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Document Title |
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8118152 |
Safety arrangement
A safety arrangement for use with a piece of equipment. The safety arrangement includes a signal generating unit for generating an optical signal, an elongate element, and a signal detecting unit....
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7624857 |
Device for monitoring a conveyor
The invention relates to a device for monitoring a conveyor (1), comprising: a conveyor belt (2) made of elastomer material, having a carrying side (3) for the goods to be conveyed, and a running...
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7195115 |
Modular-belt conveyors with variable-speed drive motors
A conveyor system in which a modular belt or chain is driven by a drive element rotated at a predetermined variable angular speed to compensate for speed fluctuations due to chordal action. A speed...
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7140486 |
Device for monitoring abnormality in a chain
A chain monitoring device is provided with a base, guiding posts fixed to the base, a member movable along the guiding posts, a chain sprocket rotatable with a chain with its teeth being engaged...
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6837363 |
Control device for overhead conveyors
A control device for overhead conveyors equipped with at least two actuators (6, 7), specifically crane and crane trolley drive units, with transmission of control signals and transmission of...
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6831566 |
Device for monitoring a conveyor
The invention relates to a device for monitoring a conveyor. The conveyor comprises a conveyor belt in an elastomeric material, with a carrying side for the transported material, a backing side and...
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6814220 |
Retaining device for a conveyor belt assembly
A retaining device (10) for a conveyor belt assembly (12) which includes a clamping means (14) for clamping a conveyor belt (36) of the conveyor belt assembly, and a biasing means (38,40) for...
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6761263 |
Method for controlling the run-up of a conveyor belt and drive device for a conveyor belt
A method for controlling the run-up of a conveyor belt BY increasing a setpoint value of the belt's speed with an increasing acceleration in a first time interval, and with a decreasing...
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6758327 |
Conveyor drive assembly and method of operation
A conveyor drive assembly including an elongated shaft having a first and second end and method of operating the conveyor drive assembly which reliably controls the speed of each end of the drive...
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6508353 |
Conveyor and plant for baling paper pulp
Conveyor systems are disclosed including a chain conveyor for carrying a predetermined load, a frame for the chain conveyor, a track, wheels for supporting the frame for movement along the track...
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6446788 |
Linear conveyor speed sensor
A glass machine system in accordance with presently preferred embodiments of the invention includes a glassware manufacturing machine for manufacturing articles of glassware and transferring the...
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6209711 |
Conveying device for open-cast mines
A conveyor for opencast installations, is described, the conveyor includes at least one conveyor belt driven by at least one drive, or a device resembling a conveyor belt. Overburden or raw...
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6170820 |
Roller biasing for sheet engagement
A sheet transport array for advancing sheets along a track at a desired speed past a process station. A sheet speed measuring device is coupled to the process station. A drive roller assembly...
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5954186 |
Speed monitoring idler roller for conveyors
A conveyor system of a type having a first pulley disposed for rotation about a first axis and a second pulley disposed for rotation about a second axis substantially parallel to the first axis....
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5871081 |
Concentric auger feeder
A material conveying system for accurately conveying a specific predetermined amount of a material. The system includes a large primary auger that is rotated to convey the material until the amount...
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5645156 |
Device for monitoring escalator handrail speed
An improved escalator 10 which incorporates a device 58 which monitors the speed of an escalator handrail 12. The escalator having a handrail and a transmission unit 14. The device cooperates with...
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5490590 |
Chain wear monitor
The present invention provides a chain wear monitoring device for monitoring chain wear in a chain drive conveyor system. The chain wear monitor electronically measures, calculates, records, and...
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5383014 |
Photoreceptor belt motion sensor using linear position sensors
The velocity of a photoreceptor belt is measured by sensing the passing of illuminated slits in the belt, as the belt moves in a process direction. Two linear position sensors are positioned so as...
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5345954 |
Method of controlling and regulating the traveling speed of a continuous cigarette rod on a cigarette manufacturing machine
On a cigarette manufacturing machine, a continuous cigarette rod is fed to a cutting device by a conveyor belt engaging a number of guide pulleys and a drive pulley fitted to a drive shaft; the...
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5337885 |
Alignment monitor and method
A travel monitor for a rectangular sludge conveyor having a plurality of scrapers attached to and driven by a pair of chains, each of which is formed in a closed loop having an upper run. A pair of...
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5248027 |
Method and apparatus for belt steering control
A method for controlling lateral positioning of a longitudinally moving endless belt having at least two targets aligned with tolerances on a longitudinal fixed reference line, in which belt...
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5230418 |
Photo-optic attachment for conveyor rollers
A photo-optic attachment for a conveyor roller comprises an end cap mountable on the conveyor roller and a photo-optic disc mountable on the end cap. The end cap includes an outwardly facing...
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5199548 |
Controls in a goods assorting device
A control system in a goods assorting apparatus whereby the moving state of an assorting carrier by the linear motor driving system is detected by a group of photoelectric switches which are...
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5096044 |
Method and apparatus for monitoring the run of a belt
The run of a belt, such as a conveyor belt or a belt of a weighing scale, is monitored for keeping the belt in a substantially centered position. For this purpose, the belt has a marking element,...
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5092446 |
Handrail monitoring system
A handrail monitoring system for use in a passenger conveyor such as an escalator, moving sidewalk or the like, compares the speed of each handrail against their nominal installed speed and...
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5083656 |
Conveyor anti-runaway apparatus
A conveyor anti-runaway apparatus is provided for a conveyor of the type driven by an electric motor connected to a source of electrical power. The anti-runaway apparatus includes a switch tripping...
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5076568 |
Damping servo-motor control
A system for maintaining a uniform velocity of a belt which is driven on rollers. A first roller is provided with a first encoder which supplies a pulse train to a first control device which...
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5011359 |
Silo rotary unloader monitor
A silo rotary unloader monitor provides an indication of a rotational speed of the rotary collector ring of a material unloading device suspended within the top portion of a vertical silo. A limit...
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4863006 |
Automatic shutoff apparatus for an escalator
A pair of light barriers are mounted on a pair of spaced apart balustrade sockets located on opposite sides of an endless step conveyor-type escalator. The light barriers are positioned at the...
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4442933 |
Centrifugal switch for controlling belt hauling systems
A centrifugal switch assembly protected from moisture and dust mounted adjustably beneath the top run of a conveyor belt adapted to be driven by the top run and secured to cable supports provided...
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RE31338 |
Pump assembly driven by endless conveyor
A pump assembly to be used for mining, and the like, is supported on rope-like members (32, 110, 112, 140, 181, 190) of an endless conveyer. In one type of embodiments a channel-shaped mounting...
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4366897 |
Speed drop detector for high-speed bucket belt conveyor
A multi-application speed drop detector, for a high-speed bucket belt conveyor conveying powdery substances, that can automatically perform such functions as alarming, causing ordinary and...
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4282967 |
Grain elevator controls
Disclosed is an electronic sensor and control for monitoring the rate of transport of grain elevator buckets, the electronic control including a metal detector probe for sensing the passage of the...
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4264905 |
Drive belt movement detecting system
A belt movement sensor detects the movement of a belt having signal generating means embedded in or emplaced on the surface of a drive belt, and actuates a warning signal and/or controls the drive...
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4259918 |
Self-cleaning traction wheel motion sensor
A traction wheel motion sensor for endless conveyors which is self-cleaning of foreign matter that may enter the traction wheel housing and is spring biased toward the associated conveyor. A...
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4258840 |
Mounting for centrifugal switch and conveyor belt powered accessories
A framework comprising a pair of parallel angle sections is hung from the cable of a suspended conveyor system or fixedly mounted to a frame member of a conveyor system. An operative structure...
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4240538 |
Method and apparatus for accumulating and gating articles
Method and apparatus for the controlled accumulating and feeding of piles of magazines from an input conveyor to a trimmer infeed conveyor. A flow director receives magazine piles and directs them...
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4236627 |
Cutting machine
A cutting machine includes an endless conveyor and a loading ramp having movable loading arms which continuously shift the cut material in an upward direction of the loading ramp to conveyor. The...
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4168611 |
Acceleration and/or deceleration control system for mechanical power drives
A system for controlling the acceleration and/or deceleration of a mechanical power drive having a rotatable power output element and a rotatable reaction element with a hydraulic or pneumatic...
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4119055 |
Traction wheel motion sensor
The invention pertains to apparatus for sensing the motion of endless conveyors. A housing, on which a traction wheel having a high friction periphery is rotatably mounted, is located adjacent the...
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3989989 |
Conveyor overspeed-underspeed and/or slip detector
A control system is provided for stopping the operation of a bulk material conveyor system in response to an indication that the speed of either drive or driven elements thereof are above or below...
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3907275 |
Speed control apparatus
At the delivery end of a sheeter, the cut sheets are taken from a conveyor and propelled by final rolls onto a stack. The final rolls must rotate at or above a minimum speed, while the conveyor can...
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3845375 |
ELECTRONIC ROTATIONAL SENSOR
A circuit for sensing the rotational rate of electric motor driving apparatus, such as a conveyor or material handler, wherein the motor driving the apparatus is deenergized upon the apparatus rate...
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3809212 |
CONTROL FOR RECIPROCATING GRATE CONVEYOR
A control for a reciprocating grate conveyor wherein the conveyor includes support structure which supports alternate rows of fixed and movable grates with a motor and transmission arrangement for...
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3780297 |
CONVEYOR SPEED MONITOR
Light chopping means are coupled to a conveyor belt such that as the speed of the conveyor belt varies, a light path between a source of light and a photo-resistance cell is interrupted at a...
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3743913 |
MECHANISM FOR ELECTRICALLY TRANSMITTING THE SPEED OF TRAVEL OF A CONVEYOR BELT
The speed of travel of a conveyor belt is electrically transmitted to a weighing system by a unitary mechanism mounted relative to the conveyor belt and including a friction wheel contacting the...
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3231695 |
Speed responsive safety control
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2792106 |
Safety device for elevators and similar transporting means
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