Abstract: An exterior airbag cushion for a vehicle is constructed so that a cushion unit is rapidly expanded ahead of a vehicle and a device having the exterior airbag cushion. The exterior airbag device includes a plurality of airbag housings which are mounted to a vehicle bumper, a cushion unit which is accommodated in the airbag housings and expanded ahead of the vehicle bumper, a shape memory wire which extends along the edge of the cushion unit, and an inflator which supplies airbag gas to provide an expansionary force.

Abstract: The present invention relates to a rotary valve for vehicle power steering gear, comprising a worm shaft, a lower sealing ring, a locking nut, a lower outer ring, an upper outer ring, an intermediate sealing ring, an upper sealing ring, an input shaft, a valve housing, steel balls, and an adjusting nut; wherein an outer ring bearing is disposed between the lower sealing ring and the intermediate sealing ring, or between the intermediate sealing ring and the upper sealing ring. The operational pressure of the power steering gear can be increased, thus allowing a higher pressure of the steering system to be selected in the configuration of the whole vehicle, so that a power steering gear with a relatively small volume can be selected, thereby making the configuration of the whole vehicle easier, and more compact.

Abstract: A reducer of an electronic power steering apparatus is disclosed. The reducer of an electronic power steering apparatus aids the operation of a steering wheel by the driver by preventing a clearance from being caused by frictional wear between a worm and a worm wheel, by reducing rattle noise caused by backlash, and by minimizing the change in the clearance due to a change in torque.

Abstract: The invention provides a noise reducing enclosure for reducing the noise from a vacuum pump, e.g. a roughing pump of a high vacuum system, the vacuum pump having a long axis and the enclosure comprising a noise dampening material and being shaped to radially enclose the vacuum pump along its long axis and being axially open at each end. Airflow is permitted through the enclosure in use and optional integrated cooling means on the pump may assist cooling of the pump.

Abstract: A noise attenuator for attaching a side wall panel to a frame that is exposed to vibratory loads and which includes a rigid core having a sleeve with two radially disposed end plates. A bracket encircles a portion of said sleeve between the end plates and is in non-contiguous relationship with the core. An elastomeric bushing is bonded to a portion of the bracket and the core with the exception of the outer faces of the end plates, which remain exposed. Voids are passed through the rear plate and extend axially between the bracket and the sleeve some length into the sleeve. Due to the geometry of the unit, the non-voided sections of the bushing are loaded in either a combination of tension and shear or compression and shear when the core is connected to a vibrating frame and the bracket is connected to a side wall panel.

Abstract: A marine muffler comprises an elongate cylindrical housing having an inlet and an outlet and defining an internal volume partitioned, by an angularly disposed internal baffle, into a lower chamber in communication with the inlet and an upper chamber in communication with the outlet. A vertically disposed duct is insertably secured to the baffle to allow exhaust gas and exhaust cooling water to flow from the lower inlet chamber to upper outlet chamber. The exhaust duct may preferably be further adapted with internal structure forming a plurality of individual flow conduits or passages. The duct is preferably positioned such that a plurality of flow passage inlets are positioned in proximity to the lower cylindrical housing wall, with flow passage outlets positioned in proximity to the upper housing wall. The lower duct wall may further be adapted with sidewall apertures for improving exhaust flow dynamics therethrough.

Abstract: A muffler (1) for an exhaust system of an internal combustion engine, especially of a motor vehicle, with a housing (2), which has a jacket (3) and an end bottom each at two mutually spaced longitudinal ends of the jacket (3). At least one jacket opening (7) is provided, which passes through the jacket (3) and through which an inner tube (8) arranged in the interior of housing (2) can be connected to a tube of the exhaust system. The manufacture of the muffler (1) can be simplified if the jacket (3) is segmented in the circumferential direction (5) and has a jacket segment (11), which is manufactured as a separate component in relation to the remaining jacket (12). The separate component jacket segment (11) is rigidly connected to the remaining jacket (12) and has the at least one jacket opening (7).

Abstract: The invention relates to a panel for an acoustic treatment at the surface of an aircraft, that comprises from the outside to the inside an acoustically resistive porous layer, at least one cellular structure and a reflective or non-permissive layer, wherein the acoustically resistive porous layer includes, at the outer surface that may contact the aerodynamic flows of a sheet or foil, open areas (14) permissive to sound waves and solid area (6) not permissive to sound waves, characterised in that the sheet or foil of the acoustically resistive layer includes sets of microperforations (18), each set of microperforations defining an open area (14), the set of microperforations being separated by at least one series of spaced bands of solid areas (16).

Abstract: The present invention provides a universal belay device for providing safety to mountain and rock climbers. The belay device allows a belayer to selectively operate the device in any of a plurality of modes. In an auto-locking mode, a fall by a climber automatically stops the rope without requiring the belayer manually apply any holding or stopping force. In a frictional mode, a fall by a climber is stopped by the belayer applying a minimal amount of pressure. The belay device includes a housing in which a rope pin and cam are contained. The cam is rotable to a first position which allows the rope pin to frictionally secure the rope against the housing and stop the rope. The cam is rotable to a second position which substantially prevents the rope pin from fully securing the rope and requires the user to apply a stopping force to stop the rope.

Abstract: A gutter protection and ladder support apparatus includes a ladder securing apparatus and a plate section. The plate section has a plate surface that is bent to form a first face member and a second face member. The first face member is formed at an angle from the plate surface. The ladder securing apparatus is connected to the plate section and is configured to secure a ladder against the plate section. The ladder securing apparatus is adjustable for selective fastening of the ladder to the plate section.

Abstract: An access ladder configurable from an extended position for providing access to a structure and a stowed position. The access ladder comprises an elongated first member having a first step extending laterally therefrom. An elongated second member is associated with the first member and configured for translational movement relative thereto and has a second step extending laterally therefrom. A link extends between the second member and the structure such that rotation of the first member moves the second member translationally relative to the first member, thereby moving said at least one second step towards said at least one first step.

Abstract: A scaffolding system in which a platform or wall may be secured to a crosspiece supported by cables near an angled structure or in another difficult location. A platform is secured to the crosspiece horizontally, while a wall is secured vertically. The crosspiece may be an angle iron or pipe, for example. Also disclosed are clamps and clamping arrangements for securing the platform or wall to the crosspiece.

Abstract: A stepladder with four individually adjustable, self-locking rails so that the ladder can be placed on uneven terrain then safely adjusted to maintain level orientation. The ladder rails will consist of four pairs of outer and inner rails. Each outer and inner rail pair is designed with profiles that when brought together will lock into one another providing stability yet minimal friction. Each inner rail is held in place by a spring-loaded lever with attached hooks. The spring forces the hooks to be engaged with an adjustment bracket that is fixed to the outer rail. A foot will be fixed to the bottom of each inner rail. Each foot will have arched surfaces along 2 perpendicular horizontal axes so that consistent surface area contact is maintained with the ground regardless of the angle of the ground.

Abstract: A portable tree stand comprising a seat having a bottom surface, the bottom surface having a first sidewall and a second sidewall at least partially defining a cavity, a mount extending from the cavity for engagement with a tree, and wherein the mount is contained completely within the cavity when not in use.

Abstract: An oil-spraying apparatus includes: a base frame provided with a guide rail on an upper surface thereof; a mounting plate movably mounted on the guide rail by a rail block; a moving unit mounted at one side of the base frame so as to reciprocate the mounting plate on the base frame; and an oil-spraying unit mounted on an upper portion of the mounting plate, receiving compressed air and oil respectively from an air compressor and an oil distributor connected to an oil tank through an oil hose and an air hose. The apparatus can spray the oil to both the oil seal mounting hole and the one end portion of the crankshaft.

Abstract: A device (22) manages power source variations in an elevator system. The device includes a transformer (60) having a primary (62) and a secondary (64). An input of the elevator system is connected to the secondary (64). Tap switches (66a, 66b, 66c, 66d) are connected to the transformer (60) such that each tap switch is connected to a tap point (68a, 68b, 68c, 68d) on the transformer (60). A controller (54) operates the tap switches (66a, 66b, 66c, 66d) based on a sensed power source output to provide power on the secondary (64) within a tolerance band of the elevator system.

Abstract: A service controller for crowded elevator cars includes an illuminating apparatus (4) furnished in a top part of a car (1) that is configured to illuminate the car (1) interior, at least one elongated light sensor unit (8) constituted by multiple light sensors (10) on a base member (9) and installed along corner regions (7a, 7b) formed between a vertical wall surface (5) of the car and the car's floor surface (6), and a judgment device (11) that is configured to determine whether there is passenger boarding space in the car (1) based on the output of the light sensors (10).

Abstract: An elevator includes a car that ascends and descends in an elevation path, and at least one airflow generation device that is set on a surface of a top end part of at least one of upper and lower end parts of the car, the surface facing a platform of the elevation path, and suppresses a separation flow generated at the top end of the car during running, thereby to generate an airflow for rectifying an airflow flowing into a front side of the car.

Abstract: A bicycle braking system is basically provided with a bicycle braking device, a supplementary brake operating device and a brake maintaining arrangement. The bicycle braking device is movably between a non-brake applying position and a brake applying position for applying a braking force. The supplementary brake operating device is operatively coupled to operate the bicycle braking device. The supplementary brake operating device includes a rider operating arrangement that is operable by a rider between a non-braking position and at least one predetermined braking position. The brake maintaining arrangement is configured and arranged to hold the bicycle braking device in the brake applying position in response to movement of the rider operating arrangement to the predetermined braking position such that the braking force of the bicycle braking device is continually and consistently applied.

Abstract: A disc brake for a vehicle, reduced in volume by improving a driving unit thereof that presses a wedge and therefore conveniently installed in the vehicle. The disc brake includes a disc rotated along with wheels of the vehicle, inner and outer friction pads disposed at both sides of the disc, a caliper housing supporting the outer friction pad, a wedge member disposed at a rear side of the inner friction pad and formed with inclined surfaces on a rear side thereof, a supporting member formed with inclined surfaces corresponding to the inclined surfaces of the wedge member and fixed to the caliper housing, and a driving unit operating the wedge member to perform a braking operation. The driving unit includes a screw axis, a driving motor, a worm gear constituted by a worm and a worm wheel, and a moving member.

Abstract: A system for retaining a back plate of a disc brake pad is described. The system includes an elongated resilient element for applying a force to the back plate, a base of the resilient element extending along an edge of the back plate, contacting the edge along a majority of its length, legs of the resilient element, extending from the base, generating the force applied to the back plate by the base when deformed by a compression element, and retaining elements for preventing axial displacement of ends of the resilient element, and lateral slipping of the resilient element.

Abstract: The brake cylinder comprises a cylinder body comprising an annular flange and a non-pressure head. The annular flange of the cylinder body defines a plurality of openings. The non-pressure head has an annular flange and a head portion extending from the annular flange. The annular flange of the non-pressure head has a plurality of bosses and a plurality of openings corresponding to and aligned with the plurality of openings in the annular flange of the cylinder body. At least one vent is positioned in one of the plurality of bosses. The cylinder body and the non-pressure head are secured to each other at the respective flanges. The vent is positioned in the boss disposed opposite a mounting portion so that when the brake cylinder is mounted to a railway vehicle, the vent is oriented in a bottom position on the cylinder body with respect to a ground surface.

Abstract: The invention relates to a magnetic rail brake device of a railway vehicle, including a magnetic base or carrier element, and a magnetic coil which can be connected to a voltage source by means of a connecting mechanism that is on the base or carrier element and is provided with at least two electrical terminals. An end face of the connecting mechanism is disposed within an imaginary enveloping area of the base or carrier element.

Abstract: A rotor and a method of making same are provided. The rotor can include a substantially annular segment having a thickness defined between a first side surface and a second side surface, as well as an inner end edge surface and an outer end edge surface. At least one expansion groove can be formed in the substantially annular segment, and can include a substantially straight portion and a substantially curved portion. The substantially curved portion of the at least one expansion groove can form an arc of at least about 90 degrees. The rotor can also include at least one flange extending from an inner end edge surface of the substantially annular segment at an angle not parallel to a radial of the substantially annular segment.

Abstract: The device includes a loading and non-compression locking mechanism for a master cylinder hydraulically connected to a hydraulic fuel tank and to braking members. The mechanism is dependent upon a control member capable of unlocking the mechanism in order to concomitantly urge the master cylinder to apply a predetermined hydraulic pressure for acting on the braking members.

Abstract: An apparatus for the parking lock of a vehicle, in particular, of an agricultural tractor. The apparatus comprises a parking lever mechanically linked to a braking lever by a cinematic chain. The braking lever comprises a tooth apt to engage at least a braking element vehicle. The braking lever is provided with a yielding device placed in correspondence to its own hinge. The yielding device is able to ease the engagement of the tooth with a gap comprised between two teeth of a driveline gear in order to guarantee a reliable parking lock of the vehicle.

Abstract: The invention relates to a vibration damper, especially for damping retraction or extension springing forces on motor vehicles, which includes a pressure medium cylinder (2), in which a piston (3) with a piston rod (3) is axially slidably arranged. The piston divides the pressure medium cylinder (2) into a retraction chamber (5) and an extension chamber (6), in which an electrorheological or magnetorheological fluid is contained as a pressure medium. The retraction (5) and extension chambers (6) are connected with one another at least by a throttle gap (7), in the region of which at least one field force generating element (17) is arranged. At least one further non-return check valve (14) is arranged in a further gap (13) between the pressure medium chambers (5, 6). The invention is characterized in that the length of the throttle gap (7) is divided by a gap intersection or gating point (10) into a first throttle gap section (11) and a second throttle gap section (12).

Abstract: A dual seal rod guide assembly with low friction disc for use in a magneto-rheological (MR) strut is described. The dual seals separate the functions of abrasion resistance and temperature performance, with the primary seal formed of a material resistant to high temperatures and the buffer seal formed of a material resistant to the ferroelectric microparticles in the MR fluid. The porous rod guide, in conjunction with the buffer seal, allow only the MR carrier fluid to reach the bearing and primary seal. The MR carrier fluid provides internal lubrication of the bearing and primary seal. The retainer holds the assembly together and engages the rod guide flexible assembly to the housing with a low-friction disc therebetween. The disc reduces surface friction during radial movement of the rod guide.

Abstract: The invention relates to a suspension and damping device (1; 100; 201) for the load-bearing and spring-loaded wheel support and for the damping of suspension movements in a motor vehicle. The device comprises at least one spring cylinder (2; 114; 222) having a piston (6; 118; 226) that is guided in a cylinder (4; 116; 224) such that it can move relative thereto. This piston acts against an elastically compressible spring medium (FM) in order to generate a load-bearing supporting spring force (F), wherein for damping purposes a separate circuit of a hydraulic damping medium (DM) is provided and the circuit is independent of the spring medium (FM). The piston (6; 118; 226) inside the cylinder (4; 116; 224) separates two working chambers (10, 12; 120, 122; 228, 230) from each other, wherein the first working chamber (10; 120; 228) is associated with the spring medium (FM) and the second working chamber (12; 122; 230) is associated with the damping medium (DM).

Abstract: Shock absorbers or suspension dampers, particularly for motor vehicles, including a first and a second section that can move relative to one another, wherein the first and second sections each have a first or second fastening section at the distal end region, a first fastening element is provided at the first fastening section, and a second fastening element is provided at the second fastening section, and wherein the fastening elements are constructed differently and/or are disposed differently from one another with respect to the longitudinal axis of the shock absorber.

Abstract: The present invention provides a one-way clutch comprising an outer race provided with a pocket and having a groove portion formed at an inner diameter side of an axial one end face of the outer race, an inner race arranged coaxially with the outer race, a roller disposed in the pocket and adapted to transmit torque between the outer race and the inner race, a cage having a cylindrical portion with a window and a flange portion extending from an axial one end face of the cylindrical portion in an outer diameter direction, a projection provided on the cylindrical portion, a spring disposed in the pocket between the outer race and the roller and adapted to bias the roller toward an engagement direction with respect to the cam surface, and a side plate secured to abut against the axial one end face of the outer race and provided at its inner diameter portion with spline grooves, and wherein the cage is prevented from being rotated relative to the outer race by fitting the projection in the groove portion.

Abstract: The present invention provides a one-way clutch comprising an outer race, an inner race, a roller adapted to transmit torque between the outer race and the inner race, a cage having a window for holding the roller, a spring disposed in the pocket between the outer race and the roller and adapted to bias the roller toward an engagement direction with respect to the cam surface and having one end and the other end which include tab portions bent non-straightly from a main body portion, one of the tab portions being locked to an axial end face of the outer race, the other tab portion being pinched between an axial end face of the roller and a flange portion of the cage, and wherein one end of the spring is secured to the outer race and the other end is engaged by the roller, and the one end and the other end are connected to the main body portion of the spring via bent portions, and the bent portions are provided with interference preventing portions for interfering the bent portions with the outer race and the

Abstract: A clutch apparatus is equipped with two clutch structures having a clutch drum therein. A driven plate and a piston are provided in the clutch drum of each clutch structure, and a primary coned disc spring and a secondary coned disc spring, which are ring-shaped, are provided between the driven plate and the piston. A flat portion 12 is formed on an inner peripheral portion of a convex surface of the primary coned disc spring 1, and the flat portion 12 can come into contact with a counter member first when a load is applied. A load in a flat condition due to elastic deformation is adjusted by the flat portion so as to be a desirable value. Blanks 1A and 2A of the primary coned disc spring and the secondary coned disc spring can be obtained from one sheet of material having the same thickness. In this case, the flat portion 12A is formed by press forming on an inner peripheral portion of the blank 1A in view of the shape thereof after bending forming is performed.

Abstract: A force transmission device including at least one input and one output, a hydrodynamic component disposed there between, and a vibration damper disposed subsequent thereto in the force flow, which vibration damper comprises at least one damper input connected torque proof to the hydrodynamic component and at least one axial bearing disposed between the damper input and an element forming a support surface in axial direction. The damper input in the portion of its inner circumference includes a bearing seat for the axial bearing. The bearing seat for the axial bearing is formed by at least one rim portion, folded over at the inner circumference of the damper input and forming a fold-over portion.

Abstract: The present invention is a ratcheting one-way clutch for an automotive component such as, for example, a stator for a torque converter. A plurality of ramp plates is provided that are positioned on either side of the catch plate. Each ramp plate includes a series of locking fingers directed at an angle toward the catch plate in a plane that enables the fingers to engage with one of the at least one windows on the catch plate. Such an engagement prevents the catch plate from rotating in the engagement direction, while the angled orientation of the locking fingers allows the catch plate to rotate freely in the opposite (freewheeling) direction. Biasing elements are proved to axially bias the ramp plates toward the centrally positioned catch plate.

Abstract: A transmission includes a transmission case, an oil pan that is defined in a lower portion within the transmission case and stores a lubricating medium capable at least of lubricating components of the transmission, movable engagement members capable of engaging with two elements that respectively correspond thereto, and electromagnetic actuators that respectively move a corresponding one of the movable engagement members to allow a connection between the two elements and a release of the connection.

Abstract: A rotational coupling device for use as a clutch and/or brake is provided having structure to compensate for wear on braking surfaces. The device includes an armature coupled to an output member and movable between positions of engagement with a rotor and a brake plate. The brake plate is coupled to a stationary field shell that houses a conductor on one side of the rotor opposite the armature and brake plate. The brake plate is axially spaced from the field shell and a removable shim or adjustable spacer is disposed between the brake plate and the field shell. Removal of the shim or adjustment of the spacer permit movement of the brake plate towards the field shell to compensate for wear in the clutch and/or brake engagement surfaces of the device.

Abstract: An isolator comprising a one-way clutch engaged with a hub structure, a belt engaging member, a resilient member operationally engaged between the one-way clutch and the belt engaging member, the belt engaging member engaged with the hub structure through a first and second ball bearing where by a radial load is transmitted through the first and second ball bearings, and the one-way clutch disposed between the first and second ball bearings such that no radial load is transmitted through the one-way clutch.

Abstract: The invention relates to a machine (M) for dispensing products and/or services which are paid for with banknotes. The invention is of the type that comprises a banknote reader (L) which is positioned behind a horizontal insertion slot (F1) and which is used to process banknotes inserted by a user. The aforementioned reader is equipped with an essentially-horizontal inlet slot (F2) serving as an inlet for banknotes. According to the invention, the insertion slot (F1) is disposed at a lower level in relation to the inlet slot (F2) along a vertical reference axis (V). In addition, the machine comprises a guiding interface device (1, 2) which is disposed between the insertion slot (F1) and the inlet slot (F2) such as to guide an inserted banknote from the insertion slot (F1) to the inlet slot (F2).

Abstract: A vertically arranged combination desktop currency denominating machine and currency dispenser comprising a currency denominating module adapted to receive a stack of currency bills to be denominated and to denominate the received currency bills, wherein a transport mechanism transports bills individually from an input receptacle adapted to receive the stack of currency bills to one or more output receptacles. The combination further comprising a dispenser retaining section adapted to store currency bills to be dispensed to the one or more output receptacles during a dispensing operation, the retaining section comprising one or more dispensing receptacles, each dispensing receptacle adapted to hold bills having a common denomination, wherein the dispenser retainer section is positioned above the currency denominating module.

Abstract: A sortation conveyor has a divert guide path which is configured to guide pushers to engage articles disposed on an endless conveying surface at an initial impact which does not result in an out of control situation even at high speeds. The divert guide path is disposed at a plurality of divert angles, and guides pushers to engage articles at a low initial contact divert angle and first lateral speed and to accelerate the articles to a final divert angle and second, higher, lateral speed. The pushers may be undergoing lateral acceleration at the time initial contact is made with the articles.

Abstract: Spring tensioner devices are provided for biasing scraper blades toward a conveyor belt. The spring tensioner devices generally are constructed to be easily reconfigurable between a push-up and pull-up configuration while minimizing their space requirements.

Abstract: A machine arrangement that operates on a plurality of articles, such as bottles, includes a plurality of machines arranged in a machine arrangement. At least one of the machines includes an apparatus configured to modify the articles by at least one of moving, holding, manipulating and shaping the articles as they pass from an article infeed to an article discharge of the machine arrangement. A recirculation mechanism moves articles from a downstream machine after a first pass (or run) and recirculates the articles back to an upstream machine in a second (recirculation) pass (or run) so that the articles, which are recirculated through the second pass are again subjected to a different machine modifying operation in at least one machine that the articles have previously passed in the first pass. The articles move continuously through the first and second passes while being subjected to at least one machine modifying operation.

Abstract: A transmission device for thin and brittleness substrate is disclosed, which comprises: a plurality of transportation rollers and a plurality of pinch rollers. Each transportation roller further comprises: a rigid spindle; and a plurality of elastic supporting wheels, mounted on the spindle. Each pinch roller comprises: a sleeve; a spindle, ensheathed in the sleeve; and a plurality of pressing wheels, mounted on the sleeve at positions corresponding to the supporting wheels. When the transportation rollers are driven to rotate, a substrate sandwiched between the supporting wheels and the pressing wheels will be push to move while subjecting to a friction originated from a sufficient holding force by the supporting wheels and the pressing wheels, and consequently, providing an improved buffering capability for deformation absorption that enables the transmission device to guide the thin substrate to move smoothly without causing buckling or scratching to the thin substrate.

Abstract: A rail section comprises a body portion. The rail section has a profile that provides one or more roller contact areas extending a length of the rail section. The rail section further comprises an end portion that defines one or more slots that allow the one or more roller contact areas to deflect elastically relative to the body portion.

Abstract: A mechanical interface for transferring a reciprocating movement from one element to another element releasably mountable thereto. The interface comprises at least three interface points, at least two of which being laterally spaced apart, and at least two of which being longitudinally spaced apart. Motion means provides a reciprocating movement, which is transferred from the one element to the other element via at least one of the interface points. The interface point(s) transferring the movement comprises contact portions having curved contact surfaces, such that the curved contact surfaces are in abutment with opposing contact surfaces of the interface point when the elements are mounted, thereby transferring the reciprocating movement.

Abstract: A training idler for a conveyor system is disclosed. The idler includes a roller positioned about a shaft and a bearing assembly positioned between the roller and the shaft such that the roller is rotatable about the shaft. A pivot assembly couples the bearing assembly to the shaft such that the bearing assembly and the roller can pivot relative to the shaft.

Abstract: The invention relates to a movement device comprising an endless belt comprising a working portion defined in a substantially horizontal working plane and a reserve portion defined in a reserve plane optionally coinciding with said working plane; a first guide wheel linearly movable in said working plane and guiding the endless belt; a second guide wheel linearly movable in said reserve plane and guiding the endless belt; two deflector members for deflecting the endless belt from the working plane to the reserve plane; drive means for driving the endless belt; and movement means for synchronously moving the two guide wheels in such a manner that the sum of the distances between each of the guide wheels and the deflector members is constant. The length of the working portion of the endless belt is capable of varying continuously and the quantity of articles that can be placed on the working portion of the belt can vary accordingly.

Abstract: A tensioning device configured for use in a conveyor system as an idler roller over which a belt is wound under tension includes a housing, an arm mounted in the housing for linear movement in and out of the housing, a roller mechanism mounted at a distal end of the arm including a roller configured for rolling contact with a belt of a conveyor system, and an actuator for extending and retracting the arm from the housing. The actuator includes a worm shaft and a lead screw. A pinion of the worm shaft engages a gear affixed at one end of the lead screw. The tensioning device includes a coupling by which rotation of the lead screw results in outward movement of the arm when the worm shaft is rotated in a first direction, and which results in inward movement of the arm when the worm shaft is rotated in the opposite direction. Engagement of the worm shaft to the gear is self-locking.

Abstract: A dual action button assembly permits a user to depress a portion of a push button or to rotate the push button to provide input. The dual action button assembly comprises a push button having a plunger which is moveable relative to a housing to actuate a first electrical switch. The push button is rotatably mounted to a button support. Rotation of the push button causes an actuator to actuate a second electrical switch. The dual action button assembly may be custom configured with a push button or be configured as an attachment for use with an existing single-action push button to retro-fit such a button to a dual action button. The dual action button has particular utility to wagering type gaming machines.