Pickup

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pickup

[′pik‚əp]
(aerospace engineering)
A potentiometer used in an automatic pilot to detect the motion of the airplane around the gyro and initiate corrective adjustments.
(electricity)
A device that converts a sound, scene, measurable quantity, or other form of intelligence into corresponding electric signals, as in a microphone, phonograph pickup, or television camera.
The minimum current, voltage, power, or other value at which a relay will complete its intended function.
Interference from a nearby circuit or system.
(metallurgy)
Transfer of metal from the work to the tool, or from the tool to the work, during a forming operation.
(nuclear physics)
A type of nuclear reaction in which the incident particle takes a nucleon from the target nucleus and proceeds with this nucleon bound to itself.

Pickup

 

a modification of a passenger-car chassis with an open body for carrying passengers and loads. Load-carrying capacity is usually 200-500 kg. For transporting passengers, a pickup may be equipped with a removable canvas top and folding benches along the sides.


Pickup

 

the working part of an agricultural machine for picking up mowed agricultural crops, grass, and hay from windrows; it may also be used to pick up fallen cotton. Some pickups are separate attachments that are mounted on various machines, most often on grain combines. Others are working parts built into a machine, such as a pickup-stacker, pickup-ricker, or cotton-picking machine. A pickup that is mounted on a grain combine is driven by the combine’s engine. A pickup built into a machine pulled by a tractor is driven by the tractor’s power takeoff shaft. A distinction is made between drum, belt-conveyor, and brush-conveyor pickups.

A drum pickup has retractable spring pins and is covered by a cylindrical housing of plates between which spaces have been left for the turning of the pins. The pins emerge from the lower part of the housing, picking up the stems from the windrows and throwing them onto the housing. They gradually retract, enabling the stems to move toward the conveyor. This type of pickup may be in the form of an attachment (on a grain combine) or may be built into the machine (pickup-stacker, pickup-ricker).

The belt-conveyor pickup is manufactured as an attachment for a grain combine. The pickup mechanism consists of two conveyors made of rubberized canvas with cross belts and pick-ing-up spring pins. During the movement of the canvas, the pins lift the stems from the windrows and throw them on the auger conveyor of the combine’s reaper. Similar pickups, differing somewhat in design, are used abroad.

The cotton picking machine is equipped with a brush-conveyor picker. As the cotton is picked up from the ground, the machine removes the impurities from it. For thorough picking, the picker has shields that deflect the cotton plants to the side. The brushes rake the cotton out from under the shrubs and sweep it into the space between the rows, under the conveyors of the pickup. The conveyor belts place the cotton onto the drum, from the surface of which the dirt and other large impurities are dropped onto the field. In this manner, the cotton undergoes preliminary cleaning. The belts of the concentrator located over the hopper deliver the cleaned cotton to a conveyor that drops it into the hopper.

pickup

The unwanted adherence of solids in contact with the open surface of a sealant.
References in periodicals archive ?
From the looks of things, Hyundai's first pickup truck could be akin to Honda's Ridgeline.
The resilience of pickup trucks is evidenced by the fact that the Ford F-150 and Chevrolet Silverado were among the top 10 models sold in the Cash for Clunkers program during the summer of 2009.
Presently, VW is weighing if it should sell its smaller van models in the United States and a pickup truck could factor into that decision.
Moreover, June is not normally a strong month seasonally for pickup truck sales as the majority of contractors wait until the second half of the year, closer to tax season, to buy new trucks.
When the pickup truck reached Cottage Grove, police there placed spike strips in front of it and punctured one of its tires.
In speaking to her, she told police the pickup truck nearly hit her car and caused Mr.
Space vacated by relocation of the truck final assembly line from IMCT Samrong Plant to Gateway Plant, which is now engaged in knockdown export operations, has been utilized to increase the pickup truck production capacity.
The second commercial plastic cargo box will appear this fall on a GM Chevrolet Silverado 1500 series full-size pickup truck.
Three Compact Pickup Trucks With Extended Cabs, Two 9,200 Lb GVWR Trucks With Accm8g Animal Control Unit Bodies, Three 15 Passenger Vans, Three 9,200 Lb GVWR 4 Wheel Drive Pickup Trucks, One 9,200 Lb GVWR Crew Cab Pickup Truck With Service Body, Two 6,000 Lb GVWR Pickup Trucks, Two 6,000 Lb GVWR Four Wheel Drive Pickup Trucks; Additional Vehicles Could Be Purchased At The Same Pricing With The Agreement Of The County And The Successful Bidder.