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| Number | Title | Issue Date |
| 7287640 | Roller conveyor zone with motorized roller A roller conveyor using a motorized drive roller has the drive roller located other than in the terminal roller position of conveyor zones. Damage to the motorized drive roller from overheating or impact loads is minimized. ... | 10/30/2007 |
| 6899219 | Tape drive conveyor A roller conveyor includes opposite sidewalls and at least two tandem zones. Each zone includes a plurality of idler rollers rotatably mounted at and between the opposite sidewalls, and a drive system having a motorized or directly driven roller. The driven roller i... | 05/31/2005 |
| 6883660 | Conveyor bed emergency stop A conveyor system includes a conveyor frame, at least one motor at the frame and a control circuit at the frame. The motor is configured to cause articles placed in at least one location on the conveyor system to be transported when the motor is energized. A first p... | 04/26/2005 |
| 6814222 | Narrow belt non-pneumatically actuated accumulation conveyor The invention is particularly useful for accumulation conveyors. An assembly located beneath its corresponding zone of item transporting rollers activates the item transporting rollers by lifting the accumulator's narrow belt to engage the underneath side of the ite... | 11/09/2004 |
| 6805234 | Roller conveyor A roller conveyor with rotating rollers for transporting goods with a belt for driving the rollers arranged under the rollers, whereby the belt is aligned substantially vertical, is characterized in that on the upper edge of the belt, in contact with the rollers, a ... | 10/19/2004 |
| 6651808 | Belt driven roller conveyor A roller conveyor belt driver system for a roller conveyor includes a closed loop belt having a continuous driving surface and a non-circular base and a plurality of pulleys which support and engage said non-circular base for at least partially laterally ... | 11/25/2003 |
| 6585107 | Drive system, especially for transport rollers The invention relates to a drive system for transport rollers (4) in a roller path. According to the invention, said transport rollers (4) are rotated by drive means (14, 34, 52). Said drive means (14, 34, 52) are completely arranged in the interior of at... | 07/01/2003 |
| 6478142 | Contact assembly for accumulation conveyors A contact assembly for an accumulation conveyor includes a support member having a cavity dimensioned to receive a force producing device. A contact member is positioned between the force producing device and the conveying rollers and reciprocates with re... | 11/12/2002 |
| 6223888 | Accumulation conveyor The invention refers to a roller conveyor for individually packed goods units, and particularly for heavy, individually packed goods units such as pallets, with multiple successive and spaced rollers arranged in the direction of conveyance, provided also ... | 05/01/2001 |
| 6193054 | Modular accumulator conveyor system A conveyor system especially suitable for transfer and spacing of articles in a smooth distortion-free manner and controlled acceleration/deceleration is provided. An endless transfer belt is driven by an endless drive belt selectively engaging the lower ... | 02/27/2001 |
| 6065588 | Contact assembly for accumulation conveyors A contact assembly for an accumulation conveyor includes a support member having a cavity dimensioned to receive a force producing device. A contact member is positioned between the force producing device and the conveying rollers and reciprocates with re... | 05/23/2000 |
| 5582287 | Drive chain for accumulation conveyor A zero-pressure accumulating conveyor including a bed defined by rotatable rollers mounted in parallel sidewalls and powered by an endless drive chain. Pneumatic actuators lift the drive chain into engagement with the rollers to empower same. Sensor rolle... | 12/10/1996 |
| 5540323 | Modular pneumatic accumulation conveyor An accumulation conveyor includes an endless drive belt that is juxtaposed with a multiplicity of rollers and at least one control device for selectively moving the drive belt into driving engagement with the rollers. The drive belt has a high-friction fa... | 07/30/1996 |
| 5211281 | Modular roller conveyor A roller conveyor is assembled of several identical modules disposed end to end to define an elongated path for discrete commodities. Each module has a set of parallel idler rollers, an endless flexible belt with an upper reach in contact with the undersi... | 05/18/1993 |
| 5191967 | Conveyor system having non-singulating accumulation conveyor A conveyor system includes an accumulation conveyor that is particularly useful in a location outbound of a sortation spur in combination with a receiving conveyor which receives products from the accumulation conveyor at a generally constant rate. The ac... | 03/09/1993 |
| 5016748 | Accumulating conveyor An accumulating conveyor includes a frame having generally parallel sides with a plurality of load-carrying rollers rotatably mounted between the frame sides. A plurality of lifting rollers are rotatably mounted between the frame sides beneath the load-ca... | 05/21/1991 |
| 4958723 | Roller track A roller track is arranged in sections in that individual groups of carrier rollers can be selectively drivingly connected to and disconnected to and from a drive belt for section stop-and-go operations permitting a buffer location for each section, there... | 09/25/1990 |
| 4942957 | Conveying roller apparatus A conveying roller device having holding locations for the material to be transported in which switch bars (4) extend above the supporting rolls (2) which are mounted between side plates (1) and are driven at the holding positions A, B and C by the drive ... | 07/24/1990 |
| 4863012 | Accumulating conveyor system An accumulating conveyor system and method for accumulating articles are disclosed. The first embodiment of the conveyor system (10) includes a primary conveyor belt (11) which moves within a transport channel (30) having horizontal rest rails (31). The p... | 09/05/1989 |
| 4609098 | Zero pressure accumulating conveyor and module A module including control valves, actuators and racks for effecting, selectively, accumulating and conveying in a belt driven live roller conveyor. A master control valve is connected in a discharge zone to control accumulation or continuous conveying wi... | 09/02/1986 |
| 4473148 | Motion sensor for motion sensing accumulator An accumulator conveyor is equipped with sensors which respond to article movement by pivoting about a vertical axis as the result of having a pair of laterally spaced wheels on opposite ends of a shaft with one wheel driven by the propelling member and t... | 09/25/1984 |
| 4461382 | Motion detector and control system for an accumulating live conveyor An accumulating live conveyor comprises a plurality of load-carrying rollers supported for rotation about transverse axes, a power-driven belt for engaging the load-carrying rollers to convey loads from the upstream end toward the downstream end of the co... | 07/24/1984 |
| 4441607 | Mode changing means for accumulator conveyors An accumulator conveyor having an endless driven propelling member has a vertically adjustable support for said propelling member. The support has a stationary lower member and a vertically movable upper member divided into a plurality of segments arrange... | 04/10/1984 |
| 4392568 | Live roller conveyor A live roller conveyor in which the conveyor path defined by a plurality of rollers is provided with roller drive means normally continually driving all of the rollers for conveying articles, and in which one or more article sensing rollers normally sligh... | 07/12/1983 |
| 4361224 | Roller motion sensing accumulator This invention relates to accumulator conveyors. During the past two decades many types of accumulator conveyors have been developed. These utilize a variety of different operating mechanisms and principles. This invention is in the field of accumulator c... | 11/30/1982 |
| 4361225 | Actuator belt accumulator An accumulator has a driven belt which is so supported that it either propels the articles by contact with them or by driving rollers on which the articles are supported. In either case, rotatable supports are provided beneath the belt. Several of these s... | 11/30/1982 |
| 4353458 | Belt supports for accumulators A support for a flat conveyor belt is disclosed which utilizes a pair of tapered rollers, one on each side of the belt's centerline. The rollers are mounted on shafts which are inclined to the plane of the belt such that the roller surfaces are parallel t... | 10/12/1982 |
| 4345684 | Accumulator conveyor An accumulator conveyor for transporting intermittent loads is disclosed. Live carrier rollers define a transport surface. A drive belt is disposed subjacent the carrier rollers and brought into friction drive contact therewith by means of pressure rotors... | 08/24/1982 |
| 4311231 | Accumulating conveyor The drive member actuating rollers of an accumulating conveyor are independently supported by pneumatically inflatable tubing at a regulated pneumatic pressure engaging the drive member against the load carrying rollers to provide a drive force substantia... | 01/19/1982 |
| 4293065 | Drive/take-up assembly for accumulating live roller conveyor systems An accumulating live roller conveyor is power-driven to effect rotation of a plurality of load-carrying rollers and transport loads from roller to roller without gravity assistance and includes apparatus which is specifically designed to permit loads to r... | 10/06/1981 |
| 4219115 | Accumulation conveyor brake A brake mechanism for an accumulation conveyor includes a brake frame supporting a brake pad at an angle and movable between a lower braking position with the brake pad frictionally engaging one of the conveyor rollers on an upper non-braking position. Pr... | 08/26/1980 |
| 4108304 | Powered roller accumulation conveyor This invention discloses an accumulation conveyor of the powered roller type, having a power-driven belt passing through a plurality of independent operating zones arranged in tandem along the length of the conveyor. The belt is held in contact with the d... | 08/22/1978 |
| 4042101 | Accumulating conveyor An accumulating live roller conveyor in which articles of different sizes and weights may be stopped when movement of a lead article is blocked. The accumulation is in cascading fashion, and release may either be cascading or simultaneously. The conveyor ... | 08/16/1977 |
