Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| 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 |
