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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

pickup

The unwanted adherence of solids in contact with the open surface of a sealant.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Last month 70 pickup owners signed a petition demanding the same treatment as regular taxis, with the issue expected to be discussed by MPs after parliament's new term starts in October.
Buyers of mid-size pickups will find getting the biggest V-6 available will be the best choice.
Both the general formulation for the vehicle routing problem VRPs and the case of the vehicle routing problem with deliveries and pickups, are still regarded as a combinatorial optimization problem and most versions are considered NP-problem
Pickups generally can be characterized by a resonant frequency and Q value.
More details on Eugene's program and a map feature for estimated pickup times in different neighborhoods can be found at: www.eugene-or.gov/leaf
A medium-duty truck will have literally twice the life span of your pickup truck, making it very economical.
It's true that the market for pickup trucks has been affected directly by the economic downturn.
Shrinkage of items, like laptops, is prevalent in the industry because of the lack of uniform packaging and serial number capture at the time of pickup.
Isuzu President Yoshinori Ida told a news conference, ''Given that local dealers have favorably responded to the new pickup truck, it is likely that local customers will like it.''
Willcox then founded a company that focused exclusively on the pickups and pickup systems, and selling them to instrument OEMs.
Driver death rates in 1994-97 model cars, passenger vans, pickup trucks and utility vehicles during a four-year period support the theory that motorists in some models are two to three times more likely to die in a crash than those in other models, according to the Insurance Institute for Highway Safety.
When the still-to-be-released Tesla Pickup was pitted against the powerhouse Ford's electric F-150 in a Twitter survey conducted a few months back, it revealed that Elon Musk's new electric utility vehicle will be the benchmark of future electric pickups.