AskDefine | Define treadle

Dictionary Definition

treadle n : a lever that is operated with the foot [syn: pedal, foot pedal, foot lever]

Verb

1 tread over; "the brickmaker treadles over clay to pick out the stones"
2 operate (machinery) by a treadle

User Contributed Dictionary

English

Pronunciation

Noun

  1. A foot-operated pedal or lever that generates circular motion.

Verb

  1. To use a treadle.

Extensive Definition

A treadle [from OE tredan = to tread] is a part of a machine which is operated by the foot to produce reciprocating or rotary motion in a machine such as a weaving loom (reciprocating) or grinder (rotary). Treadles can also be used to power water pumps (treadle pump)

Railways

On a railway, a treadle or treatle is a device that detects the passing of a train, a bit like a track circuit and might be used to put a signal to 'stop'.

Sewing machines

Many of the early sewing machines were operated by a treadle mechanism linked to the machine by a leather belt.
treadle in Japanese: トレッドル

Synonyms, Antonyms and Related Words

advance, bar, beam, boom, bowl, bunt, butt, cant hook, claw bar, crank, crow, crowbar, drive, forward, handspike, impel, iron crow, jimmy, lever, limb, marlinespike, move, outrigger, peavey, pedal, pinch bar, pole, prize, propel, pry, push, ripping bar, roll, row, shove, shunt, spar, sweep, sweep along, thrust, troll, trundle, wrecking bar
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