sprocketn.

Brit.

/ˈsprɒkᵻt/, U.S.

/ˈsprɑkət/

Forms: 1500s sprokettis (plural), 1500s 1800s– sproket, 1600s– sprocket.

Etymology: Origin unknown.

1. A triangular or wedge-shaped piece of timber used in the construction of the frame of a house; esp. one fixed to the upper face of a rafter near its foot in order to reduce the slope above the eaves.In quot. 1929 denoting a triangular concrete block with the same function.

ΘΚΠ

the world > space > relative position > support > [noun] > that which supports > supporting blocks > in framing

sprocket1536

1536 Accts. St. John's Hosp., Canterbury (Canterbury Cathedral Archives: CCA-U13/4) To Nycoles & Horton for makyng sprokettis & a grunsyll att Arnoldes, ij d.

1593 Churchwardens' Accts. St. Andrew's, Canterbury (MS) For setting vp a forme, nayles and sproketes, xiij d.

1703 R. Neve City & Countrey Purchaser 121 A Coving-cornish..has a great Casement, or Hollow in it, which is commonly Lathed and Plaister'd upon Compass, Sprockets, or Brackets.

1880 J. Leaning Quantity Surv. 61 Sprockets.—State what size two are cut out of.

1929 N. Lloyd Building Craftsmanship iv. 30 (caption) Dormer window with cement breeze sprockets and valleys instead of wood.

2008 G. Domenig in R. Schefold et al. Indonesian Houses II. 71 With their upper part these sprockets press against a horizontal lath..that is inserted in the angle they form with the rafters.

†a. Each of a series of projections on the rim of a wheel, drum, roller, etc., that are used to engage with the links of a chain. Obsolete.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > parts of wheels > tooth

coga1250

tooth?1523

sprocket1655

staff1659

leaf1675

wrong1688

round1731

wrist1864

whelp1875

wrist-pin1875

pinion leaf1881

1655 E. Hayward Sizes & Lengths Riggings 43 (table) Pump-chain Leather'd... Wheel fitted... Sprockets.

1750 T. R. Blanckley Naval Expositor 126 Sprockets are made not unlike a large Horse Shoe, drove into the Wheel, and the Chain works on them.

1919 O. W. Caldwell Gary Public Schools Sci. Teaching viii. 55 Count the number of sprockets in both the large and small sprocket wheel.

b. A wheel equipped with projections along its rim that are used to engage with the links of a chain, the perforations along the edge of a strip of film, etc.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > other wheels

well wheel1535

rundle1611

rown-wheel1688

walking wheel1730

side wheel1731

tirl1793

rigger1797

idle wheel1805

vane1842

Gypsy1850

air wheel1860

wind-wheel1867

sprocket1879

friction-wheel1888

Geneva wheel1891

idler1899

society > leisure > the arts > performance arts > cinematography > projection > [noun] > apparatus for projecting films > parts of

sprocket1879

projection lens1894

cut-off1906

gate1909

claw1911

take-up1915

douser1917

sound gate1931

sound head1931

pull-down1933

society > leisure > the arts > performance arts > cinematography > filming > filming equipment > [noun] > camera > parts of

sprocket1879

film magazine1906

gate1909

claw1911

take-up1915

pull-down1933

lens turret1951

turret1951

squeeze lens1957

1879 A. Ross & S. J. Parker U.S. Patent 215,680 1/2 The sprocket K is provided with internal cogs, as shown.

1953 L. J. Wheeler Princ. Cinematogr. vi. 181 It is reasonable to expect the sprocket dimensions to be different to those in the camera mechanism.

2013 M. Davis & G. Andrews Compl. Mountain Bike Maintenance vi. 71/1 The sprockets can only be returned the right way round.

†3. Nautical. Each of the teeth on a capstan, used to engage a rope, chain, or pawl. Obsolete.

ΘΚΠ

society > travel > travel by water > vessel, ship, or boat > equipment of vessel > other equipment of vessel > [noun] > capstan > pawl-rim parts of

pawl rim1821

sprocket1857

1857 J. M. Boyd Man. Naval Cadets 228 The messenger is run round the capstan and manger rollers, the turns taken out, the after bight placed on the sprockets, and..the ends are adjusted as to length.

1903 Speaker 7 Feb. 452/1 The Hermione capstans are of the dangerous old-fashioned type, fitted with the antiquated pawls and sprockets.

Compounds

C1. General attributive (in senses 2a, 2b).

ΚΠ

1848 Amer. Railroad Jrnl. 17 June 390/3 Wire ropes were to be used instead of the sprocket chain.

1897 Outing 30 370/2 A sprocket-lock, which was guaranteed to prevent any sprocket from revolving.

1957 M. Frank & B. Clark First Lady Seeing Eye (1964) vii. 87 I rechecked the sprocket clamp and take-up reels and spindles.

2008 Motorcycle Mag. Mar. 38/3 A sprocket drive was mounted to the trick rear swing arm.

C2.

sprocket hole n. each of a series of holes in a strip of film or tape, a belt, etc., with which sprockets can engage to propel it or keep it correctly aligned.

ΘΚΠ

the world > space > relative position > condition of being open or not closed > an opening or aperture > [noun] > sprocket-hole

sprocket hole1892

1892 Official Gaz. (U.S. Patent Office) 5 July 113/2 The carrying-belt having sprocket-holes in its edges.

1971 Southerly 31 138 I could print those four or five with the sprocket holes still on the film.

2000 D. Mellor Sound Person's Guide to Video xvi. 192 The image size on the film is restricted by the available width between the sprocket holes.

sprocket wheel n. a wheel equipped with projections along its rim that are used to engage with the links of a chain, the perforations along the edge of a strip of film, etc.; = sense 2b.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > used with chain

fusee1622

rag wheel1656

fuse1674

rag1705

sprocket wheel1765

chain-wheel1845

chain geara1877

trammel-wheel1877

1765 Public Advertiser 18 Mar. The Chain-Pump..has very little Purchase, the Diameter of the Winches not greatly exceeding the Diameter of the Sprocket Wheel.

1896 Westm. Gaz. 21 Nov. 7/2 The chain, instead of acting direct on the driving wheel, passes from the sprocket wheel to another at the back of the saddle.

2015 R. H. Sturges Pract. Field Robotics 193 There are four cases to consider: a chain drive with either an even or an odd number of links, and sprocket wheels with either an even or an odd number of teeth.

Derivatives

ˈsprocketed adj. equipped with sprockets (sense 2a) or sprocket holes.

ΘΚΠ

the world > space > relative position > condition of being open or not closed > an opening or aperture > [adjective] > having (a) hole(s) > having sprocket-holes

sprocketed1875

society > occupation and work > equipment > machine > parts of machines > wheel > [adjective] > with or without specific parts

axlessa1618

cogged1825

spoky1832

soled1845

sprocketed1875

unfellied1885

spoked1890

vaned1891

sprocketless1897

spindleless1964

hubless1970

1875 Metal Worker 2 Oct. 3/4 The power, transmitted over sprocketed wheels, is as certain as gearing.

1967 P. Grosset Compl. Bk. Amateur Film Making viii. 143/2 You will need to use..sprocketed tape (which cannot slip, shrink or stretch).

2014 Austral. Mag. (Nexis) 5 Apr. 40 In the era of sprocketed film, before cheap digital technology encouraged people to take far too many happy-snaps, no one piled up the prints like Rennie.

This entry has been updated (OED Third Edition, March 2019; most recently modified version published online June 2022).

单词	sprocket
释义	sprocketn. Brit. /ˈsprɒkᵻt/, U.S. /ˈsprɑkət/ Forms: 1500s sprokettis (plural), 1500s 1800s– sproket, 1600s– sprocket. Etymology: Origin unknown. 1. A triangular or wedge-shaped piece of timber used in the construction of the frame of a house; esp. one fixed to the upper face of a rafter near its foot in order to reduce the slope above the eaves.In quot. 1929 denoting a triangular concrete block with the same function. ΘΚΠ the world > space > relative position > support > [noun] > that which supports > supporting blocks > in framing sprocket1536 1536 Accts. St. John's Hosp., Canterbury (Canterbury Cathedral Archives: CCA-U13/4) To Nycoles & Horton for makyng sprokettis & a grunsyll att Arnoldes, ij d. 1593 Churchwardens' Accts. St. Andrew's, Canterbury (MS) For setting vp a forme, nayles and sproketes, xiij d. 1703 R. Neve City & Countrey Purchaser 121 A Coving-cornish..has a great Casement, or Hollow in it, which is commonly Lathed and Plaister'd upon Compass, Sprockets, or Brackets. 1880 J. Leaning Quantity Surv. 61 Sprockets.—State what size two are cut out of. 1929 N. Lloyd Building Craftsmanship iv. 30 (caption) Dormer window with cement breeze sprockets and valleys instead of wood. 2008 G. Domenig in R. Schefold et al. Indonesian Houses II. 71 With their upper part these sprockets press against a horizontal lath..that is inserted in the angle they form with the rafters. 2. †a. Each of a series of projections on the rim of a wheel, drum, roller, etc., that are used to engage with the links of a chain. Obsolete. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > parts of wheels > tooth coga1250 tooth?1523 sprocket1655 staff1659 leaf1675 wrong1688 round1731 wrist1864 whelp1875 wrist-pin1875 pinion leaf1881 1655 E. Hayward Sizes & Lengths Riggings 43 (table) Pump-chain Leather'd... Wheel fitted... Sprockets. 1750 T. R. Blanckley Naval Expositor 126 Sprockets are made not unlike a large Horse Shoe, drove into the Wheel, and the Chain works on them. 1919 O. W. Caldwell Gary Public Schools Sci. Teaching viii. 55 Count the number of sprockets in both the large and small sprocket wheel. b. A wheel equipped with projections along its rim that are used to engage with the links of a chain, the perforations along the edge of a strip of film, etc. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > other wheels well wheel1535 rundle1611 rown-wheel1688 walking wheel1730 side wheel1731 tirl1793 rigger1797 idle wheel1805 vane1842 Gypsy1850 air wheel1860 wind-wheel1867 sprocket1879 friction-wheel1888 Geneva wheel1891 idler1899 society > leisure > the arts > performance arts > cinematography > projection > [noun] > apparatus for projecting films > parts of sprocket1879 projection lens1894 cut-off1906 gate1909 claw1911 take-up1915 douser1917 sound gate1931 sound head1931 pull-down1933 society > leisure > the arts > performance arts > cinematography > filming > filming equipment > [noun] > camera > parts of sprocket1879 film magazine1906 gate1909 claw1911 take-up1915 pull-down1933 lens turret1951 turret1951 squeeze lens1957 1879 A. Ross & S. J. Parker U.S. Patent 215,680 1/2 The sprocket K is provided with internal cogs, as shown. 1953 L. J. Wheeler Princ. Cinematogr. vi. 181 It is reasonable to expect the sprocket dimensions to be different to those in the camera mechanism. 2013 M. Davis & G. Andrews Compl. Mountain Bike Maintenance vi. 71/1 The sprockets can only be returned the right way round. †3. Nautical. Each of the teeth on a capstan, used to engage a rope, chain, or pawl. Obsolete. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > other equipment of vessel > [noun] > capstan > pawl-rim parts of pawl rim1821 sprocket1857 1857 J. M. Boyd Man. Naval Cadets 228 The messenger is run round the capstan and manger rollers, the turns taken out, the after bight placed on the sprockets, and..the ends are adjusted as to length. 1903 Speaker 7 Feb. 452/1 The Hermione capstans are of the dangerous old-fashioned type, fitted with the antiquated pawls and sprockets. Compounds C1. General attributive (in senses 2a, 2b). ΚΠ 1848 Amer. Railroad Jrnl. 17 June 390/3 Wire ropes were to be used instead of the sprocket chain. 1897 Outing 30 370/2 A sprocket-lock, which was guaranteed to prevent any sprocket from revolving. 1957 M. Frank & B. Clark First Lady Seeing Eye (1964) vii. 87 I rechecked the sprocket clamp and take-up reels and spindles. 2008 Motorcycle Mag. Mar. 38/3 A sprocket drive was mounted to the trick rear swing arm. C2. sprocket hole n. each of a series of holes in a strip of film or tape, a belt, etc., with which sprockets can engage to propel it or keep it correctly aligned. ΘΚΠ the world > space > relative position > condition of being open or not closed > an opening or aperture > [noun] > sprocket-hole sprocket hole1892 1892 Official Gaz. (U.S. Patent Office) 5 July 113/2 The carrying-belt having sprocket-holes in its edges. 1971 Southerly 31 138 I could print those four or five with the sprocket holes still on the film. 2000 D. Mellor Sound Person's Guide to Video xvi. 192 The image size on the film is restricted by the available width between the sprocket holes. sprocket wheel n. a wheel equipped with projections along its rim that are used to engage with the links of a chain, the perforations along the edge of a strip of film, etc.; = sense 2b. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > used with chain fusee1622 rag wheel1656 fuse1674 rag1705 sprocket wheel1765 chain-wheel1845 chain geara1877 trammel-wheel1877 1765 Public Advertiser 18 Mar. The Chain-Pump..has very little Purchase, the Diameter of the Winches not greatly exceeding the Diameter of the Sprocket Wheel. 1896 Westm. Gaz. 21 Nov. 7/2 The chain, instead of acting direct on the driving wheel, passes from the sprocket wheel to another at the back of the saddle. 2015 R. H. Sturges Pract. Field Robotics 193 There are four cases to consider: a chain drive with either an even or an odd number of links, and sprocket wheels with either an even or an odd number of teeth. Derivatives ˈsprocketed adj. equipped with sprockets (sense 2a) or sprocket holes. ΘΚΠ the world > space > relative position > condition of being open or not closed > an opening or aperture > [adjective] > having (a) hole(s) > having sprocket-holes sprocketed1875 society > occupation and work > equipment > machine > parts of machines > wheel > [adjective] > with or without specific parts axlessa1618 cogged1825 spoky1832 soled1845 sprocketed1875 unfellied1885 spoked1890 vaned1891 sprocketless1897 spindleless1964 hubless1970 1875 Metal Worker 2 Oct. 3/4 The power, transmitted over sprocketed wheels, is as certain as gearing. 1967 P. Grosset Compl. Bk. Amateur Film Making viii. 143/2 You will need to use..sprocketed tape (which cannot slip, shrink or stretch). 2014 Austral. Mag. (Nexis) 5 Apr. 40 In the era of sprocketed film, before cheap digital technology encouraged people to take far too many happy-snaps, no one piled up the prints like Rennie. This entry has been updated (OED Third Edition, March 2019; most recently modified version published online June 2022). < n.1536
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