rectangular+set

* * *

волна́ вычита́ется — the wave interferes destructively

подня́ть волну́ ( о ветре) мор. — raise a choppy sea (of wind)

рабо́тать на (коро́ткой) волне́ — operate at [on] (short) wavelength

волна́ распространя́ется в результа́те многокра́тного отраже́ния — the wave travels by multiple reflection

волна́ распространя́ется по прямолине́йным траекто́риям радио — the wave is propagated in straight lines

волна́ скла́дывается — the wave interferes constructively

альфе́новские во́лны — Alfen waves

атмосфе́рные во́лны — atmospheric waves

бегу́щая волна́ — travelling wave

блужда́ющие во́лны — stray waves

бортова́я волна́ мор. — athwart [beam] sea

во́лны вероя́тности — waves of probability, probability waves

вертика́льно поляризо́ванная волна́ — vertically polarized wave

взрывна́я волна́ — blast wave

возвра́тная волна́ — back(ward) wave

возду́шная волна́ — air wave

волна́ возмуще́ний аргд. — Mach wave

волна́ в свобо́дном простра́нстве — free-space wave

встре́чная волна́ мор. — head [meeting] sea

гармони́ческая волна́ — harmonic wave

горизонта́льно поляризо́ванная волна́ — horizontally polarized wave

гравитацио́нные во́лны — gravitational waves

грани́чная волна́ ( в волноводе) — boundary [critical, limiting, cut-off] wave

во́лны де Бро́йля — associated [de Broglie, matter, particle] waves

детонацио́нная волна́ — detonation wave

дефлаграцио́нная волна́ — deflagration wave

дециметро́вые во́лны ( диапазон ультравысоких частот) — decimetric waves (ultra-high-frequency [UHF] band, 300 MHz — 3 GHz)

дифраги́рованная волна́ — diffracted wave

дли́нные во́лны ( диапазон низких частот) — long [kilometric] waves (low-frequency [LF] band, 30—300 kHz)

звукова́я волна́ — acoustic [sound] wave

земна́я волна́ — ground wave

зонди́рующая волна́ — transmitted wave

волна́ изги́ба мех. — flexural wave

и́мпульсная волна́ — impulse wave

интерференцио́нная волна́ — interferential wave

инфракра́сные во́лны — infra-red waves

ионосфе́рная волна́ — ionospheric [sky] wave

капилля́рные во́лны — capillary waves

километро́вые во́лны — long [kilometric] waves (low-frequency [LF] band, 30—300 kHz)

когере́нтная волна́ — coherent wave

во́лны конвекцио́нного то́ка — convection current modes

кормова́я волна́ — quarter(ing) sea

коро́ткие во́лны ( диапазон высоких частот) — short [decametric] waves (high-frequency [HF] band, 3—30 MHz)

крити́ческая волна́ — boundary [critical, limiting, cut-off] wave

левополяризо́ванная волна́ — left-handed polarized [counter-clockwise-polarized] wave

лине́йно-поляризо́ванная волна́ — plane-polarized [linearly polarized] wave

магнитогидродинами́ческие во́лны — magnetohydrodynamic waves

магно́нная волна́ — magnon wave

во́лны мате́рии — associated [de Broglie, matter, particle] waves

метро́вые во́лны ( диапазон весьма высоких частот) — metric waves (very-high-frequency [VHF] band, 30 MHz — 300 MHz)

миллиметро́вые во́лны ( диапазон чрезвычайно высоких частот) — millimetric waves (extremely-high-frequency [EHF ] band, 30 GHz — 300 GHz)

мириаметро́вые во́лны см. сверхдлинные волны

многокра́тно отражё́нная волна́ — multiple reflection wave

монохромати́ческая волна́ — monochromatic wave

во́лны на пове́рхности жи́дкости — capillary waves

волна́ напряже́ний ( механических) — stress wave

волна́ напряже́ния, прямоуго́льная — rectangular voltage wave

необыкнове́нная волна́ — extraordinary [E] wave

неодноро́дная волна́ — inhomogeneous wave

неотражё́нная волна́ — direct [non-reflected] wave

носова́я волна́ мор. — bow sea

обыкнове́нная волна́ — ordinary [O] wave

опо́рная волна́ ( в голографии) — reference wave

опти́ческая волна́ — optical wave

ортогона́льная волна́ — orthogonal wave

основна́я волна́ — fundamental [principal] wave, principal mode

отражё́нная волна́ — (от земли, предметов и т. п.) reflected wave; ( от ионосферы) ionospheric [sky] wave

па́дающая волна́ — incident wave

параметри́чески свя́занные во́лны — parametrically coupled waves

перви́чная волна́ — primary wave

волна́ перенапряже́ния — voltage surge

пла́зменная волна́ — plasma wave

пло́ская волна́ — plane wave

плоскополяризо́ванная волна́ — plane-polarized [linearly polarized] wave

волна́ пло́тности — density wave

пове́рхностная волна́

1. мех. surface wave

2. ( земная) ground wave

поляризо́ванная волна́ — polarized wave

волна́ поляризо́ванная, циркуля́рно — circularly polarized wave

волна́ поляризо́ванная, эллипти́чески — elliptically polarized wave

попере́чная волна́ — transverse wave

попере́чная, магни́тная волна́ — transverse magnetic [TM] wave, transverse magnetic [TM] mode

попере́чная, электри́ческая волна́ — transverse electric [TE] wave, transverse electric [TE] mode

попере́чная, электромагни́тная волна́ — transverse electromagnetic [TEM] wave

попу́тная волна́ — following sea

посторо́нние во́лны — extraneous waves

правополяризо́ванная волна́ — right-handed polarized [clockwise-polarized] wave

преломлё́нная волна́ — refracted wave

преоблада́ющая волна́ — dominant wave, dominant mode

продо́льная волна́ — longitudinal wave

промежу́точные во́лны — medium high-frequency waves (50—200 m)

простра́нственная волна́ — ionospheric [sky] wave

проходя́щая волна́ (в волноводах, линиях передачи) — transmitted wave

пряма́я волна́

1. радио space wave

2. эл. forward wave

рассе́янная волна́ — scattered wave

расходя́щиеся во́лны — diverging waves

результи́рующая волна́ — resultant wave

во́лны Рэ́лея — Rayleigh waves

сантиметро́вые во́лны ( диапазон сверхвысоких частот) — centimetric waves (super-high-frequency [SHF] band, 3 GHz — 30 GHz)

сверхдли́нные во́лны ( диапазон весьма низких частот) — very long [myriametric] waves (very-low-frequency [VLF] band, 3 KHz — 30 KHz)

волна́ с враща́ющейся пло́скостью поляриза́ции — rotated-plane wave

волна́ свя́зи — frequency (setting), channel

выбира́ть волну́ свя́зи зара́нее — preset a frequency [a channel]

зафикси́ровать волну́ свя́зи зара́нее — detent a frequency [a channel]

набра́ть волну́ свя́зи — set up a frequency [a channel]

волна́ сдви́га мех. — shear wave

сейсми́ческие во́лны — seismic waves

волна́ сжа́тия — compression wave

синусоида́льная волна́ — sine wave

сопряжё́нная волна́ — partial [associated] wave

спада́ющая волна́ — decaying [collapsing] wave

сре́дние во́лны ( диапазон средних частот) — medium [hectometric] waves (medium-frequency [MF] band, 300 kHz—3 MHz)

стоя́чая волна́ — standing wave

субмиллиметро́вые во́лны — submillimetric waves

сфери́ческая волна́ — spherical wave

сходя́щиеся во́лны — converging [convergent] waves

температу́рные во́лны — temperature waves

тепловы́е во́лны — heat waves

волна́ ти́па E — E-wave, TM wave

волна́ ти́па EH — EH [TEM] wave

волна́ ти́па H — H-wave, TE wave

волна́ ти́па TE — TE wave, H-wave

волна́ ти́па TM — TM wave, E-wave

волна́ то́ка — current wave

тропосфе́рная волна́ — tropospheric wave

во́лны тяготе́ния — gravitational waves

уда́рная волна́ — shock wave

уда́рная, головна́я волна́ — bow shock wave

ультразвукова́я волна́ — supersonic wave

ультракоро́ткие во́лны ( все диапазоны короче 10 м) — ultrashort waves (shorter than 10 m)

упру́гая волна́ — elastic wave

фа́зовые во́лны — associated [de Broglie, matter, particle] waves

фокуси́рованная волна́ — beam (sound) wave

фоно́нная волна́ — phonon wave

холоста́я волна́ — idler wave

центри́рованная волна́ — centered [focused] wave

циклотро́нная волна́ — cyclotron wave

цилиндри́ческая волна́ — cylindrical wave

шарова́я волна́ — spherical wave

электромагни́тные во́лны — electromagnetic waves

* * *

вводи́ть координа́ты ( в решающее устройство) — enter [set] the coordinates

гра́фик в координа́тах «x-y [m2]» — an “ x-y ” plot

зави́симость в координа́тах «x-y [m2]» даё́т пряму́ю — an “ x-y ” plot yields a straight line

исправля́ть координа́ты — correct the coordinates

наноси́ть координа́ты ме́ста ( на карту) — plot the position

координа́ты определя́ют положе́ние то́чки относи́тельно … — coordinates locate the point relative to …

стро́ить гра́фик в координа́тах «x-y [m2]» — plot a curve on the “ x-y ” coordinates, plot on a graph of y versus x, plot y against x

ура́внивать координа́ты навиг. — adjust the position

координа́ты аэросни́мка — plate coordinates

входна́я координа́та — input coordinate

выходна́я координа́та — output coordinate

географи́ческие координа́ты — geographic(al) coordinates, geographic(al) position(s), geographic(al) values

геодези́ческие координа́ты — geodesic coordinates

геоцентри́ческие координа́ты — geocentric [terrestrial] coordinates

дека́ртовы координа́ты — Cartesian coordinates

дека́ртовы, косоуго́льные координа́ты — oblique Cartesian coordinates

дека́ртовы, прямоуго́льные координа́ты — rectangular Cartesian coordinates

дугова́я координа́та — angular position

лагра́нжевы координа́ты — material coordinates

координа́ты маршру́та — strip coordinates

координа́ты ме́ста навиг. — position

навигацио́нная координа́та — navigational coordinate

нача́льные координа́ты — coordinates of the origin

небе́сные координа́ты — celestial coordinates

обобщё́нная координа́та — generalized coordinate

ортогона́льные координа́ты — orthogonal coordinates

пла́новые координа́ты — plane [planimetric] coordinates

пло́ские координа́ты — planimetric coordinates

по́лные координа́ты — full coordinates

поля́рные координа́ты — polar coordinates

простра́нственные координа́ты — space coordinates, space positions

реакцио́нная координа́та — reaction coordinate

сфери́ческие координа́ты — spherical coordinates

сфери́ческие координа́ты с по́люсом на эква́торе — Greenwich grid directions

теку́щие координа́ты — running [current] coordinates, current position

координа́ты то́чки — position of a point

определя́ть координа́ты то́чки, напр. ста́нции — establish the position of, e. g., a station

усло́вные ортодроми́ческие координа́ты навиг. — grid directions

фотограмметри́ческие координа́та — photogrammetric coordinates

координа́ты цве́тности — chromatically coordinates

координа́ты це́ли рлк. — target position

* * *

1. wing

пока́чивать кры́льями ав. — rock the wings

2. геол. limb

крыло́ автомоби́ля — брит. wing; амер. fender

крыло́ автомоби́ля, разъё́мное — divided wing

крыло́ зда́ния — aisle

крыло́ лета́тельного аппара́та [ЛА] — ( теоретическое) aerofoil; ( практическое) wing

крыло́ ЛА поднима́ется вверх или вниз — the wing goes up or down

крыло́ ЛА высокорасполо́женное — high(-mounted) [high-set] wing, shoulder(-heignt) wing

крыло́ ЛА изменя́емой геоме́трии — variable-geometry wing

крыло́ ЛА изменя́емой стрелови́дности — variable-sweep wing

крыло́ ЛА, кессо́нное — torsion-box [cell] type wing

крыло́ ЛА, консо́льное — (full-)cantilever wing

крыло́ ЛА, ма́шущее — flapping wing

крыло́ ЛА, монобло́чное — monocoque wing

крыло́ ЛА, низкорасполо́женное — low(-mounted) wing

крыло́ ЛА, обра́тной стрелови́дности — swept-forward wing

крыло́ ЛА, отъё́мное — detachable wing

крыло́ ЛА, переставно́е — adjustable wing

крыло́ ЛА, пло́ское — planar wing

крыло́ ЛА, поворо́тное — all-moving wing

крыло́ ЛА, подви́жное — movable wing

крыло́ ЛА, прямо́е — straight [upswept] wing

крыло́ ЛА, прямоуго́льное — parallel [untapered, rectangular] wing

крыло́ ЛА, скла́дывающееся — folding wing

крыло́ ЛА с кру́ткой — warped wing

крыло́ ЛА с механиза́цией — high-lift wing

крыло́ ЛА с обра́тным попере́чным — V negative dihedral wing

крыло́ ЛА с попере́чным — V dihedral wing

крыло́ ЛА, стрелови́дное — swept(-back) wing

крыло́ ЛА, трапециеви́дное — tapered wing

крыло́ ЛА, треуго́льное — triangular [triangle] wing

крыло́ ЛА, це́льное — one-piece wing

крыло́ ЛА, цельноповоро́тное — all-moving wing

крыло́ ЛА, эвольве́нтное — ogival wing

крыло́ мо́стика ( судна) — bridge wing

крыло́ отва́ла с.-х. — mouldboard wing

подво́дное крыло́ — hydrofoil

подво́дное, вентили́руемое крыло́ — vented hydrofoil

подво́дное, кавити́рующее крыло́ — cavitating hydrofoil

подво́дное, некавити́рующее крыло́ — subcavitating hydrofoil

подво́дное, пересека́ющее пове́рхность воды́ крыло́ — surface-piercing hydrofoil

подво́дное, по́лностью погружё́нное крыло́ — fully-submerged hydrofoil

подво́дное, суперкавити́рующее крыло́ — supercavitating hydrofoil

крыло́ разводно́го моста́ — bascule leaf

крыло́ семафо́ра — semaphore arm, semaphore blade

крыло́ семафо́ра, пригласи́тельное — calling-on arm

〈 het〉

1  square ⇒ 〈 figuur, opstelling ook〉 quadrangle

————————

I 〈 bijvoeglijk naamwoord〉

1 [met de vorm van een gelijkzijdige rechthoek] square

2 [+ lengte-eenheid] square

3 [rechthoekig] square ⇒ rectangular

4 [massief, fors] square ⇒ foursquare, 〈 persoon ook〉 squarely-built, 〈 persoon ook〉 stocky

5 [kwadratisch] square

♦voorbeelden:

1   de kamer meet drie meter in het vierkant • the room is three metres square/three by three (metres)

3   vierkante haak • bracket

II 〈 bijwoord〉

1 [ronduit] squarely ⇒ outright, flatly 〈 weigeren〉

♦voorbeelden:

1   iemand vierkant de deur uit gooien • chuck someone out (bodily); 〈 slang〉 give someone the bum's rush

     zijn voorstel werd vierkant geweigerd • his proposal met with a flat refusal

     zich vierkant tegen iets verklaren • declare oneself dead set against something

SUBJECT AREA: Architecture and building

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The name of Le Corbusier is synonymous with the International style of modern architecture and city planning, one utilizing functionalist designs carried out in twentieth-century materials with modern methods of construction. Charles-Edouard Jeanneret, born in the watch-making town of La Chaux-de-Fonds in the Jura mountain region, was the son of a watch engraver and dial painter. In the years before 1918 he travelled widely, studying building in many countries. He learned about the use of reinforced concrete in the studio of Auguste Perret and about industrial construction under Peter Behrens. In 1917 he went to live in Paris and spent the rest of his life in France; in 1920 he adopted the name of Le Corbusier, one derived from that of his ancestors (Le Corbesier), and ten years later became a French citizen.

Le Corbusier's long working life spanned a career divided into three distinct parts. Between 1905 and 1916 he designed a number of simple and increasingly modern houses; the years 1921 to 1940 were ones of research and debate; and the twenty years from 1945 saw the blossoming of his genius. After 1917 Le Corbusier gained a reputation in Paris as an architect of advanced originality. He was particularly interested in low-cost housing and in improving accommodation for the poor. In 1923 he published Vers une architecture, in which he planned estates of mass-produced houses where all extraneous and unnecessary features were stripped away and the houses had flat roofs and plain walls: his concept of "a machine for living in". These white boxes were lifted up on stilts, his pilotis, and double-height living space was provided internally, enclosed by large areas of factory glazing. In 1922 Le Corbusier exhibited a city plan, La Ville contemporaine, in which tall blocks made from steel and concrete were set amongst large areas of parkland, replacing the older concept of city slums with the light and air of modern living. In 1925 he published Urbanisme, further developing his socialist ideals. These constituted a major reform of the industrial-city pattern, but the ideas were not taken up at that time. The Depression years of the 1930s severely curtailed architectural activity in France. Le Corbusier designed houses for the wealthy there, but most of his work prior to 1945 was overseas: his Centrosoyus Administration Building in Moscow (1929–36) and the Ministry of Education Building in Rio de Janeiro (1943) are examples. Immediately after the end of the Second World War Le Corbusier won international fame for his Unité d'habitation theme, the first example of which was built in the boulevard Michelet in Marseille in 1947–52. His answer to the problem of accommodating large numbers of people in a small space at low cost was to construct an immense all-purpose block of pre-cast concrete slabs carried on a row of massive central supports. The Marseille Unité contains 350 apartments in eight double storeys, with a storey for shops half-way up and communal facilities on the roof. In 1950 he published Le Modular, which described a system of measurement based upon the human male figure. From this was derived a relationship of human and mathematical proportions; this concept, together with the extensive use of various forms of concrete, was fundamental to Le Corbusier's later work. In the world-famous and highly personal Pilgrimage Church of Notre Dame du Haut at Ronchamp (1950–5), Le Corbusier's work was in Expressionist form, a plastic design in massive rough-cast concrete, its interior brilliantly designed and lit. His other equally famous, though less popular, ecclesiastical commission showed a contrasting theme, of "brutalist" concrete construction with uncompromisingly stark, rectangular forms. This is the Dominican Convent of Sainte Marie de la Tourette at Eveux-sur-l'Arbresle near Lyon, begun in 1956. The interior, in particular, is carefully worked out, and the lighting, from both natural and artificial sources, is indirect, angled in many directions to illuminate vistas and planes. All surfaces are carefully sloped, the angles meticulously calculated to give optimum visual effect. The crypt, below the raised choir, is painted in bright colours and lit from ceiling oculi.

One of Le Corbusier's late works, the Convent is a tour de force.

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SUBJECT AREA: Land transport, Railways and locomotives

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Robert Stephenson's father was George Stephenson, who ensured that his son was educated to obtain the theoretical knowledge he lacked himself. In 1821 Robert Stephenson assisted his father in his survey of the Stockton \& Darlington Railway and in 1822 he assisted William James in the first survey of the Liverpool \& Manchester Railway. He then went to Edinburgh University for six months, and the following year Robert Stephenson \& Co. was named after him as Managing Partner when it was formed by himself, his father and others. The firm was to build stationary engines, locomotives and railway rolling stock; in its early years it also built paper-making machinery and did general engineering.

In 1824, however, Robert Stephenson accepted, perhaps in reaction to an excess of parental control, an invitation by a group of London speculators called the Colombian Mining Association to lead an expedition to South America to use steam power to reopen gold and silver mines. He subsequently visited North America before returning to England in 1827 to rejoin his father as an equal and again take charge of Robert Stephenson \& Co. There he set about altering the design of steam locomotives to improve both their riding and their steam-generating capacity. Lancashire Witch, completed in July 1828, was the first locomotive mounted on steel springs and had twin furnace tubes through the boiler to produce a large heating surface. Later that year Robert Stephenson \& Co. supplied the Stockton \& Darlington Railway with a wagon, mounted for the first time on springs and with outside bearings. It was to be the prototype of the standard British railway wagon. Between April and September 1829 Robert Stephenson built, not without difficulty, a multi-tubular boiler, as suggested by Henry Booth to George Stephenson, and incorporated it into the locomotive Rocket which the three men entered in the Liverpool \& Manchester Railway's Rainhill Trials in October. Rocket, was outstandingly successful and demonstrated that the long-distance steam railway was practicable.

Robert Stephenson continued to develop the locomotive. Northumbrian, built in 1830, had for the first time, a smokebox at the front of the boiler and also the firebox built integrally with the rear of the boiler. Then in Planet, built later the same year, he adopted a layout for the working parts used earlier by steam road-coach pioneer Goldsworthy Gurney, placing the cylinders, for the first time, in a nearly horizontal position beneath the smokebox, with the connecting rods driving a cranked axle. He had evolved the definitive form for the steam locomotive.

Also in 1830, Robert Stephenson surveyed the London \& Birmingham Railway, which was authorized by Act of Parliament in 1833. Stephenson became Engineer for construction of the 112-mile (180 km) railway, probably at that date the greatest task ever undertaken in of civil engineering. In this he was greatly assisted by G.P.Bidder, who as a child prodigy had been known as "The Calculating Boy", and the two men were to be associated in many subsequent projects. On the London \& Birmingham Railway there were long and deep cuttings to be excavated and difficult tunnels to be bored, notoriously at Kilsby. The line was opened in 1838.

In 1837 Stephenson provided facilities for W.F. Cooke to make an experimental electrictelegraph installation at London Euston. The directors of the London \& Birmingham Railway company, however, did not accept his recommendation that they should adopt the electric telegraph and it was left to I.K. Brunel to instigate the first permanent installation, alongside the Great Western Railway. After Cooke formed the Electric Telegraph Company, Stephenson became a shareholder and was Chairman during 1857–8.

Earlier, in the 1830s, Robert Stephenson assisted his father in advising on railways in Belgium and came to be increasingly in demand as a consultant. In 1840, however, he was almost ruined financially as a result of the collapse of the Stanhope \& Tyne Rail Road; in return for acting as Engineer-in-Chief he had unwisely accepted shares, with unlimited liability, instead of a fee.

During the late 1840s Stephenson's greatest achievements were the design and construction of four great bridges, as part of railways for which he was responsible. The High Level Bridge over the Tyne at Newcastle and the Royal Border Bridge over the Tweed at Berwick were the links needed to complete the East Coast Route from London to Scotland. For the Chester \& Holyhead Railway to cross the Menai Strait, a bridge with spans as long-as 460 ft (140 m) was needed: Stephenson designed them as wrought-iron tubes of rectangular cross-section, through which the trains would pass, and eventually joined the spans together into a tube 1,511 ft (460 m) long from shore to shore. Extensive testing was done beforehand by shipbuilder William Fairbairn to prove the method, and as a preliminary it was first used for a 400 ft (122 m) span bridge at Conway.

In 1847 Robert Stephenson was elected MP for Whitby, a position he held until his death, and he was one of the exhibition commissioners for the Great Exhibition of 1851. In the early 1850s he was Engineer-in-Chief for the Norwegian Trunk Railway, the first railway in Norway, and he also built the Alexandria \& Cairo Railway, the first railway in Africa. This included two tubular bridges with the railway running on top of the tubes. The railway was extended to Suez in 1858 and for several years provided a link in the route from Britain to India, until superseded by the Suez Canal, which Stephenson had opposed in Parliament. The greatest of all his tubular bridges was the Victoria Bridge across the River St Lawrence at Montreal: after inspecting the site in 1852 he was appointed Engineer-in-Chief for the bridge, which was 1 1/2 miles (2 km) long and was designed in his London offices. Sadly he, like Brunel, died young from self-imposed overwork, before the bridge was completed in 1859.

[br]

See also: Pihl, Carl Abraham; Seguin, Marc

 

навесной замок
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Параллельные тексты EN-RU

...be provided with a means permitting it to be locked in the OFF (isolated) position (for example by padlocks).
[IEC 60204-1-2006]

... иметь средства для запирания в положении ОТКЛЮЧЕНО (отделено), например, с помощью навесных замков.
[Перевод Интент]

 

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Источник: insight-security.com
In simple terms, a padlock has three major components; the Body, the Shackle and the Locking Mechanism, …it may also incorporate features such as a weatherproof casing, anti drill or anti cropping protection, etc.

Discus style padlocks - have no angular corners, so are often used with cycle security chains and cables, as well as being a popular choice for securing doors on sheds and beach huts, etc. When used as a door lock, they will typically be used in conjunction with the special shrouded discus hasp and staple set, which offers extra protection to the padlock shackle.

Shutter Locks / Anvil Locks - are typically used to secure the external (or internal) security roller shutters fitted to shop fronts. They are also popular for use with parking posts, motorcycle security chains, etc.

Conventional Style padlocks have a wide range of applications from low security applications like locking your toolbox, to high security uses such as securing factory gates or protecting motorcycles. They are typically available as; Open, Close, or Semi Enclosed Shackle types

Shackleless type padlock (shown with special hasp)

Shackleless Padlocks - this is a bit of a misnomer as the padlock does of course have a shackle, it’s just that it’s on the underside of the lock body and therefore unseen. This type of padlock can be round (like the one pictured) or rectangular, but typically, they are designed to be used with a special matching security hasp. Because of their design, these units are difficult to attack and over recent years, as well as being used on warehouse doors, etc, they have also become very popular for use on vans and other vehicles where they are used to secure opening double doors.
 

4 tumbler combintion padlock

 

A "Close Shackle" padlock is one with built in shoulders, which are designed to minimise the amount of the shackle exposed, to a saw or bolt cropper attack. This type of padlock will normally have a higher security rating than an equivalent unit with a semi enclosed or open shackle, however subject to size and clearances, may not be practical for instance, to use where you need to secure 2 chain links together or require a padlock for use with a shrouded hasp, etc. To make them easier to use, many Close Shackle padlocks feature "removable shackles" which are fully released from the body of the padlock when it's unlocked.

 

An "Open Shackle" padlock will typically be easier to use where the shackle needs to pass through 2 chain-links (i.e, a chain securing two opening gates together), etc. As more of the shackle is exposed however, this makes it potentially easier to attack with a saw or bolt croppers.

 

A "Semi Enclosed Shackle" padlock is something of a compromise, but will often offer more flexibility in use than a Close Shackle padlock and improved security over an Open Shackle model.

Тематики

• электробезопасность

EN

• padlock