Abstract: A cup holder assembly is mounted to a chair arm of the type having a T-shaped arm. The cup holder assembly comprises a cup holder body having an open-top receptacle for receiving a beverage cup, a lower leg extending from the body for support against a chair arm stanchion and a bracket having a clip portion to grip the chair T-shaped arm and an upstanding leg. The bracket is connected to the cup holder body by a fastener to mount the cup holder body to the chair arm. A bracket cover conceals the bracket.

Abstract: An ejector for providing motive gas for conveying particulate solids from a solids supply vessel through a conveying pipeline includes a gas introduction stage and a solids introduction stage. The gas introduction stage includes a fluids mixing chamber having a principal inlet port for connecting to a source of high-pressure compressed gas, an outlet port connected to the solids introduction stage, and a secondary inlet port that is open to the atmosphere or other low-pressure gas source. The solids introduction stage includes a fluids/solids mixing chamber having an, inlet port connected to the gas introduction stage, an outlet port for connecting to a pipeline, and a material receiving port for connecting to a vessel outlet. As the compressed gas enters the gas introduction stage, the high velocity gas induces atmospheric air or other low-pressure gas from the secondary inlet port, thus increasing the mass flow into the solids introduction stage.

Abstract: An ejector mountable on a planar wall of a housing for gathering and conveying particulate material to within such housing generally consisting of a flat base plate segment mountable on such planar wall member, a first set of flat plates joined together and with the base plate segment defining a converging fluid passageway, a second set of flat plate segments joined together and with the first set of plate segments and the base plate segment defining a restricted fluid passageway communicating with the converging fluid passageway and a third set of flat plate segments joined together and with the second set of plate segments and the base plate segment defining a diverging fluid passageway communicating with the restricted fluid passageway, one of the plate segments having a first inlet opening through which a stream of pressurized fluid may be injected into the converging and restricted fluid passageways, one of the plate segments having a second inlet opening through which fluid may be suctioned by a negativ

Abstract: A packing gland assembly mountable on a shaft extending through an opening in a wall member of an apparatus consisting of a main housing member mountable on the shaft having an opening for receiving the shaft therethrough, the opening being provided with an enlarged section defining an annular space about the shaft when the man housing member is mounted on the shaft with the shaft extending through the opening therein; a split housing member mountable on the shaft including a section receivable in the annular space provided by the main housing section, such section having an opening for receiving the shaft therethrough and being provided with an enlarged section defining an annular space about the shaft when the main and split housing members are mounted on the shaft with the shaft extending through the openings therein; at least one packing ring mountable on the shaft and receivable within the annular space of the split housing member when the main and split housing members are mounted on the shaft in the as

Abstract: An apparatus into which particulate material may be charged for further handling generally includes a housing having a support wall including a primary inlet through which particulate material may be charged, producing portions of settling and airborne particles of such material, and at least one secondary inlet, and an outlet through which the particulate material may be discharged, a filter unit having an inlet communicating with the interior of the housing and means for producing an airflow from the primary and secondary inlets through the filter unit whereby ambient air will be caused to be drawn through the primary and secondary inlets and the filter unit, entraining airborne particles outside and within the housing which further are caused to be removed from such airflow by the filter unit, dislodged therefrom and be discharged through the housing outlet.

Abstract: An apparatus into which particulate material contents of rupturable bags may be charged for further handling including a hopper having an inlet into which the material may be charged, producing portions of settling and airborne particles of the material, and an outlet through which the settling portion of the material may be discharged, a first filtering unit having an inlet communicating with the hopper inlet, a second filter unit having an inlet communicating with an outlet of the first filter unit and means for producing an air flow from the hopper inlet and sequentially through the first and second filter units whereby the portion of airborne particles of the material is drawn by the air stream through the filter units for removing the airborne particles therein.

Abstract: An eductor wand for vacuuming free flowing, bulk particulate materials consisting generally of a first conduit having first and second inlets; a venturi disposed within such first conduit and spaced therefrom to provide a passageway therebetween intercommunicating the first and second inlets of the first conduit and having an inlet disposed adjacent the first inlet of the first conduit and an outlet communicable with a particulate material conveying means; and a second conduit having an inlet connectable to a source of air under pressure and an outlet configured to inject pressurized air into the venturi inlet whereby upon applying air under pressure to the second conduit and positioning the first conduit inlet adjacent a mass of particular material, a low pressure zone will be created in the first conduit inlet causing particulate material to be drawn through the first inlet of the first conduit and ambient air to be drawn through the second inlet of the first conduit, and such particulate and ambient air to

Abstract: A rotary valve consisting generally of a housing having a cylindrical chamber provided with radially disposed inlet and outlet passageways; a shaft journaled in the housing extending through and disposed coaxially relative to such chamber; and a rotor mounted on said shaft within such chamber having a first set of circumferentially spaced material receiving pockets communicable with the inlet and outlet passageways for receiving material through the inlet passageway, conveying it through the chamber and discharging it through the outlet passageway, and a second set of circumferentially spaced material receiving pockets communicable with the outlet passageway for discharging material through the outlet passageway; a cylindrical wall of the chamber having a passageway having an inlet communicating with a leading side of the inlet passageway and an outlet communicating with the second set of pockets for guiding material received through the inlet passageway and not received within the first set of pockets, to th

Abstract: A bag dumping station for receiving particulate materials from rupturable bags or other portable containers is provided with a vacuum facility with a direct inlet to the hopper of the station and includes an ejector for providing motive gas for vacuum conveying particulate solids from a drum or spilled materials from broken bags.

Abstract: A filter apparatus generally including a housing defining an air plenum having an inlet and at least one outlet, a filter member having an outlet, disposable within the air plenum in a preoperative position with the outlet thereof in registry with the housing outlet, means selectively operable when the filter member is in the preoperative position for displacing the filter member into an operative position with the filter member outlet communicating with the housing outlet and the filter member in sealing engagement with the housing about the housing outlet, and means for producing an airflow from the housing inlet and through the filter member and the housing outlet whereby airborne particles entrained in airflow drawn through the housing inlet are caused to be removed by the filter member.

Abstract: Particulate material is conveyed in a dense phase in either a batch mode of conveyance or a continuous mode. In either mode, during the conveyance cycle, the flow rate of compressed gas to the transporter vessel is adjusted to control material conveyance. During start-up the flow rate is decreased to allow material to build in the vessel, then the rate is increased to a normal conveyance value. At the end of the cycle, the flow rate is again decreased to avoid surges and high velocity flow. During the normal conveyance cycle, the flow rate is decreased if the material level in the vessel falls below a minimum value and increased if it rises above a maximum value. The flow rate is adjusted by opening and closing the throat in a venturi tube in an adjustable valve in the gas flow line connected to the vessel.

Abstract: A concession goods holder for attachment to a cup holder such as in the end of a stadium or theater seat armrest. The concession goods holder is preferably made from resilient plastic and is in the form of a U-shaped bracket open at the sides and top for clasping and retaining concession goods such as a popcorn bag. The holder has a laterally extending arm terminating in a step-sided cup holder sized for engagement with the cup holder arm end of a stadium or theater seat armrest. This arrangement permits the user to employ the device for holding both a drink and a bag of popcorn from the concession stand.

Abstract: An improved coupling assembly is disclosed for use in bulk material conveying systems. The coupling assembly includes a first tubular section having an annular flange. The assembly receives an endless rope assembly with spaced disks for moving bulk material including powdered, pelletized, and granulated material. A second tubular section has a portion extending into the first tubular section secured with first and second coupling members including a section overlying and engaging a portion of the second tubular section. A first flange section is disclosed which mates with a laterally projecting flange section of the first tubular section and a second flange section. Sealing elements for sealing the assembly from the escape of fluidizing gasses are disposed between the first flange sections of the coupling members and the laterally projecting flange portion of the first tubular section and between the first and second tubular sections.

Abstract: A bulk material conveying system includes a closed chamber having an inlet and an outlet and a conveyor communicating with the chamber outlet for receiving bulk material from the chamber. A pressurized gas is supplied to the upper portion of the chamber and to the conveyor to provide a pressure differential in the chamber which causes the bulk material in the chamber to flow through the outlet and conveyed through the conveyor. A pressure regulator is provided for automatically maintaining the pressure in the upper portion of the chamber at a predetermined value not to exceed a pressure sufficient to maintain the pressure differential during normal material flow rate conditions.

Abstract: An apparatus for separating tramp particles from comparatively lighter particles of product being conveyed, both entrained in a fluid stream within a pipeline of a pneumatic conveying system, generally comprising a passageway through which the fluid stream with the entrained particles is conducted, the fluid passageway including a section having a progressively increasing cross-sectional area whereby the velocity of the fluid stream is caused to decrease as it traverses through the passageway, a baffle disposed in the path of the fluid stream traversing through the passageway for laterally deflecting the fluid stream flowing at a reduced velocity whereby the tramp particles are caused to gravity fall from the fluid stream while the product particles remain entrained therein, and a receptacle for receiving the tramp particles discharged from the fluid stream.

Abstract: In a rotary valve including a housing having a rotor chamber and a drive shaft journaled in the housing and having an end portion thereof projecting into the rotor chamber, a rotor mountable on the drive shaft within the rotor chamber comprising a solitary body of plastic material having a cylindrical wall provided with a plurality of circumferentially spaced pockets machined-out therein, means for detachably mounting the body on the drive shaft and means for securing the body to the drive shaft when mounted thereon.

Abstract: A rotary valve generally consisting of a housing having a rotor chamber provided with inlet and outlet openings and an end access opening, a drive shaft journaled in the housing having an end section extending into the rotor chamber toward the end access opening, such shaft end section having a plane, torque transmitting surface, a rotor having an axial, cylindrical opening receiving the shaft end section, a plurality of circumferentially spaced pockets for receiving material from the inlet opening and discharging such material through the outlet opening and a plane, torque transmitting surface cooperable with the torque transmitting surface of the drive shaft end section, when the rotor is inserted through the end access opening into the rotor chamber, the rotor being freely slidable onto and off of the drive shaft end section, in the rotor chamber and through the end access opening, and a cover plate for the end access opening detachably secured to the housing.

Abstract: A rotor for a rotary valve of the type including a housing providing a rotor chamber with a material inlet and a material outlet and a drive shaft journaled in said housing for supporting said rotor in said rotor chamber. The rotor includes a rotor shaft operatively connectable to the drive shaft and disposable in said rotor chamber. The rotor shaft has a plurality of longitudinally disposed, circumferentially spaced between recesses in which an edge of a plurality of vanes are received. The recesses include a slot preferably with a dovetail cross-sectional configuration, with the edge of the vanes having a comparable cross-sectional configuration. A pair of shrouds are included on either side of the vanes.