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| Number | Title | Issue Date |
| 7856930 | 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... | 12/28/2010 |
| 7677181 | Interlocking precision flexible rail system An interlocking precision flexible rail system for carrying a positionable machine tool employs a first rail element having a first step on a lower surface extending from a first end to a termination at a predetermined length and a second rail element having a matin... | 03/16/2010 |
| 7395764 | Assist apparatus and method An apparatus for assisting an elderly or physically limited individual in walking or carrying items up or down a stairway includes a guide rail assembly fixedly positioned along the wall of a stairway. A handle is connected to a support bar assembly, and the support... | 07/08/2008 |
| 7377475 | Television mount assembly A television mount assembly includes an elongated railing has a first end and second end. The railing is attached to a ceiling with a plurality of brackets. A pole has a top end and a bottom end. The pole has a pair of bends therein so that the pole includes a first... | 05/27/2008 |
| 7363864 | Mechanic's track creeper A mechanic's track creeper is described, which includes a body, and a rail interface coupled to the body, wherein the rail interface of the creeper is operatively engageable with a rail having a translational axis, wherein the rail interface of the creeper comprises... | 04/29/2008 |
| 7310833 | Swimming pool lift and transfer bar A lift is provided to facilitate access to swimming pools and spas. The lift includes a base and a mast extending therefrom. An arm pivotally connects to the mast. A seat assembly connects to the arm. An overhead support is positioned above the seat assembly. A firs... | 12/25/2007 |
| 7291097 | Ambulatory patient support mechanism An ambulatory patient support mechanism, for use in hospitals and the like for assisting patients in walking along hallways, corridors, and the like. The mechanism includes a specially developed U-shaped support frame, configured to support a person in an upright po... | 11/06/2007 |
| 7270505 | Cutting and beveling tool A cutting tool and mounting system includes a tool carrier arranged to be mounted onto a workpiece, a cutting tool assembly carried by the tool carrier, and a tracking assembly connected to the cutting tool assembly and positioned to follow the contour of an outer s... | 09/18/2007 |
| 7216408 | Flexible rail multiaxis machine tool and method A flexible rail machine tool couples temporarily to a structure by vacuum cups and positions a tool head at any desired point over an area. The toolhead can perform operations such as drilling, bolt insertion, and acquisition of dimension data. The flexible rail can... | 05/15/2007 |
| 7185407 | Side rack rail system apparatus and method A rail system for positioning a toolhead above a workpiece uses a rack cut into one edge of the rail and driven by a pinion gear whose shaft is approximately perpendicular to a workpiece to couple the rail to the toolhead. Multiple rollers placed on the toolhead all... | 03/06/2007 |
| 7165630 | Methods for manufacturing operations using non-contact position sensing Apparatus and methods for manufacturing operations using non-contact position sensing are disclosed. In one embodiment, an apparatus includes a track assembly adapted to be attached to a workpiece, a carriage assembly moveably coupled to the track assembly and movea... | 01/23/2007 |
| 6966731 | Cutting tool and track guidance system A cutting tool and track system includes a multi-segment track assembly configured to be removably attached to a surface of a workpiece, a carriage assembly configured to ride along the track assembly, a carriage drive mechanism arranged to drive the carriage assemb... | 11/22/2005 |
| 6561103 | Pallet conveyor system A pallet conveyor system includes a rail assembly and a pallet assembly. The rail assembly including parallel and spaced-apart rail supports that each has a cylindrical rail disposed thereon. An intermediate support is positioned between the rails and inc... | 05/13/2003 |
| 6494307 | Flexible track and carriage system A track and carriage system is provided for moving a work piece along a flexible track (10). The system includes a track (10) having at least one track segment (12), the track segment (12) including a rack assembly (16) formed by a plurality of spaced rac... | 12/17/2002 |
| 6305294 | Apparatus traveling on closed track on wall surface The present invention provides an apparatus for traveling on a closed track on the surface of a wall in which the moving platform can circuit along a rail forming a closed track while being maintained in the same orientation. To this end, a crawling-type ... | 10/23/2001 |
| 6220174 | Guidance system with a truck guided on a rail A guidance system with a truck guided on a rail (1) has available laterally arranged guiding surfaces (2.1, 2.2) for guide rollers of the truck. A rack (4) is preferably constructed on the rail (1) such that a dividing line (6) of a gearing (5) of the rac... | 04/24/2001 |
| 6158666 | Vacuum fastened guide and method for supporting tooling on a component The present invention relates to vacuum fastened guide that supports and facilitates movements of a machining device along at least one component to be operated upon. The guide includes a primary rail that is vacuum coupled to the component. The primary r... | 12/12/2000 |
| 6098550 | Streamline track system for self-driving carriers A track system for at least one self-driving carrier to run along a streamline guide rail combined with a gear way which comprises a plurality of straight and curving gear way segments molded with reinforced thermosetting resin and connected with each oth... | 08/08/2000 |
| 6070534 | Conveying system A conveying system for transporting loads utilizes a transport cart that is supported by rollers. The transport cart is supported by the rollers adjacent several serially arranged revolving drives that each have a plurality of spaced recesses. At least on... | 06/06/2000 |
| 5924365 | Conveyor system with conveyor carriage running on rails A conveyor carriage has running wheels guided in rail parts so as to prevent the conveyor carriage from lifting off transversely to the plane of the rails. Each conveyor carriage contains a driving unit with at least one driving wheel prestressed against ... | 07/20/1999 |
| 5735214 | Streamline track system with carriers and rail A track system for roller-equipped carriers to run along a straight and/or curving guide rail, which includes two pairs of opposed parallel plain lanes, a pair of oppositely directed parallel V edges intermediate the two pairs of plain lanes, and narrow l... | 04/07/1998 |
| 5709154 | Monorail access system for making a boat handicapped accesible A monorail access system for making a boat handicapped accessible. More specifically, a battery powered chair assembly is suspended from an overhead monorail track system, whereby by activating a control mechanism an individual may maneuver anywhere in th... | 01/20/1998 |
| 5700061 | Guide and drive arrangement for the winning machines of mineral winning installations A mineral winning installation employs a shearer which is moved along a scraper-chain conveyor compound of individual pans mounted end-to-end. the shearer extends over the conveyor and is guided by guides provided at both sides of the conveyor. The body o... | 12/23/1997 |
| 5562043 | Rail and carriage system with magnetically adhered plastic track A system for moving a work element along a work surface for performing work thereon includes an elongated track of flexible plastic material formed with gear teeth along one edge thereof. A carriage having a drive motor and a drive wheel driven thereby, i... | 10/08/1996 |
| 5547261 | Movable rack system for longwall conveyor means In longwall conveyors 1 with a lantern pinion 10 arranged on the winning face side, an advantageous cooperation with the machine roadway 6 is made possible in that the lantern pinion 10 consists of several racks 21, 22, 23 which are arranged so that each ... | 08/20/1996 |
| 5547262 | Guide rail for scraper conveyor of mining machine A mining apparatus has a longitudinally extending conveyor, a guide-rail assembly secured to the conveyor and forming an upwardly open cruciform passage, a drive chain in the passage, and a mining machine displaceable along the assembly and having a tooth... | 08/20/1996 |
| 5522322 | Motorized system and method for aiding physically-impaired persons in moving between different positions A system and method for aiding physically-impaired persons in moving between different positions employs a longitudinally-extending elongate track, an upper body support assembly movably mounted on the track, and a motor for driving the support assembly a... | 06/04/1996 |
| 5398617 | Overhead rail conveyor system with improved traction having elastically deforming wheel or rail portions A conveyor system for moving loads, comprises including an overhead rail (11, 211) along which run motor-driven carriages (10), each carriage having a motor-driven wheel (13, 113, 213, 313, 413, 513) resting on the upper part of the rail and a frame (12, ... | 03/21/1995 |
| 5363771 | Motorized portable system for aiding persons in ascending or descending stairways A portable system for aiding persons in ascending or descending stairways comprises either a motorized portable upper body support assembly or a motorized vehicle for detachably drivingly engaging elongate tracks associated with different stairways. The d... | 11/15/1994 |
| 5323962 | Flexible guide system A flexible guide-track system, including a guide track constituted by a leaf spring formed of a plurality of stacked, elastically resilient leaves joined to one another along their longitudinal extent and slidable relative to one another for some distance... | 06/28/1994 |
| 5269227 | Motorized portable system and method for aiding persons in ascending or descending stairways A portable system for aiding persons in ascending or descending stairways comprises either a motorized portable upper body support assembly or a motorized vehicle for detachably drivingly engaging elongate tracks associated with different stairways. The d... | 12/14/1993 |
| 5203265 | Self-propelling, multi-route transport for movement along both horizontal and vertical sections of track A self-propelling transport having utility as an elevator system in a high rise building, the transport having a vehicle unit that rides on a track unit that includes a stationary drive chain that is engaged by a sprocket wheel assembly on the vehicle uni... | 04/20/1993 |
| 5174217 | Conveyor having self-propelled carriers with a first motor for high speed driving and a second motor for low speed driving A conveyor comprising a plurality of self-propelled carriers adapted to run along a rail, the rail having a first drive wheel bearing surface facing upward and a plurality of downward teeth formed at least at a gradient portion of the rail, each of the ca... | 12/29/1992 |
| 5165504 | Apparatus for displacing an article in parallel with the curvature of and in proximity to a surface of variable profile An apparatus for displacing an article or a person in parallel with the curvature of and in proximity to a surface of variable profile possessing convex and/or concave parts, as the case may be, comprising a support for the article to be displaced in the ... | 11/24/1992 |
| 5165348 | Conveyor having self-propelled carriers and track with pivotal ratchet pawl teeth to ensure smooth transition between friction drive and pinion drive A conveyor comprising a plurality of self-propelled carriers adapted to run along a rail, which is provided with a rack disposed at a gradient portion thereof and having a plurality of downward teeth. Each of the carriers has a gear meshable with the rack... | 11/24/1992 |
| 5115747 | Free transfer machine with independent motorized carriages and battery recharging at work stations The present invention relates to a free transfer machine equipped with independent motorized carriages. Each carriage comprises a variable speed motor, a rechargeable battery connected to contact blocks, and an individual travelling control system compris... | 05/26/1992 |
| 5086705 | Linear positioning system The present invention is a positioning system providing precise linear and arcuate movements of the carriage along either straight or curved sections of rail comprising a pair of pivoting bogies attached to the carriage which have a pair of oppositely-dir... | 02/11/1992 |
| 5070792 | Multi-position travelling carriage with flexible track The invention relates to the use of a thin flexible track of spring steel having a series of perforations therethrough for use in conjunction with a variable speed travel carriage having a carriage drive sprocket which is studded about the periphery with ... | 12/10/1991 |
| 5060405 | Material moving apparatus A bucket loader wherein the bucket is pivotally mounted at one end of an arm. The other end of the arm is pivotably connected to the locomotive of a multiple-trolley train which is mounted for travel along an overhead monorail in a surface mine or in an u... | 10/29/1991 |
| 4966080 | Free transfer machine with independent motorized carriages The present invention relates to a free transfer machine equipped with independent motorized carriages. Each carriage comprises a variable speed motor, a rechargeable battery connected to contact blocks, and an individual travelling control system compris... | 10/30/1990 |
