Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7789218 | Drive/frame assembly for a reciprocating slat conveyor Opposite end sections (20, 26) of a piston/cylinder drive unit (14) are clamped to longitudinally spaced apart transverse mounting beams (10, 12), by a fixed clamp parts connected to the mounting beams (10, 12) and removable clamp parts t... | 09/07/2010 |
| 7661523 | Linear hydraulic motor and reciprocating floor conveyor A linear hydraulic motor (12) includes an elongate cylinder (26) and at least one piston (34) slidingly located inside the cylinder. The piston (34) has a longitudinally extending portion which fits with clearance in the cylinder and whic... | 02/16/2010 |
| 7584838 | Linear hydraulic motor and a reciprocating floor conveyor A linear hydraulic motor (12) includes an elongate cylinder (26) and at least one piston (34.1, 34.2, 34.3) is slidingly located inside the cylinder (36). The motor (12) is characterised in that in use force is transferred from the... | 09/08/2009 |
| 7380652 | Reciprocating slat conveyor Separate manifold blocks are connected to the ends of tubular piston rod end portions of linear hydraulic motors that are parts of a drive assembly for a reciprocating slat conveyor. The manifold blocks are removably connected together by bolts and when connected co... | 06/03/2008 |
| 7331093 | Pieces hold-unit for workstations, transfer machines and like A pieces hold-unit for machine tools such as workstations, transfer machines and milling machines is provided which comprises two parallel supports (12, 13) placed on a plane with at least a first of said support guided, controlled and movable with respect to... | 02/19/2008 |
| 7320395 | Floor for cargo space A cargo supporting floor has two or more groups of movable slats attached to drive feet which drive cylinder assemblies reciprocate. The drive cylinder assemblies are at least partially in front of the groups of slats, the slats being attached to the upper sides of ... | 01/22/2008 |
| 7252190 | Bale wagon load rack and round bale unloading attachment A bale wagon for large bales that uses a load rack made of a plurality of longitudinal spaced-apart channel members that move in segments to transfer the load rearwardly for unloading. A tilting bed round bale unloader deposits bales one tier at a time onto their cy... | 08/07/2007 |
| 7243779 | Reciprocating slat conveyor with V-slats Fixed conveyor slats (12) in the nature of beams extend over a window in support framework (53, 100, 102, 116, 118) for the movable and fixed slats (10, 12) in a reciprocating slat conveyor. The fixed slats (12) support the movable slats ... | 07/17/2007 |
| 7131526 | Slat conveyor with V-slats and slat support beams Fixed conveyor slats (12) in the nature of beams extend over a window in support framework (53, 100, 102, 116, 118) for the movable and fixed slats (10, 12) in a reciprocating slat conveyor. The fixed slats (12) support the movable slats ... | 11/07/2006 |
| 7028832 | Drive unit mount for reciprocating slat conveyor Transverse frame members (14, 16) extend across and are connected to longitudinal frame members (10, 12). Frame member (14) divides longitudinal frame members (10, 12) into major and minor parts (20, 22, 24, 26). The minor parts ( | 04/18/2006 |
| 6994012 | Drive units and drive assemblies A threaded nipple (26) at the closed end of a linear hydraulic motor (12) is received within a recess (82) in a frame member (78). Single clamp members, or individual clamp members (88), have recesses (92) that receive lower... | 02/07/2006 |
| 6959953 | Gripping device for taking hold of receptacles The gripping device for taking hold of receptacles comprises tongs having a first jaw fixed to a rotary platform and a second jaw mounted to pivot relative to the first jaw and provided with a control arm, and a locking member mounted to pivot eccentrically about an... | 11/01/2005 |
| 6782994 | Heavy-duty reciprocating slat conveyor A plurality of laterally spaced apart, longitudinally extending, V-shaped upper conveyor slats (10) are provided. Each upper conveyor slat (10) has a crown and opposite side portions that slope laterally outwardly and downwardly from the crown. The sid... | 08/31/2004 |
| 6513648 | Reciprocating conveyor with top front drive The container of a mobile cargo trailer is provided with a reciprocating slat type conveyor floor in which the elongated slats are supported at their lateral edges on V-shaped bearings which are mounted on Y-shaped supports integral with sub-deck sections... | 02/04/2003 |
| 6457578 | Reciprocating slat floor conveyor A moving slat conveyor in which the slats are reciprocally mounted on cross beams and wherein the slats are provided with depressed areas above the respective beams so that the slats fall and rise during their reciprocal movement. All of the slats are mov... | 10/01/2002 |
| 6439374 | Oscillating drive for resonance systems An oscillatory drive unit for use in an oscillating system to be oscillated substantially at the resonance point of the oscillating system, wherein the oscillating system includes a mass to be oscillated and a countermass to which the mass is connected by... | 08/27/2002 |
| 6237748 | Oscillating drive for resonance system An oscillatory drive unit for use in an oscillating system to be oscillated substantially at the resonance point of the oscillating system, wherein the oscillating system includes a mass to be oscillated and a countermass to which the mass is connected by... | 05/29/2001 |
| 6056113 | Drive beam to drive unit connections In the drive assembly (10) of a reciprocating slat conveyor, three transverse drive beams (28, 30, 32) extend over and across three piston rods (22, 24, 26). The drive beams (28, 30, 32) have side flanges (74, 76) in which three pairs of downwardly openin... | 05/02/2000 |
| 6039092 | Conveyor drive and control system Method and apparatus for conveying a plurality of containers to a filling station for supplying the containers with paints or coatings. The conveyor is periodically driven to the filling station by a rotary actuator including a plurality of air motors whi... | 03/21/2000 |
| 6026949 | Drive units and drive assembly for reciprocating slat conveyors Three tandem drive units are provided. Outward variable volume working chambers at one end of the drive units are connected via passageways in the piston rods with inward variable volume working chambers at the opposite end of the drive units. In similar ... | 02/22/2000 |
| 6006896 | Reciprocating slat conveyor with front end drive assembly A reciprocating slat conveyor has upper and lower sections formed by upper and lower conveyor slats (14, 12). The upper section is at the forward end of a receptacle (10) in which the conveyor is located. It includes a transition wall (150) that extends t... | 12/28/1999 |
| 6003660 | Drive units and drive assembly for a reciprocating slat conveyors Three tandem drive units are provided. Outward variable volume working chambers at one end of the drive units are connected via passageways in the piston rods with inward variable volume working chambers at the opposite end of the drive units. In similar ... | 12/21/1999 |
| 5996773 | Fluid drive for reciprocating floor An enclosed fluid drive system for cycling the beams in a reciprocating floor between a reset position and a delivery position wherein an array of fluid motors engages the beams for moving the same and the fluid drive system includes an exhaust system whe... | 12/07/1999 |
| 5984076 | Drive assembly for reciprocating slat conveyor A drive assembly has a plurality of piston/cylinder drive units each of which has a piston component longitudinally fixed to a fixed transverse frame member. First and second working chambers in a movable cylinder component are connected to pressure and r... | 11/16/1999 |
| 5957267 | Reciprocating conveyor in a trailer having higher structural and operational efficiency The conveyor forms the floor of the trailer and is made up of longitudinal slats slidably supported on cross beams. In a center frame trailer all the cross beams are supported on longitudinal beams. In a frameless trailer some of the cross beams are suppo... | 09/28/1999 |
| 5934445 | Continuously advancing reciprocating slat conveyor In a reciprocating slat conveyor, at least three slat sets of at least one slat (CS) each are driven by piston-cylinder drive units (26), one for each slat set. Each drive unit (26) is provided with a four-way proportional directional control (PDC) valve.... | 08/10/1999 |
| 5931284 | Reciprocating tube conveyors A plurality of elongated, generally side-by-side conveyor tubes (28) are positioned within a material container (10) to provide spaces (30) between the conveyor tubes (28). A drive mechanism (DM) is connected to ends of the conveyor tubes (28), for recipr... | 08/03/1999 |
| 5860508 | Reciprocating tube conveyors A plurality of elongated, generally side-by-side conveyor tubes (28) are positioned within a material container (10) to provide spaces (30) between the conveyor tubes (28). A drive mechanism (DM) is connected to ends of the conveyor tubes (28), for recipr... | 01/19/1999 |
| 5839568 | Reciprocating floor conveyor control system The reciprocating floor conveyor (10) has a frame (14) guide beam assemblies (46) and floor slats (50) slidably mounted on the guide beam assemblies. An A group of floor slats (50) are connected to a transverse drive beam (100) and reciprocated back and f... | 11/24/1998 |
| 5799778 | Drive system for reciprocating conveyors The subject invention is for use in reciprocating conveyors in which the load is carried and moved by groups of side-by-side slats which reciprocate longitudinally. The slats in each group are attached to a drive member and the drive members are actuated ... | 09/01/1998 |
| 5664663 | Reciprocating floor conveyor The reciprocating floor conveyor (11) includes a plurality of elongated floor slats (52) that are slidable supported on bearings (50) and constitute a substantial portion of the floor 46 of a cargo container (10). Drive bars (60, 62 and 64) are reciprocat... | 09/09/1997 |
| 5638943 | Drive assembly for reciprocating slat conveyor Each of a plurality of side-by-side drive units (90, 92, 94) has a cylinder barrel component (98, 100, 102, 104, 106, 108) at each end and a centrally positioned piston component (110, 112, 114). The drive assembly also includes a pair of longitudinally s... | 06/17/1997 |
| 5605221 | Drive unit with bearing mount A drive unit for a reciprocating floor conveyor has a piston component (90) with an outer end longitudinally fixed to a transverse mounting member and a movable cylinder component (92) with a tubular extension (102). A slide bearing (104) supports and gui... | 02/25/1997 |
| 5522494 | Reciprocating slat conveyor A reciprocating slat conveyor for loading and unloading a bulk cargo from a stationary or movable receptacle includes a plurality of elongate slats arranged side-by-side along the bottom of the receptacle and grouped into three slat sets each set movable ... | 06/04/1996 |
| 5489018 | Stem for mounting reciprocating slat conveyor A drive frame assembly includes opposite transverse drive frame members (64), each of which includes a metal plate (66) with a central portion having a plurality of longitudinal corrugations (68). The plate (66) is stiffened by transverse beams (78, 80). ... | 02/06/1996 |
| 5433312 | Drive assembly for conveyor slats of reciprocating floor conveyor A reciprocating floor conveyor comprising a support frame (12), a plurality of elongated conveyor slats (?), a plurality of drive motors (40), one for each conveyor slat, for reciprocating the conveyor slats, and a set: of lugs (86,100) and contact blocks... | 07/18/1995 |
| 5431523 | Remote control for a reciprocating vehicle bed conveyor floor A reciprocating conveyor being switchable between an operation mode and an interrupt mode by an RF remote control. An electric valve communicates between a hydraulic drive pump and a reciprocating switch valve to provide a bypass for a pressurized fluid. ... | 07/11/1995 |
| 5353918 | Reciprocating conveyor with reinforced floor members The ball end (16) of the piston rod (14) of a linear motor (6) is mounted in a ball block (52). The block (52) has mating housing portions (54, 56) that abut along mating surfaces (64) that are substantially parallel to, but slope relative to, the motor a... | 10/11/1994 |
| 5350054 | Ball block for mounting linear motor The ball end (16) of the piston rod (14) of a linear motor (6) is mounted in a ball block (52). The block (52) has mating housing portions (54, 56) that abut along mating surfaces (64) that are substantially parallel to, but slope relative to, the motor a... | 09/27/1994 |
| 5340264 | Reciprocating floor conveyor A reciprocating floor conveyor has at least three groups of one or more individually reciprocatable slat members. A drive engages each slat group and moves more than half of the slat members simultaneously in a conveying direction and moves the remainder ... | 08/23/1994 |