hopper

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Related to Hoppers: Job Hoppers

hopper

1. a funnel-shaped chamber or reservoir from which solid materials can be discharged under gravity into a receptacle below, esp for feeding fuel to a furnace, loading a railway truck with grain, etc.
2. any of various long-legged hopping insects, esp the grasshopper, leaf hopper, and immature locust
3. an open-topped railway truck for bulk transport of loose minerals, etc., unloaded through doors on the underside
4. Computing a device formerly used for holding punched cards and feeding them to a card punch or card reader

hopper

[′häp·ər]
(engineering)
A funnel-shaped receptacle with an opening at the top for loading and a discharge opening at the bottom for bulk-delivering material such as grain or coal.

hopper

1. A funnel-shaped bin or chute; used to store loose construction materials, such as crushed stone or sand.
2. One of two barriers on both sides of a hopper light to prevent airflow through the side openings at the ends of the inward-sloping pivoted sash (ventilator, 2).
3. A water tank which releases its contents through a pipe at the bottom; esp. used with a water closet.
4. A water-closet bowl, esp. one that is funnel-shaped.

hopper

A tray, or chute, that accepts input to a mechanical device, such as a disk duplicator or printer. In the days of punch cards, millions of cards were numerically or alphabetically organized by placing them into the hopper of a card sorter, taking them out of all the stackers and putting them back into the hopper for the next card column.


Sorter Hopper
In the 1940s and 1950s, millions of punch cards were placed into hoppers on IBM sorters such as this one. The hoppers were also fitted with two-foot extensions that held more cards. (Image courtesy of The Computer History Museum, www.computerhistory.org)








Paper Hoppers
This Dataproducts laser printer holds 250 sheets of paper in the top hopper and 2,000 in the bottom. (Image courtesy of Hitachi Koki Imaging Solutions, Inc.)
References in classic literature ?
There's a fence between the Hopper Country and the Horner Country, and a gate in the fence; but you can't pass through just now, because we are at war with the Horners.
You don't need them," argued the Hopper, obstinately.
Delivery of the 900 SS Hoppers will meet the needs of ACT's OEM customers who are already designing the new links into their products for sale this calendar year.
In addition to lab testing, process design, turnkey installation and startup other bulk material-handling equipment/components include airlock valves, self-contained bag dump stations, filters, diverter valves, blower packages, blenders, hoppers and control panels.
NORFOLK SOUTHERN CORPORATION TO CONVERT COAL HOPPERS TO COAL GONDOLAS
Line of resin dryers matched to hoppers that uniformly expose resin to drying air includes TD series desiccant dryers in 17 models with airflows from 6 to 2000 cfm.
Other news in self-contained motor loaders includes Matsui's new "mini central" Jet Loader that can fill six hoppers and costs less than past models that served only four hoppers.
SD Series small drying hoppers are available in machine of floor mount configurations.
NORFORK SOUTHERN CORPORATION TO CONVERT COAL HOPPERS TO COAL GONDOLAS
The DTC515 and 525 include dual, 100-card input hoppers for added versatility and efficiency.
In addition to the string hoppers, there is rice in several forms (plain, yellow, vegetable fried, mixed fried) that brings even more starch to the table, yet makes sense if you wish to make your meal quite substantial.
The innovative dual hoppers allow users to load up to 200 cards of the same type into both hoppers, or place stacks of different cards into each hopper for added versatility and efficiency.