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Shopping cart

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This article is about physical shopping carts. For digital shopping carts, see shopping cart software.
"Trundler" redirects here. Not to be confused with Hand truck.
A row of parked shopping carts equipped with coin-operated locking mechanisms
Shopping cart bay in a UK supermarket parking lot

A trolley (also called a buggy or "shopping cart" in some parts of the United States and Canada), is a cart supplied by a shop, especially supermarkets, for use by customers inside the shop for transport of merchandise to the checkout counter during shopping. Customers can then also use the cart to transport their purchased goods to their cars.

In many places in the United States, customers are allowed to leave the carts in designated areas within the parking lot, and store personnel will return the carts to the storage area. In many continental European premises, however, coin- (or token-) operated locking mechanisms are provided to encourage shoppers to return the carts to the correct location after use.

Studies have shown that it's advisable for shoppers to sanitize the handles and basket areas prior to handling them or filling them with groceries due to high levels of bacteria that typically live on shopping carts.[1]

Design

A common child-friendly shopping cart design

Most modern shopping carts are made of metal or a combination of metal and plastic and have been designed to nest within each other in a line to facilitate collecting and moving many at one time and also to save on storage space. The carts can come in many sizes, with larger ones able to carry a child. There are also specialized carts designed for two children, and electric mobility scooters with baskets designed for disabled customers.

In the United States, 24,000 children are injured each year in shopping carts.[2] Some stores both in the USA and internationally have child carrying carts that look like a car or van with a seat where a child can sit equipped with a steering wheel and sometimes a horn. Such "Car-Carts" or "Beans"[citation needed], as some call them in the cart business, may offer protection and convenience by keeping the child restrained, lower to the ground, protected from falling items, and amused.

Shopping carts are usually fitted with four wheels, however if any one wheel jams the cart can become difficult to handle. Most carts in the United States have swivel wheels at the front, while the rear wheels are fixed in orientation, while in Europe it is more common to have four swivel wheels.

An alternative to the shopping cart is a small hand-held shopping basket. A customer may prefer a basket for a small amount of merchandise. Small shops, where carts would be impractical, often supply only baskets, or may offer a small cart which uses an inserted shopping basket within the frame of the cart to provide either choice to a customer

History

Development of first shopping cart by Sylvan Goldman

One of the first shopping carts was introduced on June 4, 1937, the invention of Sylvan Goldman, owner of the Humpty Dumpty supermarket chain in Oklahoma. One night, in 1936, Goldman sat in his office wondering how customers might move more groceries.[3] He found a wooden folding chair and put a basket on the seat and wheels on the legs. Goldman and one of his employees, a mechanic named Fred Young, began tinkering. Their first shopping cart was a metal frame that held two wire baskets. Since they were inspired by the folding chair, Goldman called his carts "folding basket carriers". Another mechanic, Arthur Kosted, developed a method to mass-produce the carts by inventing an assembly line capable of forming and welding the wire. The cart was awarded patent number 2,196,914 on April 9, 1940 (Filing date: March 14, 1938), titled, "Folding Basket Carriage for Self-Service Stores". They advertised the invention as part of a new “No Basket Carrying Plan."

The invention did not catch on immediately. Men found them effeminate; women found them suggestive of a baby carriage. "I've pushed my last baby," an offended woman informed Goldman. After hiring several male and female models to push his new invention around his store and demonstrate their utility, as well as greeters to explain their use, shopping carts became extremely popular and Goldman became a multimillionaire. In urban areas like New York City, where transporting groceries home from the store's parking lot is more likely to involve walking and/or a trip by public transportation than a car ride, privately owned carts resembling Goldman's design are still popular. Instead of baskets, these carts are built to hold the paper bags dispensed by the grocery store.

Another shopping cart innovator was Orla Watson,[4] who invented the swinging rear door to allow for "nesting" in 1946.[5][6][7]

Goldman continued to make modifications to his original design, but advice from his trusted business partners Fred Taylor, a grocery store owner,[8] and George O'Donnell, a grocery store refrigeration salesman, and the incorporation of Watson's swinging door yielded the familiar nesting cart that we see today (albeit the original telescope cart had two baskets rather than one).[9] Goldman patented a similar version of the cart which he called the "Nest-Kart" in 1948, over one year after Watson filed for his patent.[8] The Nest-Kart incorporated the same nesting mechanism present on the shopping carts designed by Watson, and an interference investigation was ordered by Telescope Carts, Inc. alleging infringement of the patent in 1948.[8] After a protracted legal battle, Goldman ultimately recognized Watson’s invention and paid one dollar in damages for counterfeit, in exchange for which Watson granted Goldman an exclusive operating license (apart from the three licenses that had already been granted).[8]

In 1909, Bessie DeCamp invented a seat belt for chairs, go-carts or carriages.[10] This was well before shopping carts with child seating areas were invented. Inventor, Sylvan Goldman introduced a child seating area on shopping carts in 1947.[11][12] For whatever reason, it wasn't until 1967 before seat belts for shopping carts were introduced by David Allen. It was high tech for the time, because it was a retractable seat belt.[13]

Bessie DeCamp was the first to recognize the importance of child restraint systems and seat belts. She could be considered the mother of seat belts and child restraints. David Allen saw the need for child safety, when seated in a shopping cart, and deserves recognition for inventing the shopping cart seat belt.

Development of nesting carts by Orla Watson

Original patent documents showing design of the nesting feature of the Telescope Cart. The rear of the cart swings forward when a cart is shoved into it, hence the nesting feature.
Nested carts being returned from a parking lot to a Target store by a robot

In 1946, Orla Watson devised a system for a telescoping (i.e., "nesting") shopping cart which did not require assembly or disassembly of its parts before and after use like Goldman's cart; Goldman's design up until this point required that the cart be unfolded much like a folding chair.[8] This cart could be fitted into another cart for compact storage via a swinging one-way rear door. The swinging rear door formed the basis of the patent claim, and was a major innovation in the evolution of the modern shopping cart. Watson applied for a patent on his shopping cart invention in 1946, but Goldman contested it and filed an application for a similar patent with the swinging door feature on a shopping cart with only one basket in 1948 which Goldman named the "Nest-Kart". After considerable litigation and allegations of patent infringement, Goldman relinquished his rights to the patent in 1949 to Watson and his company, Telescope Carts, Inc. realizing that the swinging rear door feature was the key to Watson's patent. Watson was awarded patent #2,479,530 on August 16, 1949.[14] In exchange, Goldman was granted an exclusive licensing right in addition to the three other licenses previously granted; Telescope Carts, Inc. continued to receive royalties for each cart produced by Goldman's company that incorporated the "nesting" design. This included any shopping cart utilizing his hinged rear door, including the familiar single basket "nesting" designs similar to those used in the present.[15]

Owing to its overwhelming success, many different manufacturers desired to produce shopping carts with the rear swinging door feature but were denied due to the exclusive license issued to Goldman. The federal government filed a lawsuit against Telescope Carts, Inc. in 1950 alleging the exclusive license granted to Goldman was invalid, and a Consent Decree was entered into where Telescope Carts, Inc. agreed to offer the same license to any manufacturer. Orla Watson and Telescope Carts, Inc. licensed their telescoping shopping cart design to several manufacturers throughout the 1950s and 1960s until the patent expired.

New developments

In 2012, a driverless shopping cart was made by Chaotic Moon Labs.[16] The device, called "Project Sk8" or "Smarter Cart" was basically a cart fitted with Windows Kinect (to detect obstacles), and an electric drivetrain, and used in conjunction with a Windows 8 tablet.

Retail store acceptance

Past studies determined that retailers who did not offer shopping carts such as Sears suffered slower sales in comparison with retailers who did use shopping carts.[17] Subsequent to the introduction of shopping carts and centralised checkout lines at Sears shops, the company noticed an increase in sales.[18]

In 2004 the British supermarket chain Tesco trialled shopping carts with built in resistance (adjustable from 1 to 10), pulse monitoring and calorie counting hardware in an effort to raise awareness of health issues. This introduction of the carts coincided with Tesco's sponsorship of the cancer awareness Race for Life.[19][20]

Recently researchers developed prototypes of computerized context aware shopping carts by attaching a Tablet computer to an ordinary cart[21] Initial field trials showed that the prototype and its context-awareness provide an opportunity for enhancing and affecting the shopping experience.

While the basic design of shopping carts has changed very little since their creation in the 1940s, Target's new cart, made of recycled plastic, is an evolutionary step forward. The cart has won design awards for its improved casters, interchangeable plastic parts to simplify repairs and handles that allow a user to more easily maneuver it around the retail area.[22]

In 2004 shopping carts were identified as a source of germs and became a major public health concern. This was primarily because of the media spotlight on a Japanese research study[23] indicating a large amount of bacteria was found on shopping carts.[24] This was confirmed in 2007 when the University of Arizona released a study called, "Research Report on Shopping Cart Bacterial Contamination - Dr. Charles P. Gerba".[25] Now sanitary wipes, for cleaning hands and shopping carts, are seen near the entrances of most retailers.

Deposits

Shopping carts locked with a chain
Mechanism of a typical shopping cart lock

In many countries, the customer has to pay a small deposit by inserting a coin, token or card, which is returned if and when the customer returns the cart to a designated cart parking point. One motivation behind the deposit system is to reduce the expense of employees having to gather carts that are not returned, and to avoid damage done by runaway carts.

Although almost ubiquitous in continental Europe, the deposit system is less common in the United Kingdom and Canada and has not been widely adopted in the United States, with the exception of some chains like Aldi, which require a $0.25 deposit. Other stores such as Costco and ShopRite also use the coin deposit system, but it is not used at all of their locations.

In Australia, deposit systems are common in some local government areas as they have been made compulsory by local law.[citation needed] Usually, all ALDI stores, and most Coles[citation needed] and Safeway[citation needed] stores will have a lock mechanism on their carts which requires a $1 or $2 coin to unlock.

The deposit varies, but usually coins of higher value, such as €1, £1, or $1 are used. While the deposit systems usually are designed to accommodate a certain size of domestic coin, foreign coins, former currencies (like DM coins), or even appropriately folded pieces of cardboard can be used to unlock the carts as well. Cart collectors are also usually provided with a special key which they can use to unlock the carts from the cart bay and get the key back.

Some retailers sell "tokens" as an alternative to coins, often for charity. Merchandising companies also offer branded shopping tokens as a product.

In some airports a system similar to the shopping cart deposit is also used with luggage carts as a profit making opportunity. Companies like Smarte Carte charge two or more dollars (U.S.) (or equivalent) for rental, and return a small token reward of a quarter (25 ¢) for returning carts to the other end of any dispenser machine.

Theft prevention

Shopping cart theft can be a costly problem with stores that use them. The carts, which typically cost between $75 and $150 each with some models being $300–400, are removed by people for various purposes. To prevent costly theft, estimated at $800 million worldwide per annum, stores use various systems, discussed below.[26]

Cart retrieval service

Most retailers in North America [citation needed] utilize a cart retrieval service, which collects carts found off the store's premises and returns them to the store for a fee. The primary strength of this system is the ability of pedestrian customers to take purchases home and allow retailers to recapture abandoned carts in a timely manner at a fraction of the cost of a replacement cart. It also allows retailers to maintain their cart inventories without an expensive capital outlay.[27] A drawback of this method is that it is reactive instead of proactively preventing the carts from leaving a parking lot.[26]

Electronic and magnetic

Electronic systems are sometimes used by retailers. Each shopping cart is fitted with an electronic locking wheel, or 'boot'. US Patent No. 5598144A. A transmitter with a thin wire is placed around the perimeter of the parking lot, and the boot locks when the cart leaves the designated area. Store personnel must then deactivate the lock with a handheld remote to return the cart to stock. Often a line is painted in front of the broadcast range to warn customers that their cart will stop when rolled past the line. However, these systems are very expensive to install and although helpful are not foolproof. The wheels can be lifted over the electronic barrier and/or pushed hard enough that the locks break.[26][28] Some cities have required retailers to install locking wheel systems on their shopping carts. In some cases, electronic systems companies have encouraged passage of such laws to create a captive audience of potential customers.[29]

Some shopping carts have magnetic locking wheels. The supermarket floor has a magnetic strip around a designated perimeter line, if the shopping cart passes over this line the wheels lock and the shopping cart is rendered immovable.

Physical

A low-tech form of theft prevention utilizes a physical impediment, such as vertical posts at the store entrance to keep carts from being taken into the parking lot. This method also impedes physically disabled customers, which may be illegal in many jurisdictions. For example, in the United States of America, it is a violation of the Americans with Disabilities Act.[28]

Another method is to mount a pole taller than the entrance, onto the shopping cart, so that the pole will block exit of the cart. However, this method requires that the store aisles be higher than the pole, including lights, piping, any overhead signage and fixtures. It also prevents customers from carting their purchases to their cars in the store's carts. Many customers learn to bring their own folding or otherwise collapsible cart with them, which they can usually hang on the store's cart while shopping.

A further system is to use a cattle grid style system. All pedestrian exits have specially designed flooring tiles which, along with specially designed wheels on the cart, will immobilize the cart as they roll onto them. Like the magnetic systems, this can easily be overcome by lifting the cart over the tiles.

Name

Carriage return at a Saugus, Massachusetts Stop & Shop.
Privately owned shopping carts are used for various purposes besides shopping.

The names of a shopping cart vary by region. The following names are region specific names for shopping carts. Many of these names may be used alone or in descriptive phrases such as grocery ____, shopping ____, or supermarket _____ :[30]

For people with a disability

Main article: Motorized shopping cart

Special electronic shopping carts are provided by many retailers for the elderly or people with a disability. These are essentially electric wheelchairs with an attached basket. They allow customers to navigate around the store and collect items.

Manually powered carts are also available specifically designed for use by wheelchair users.[31][32] A still to be implemented aid for people with disabilities is the addition of a guide wheel at the center of rotation of a cart with four caster wheels. In order to allow the nesting of carts to be unhindered this guide wheel is attached to the front of the cart with a piece of spring steel which bends under the cart's weight.[33]

See also

References

  1. ^ http://usatoday30.usatoday.com/yourlife/health/2011-03-02-grocerycarts_N.htm
  2. ^ Gary A. Smith, MD, DrPH (2006). "Shopping Cart–Related Injuries to Children". Pediatrics. American Academy of Pediatrics. Retrieved 20 June 2012.{{cite web}}: CS1 maint: multiple names: authors list (link)
  3. ^ "Sylvan Goldman". The Great Idea Finder. The Great Idea Finder. 24 April 2007. Retrieved 20 June 2012.
  4. ^ Orla Watson Invented the Grocery Cart with a Basket. November 16, 2003. American Profile.
  5. ^ Terry P. Wilson, The Cart that Changed the World: The Career of Sylvan N. Goldman (University of Oklahoma Press, 1978). ISBN 978-0-8061-1496-5
  6. ^ Catherine Grandclément, "Wheeling One's Groceries Around the Store: The Invention of the Shopping Cart, 1936-1953", in Warren Belasco and Roger Horowitz (eds.), Food Chains: From Farmyard to Shopping Cart (University of Pennsylvania Press, 2008), pp. 233-251. ISBN 978-0-8122-4128-0
  7. ^ Ted Morgan, On Becoming American: A Celebration of What it Means and How it Feels (Boston: Houghton Mifflin, 1978, pp. 45-6). ISBN 978-0-395-26283-2
  8. ^ a b c d e Catherine Grandclément (2006). Wheeling food products around the store… and away: the invention of the shopping cart, 1936-1953 . CSI Working Papers Series.
  9. ^ Smithsonian Snapshot: Telescoping Shopping Cart, c. 1949. Newswise.com.
  10. ^ Child's-chair safety device - Bessie DeCamp - patent #944,020
  11. ^ http://www.unarco.com/carthistory.html
  12. ^ http://www.ideafinder.com/history/inventors/goldman.htm
  13. ^ Safety retaining belt for shopping carts – David L. Allen – patent #3,550,136
  14. ^ "ArchPatent". ArchPatent. Retrieved 2013-04-07.
  15. ^ Jeanne Sklar. "Technology, Invention, and Innovation collections". Amhistory.si.edu. Retrieved 2013-04-07.
  16. ^ Robotic shopping cart
  17. ^ Assortment (referencing a study by Britt Beamer of America's Research Group) Influence Of The Shopping Cart, Retrieved on 2011-05-23.
  18. ^ Dr. Steve Vitucci, Texas A&M University – Central Texas Sears update case notes, Retrieved on 2011-05-23.
  19. ^ "Trolley offers supermarket workout". BBC News. BBC. 28 April 2004. Retrieved 20 June 2012.
  20. ^ Elana Bowman. "Trim Trolley Takes Off The Weight While You Grocery Shop". Inventor Spot. Aha Cafe LLC. Retrieved 20 June 2012.
  21. ^ Black, D., Clemmensen, N. J., and Skov, M. B. (2009) Shopping in the Real World: Interacting with a Context-Aware Shopping Trolley, Proc. of Mobile Interaction with the Real World.
  22. ^ Cook, Kim (7 September 2011). "Shopping cart advances just keep rolling along". MSNBC. Retrieved 8 September 2011.
  23. ^ "Eliminate Germs from Your Life". Menshealth.com. Retrieved 2013-04-07.
  24. ^ African Journal of Microbiology Research Vol. 5(23), pp. 3998-4003, 23 October 2011
  25. ^ Vincent Sobotka (March 14, 2011.) Study: E.coli contamination found on half of shopping carts. Digital Journal.
  26. ^ a b c Wheels of Fortune Metroactive, 06/03/99. Retrieved on 2009-05-05.
  27. ^ Montague, Julian. "The Stray Shopping Cart Project". Web Site. The Stray Shopping Cart Project. Retrieved 8 September 2011.
  28. ^ a b Corralling Carts: Anti-Theft Device Keeps Shopping Baskets In Their Place The Free Library. Retrieved on 2009-05-05.
  29. ^ Elmahrek, Adam (24 February 2011). "Santa Ana Shopping Cart Law Shows Extent of Mayor's Business Dealings". Voice of OC. Retrieved 8 September 2011.
  30. ^ http://www.tekstlab.uio.no/cambridge_survey/maps/69
  31. ^ "Trolley for use with a wheelchair, United States Patent 4555124". FPO. FreePatentsOnline.com. Retrieved 20 June 2012.
  32. ^ "Zinc Plated Clear Coated Wire Basket Shopping Cart/Trolleys with multiple capacities". QHDC Australia. QHDC Australia PTY LTD. Retrieved 29 July 2014.
  33. ^ "Guide wheel assembly for carts, United States Patent 7198279". FPO. FreePatentsOnline.com. Retrieved 20 June 2012.
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