Matarasị igwe igwe

Matarasị igwe igwe, nke a makwaara dị ka matarasị Mmiri, bụ igwe igwe Mmiri eji eme ihe na matarasị. A na-eji coils eme ihe na isi (nkwado nkwado) nke matarasi ime mmiri, nke bụ ojiji mbụ ha. N'afọ ndị na-adịbeghị anya, a na-eji obere "micro-coils" eme ihe na upholstery (nkwado nkasi obi) nke matarasị, karịsịa na isi coil ("coil-on-coil" owuwu), mana mgbe ụfọdụ na ụdị isi ndị ọzọ.

E webatara coils Matarasi n'etiti-ọgwụgwụ narị afọ nke 19, ma nọgide na-ewu ewu na narị afọ nke 21, okachasi ndị mere n'oge na United States.

 Ụdị 
E nwèrè ihe doséré ka onye isi oche nkeji nke ụmụaka hụrụ n'anya ụdị matarasị anọ. Isi ihe achọrọ bụ "mgbasa ozi", nke pụtara mgbanwe na nkwụsi ike ka a na-agbanye spring - na mbụ dị nro, iji kwekọọ n'ahụ, mgbe ahụ siri ike, iji nye nkwado. N'usoro na-arịwanye elu nke nzaghachi na ọnụahịa, ụdị ndị a bụ:

 Igwe igwe na-aga n'ihu (aha Leggett & Platt bụ "Mira-coil") bụ nhazi nke a na-emepụta ahịrị nke coils site na otu eriri. Ha na-arụ ọrụ n'ụzọ yiri nke offset coils.
 Bonnell coils bụ ndị kasị ochie na ndị a na-ahụkarị. Nke mbụ sitere na isi oche nke narị afọ nke iri na itoolu, ha ka jupụtara na mattresses dị n'etiti ọnụahịa. Bonnell springs bụ eriri waya ígwè a na-akpọ knotted, nke dị gburugburu, nke yiri hourglass. Mgbe ejikọtara ya na eriri waya, coils ndị a na-emepụta ihe kachasị mfe, nke a na-akpọkwa Bonnell unit. Coils ígwè na-eme ka ihe owuwu mattress dị n'ime mmiri na-emeghachi omume, mana ha anaghị enye nnukwu nrụgide dị ka ụfụfụ ncheta.
 Offset coils bụ ụdị coil nke Ugogbe anya elekere nke akụkụ nke elu na ala convolutions dị larịị. N'ịchịkọta ihe dị n'ime, a na-ejikọta akụkụ ndị a dị larịị nke waya na waya helix. A na-emepụta mmetụta hinging nke unit ahụ iji kwekọọ na ọdịdị ahụ. LFK (Left Facing Knot) coils bụ coil nke nwere ọdịdị cylindrical ma ọ bụ ogidi.
 Marshall coils, nke a makwaara dị ka coils a na-ekpuchi ma ọ bụ nke a na-etinye n'akpa uwe ma ọ bụ pocket springs, bụ coils dị nro, nke dị ka barel, nke na-enweghị eriri na-ekpu n'otu n'otu - ọ na-abụkarị ákwà sitere na mmadụ, nke na'enweghị ákwà. Ụfọdụ ndị na-emepụta ihe na-ebu ụzọ kpochapụ coils ndị a, nke na-eme ka matarasị sie ike ma na-enye ohere maka nkewa nkewa n'etiti akụkụ nke àkwà.  Dị ka isi iyi ndị ahụ anaghị ejikọta ọnụ, ha na-arụ ọrụ n'otu n'otu: ịdị arọ n'otu isi iyi anaghị emetụta ndị agbata obi ya. Nke a na-enye ha ohere imeghachi omume na nrụgide n'onwe ha kama ha niile, nke na-ebelata mmegharị ma na-enye ohere maka mmetụta dị elu.

 Akụkọ ihe mere eme 
Ọ bụ ezie na e mepụtara coil springs na narị afọ nke iri na ise, ejighị ha mee ihe na matarasị ruo n'etiti narị afọ nke 19, na-esote ojiji nke upholstery coil sprins na oche na ụgbọ ala.

E webatara microcoils na  narị afọ nke 21, ma site na 2014 [update] bụ obere akụkụ nke ahịa.

Ọ bụ Louis Andrew Vargha nyere ikike ikike ikike nke ihe ndina ahụ. Ụfọdụ nzaghachi nke oge a na coils n'ime matarasị a na-awụfu naJacobson, Bert H., et al. "Effect of prescribed sleep surfaces on back pain and sleep quality in patients diagnosed with low back and shoulder pain." Applied ergonomics 42.1 (2010): 91-97.Rizzo, Terrie Heinrich. "Sleep matters: learn smart strategies to make sure your body gets the zzzzzs it needs." IDEA Fitness Journal 4.5 (2007): 102-104.

 Ndị na-emepụta ya 
Ahịa mattress coil na-elekwasị anya - ndị na-ebute ụzọ bụ Leggett & Platt (nke e guzobere na 1883) nke Carthage, Missouri na AGRO International (nke e hiwere na 1948) nke Bad Essen, Germany. Ndị ọzọ gụnyere HSM (ụlọ ọrụ) (nke a na-akpọ Hickory Springs, nke e guzobere na 1944) nke Hickoray, North Carolina; Spinks (nke e guzobere n'afọ 1840) nke Leeds, United Kingdom na Subiñas (nke e hiwere na 1959) nke Mungia, mpaghara Biscay, Spain.

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Òtù:Mmiri (mekaniki)
Òtù:Matarasị