Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7341138 | Conveyor idle roller assembly Idle roller assembly suitable for use in trough type belt conveyors is provided having an elongate shaft and spaced apart first and second roller bearing assemblies, each having mounted thereabout an annular hub. A cylindrical tubular roller is mounted to and spans ... | 03/11/2008 |
| 7249673 | Belt and conveyor having separate clamping shoes A belt band conveyor having an endless transport belt that is guided over deflection rollers, to which a guide element that projects beyond the belt plane is attached. The guide element can be handled separately before it is attached to the transport belt and moves ... | 07/31/2007 |
| 7246694 | Friction roller in conveyor A friction roller (10) includes a support roller (11) and an annular elastic ring (15) which it externally fitted to the support roller (11). The support roller (11) is divided into two portions in a thickness direction, that is, a... | 07/24/2007 |
| 7204359 | Shaft support for resisting separation of a flexible connection A support for supporting the end of a shaft protruding from a conveyor roller for dampening the vibrations of the conveyor roller by providing a flexible connection between spaced first and second supports where the supports include structure for resisting the separ... | 04/17/2007 |
| 7070042 | Blade pulley A bladed pulley including a plurality of blades extending from a first end to a second end. The bladed pulley having spaced apart blades and an open, central volume configuration to permit conveyed material to fall through the pulley. The bladed pulley further havin... | 07/04/2006 |
| 6942090 | Blade pulley A bladed pulley including a plurality of blades extending from a first end to a second end. The bladed pulley having spaced apart blades and an open, central volume configuration to permit conveyed material to fall through the pulley. The bladed pulley further havin... | 09/13/2005 |
| 6939279 | Tire for skew reducing roller A roller assembly for a sheet material transport assembly is disclosed, wherein skewing of the transported sheet material relative to the transport assembly is reduced. The roller assembly includes an elongate shaft having a compliant layer disposed about the shaft.... | 09/06/2005 |
| 6935488 | Blade pulley A bladed pulley including a plurality of blades extending from a first end to a second end. The bladed pulley having spaced apart blades and an open, central volume configuration to permit conveyed material to fall through the pulley. The bladed pulley further havin... | 08/30/2005 |
| 6918238 | Preloadable, externally installable and removable bearing and shaft assembly An externally installable and removable bearing and shaft assembly for supporting an end of a rotatable member for rotation relative to a support member or structure, which when installed, applies an axial preload force against a shaft of the assembly, for reducing ... | 07/19/2005 |
| 6540068 | Rim assembly for a roller assembly for use with cargo mover systems A rim assembly for a roller assembly and method of forming a rim assembly for cargo mover systems are disclosed. Various steps and construction details are developed for affecting the response of the rim assembly to operative conditions. In one detailed e... | 04/01/2003 |
| 6443297 | Pulley lagging with hook and loop fastener attachment system A pulley with pulley lagging, a pulley, pulley lagging and belt system and method are provided. The pulley has an outer surface with a length and a circumference. A hook and loop fastener strip is provided having one of a loop or a hook surface section an... | 09/03/2002 |
| 6390289 | Conveyor belt alignment device A conveyor belt alignment device comprises an idler roller mounted relative to a conveyor belt, the idler roller having a first cylindrical portion extending over the conveyor belt proximate an edge thereof, and a second cylindrical portion abutting again... | 05/21/2002 |
| 6168855 | Polyolefin composites for printed circuit board and antenna base material A polyolefin composite for a printed circuit board or antenna base material, a base material including the composite and electronic modules including the base material. The base material includes at least one dielectric layer including a polyolefin compos... | 01/02/2001 |
| 6168544 | Pulley lagging A lagging material for application to the surface of a pulley, said material being integrally formed in elongate strip form and having an upper surface including a plurality of discrete nodules extending therefrom and arranged regularly or randomly accord... | 01/02/2001 |
| 6092639 | Driven wheel passenger conveyor A driven terminal for a passenger conveyor for transferring passenger or luggage. The driven terminal according to the present invention includes a pair of rotating plates mounted on both ends of a rotating shaft, an outer wheel forcibly contacted with th... | 07/25/2000 |
| 5996775 | Transport element for flat goods A transport element (1) for transporting or conveying flat goods, such as sheet goods like paper in photocopy machines and printers, includes an inner support member (2) that can be connected to an axle or shaft, and an outer ring member (14) of a rubber-... | 12/07/1999 |
| 5836440 | High speed tubular belt conveyor and system and method for making A high speed, normally closed tubular belt conveyor system operable over long distances and through relatively short radius horizontal and vertical turns, is described. The belt conveyor is prestressed at fabrication to provide a normally closed tubular c... | 11/17/1998 |
| 5803235 | Idler roller conversion system with impact shell A roller arrangement for use in a conveyance system includes a generally cylindrical roller body which has a pre-determined diameter, an outer surface, and a central passage. A shaft extends through the central passage, the roller body is rotatable about ... | 09/08/1998 |
| 5701990 | Speed adjusting apparatus for containers Container handling apparatus includes container speed adjusting apparatus which cooperates with drive apparatus to sequentially deliver a plurality of containers into contact with the container speed adjusting apparatus. The container speed adjusting appa... | 12/30/1997 |
| 5573103 | Speed adjusting apparatus for containers Container handling apparatus includes container speed adjusting apparatus which cooperates with drive apparatus to sequentially deliver a plurality of containers into contact with the container speed adjusting apparatus. The container speed adjusting appa... | 11/12/1996 |
| 5381887 | Conveyor systems and high durability rollers therefor An inventive roller and an inventive conveyor assembly which includes at least one such roller. The inventive roller comprises: an axle housing; a polymer foam segment positioned around the axle housing; and a polymer coating which covers the exterior of ... | 01/17/1995 |
| 5383006 | Compliant edge guide belt loops An apparatus for guiding a moving belt, particularly in an electrophotographic printing machine of the type having an endless photoreceptor belt supported by a plurality of rolls and arranged to move in a predetermined path through a plurality of processi... | 01/17/1995 |
| 5284457 | Belt guide pulley There is provided a clam shell shaped belt guide pulley having first and second curved halves which are hinged together. Each pulley half has curved inner and outer surfaces. The pulley is adapted to be placed on a large diameter shaft without the need to... | 02/08/1994 |
| 5251742 | Conveyor installation and shock absorbing elements for use therein A conveyor installation includes an endless belt wound around head and tail pulleys which extends between an impact station wherein material is placed on the belt and a drop off zone wherein the material is removed from the belt. Shock absorbers are dispo... | 10/12/1993 |
| 5246099 | Belt steering roller mechanism and steering roll construction A belt steering roller mechanism for active steering correction of an endless belt, including a shaft having a longitudinal axis and a deformable roller having a fore end and an aft end and a predetermined diameter. The roller is rotatable about the shaft... | 09/21/1993 |
| 5190146 | Replaceable pulley lagging device The present invention relates to a replaceable pulley lagging for attachment to wing pulleys and includes a backing member having a shape which conforms to the contact bars of each of the wings of the wing pulley. These backing members have an adhesive an... | 03/02/1993 |
| 5070365 | Low lateral force drive roller system A apparatus in which lateral movement of a moving belt is controlled so that the belt moves in a predetermined path. The apparatus includes dual oppositely wound, helical springs having a rectangular cross-section with a high friction material extruded th... | 12/03/1991 |
| 5044482 | Rubber-plastic composite A rubber plastic composite cylinder that has a cylindrical hollow elastomeric body bonded internally to a shaft and its external surface bonded to a cylindrical sleeve of ultra high molecular weight polyethylene which includes the bonding as by vulcanizat... | 09/03/1991 |
| 4903820 | Idler rollers for belt conveyors A conveyor belt advances over an assembly of cylindrical idler rollers. Each idler roller includes a cylindrical body rotatable about an axially disposed tubular shaft. Air under pressure enters the proximal end of the tubular shaft and advances through t... | 02/27/1990 |
| 4848540 | Skirt seal impact bracket A skirt seal impact bracket for supporting a conveyor belt idler which improves the impact characteristics of a suspension type idler by enabling the idlers to yield under the force of material being loaded thereonto and thereby protects the idler from un... | 07/18/1989 |
| 4836361 | Replaceable device for outer spoke edge of pulley wheel This invention relates to a replaceable repair device for use to repair the outer terminal edge of a flat spoke of a wing pulley wheel, in general, and more specifically: to a cross-sectionally T-shaped elongated repair device having a top cross-bar, and ... | 06/06/1989 |
| 4830179 | Idler rollers for belt conveyors A belt conveyor includes an assembly of conveyor idler rollers for supporting a conveyor belt advancing thereon. Each conveyor idler roller includes a cylindrical body that is freely rotatable about a shaft. A keeper seal prevents axial displacement of th... | 05/16/1989 |
| 4823941 | High speed tubular belt conveyor and system and method for making A high speed, normally closed tubular belt conveyor system operable over long distances and through relatively short radius horizontal and vertical turns. The belt conveyor is prestressed at fabrication to provide a normally closed tubular configuration. ... | 04/25/1989 |
| 4821871 | Idler pulley surfacing A flexible rubber strip or sheet is described which is useful as surfacing material on an idler pulley or the like. The rubber strip includes a row of openings along each end. A pair of spaced-apart metal strips is secured to each end of the rubber strip.... | 04/18/1989 |
| 4766996 | Rollers with oriented fiber reinforcement and method A roller for use in the cargo bay of an aircraft is disclosed which is constructed with chopped fiber strands incorporated into the rubber and oriented in a substantially circumferential direction around the hub of the roller to provide reinforcement to t... | 08/30/1988 |
| 4718544 | Flexible lagging strips for drum pulleys A replaceable lagging structure, for a conveyor pulley, and specifically to a flexible lagging structure useable and adaptable on different size pulley drums. The structure preferably has a pair of parallel, elongated, arc shaped metal plates which are co... | 01/12/1988 |
| 4681215 | Conveyor roller and bearing assembly with external support A conveyor roller and bearing arrangement rotatable about a pair of fixed stub axles lying between spaced side frame members includes a pair of self-aligning bearing assemblies in each end of the roller. Each bearing assembly includes an inner bearing rac... | 07/21/1987 |
| 4621728 | Suspension idler method and apparatus A Conveyor suspension idler mold apparatus for molding a one-piece, elongated, flexible, polymer idler is disclosed along with a method of molding the conveyor idler and the conveyor idler apparatus. A vertical mold has specially shaped cavities for moldi... | 11/11/1986 |
| 4589543 | Drive shaft for slat conveyor A slat conveyor having a drive shaft with grooves running axially to the shaft and driving a plurality of endless conveyor belts connected to each other on the cargo carrying side with slats positioned transverse to the direction of travel and having on t... | 05/20/1986 |
| 4585118 | Self-tracking belt roller A self-tracking roller comprised of a plurality of individual elements is presented. These elements alternate between evenly distributed idler rings and spacer rings arranged in two groups having a central space therebetween. This central space permits tw... | 04/29/1986 |
