Abstract: A wiper blade for removing material from a conveyor belt attached to the conveyor belt frame near the nose roller such that the belt will not have material on the belt during the return portion of the loop. The wiper blade is easily attached to and removed from the conveyor frame for installing and replacing the wiper blades when they become worn. The wiper blade is slid out from its slot on the support bar and a new blade inserted into the slot and slid into a locking position for a quick and low cost change of blades. The support bar is rotatably attached to the conveyor frame to adjust the edge of the wiper blade to be proximate the conveyor belt. The wiper blade is made of an elastomeric material without any metal parts for ease of recycling.

Abstract: A conveying installation for transporting goods has a conveyor belt that is guided over deflecting drums in a loading station and in an unloading station. The conveyor belt is mounted to the underside of supporting bars which are oriented transversely to the movement direction of the conveyor belt. Supporting rollers mounted in each case at the two lateral ends of the supporting bars roll on two pairs of supporting cables or supporting rails which are provided along the installation and are respectively assigned to the forward strand and the return strand of the conveyor belt. An assembly for cleaning the conveyor belt is formed with a scraper strip or the like which can be moved in the direction of the conveyor belt by way of a closed-loop controller, which is controlled by the position of the supporting bars. The scraper strip is brought more or less into abutment against the conveyor belt between the supporting bars, and it is raised off from the conveyor belt in the region of a supporting bar.

Abstract: A bulk material handling accessory such as a conveyor belt cleaner for use in connection with a bulk material handling system. The bulk material handling accessory includes a main frame, a scraping member including an arm and a scraper blade pivotally attached to the main frame, and a damper mechanism coupled at one end to the main frame and at another end to the scraping member. A mounting mechanism is attached to the main frame for providing linear and rotational movement of the main frame and the associated scraping member and damper mechanism. The damper mechanism includes a damper having a piston and a housing having a fluid chamber. The viscosity of the fluid within the fluid chamber is selectively changeable to change the damping characteristics of the damper mechanism to accommodate changes in operating conditions.

Abstract: A bulk material handling accessory such as a conveyor belt cleaner for use in connection with a bulk material handling system. The bulk material handling accessory includes a main frame, a scraping member including an arm and a scraper blade pivotally attached to the main frame, and a damper mechanism coupled at one end to the main frame and at another end to the scraping member. A mounting mechanism is attached to the main frame for providing linear and rotational movement of the main frame and the associated scraping member and damper mechanism. The damper mechanism includes a damper having a piston and a housing having a fluid chamber. The viscosity of the fluid within the fluid chamber is selectively changeable to change the damping characteristics of the damper mechanism to accommodate changes in operating conditions.

Abstract: A conveyor belt cleaner scraper blade for cleaning the surface of a conveyor belt and a method of manufacture of the scraper blade. The scraper blade includes a body having a base member adapted to be attached to a cross shaft of a conveyor belt cleaner and a scraping member which extends outwardly from the base member to a scraping tip. The scraper blade includes one or more electrical sensors that are embedded in an insert member. The insert member and the sensors are molded and embedded within the body of the scraper blade. Each of the sensors is adapted to provide an electrical output signal representing a physical condition of the scraper blade sensed by the sensor. A variety of sensor embodiments are described, as well as two embodiments of control and monitoring systems for use in conjunction with the various blade and sensor combinations.

Abstract: A tensioning system for a cleaning blade having a frame, a blade support, and a ratchet system. The blade support is movable around a first axis in a first direction to increase cleaning blade pressure and an opposite second direction. The ratchet system has (a) a first ratchet assembly with at least one ratchet surface facing in a first circumferential direction and (b) a second ratchet assembly having a first plurality of ratchet surfaces facing in a second circumferential direction. At least a part of one of the first and second ratchet assemblies is deformable to allow the blade support to pivot in the first direction to cause the one ratchet surface to (a) move past each of the ratchet surfaces of the blade support moves in the first direction and (b) abut one of the ratchet surfaces to block movement in the second direction.

Abstract: A conveyor belt cleaner blade (16) having a blade portion (36) with a tip (37) that is to scrap against a conveyor belt (10). The blade (16) also has a mounting portion (38) that mounts the blade (16) on a support beam (17) that is to extend longitudinally transverse of the belt (10). The blade (16) has a transverse passage (41) providing internal abutment services (46) that are engaged by a tool (47) so that an operator may remove a selected one of the blades (16).

Abstract: A conveyor belt cleaning system being a torsion blade holder assembly having a mounting sub-assembly and a blade support sub-assembly. The mounting sub-assembly has a first hollow member and a second member situated at least partially therein with torsion elements in the plurality of spaces or cavities between the first hollow member and the second member. The blade support sub-assembly, in which a scraper blade is secured, is attached to the second member such that when the scraper blade meets resistance while scraping the surface of a conveyor belt, the torsion elements are compressed and the blade support sub-assembly with the scraper blade rotates away from the conveyor belt.

Abstract: A washing machine for glass lenses (11) or other similar items of the type including a conveyor (1) has a bearing surface (10) for moving the lenses through a washing chamber (12) made of a succession of washing means (21). The traction force transmitted to the aforementioned bearing surface (10) is carried out by two chains (13) with endless links (14), located on the both sides of the aforementioned bearing surface (10), each chain (13) being joined at the longitudinal side corresponding to the aforementioned bearing surface (10) and is stretched tight between two driving gears, of axis parallel to the plane of the aforementioned bearing surface and perpendicular to the direction of the displacement.

Abstract: A conveyor belt cleaner system and method of manufacturing the same comprising a common component support frame, and key components of: mounting bar, blade support and scraper blade wherein the scraper blade is removably secured within a reusable blade support so as to allow replacement of the scraper blade. Key components are manufactured at a first manufacturing location in long, standardized lengths and incorporated with the common component at a second location for assembly. The key components included standardized guide markings for cutting the key components into segments and aligning key components with one another. A plurality of apertures consisting of holes and slots are uniformly displaced along the key components to facilitate alignment of the components during assembly and securing of the components with fixing elements. The key components can be pre-cut and sold and shipped for point-of-sale display and sale in kit form together with corresponding tensioners.

Abstract: A primary conveyor belt scraper blade has a hardened edge molded within a resilient blade body. The hardened edge has a Mohs hardness of at least 8.9. The hardened edge is retained within the blade body by chemical bonds, so that the hardened edge and the blade body form a solid, one-piece unit.

Abstract: A conveyor belt cleaner system and method of manufacturing the same comprising a common component support frame, and key components of: mounting bar, blade support and scraper blade wherein the scraper blade is removably secured within a reusable blade support so as to allow replacement of the scraper blade. The mounting bar is adapted to be deformable along at least one of an x-axis, a y-axis, and a z-axis. The scraper blade flexes in cooperation with the deformed mounting bar to maintain scraping engagement with a belt across a range of belt contours, including variations resulting from the use of crown pulleys, and variations caused by the presence of worn belts, in the conveyor belt system.

Abstract: A conveyor belt cleaner system and method of manufacturing the same comprising a common component support frame, and key components of: mounting bar, blade support and scraper blade wherein the scraper blade is removably secured within a reusable blade support so as to allow replacement of the scraper blade. Key components are manufactured at a first manufacturing location in long, standardized lengths and incorporated with the common component at a second location for assembly. The key components included standardized guide markings for cutting the key components into segments and aligning key components with one another. A plurality of apertures consisting of holes and slots are uniformly displaced along the key components to facilitate alignment of the components during assembly and securing of the components with fixing elements.

Abstract: A two piece scraper blade is provided that includes a scraper member that is releasably connected to a base member. The scraper member can be of a different material than the base member to provide various advantages including with respect to its wear resistance. Further, in one form, a toolless interconnection is provided for ease in attaching the scraper member to the base member. In another form, the scraper member and base member are provided with engaging surfaces with one of the surfaces including teeth for gripping into the other surface when the scraper member is connected to the base member. In this form, the forces for inserting and removing the scraper member from the base member are greater than the form in which a toolless interconnection is provided, and thus a more robust connection between the scraper and base members is provided thereby.

Abstract: A bulk material handling system includes a bulk material handling apparatus to convey bulk material and a bulk material handling accessory to aid the bulk material handling apparatus in conveying the bulk material. The bulk material handling accessory includes a controller having one or more sensors. The controller generates a control signal to adjust operation of the bulk material handling accessory based upon at least one status signal of the one or more sensors. The controller also generates the control signal in accordance with a status signal to control signal response pattern defined by system parameter values. The system parameters include a minimum value to define a minimum level of the control signal associated with fail-safe operation and a maximum value to define a maximum level of the control signal associated with stable operation the bulk material handling accessory.

Abstract: A bulk material handling accessory such as a conveyor belt cleaner for use in connection with a bulk material handling system. The bulk material handling accessory includes a main frame, a scraping member including an arm and a scraper blade pivotally attached to the main frame, and a damper mechanism coupled at one end to the main frame and at another end to the scraping member. A mounting mechanism is attached to the main frame for providing linear and rotational movement of the main frame and the associated scraping member and damper mechanism. The damper mechanism includes a damper having a piston and a housing having a fluid chamber. The viscosity of the fluid within the fluid chamber is selectively changeable to change the damping characteristics of the damper mechanism to accommodate changes in operating conditions.

Abstract: An improved belt scraper assembly for use in a conveyor belt system to scrape debris off of a conveyor belt comprises a support bar having scraper blade attached thereto that is biased against the conveyor belt by a spring at both ends of the support bar. Ends of the support bar pivotally attach to brackets mounted on spaced apart frame members. A second bracket is mounted on a side of each frame member. One end of each spring attaches to an end of the support bar. The other end of the spring attaches to the second bracket to bias an edge of the scraper blade against the conveyor belt. When this edge wears down, the operator flips the support member over to utilize the opposite edge of the scraper blade without stopping the conveyor system. When both edges are worn down, the operator replaces the blade without stopping the system.

Abstract: An apparatus for diverting material in a controlled manner comprising a diverter plate attached to a mounting assembly. The diverter plate is shaped for receiving falling material and facilitating the flow of the material onto a conveyance means or into storage. The mounting assembly comprises a carrier spring assembly that permits the diverter plate to pivot about a shaft and thereby move from a default position to an unload position. The mounting assembly further comprises two adjustable locking mounts that hold the shaft in place and also allow the shaft to be adjustably rotated and thereafter fixed in place. A method for diverting material in a controlled manner comprises the steps of installing the apparatus at a transfer point and activating a first conveyance means that feeds material to the chute. A second conveyance means that receives the material after diversion by the apparatus can optionally be activated.

Abstract: A belt cleaner device is provided in which assembling of a frame and a cleaner head may be performed easily and quickly. A belt cleaner device comprises a frame 3 and one or more cleaner heads 1. The frame 3 includes a support face (3a) on its upper surface, and a support hole (33) through the frame. The cleaner head (1) includes a contact face (14) on its undersurface, and an anchor (16) projecting downward from the contact face (14). The cleaner head (1) is supported so as not to be rotated about the running direction of the belt by contacting the contact face (14) and the support face (3a) with each other. The cleaner head (1) is fixed to the frame (3) by fixedly inserting the anchor (16) in the support hole (33). The cleaner head (1) further provides a concave (21) in at least one of the front and rear walls (13) (15) to form a strike seat (22) at the bottom of the concave (21).

Abstract: A tensioner for maintaining engagement of a conveyor belt cleaner, including one or more scraper blades mounted on a rotatable support frame, with a conveyor belt. The tensioner includes a mounting member attached to the support frame for conjoint rotation therewith, a biasing member attached to the mounting member, and an actuator attached to the biasing member. Operation of the actuator stores a biasing force within the biasing member which in turn rotates the scraper blades into full-face engagement with the conveyor belt. As the scraper blades wear, the biasing member continues to rotate the blades into full-face engagement with the conveyor belt with a biasing force that changes in magnitude. The scraper blades include a blade face having an area which changes as the blades wear, in order to maintain a substantially constant contact pressure between the blades and the conveyor belt as the blades wear.

Abstract: An assembly and method for cleaning a conveyor belt system is disclosed. The cleaning assembly is for removing liquids and solids from an endless conveyor belt, the assembly includes a plurality of laterally extending liquid absorbent material sheets disposed adjacent the belt, with the sheets collectively defining a contact face that is engageable with the belt for wiping liquids from the belt.

Abstract: Disclosed herein is a method and apparatus for a street sweeper having a conveyor assembly. The conveyor assembly has a pair of rollers and a conveyor belt connected therebetween. The conveyor assembly is provided with debris skirts to lift the edge of the conveyor belt to prevent debris from traveling over the edge of the conveyor belt. The conveyor belt is formed into a concave orientation. The debris skirts is also connected to a rub rail to provide a dynamic seal along the length of the conveyor belt edges. The conveyor assembly is also provided with a roller scraper for removing debris accumulated upon the rollers. The roller scraper is adapted to envelop a portion of the roller. The conveyor assembly is also provided with a liquid delivery system for assisting in the removal of debris from the roller.

Abstract: A conveyor belt cleaner scraper blade for cleaning the surface of a conveyor belt and a method of manufacture of the scraper blade. The scraper blade includes a body having a base member adapted to be attached to a cross shaft of a conveyor belt cleaner and a scraping member which extends outwardly from the base member to a scraping tip. The scraper blade includes one or more electrical sensors that are embedded in an insert member. The insert member and the sensors are molded and embedded within the body of the scraper blade. Each of the sensors is adapted to provide an electrical output signal representing a physical condition of the scraper blade sensed by the sensor. A variety of sensor embodiments are described, as well as two embodiments of control and monitoring systems for use in conjunction with the various blade and sensor combinations.

Abstract: A conveyor belt cleaner is provided that is particularly well-suited for high temperature applications. The cleaner includes a blade mount that has a layback arm mounting the cleaning blade and which can simultaneously deflect horizontally and vertically via changes in the radius of curvature of a lower arcuate portion connected thereto so as to minimize stress on the blade mount. The layback arm extends toward the conveyor belt at an acute layback angle relative to the immediately upstream belt surface. In another aspect, a belt cleaning system is provided including a plurality of resilient blade mounts that absorb the energy of impacts with the cleaning blade so as to allow for controlled release of the impact energy upon bringing the blade quickly back into scraping engagement with the belt. Preferably, two of these resilient mounts are associated with each blade in the belt scraping area and the others at ends of an elongate support laterally spaced from the scraping area.

Abstract: A tensioner comprises inner and outer collars engaging a blade holder and a housing. A torsion spring between the collars tensions a blade. One of the collars engages the housing, such as by a locking handle, for fixing the spring tension. The housing may serve to shield the tensioner from debris.

Abstract: A scalper blade assembly for cleaning a conveyor belt. The assembly includes an adjustment structure for adjusting a force applied against the blades for biasing the blades into engagement with the conveyor belt. The adjustment structure includes a ratchet mechanism for incrementally adjusting the biasing force and a clamping structure for maintaining the position of blades and resisting forces applied against the blades from the conveyor. In addition, a blade support assembly is provided for facilitating mounting and replacement of scalper blades. The support assembly includes a support member and a locking member located within the support member, where movement of the locking member relative to the support member is operable to engage and disengage engagement members associated with the blades in locking engagement with the support member.

Abstract: A scalper blade assembly for cleaning a conveyor belt. The assembly includes an adjustment structure for adjusting a force applied against the blades for biasing the blades into engagement with the conveyor belt. The adjustment structure includes a ratchet mechanism for incrementally adjusting the biasing force and a clamping structure for maintaining the position of blades and resisting forces applied against the blades from the conveyor. In addition, a blade support assembly is provided for facilitating mounting and replacement of scalper blades. The support assembly includes a support member and a locking member located within the support member, where movement of the locking member relative to the support member is operable to engage and disengage engagement members associated with the blades in locking engagement with the support member.

Abstract: A scalper blade assembly for cleaning a conveyor belt. The assembly includes an adjustment structure for adjusting a force applied against the blades for biasing the blades into engagement with the conveyor belt. The adjustment structure includes a ratchet mechanism for incrementally adjusting the biasing force and a clamping structure for maintaining the position of blades and resisting forces applied against the blades from the conveyor. In addition, a blade support assembly is provided for facilitating mounting and replacement of scalper blades. The support assembly includes a support member and a locking member located within the support member, where movement of the locking member relative to the support member is operable to engage and disengage engagement members associated with the blades in locking engagement with the support member.

Abstract: A conveyor belt cleaner scraper blade for cleaning the surface of a conveyor belt and a method of manufacture of the scraper blade. The scraper blade includes a body having a base member adapted to be attached to a cross shaft of a conveyor belt cleaner and a scraping member which extends outwardly from the base member to a scraping tip. The scraper blade includes one or more electrical sensors that are embedded in an insert member. The insert member and the sensors are molded and embedded within the body of the scraper blade. Each of the sensors is adapted to provide an electrical output signal representing a physical condition of the scraper blade sensed by the sensor. A variety of sensor embodiments are described, as well as two embodiments of control and monitoring systems for use in conjunction with the various blade and sensor combinations.

Abstract: A method of assembling a conveyor belt scraper which includes at least one scraping edge fixed to a support at least by means of a biasing member which includes the steps of prestressing the biasing member in a first sense, maintaining the biasing member prestressed, and mounting the conveyor belt scraper adjacent a surface of the belt whereby, in use, when the scraping edge exerts a scraping action on the belt and is deflected away from the belt, the biasing member is further stressed in the first sense.

Abstract: Belt cleaning apparatus includes a scraper blade mounted to a blade holder and urged against a belt for moving and/or removing material carried thereby. The blade includes a pair of flexible legs or skirts that engage the blade holder in snap-on/snap-off fashion. A tensioner includes inner and outer collars engaging the blade holder and a housing and a torsion spring between the collars tensions the blade. The housing engages one of the collars such as by a locking handle for fixing the spring tension and also serves to shield the tensioner from debris. The apparatus may be easily and quickly disassembled and assembled without tools, may be constructed of food-grade materials, and is “open” for ease of cleaning.

Abstract: A conveyor belt cleaning system being a torsion blade holder assembly having a mounting sub-assembly and a blade support sub-assembly. The mounting sub-assembly has a first hollow member and a second member situated at least partially therein with torsion elements in the plurality of spaces or cavities between the first hollow member and the second member. The blade support sub-assembly, in which a scraper blade is secured, is attached to the second member such that when the scraper blade meets resistance while scraping the surface of a conveyor belt, the torsion elements are compressed and the blade support sub-assembly with the scraper blade rotates away from the conveyor belt.

Abstract: A two piece scraper blade is provided that includes a scraper member that is releasably connected to a base member. The scraper member can be of a different material than the base member to provide various advantages including with respect to its wear resistance. Further, a toolless interconnection is provided for ease in attaching the scraper member to the base member. When worn, the scraper member can be replaced with a new scraper member in an easy and quick fashion.

Abstract: In one form, a conveyor belt cleaner is provided that is particularly well-suited for high temperature applications. The cleaner includes a blade mount that has a layback arm mounting the cleaning blade and which can simultaneously deflect horizontally and vertically via changes in the radius of curvature of a lower arcuate portion connected thereto so as to minimize stress on the blade mount. The layback arm extends toward the conveyor belt at an acute layback angle relative to the immediately upstream belt surface. In another aspect, a belt cleaning system is provided including a plurality of resilient blade mounts that absorb the energy of impacts with the cleaning blade so as to allow for controlled release of the impact energy upon bringing the blade quickly back into scraping engagement with the belt. Preferably, two of these resilient mounts are associated with each blade in the belt scraping area and the others at ends of an elongate support laterally spaced from the scraping area.

Abstract: Apparatus for stripping a belt in conveyor belt assemblies includes a stripping element on a system carrier, the stripping element having a stripping lamella on a lamella holder, the stripping lamella contacting the belt in a peeling position, wherein the stripping element has a swivel mount coupled to the lamella holder and a swivel axis parallel to a plane of the belt, a spring for pressing the stripping lamella against the belt such that the lamella holder in the peeling position is swiveled about the horizontal axis, and when obstructions adhering to the belt impact the stripping lamella, the lamella holder deflects and returns a working position, wherein the stripping lamella is swivel mounted at the lamella holder by a swivel mount having an axis parallel to a plane of the belt and is held and spring biased by a top spring is counter to the bottom swivel mount spring.

Abstract: A conveyor belt cleaner is provided that is particularly well-suited for high temperature applications. The cleaner includes a blade mount that has a layback arm mounting the cleaning blade and which can simultaneously deflect horizontally and vertically via changes in the radius of curvature of a lower arcuate portion connected thereto so as to minimize stress on the blade mount. The layback arm extends toward the conveyor belt at an acute layback angle relative to the immediately upstream belt surface. Preferably, the blade mount is of a shape retentive metal material so that it retains its bias force applied to cleaner blade even in high temperature and high loading conveyor belt applications. To keep the complexity of the blade mount to a minimum, it is preferably of a one-piece, angled spring plate construction including a base integral with the layback arm interconnected thereto by the arcuate portion.

Abstract: The present invention relates to a conveyor belt cleaning apparatus for use with belt conveyors. The invention provides a conveyor belt cleaning apparatus (1) for use with a belt conveyor, the cleaning apparatus comprising a first arm (20a) and a second arm (20b) adapted to support a scraping blade (30), the first and second arms being rotatably mounted on a shaft (2) for independent rotation about an axis, the rotation of the arms causing corresponding positional adjustments of the scraping blade (30) with respect to the belt. The mountings (21a, 21b) of each arm (20a, 20b) on the shaft (2) includes a biasing means which, in use, acts to bias the arms towards the conveyor belt. The apparatus further includes an intermediate arm (40) located midway between the first arm (20a) and the second arm (20b) one end of which is connected to the shaft (2) and the opposing end of which is connected to the scraping blade (30) to provide support for the scraping blade (30).

Abstract: A conveyor belt cleaning system being a torsion blade holder assembly having a mounting sub-assembly and a blade support sub-assembly. The mounting sub-assembly has a first hollow member and a second member situated at least partially therein with torsion elements in the plurality of spaces or cavities between the first hollow member and the second member. The blade support sub-assembly, in which a scraper blade is secured, is attached to the second member such that when the scraper blade meets resistance while scraping the surface of a conveyor belt, the torsion elements are compressed and the blade support sub-assembly with the scraper blade rotates away from the conveyor belt.

Abstract: A two piece scraper blade is provided that includes a scraper member that is releasably connected to a base member. The scraper member can be of a different material than the base member to provide various advantages including with respect to its wear resistance. Further, a toolless interconnection is provided for ease in attaching the scraper member to the base member. When worn, the scraper member can be replaced with a new scraper member in an easy and quick fashion.

Abstract: A scraping and cleaning device (1) for conveyor belts (N) comprising a support shaft (15) arranged transversally to the belt (N), one or more frames (3) being arranged on said shaft (15), each frame being provided with scraping members (4) adhering with the surface (S) to be scraped of said belt (N), to define on it at least a contact line (5). The device comprises adjusting means (6, 10, 17) adapted to vary in a significant way the position of the contact line (5).

Abstract: A scraping device for cleaning a conveyer belt, which has an upper forwarding section and a lower returning section includes an elongated positioning member and a plurality of scraping plates. The positioning member is mounted under the lower returning section in a transverse direction transverse to a longitudinal direction of the conveyer belt. Each of the scraping plates includes a mounting part mounted on the positioning member, and at least one web part having a free edge distal from the mounting part. The web part extends between the mounting part and the free edge, and is inclined with respect to the transverse and longitudinal directions. The web part further has a top scraping edge adapted to scrape the conveyer belt.

Abstract: A conveyor belt cleaner is provided that is particularly well-suited for high temperature applications. The cleaner includes a blade mount that has a layback arm mounting the cleaning blade and which can simultaneously deflect horizontally and vertically via changes in the radius of curvature of a lower arcuate portion connected thereto so as to minimize stress on the blade mount. The layback arm extends toward the conveyor belt at an acute layback angle relative to the immediately upstream belt surface. In another aspect, a belt cleaning system is provided including a plurality of resilient blade mounts that absorb the energy of impacts with the cleaning blade so as to allow for controlled release of the impact energy upon bringing the blade quickly back into scraping engagement with the belt. Preferably, two of these resilient mounts are associated with each blade in the belt scraping area and the others at ends of an elongate support laterally spaced from the scraping area.

Abstract: A conveyor belt cleaner is provided that is particularly well-suited for high temperature applications. The cleaner includes a blade mount that has a layback arm mounting the cleaning blade and which can simultaneously deflect horizontally and vertically via changes in the radius of curvature of a lower arcuate portion connected thereto so as to minimize stress on the blade mount. The layback arm extends toward the conveyor belt at an acute layback angle relative to the immediately upstream belt surface. Preferably, the blade mount is of a shape retentive metal material so that it retains its bias force applied to cleaner blade even in high temperature and high loading conveyor belt applications. To keep the complexity of the blade mount to a minimum, it is preferably of a one-piece, angled spring plate construction including a base integral with the layback arm interconnected thereto by the arcuate portion.

Abstract: A scraper blade assembly which is configured to provide a rigid material scraping edge supported on a resiliently compliant material such that the scraping edge is adapted to move in response to irregularities in an associated conveyor belt. Further, supporting structure for the resiliently compliant material is configured so as to promote an upward deformation of the resiliently compliant material when a compressive force is applied to the rigid material scraping edge to thereby form the resiliently compliant material as a supporting surface above the scraping edge when such a force is applied.

Abstract: A torsion unit (14) for use with a conveyor belt scraper (12) which includes a tubular component (36), an extension member (38) which is located at least partly inside the tubular component (36), at least one resiliently deformable torsion element inside the tubular component which acts between opposed surfaces of the tubular component and the extension member, and a flange on the tubular component.

Abstract: A scraper blade has at one end a scraper tip and at the other end a mounting base. The scraper tip is outwardly tapered. The scraper blade has at least two layers of different materials. The layer of material which is facing forward, i.e. that first meets the surface to be scraped, and which is adapted to form the actual scraper tip is made of a material which is both softer and more abrasion resistant that said other layer.

Abstract: A low-profile tensioner for a conveyor belt scraper that utilizes an elastomeric collar having a force storing means in the form of a series of spokes, wherein the elastomeric collar is tensioned and then connected to the rotatable shaft of the conveyor belt scraper assembly to bias the scraper against the surface of the conveyor belt while providing adequate space around the tensioner to allow for the easy adjustment or maintenance of the tensioner.

Abstract: A conveyor belt cleaner scraper blade for cleaning the surface of a conveyor belt and a method of manufacture of the scraper blade. The scraper blade includes a body having a base member adapted to be attached to a cross shaft of a conveyor belt cleaner and a scraping member which extends outwardly from the base member to a scraping tip. The scraper blade includes one or more electrical sensors that are embedded in an insert member. The insert member and the sensors are molded and embedded within the body of the scraper blade. Each of the sensors is adapted to provide an electrical output signal representing a physical condition of the scraper blade sensed by the sensor.

Abstract: A scraper blade assembly which is configured to provide a rigid material scraping edge supported on a resiliently compliant material such that the scraping edge is adapted to move in response to irregularities in an associated conveyor belt. Further, supporting structure for the resiliently compliant material is configured so as to promote an upward deformation of the resiliently compliant material when a compressive force is applied to the rigid material scraping edge to thereby form the resiliently compliant material as a supporting surface above the scraping edge when such a force is applied.

Abstract: A conveyor belt cleaner including one or more scraper blades and a scraper blade mounting assembly for removably mounting the scraper blades to a support structure. The scraper blades include a mounting base formed of elastomeric material having a generally T-shaped mounting flange and an arm. The scraper blade also includes a metal scraping element having a generally planar lower portion and a generally planar upper portion that are disposed at an angle to one another. The lower portion of the scraping element is embedded within the arm. The upper portion of the scraping element includes a scraping tip adapted to engage a conveyor belt and that is pivotal about a pivot axis that is offset from a plane containing the upper portion of the scraping element. The mounting assembly includes a cross shaft that is adapted to be mounted at each end to a support structure by a slide bracket having a support ridge.