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| Number | Title | Issue Date |
| 7316308 | Supporting device of a transport device of a soldering apparatus The invention relates to a supporting device of the transport device of a soldering apparatus for the conveying of printed-circuit boards with at least two revolving, endless transport chains, said transport chains running in guide rails in the transport zone and ea... | 01/08/2008 |
| 7281627 | Forged chain link assembly The forged chain link assembly comprises a forged chain link having a male end and a female end which cooperates with an opposite end of an adjacent link to form a chain, each end having a bore therein which cooperates with a bore in the opposite end of an adjacent ... | 10/16/2007 |
| 7255220 | Conveyance system A conveyance system, wherein dividable horizontal conveyance units are connected to each other through joint plates and a support post and rails of the horizontal conveyance units are connected to each other without any step and clearance. A joint conveyance carnage... | 08/14/2007 |
| 7243605 | Car wash conveyor An auto-laundry conveyor of three-tier design using upper, lower and intermediate track rails with a narrow slot between them. Dollies are provided in an endless loop conveyor chain and each dolly comprises a combination of a center link, a pair of reversely similar... | 07/17/2007 |
| 7201105 | Conveyance apparatus using movable bodies Guided devices are connected to the front and rear ends of the main body of a moving body. Each guided device is connected in a relatively rotatable fashion about a lateral axle to the lower part of a vertical shaft. A lateral roller supporting body is connected to ... | 04/10/2007 |
| 7127997 | Friction drive conveyor The present invention relates to a friction drive conveyor including carriers 1, which can be propelled along a track by frictional wheels 30 fitted along the track. Each frictional wheel 30 can be driven by a brakeless motor 29. A sensor... | 10/31/2006 |
| 6997303 | Carrier conveyor system The present invention is directed to a carrier and conveyor system that permits the carrier to be driven by at least two different types of conveyors or drive assemblies, including a power and free conveyor. The system includes a plurality of carriers, first and sec... | 02/14/2006 |
| 6679185 | Adjustable shock absorbing tow bar The trailing, load supporting component of a product conveyor is connected to a powered, leading component by a shock absorbing tow bar that employs relatively movable friction elements in a sandwich configuration to absorb the shock by sliding engagement... | 01/20/2004 |
| 6679370 | Conveying apparatus The conveying apparatus comprises a conveying path, a return path, an endless circulating driver and pallet supporting and driving means. The conveying path includes a horizontal inlet path, a horizontal outlet path, and an inclined path connected to at l... | 01/20/2004 |
| 6675954 | Conveyor system accessories Conveyor system accessories are disclosed, which provide an inexpensive way to stage, stockpile and/or sort work pieces and provides easy entry to and exit from a main conveyor. In particular, a trolley or trolleys that carry work pieces ride on the conve... | 01/13/2004 |
| 6647894 | Car wash wheel push roller dolly A car wash wheel push roller dolly (20) is used for transporting a vehicle by pushing the vehicle wheel on a horizontal track in a car wash system consisting basically of a polyurethane dolly body (22) with an integrally formed upward portion (36) and a g... | 11/18/2003 |
| 6637342 | Conveyor carrier The present invention is directed to a conveyor assembly and carrier for use with a conveyor wherein the carrier includes a frame having a longitudinal axis, a first pair of load wheels rotatably coupled to the frame, and a first pair of stabilizer wheels... | 10/28/2003 |
| 6609608 | Drag catch conveyor A drag catch conveyor including an endless, driven pulling chain which can be moved along a specified path, supporting blocks mounted to the pulling chain, a number of drag catches mounted to the pulling chain in mutually overlapping relation so as to be ... | 08/26/2003 |
| 6588579 | Conveyor system accessories Conveyor system accessories are disclosed, which provide an inexpensive way to stage, stockpile and/or sort work pieces and provides easy entry to and exit from a main conveyor. In particular, a trolley or trolleys that carry work pieces ride on the conve... | 07/08/2003 |
| 6553916 | Car spotter drive The present invention provides a low clearance, compact guideway, train positioning system that can be installed in close quarters alongside an existing railroad track. The system is chain driven and features an improved over/under or vertical sprocket ca... | 04/29/2003 |
| 6494304 | Production operation with power and free pallet conveyor The present invention is directed to a pallet conveyor system that includes a pallet assembly having a pallet and a workpiece coupled to the pallet, a production area where a production task is performed on the workpiece, and a delivery area wherein the p... | 12/17/2002 |
| 6435099 | Powered pushing unit A powered pushing unit transfers ads no greater than a predetermined magnitude in one direction along the length of a load transfer system. The pushing unit includes a frame and a source of power for moving the pushing unit back and forth along the length... | 08/20/2002 |
| 6422153 | Car wash conveyor track section construction and combined chain take up and roller control unit therefor A car wash conveyor including a simplified and improved track structure using cut out flat support plates for mounting three tiers of tracks. The support plates allow equal widths of an intermediate and lower track, and incorporation of integral stanchion... | 07/23/2002 |
| 6397756 | Amusement device To move a rail-borne vehicle (2) over a preferably ascending partial section, a finite chain section (8) is pulled in a stationary guide (13) in parallel to the rail (23) using a cable (9). The vehicle (2) engages the chain section (8) via a chain hook (1... | 06/04/2002 |
| 6374747 | Sound abatement methods and conveyor trolleys A sound abatement method includes applying a sound abating material to at least one area of at least one component of the moving trolley. A sound abatement conveyor trolley includes a trolley body having at least one wheel for traveling in a track and one... | 04/23/2002 |
| 6367612 | Retractable pusher dog for power and free conveyors A retractable pusher dog for an overhead power and free conveyor system is provided. The retractable pusher dog comprises a body portion formed from a rectangular cylinder with a spring and pusher member disposed within the cylinder. When a force greater ... | 04/09/2002 |
| 6324992 | Hybrid carrying truck A hybrid carrying truck is disclosed which has merits of both of a skid carrier and a carrying truck such that it can successively and smoothly transfer between different carrying lines to carry a work whatever the carrying lines are and can secure a remo... | 12/04/2001 |
| 6186073 | Pusher roller assembly for a car wash conveyor A roller assembly for car wash conveyors having three pairs of pusher rollers on the upper end of a conveyor roller bar in order to reduce and make more uniform the roller wear. The roller pairs are arranged to respectively engage the upper, intermediate ... | 02/13/2001 |
| 5690032 | Device for preventing reverse run of carrier of trolley conveyor A reverse run prevention device is provided for use in a trolley conveyor having carriers adapted to run and stop on a rail via engagement and disengagement with pusher dogs on a drive chain. The reverse run prevention device includes an over-running clut... | 11/25/1997 |
| 5669309 | Accumulating conveyor system An accumulating conveyor system for shuttling conveyor trucks along a conveyor track from a drop off point at the end of a first conveyor drive to a point at the beginning of a second conveyor drive. The accumulating conveyor system includes a drive track... | 09/23/1997 |
| 5517922 | Power and free conveyor transfer system A power and free conveyor transfer system includes a number of drive trolleys operating within a free track and being selectively propelled by endless drive chains within a vertically aligned power track. Each drive trolley includes a trolley housing body... | 05/21/1996 |
| 5337883 | Rail for conveyor for transporting goods hanging on hangers The invention relates to a rail for accommodating and guiding a conveyor for transporting goods hanging on hangers. The conveyor may be a roller chain which travels and is guided in a chain channel in the rail. The tips of the hanger hooks rest on the rol... | 08/16/1994 |
| 5331901 | Stock supply train having reciprocating traction chain drive A stock supply train system for on-demand delivery of materials to a work station for selective loading and unloading, the supply train system having a displaceable railway train and a stationary track on which one or more railway cars roll under power of... | 07/26/1994 |
| 5076172 | Returning system for rail-bound transport carts without internal drive Transport carts without internal drive which are bound to rails are moved in a returning system on a transport line from a common main drive. In the end area of the transport line, a secondary drive system is provided so that the transport carts are trans... | 12/31/1991 |
| 5031543 | Side panel anti-abrasion envelope A railway car side panel assembly with upright support posts forming the side walls of the car wherein painted or galvanized panels are protected from rusting by plastic inserts positioned between the corners of the panels and metal brackets on the posts ... | 07/16/1991 |
| 5009168 | Track expander and method of use A track expanding device is employed in a conveyorized transport system to spread apart adjacently disposed sections of track thereby tensioning an endless chain travelling with these track sections. The expanding device comprises a splice and an expander... | 04/23/1991 |
| 4930623 | Conveyor system and integral one-piece extended guidetrack An integral one-piece extended guide track and various conveyor systems incorporating same are disclosed. The guide track includes upper and lower connected web sections, each of which includes full length horizontally extending passageways. The upper web... | 06/05/1990 |
| 4864936 | Auto conveyor with improved roller assembly An auto conveyor is disclosed of type in which chain driven pusher rollers engage a vehicle tire running along a track, while guide rollers support the pusher rollers above the guide track. A low profile, guide-pusher roller assembly is provided configure... | 09/12/1989 |
| 4801003 | Conveyor and devices for conveying movable planes on automatic distribution lines showing a plan preferably quadrangular The present invention consists in employing conveyors and/or pushers in order to permit movable planes (7,110) to be advanced along bearing guides (1, 102) showing a quadrilateral shape. The advancing motion of the movable planes (7, 110) is caused by sev... | 01/31/1989 |
| 4793473 | Chain conveyor assembly A chain conveyor assembly wherein the conveyor chain is constructed to enable the chain to be flexed in two dimensions, e.g., about horizontal and vertical axes, and is designed to convey heavy loads in a stable manner despite the use of a simple and econ... | 12/27/1988 |
| 4763539 | Mechanical converter from rotational to linear movement This disclosure relates to an apparatus for converting rotational movement into linear movement. The apparatus includes a roller unit and a rotatable screw. The roller unit is adapted to be journaled on a fixed body, and has peripheral flanges axially spa... | 08/16/1988 |
| 4757767 | Mobile remote manipulator system for a tetrahedral truss A mobile platform (B) for transit about a working face (51) of a truss. The truss has a grid of node guide pins (54) having stationary sprockets (54D). The platform (B) has a rail system (52) comprised of transversely disposed T-shaped tracks (60), direct... | 07/19/1988 |
| 4745865 | Carrier storage track for power and free conveyors A storage track section for a power and free conveyor system having carriers each comprising a leading driving trolley, a first load carrying trolley connected to the driving trolley by a tow bar, and a second load carrying trolley connected to the first ... | 05/24/1988 |
| 4690611 | Automatic transfer apparatus for elevators An automatic transfer apparatus for loading and unloading a push car into and from an elevator is provided. It includes a guide member, a carriage mounted in the guide member, a conveyor for moving the carriage toward the push car, and another conveyor fo... | 09/01/1987 |
| 4656949 | Device for gripping and transferring load supports or containers using synchronous endless chains with drive fingers, mounted to transversely adjustable modules Two independent modules, disposed on a mobile handling platform, each comprise an endless chain with a pulling finger and a pushing finger. The operations of the chains are symmetrical with respect to the load drive axis. In operation, the pulling fingers... | 04/14/1987 |
