab bucket is suspended by hoisting means. The arrangement is such that the grab bucket can be pulle...	01/10/1978

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Class 212/331 - Electric