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Class 198/784 - Arranged or having means to change load speed


Subclass of Class 198 - Conveyors: power-driven
Definition: Apparatus having means (1) whereby the rotatable speed of
No. of patents: 34
Last issue date: 04/29/2008


NumberTitleIssue Date
7364035Airless accumulation conveyor
An accumulation conveyor and method, according to the invention, includes providing a plurality of tandem accumulation zones, each of the zones including a conveying surface and at least one drive roller selectively driving the conveying surface. A drive member belo...
04/29/2008
7311192Systems and methods for providing an improved timing conveyor
Methods and apparatus for a conveyor system for evenly spacing conveyed objects are provided. In one embodiment, the conveyor system includes a conveyor belt that includes a conveyor having cavities, rollers in some of cavities, and a positioning component. The conv...
12/25/2007
7249669Apparatus and methods for high speed conveyor switching
Disclosed are conveyors and methods for making and using a conveyor. In some embodiments, the conveyor comprises a modular conveyor belt that includes at least one mat-top chain having at least one cavity and at least one first roller disposed in the cavity of the m...
07/31/2007
7240973Crawler, crawler pin, crawler bush, and crawler manufacturing method
A crawler having a crawler pin and a crawler bush having lubrication between the crawler pin and the crawler bush without lowering the strength of the crawler at the running time, thereby to prevent the creak or seizure, as might otherwise be caused at the running t...
07/10/2007
7168552Article joining system
A conveyance path for conveying articles though an accumulation conveyor, then through a carry-out conveyor, and then through a joining station is disclosed. After a flow of articles and at a time when there are no articles present on a portion of the conveyance pat...
01/30/2007
7114613Article unscrambler with high speed tapered roller
An unscrambler conveyor including a frame, a plurality of tapered rollers rotatably supported by the frame for unscrambling packages, and means for driving the rollers. Each of the rollers has a longitudinal axis and a polyurethane body that extends along the longit...
10/03/2006
6996454Method and control system for controlling a conveyor system and a plant for baling paper pulp
Methods are disclosed for controlling conveyor systems including providing status information for each of a plurality of conveyors, providing control information for each of the conveyors based solely upon the status information from that conveyor and from adjacent ...
02/07/2006
6823984Automatic developing device, roller washing method, photosensitive material processing device, and preparation method for processing liquid
A photosensitive material processing device for processing a photosensitive material with a processing liquid while conveying the photosensitive material by a roller pair. A driving device for providing a rotation drive to the roller pair. A drive controlling device...
11/30/2004
6710505Direct drive inside-out brushless roller motor
A brushless d.c. motor is integrated with a conveyor roller (14) by placing a plurality of stator coils (15) on a stationary shaft (18) and securing a rotor (10) with segments (12) of permanent magnetic material to the inside of th...
03/23/2004
6473991Apparatus to transport and cool rolled products such as rods, wires, round pieces or similar
Apparatus to transport and cool rolled products such as bars, round pieces, rods or similar, arrangable downstream of a coil-forming head, comprising a plurality of transport rollers, at least partly motorized and parallel to each other to define a substa...
11/05/2002
6450325Powered conveyor system with multiple rollers
The present invention relates to a powered roller bed with multiple rows of rollers, wherein two or more self-powered rollers are provided on each row along the bed. The rollers are preferably powered by electromagnetic motors having a stationary shaft an...
09/17/2002
6244427Modular gearless motorized conveyor roller
A drive roller has a brushless D.C. motor with a stator or armature mounted on a fixed shaft and directly driving a 16 pole permanent magnet rotor mounted inside a roller tube. A motor controller drive supplies three-phase power to a Y-connected three pha...
06/12/2001
6244426Speed-increasing and accumulating conveyor chain
A speed-increasing and accumulating conveyor chain includes a large-diameter mounting roller and small-diameter traveling rollers that are loosely fitted concentrically around a connecting pin through over an oil-impregnated sintered oil bushing concentri...
06/12/2001
6206181Gearless motorized conveyor roller
The drive roller of this invention utilizes a brushless D.C. motor which has a stator or armature mounted on a fixed shaft which directly drives a permanent magnet rotor mounted inside a roller tube. A variable frequency drive supplies three-phase power t...
03/27/2001
5918728Gearless motorized roller with variable frequency controller
A drive roller for a conveyor is rotated by a brushless D.C. motor without any intervening gear reducer. The drove roller has a laminated metal stator with at least three windings external to the stator core. The stator is fixed to a rigid axially extendi...
07/06/1999
5730274Gap optimizer
An apparatus for optimizing the gap between objects on a roller conveyor is provide which enables independent precise speed and acceleration control of individual rollers and articles carried thereon using small, relatively inexpensive motors and control ...
03/24/1998
5558234Product size grading system
A product size grading system comprises a roller bed having a plurality of rotary shafts wherein each shaft supports product sizing roller members. A motorized transmission is coupled to the plurality of rotary shafts and drives the rotary shafts in a uni...
09/24/1996
5497871Tire singulation system
Singulation apparatus (10) for transforming a plurality of randomly oriented tires (T) in an inlet hopper to a linear alignment of tires reposing on their sidewalls including, a singulator assembly (20) having a plurality of stepped conveyor stages (21-24...
03/12/1996
5228558Control system for an accumulating conveyor
An accumulating conveyor includes a plurality of load carrying rollers over which loads are conveyed from an upstream end of the conveyor to a downstream end. The rollers are divided into a plurality of zones. Each zone includes at least one drive roller ...
07/20/1993
5193659Conveyor
A conveyor for arranging articles (9) which comprises a plurality of rollers (5) arranged side-by-side and means for rotating the rollers such that each roller can be rotated at a different rate from rollers adjacent to it. By appropriate selection of the...
03/16/1993
5061380Screening system and method
The invention is a screening device suitable for screening a liquid material having solid matter suspended in it, which comprises a number of sets of discs, the discs of each set being rigidly mounted on a shaft, with the discs on each shaft being separat...
10/29/1991
5012914Diverter assembly for article conveyor
An article conveyor having a frame, a first conveyor with opposite sides for conveying articles in an first path, a wheel mounted to the frame for rotation relative thereto about a first axis and having an article engaging surface which advances articles ...
05/07/1991
4863012Accumulating 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
4844231Roller conveyer system
A roller conveyer system employs a plurality of driven roller assemblies. Each driven roller assembly comprises a roller and a driven pulley, wherein the driven pulley is connected to a driving device, such as a drive motor via a drive belt for transmitti...
07/04/1989
4572353Reversible stow conveyor track
A reversible conveyor wherein transmission of power is effected by a driving source to the conveyor, the conveyor being divided into two sections, wherein intermediate rollers are thrown from a drive position to a neutral position by a unit-load-controlle...
02/25/1986
4481398Multi-directional oscillating breakoff mechanism for separating billets
A conveyor for removing billets from an induction heating furnace and for separating them from following billets to which they may have become adhered employs a roller having a contoured surface. The roller is rotatably mounted about an axis skewed relati...
11/06/1984
4354788Automatic system for the formation and distribution of layers of groups of sheets
A machine for the distribution of sheets comprises first and second conveyors, the first conveyor receiving groups of sheets and being drivable in directions toward or away from the second conveyor and the second conveyor being drivable in a direction awa...
10/19/1982
4284186Unscrambling conveyor
A conveyor for sorting and arranging in single file randomly received articles is disclosed. The unscrambling device has an acticle conveying surface consisting of skewed rollers divided into a number of zones arranged in tandem along the conveyor. The ro...
08/18/1981
4274780Apparatus for stacking layers of objects
Objects to be stacked on a pallet or packaged without using a pallet, are transported by a conveyor to an inlet roll track where the objects are assembled into rows, from the inlet roll track a row of the objects is transferred to an intermediate support ...
06/23/1981
4219114Conveyor stop structure
A conveyor stop structure arrests the forward motion of a selected article carried by a belt driven live roller conveyor and simultaneously disengages an associated roller from powered engagement with the belt. The stop structure includes a stop connected...
08/26/1980
4111412Conveyor for separating and aligning glass sheets
A conveyor for separating and aligning glass sheets moving along a sheet movement path includes a plurality of cylindrical rolls skewed relative to the movement path to displace the advancing sheets toward a side of the conveyor. At the side of the convey...
09/05/1978
4006815Article transporting conveyor
An article transporting conveyor having live rollers driven through power transmission rollers having a slip or non-slip connection with the live rollers in which the presence of the weight of articles to be conveyed increases the drive between the transm...
02/08/1977
3992182Conveying sheets at non-uniform speed
A system for conveying a series of glass sheets at a non-uniform speed through sheet treatment apparatus comprising a plurality of treatment stations. Longitudinally spaced conveyor rolls are rotated at a first speed at a first sheet treatment station whe...
11/16/1976
3980170Drive system for an annealing lehr
A drive system is disclosed which is particularly suitable for use in the glass industry. The drive system is for a plurality of conveying mechanisms to support and to move a load which may be discrete glass objects or a strip or sheet of glass. An electr...
09/14/1976
 
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