0 a part of a machine that, when operated by the foot, gives the power to turn a wheel in the machine: --
My grandmother still uses her old treadle sewing machine.
The lower end of the heddle leaves are attached to treadles or marches.
Around 1480, the crank mechanism is further mechanized by adding a treadle.
By the end of 1984, 26,701 treadle pumps had been sold.
Lately, however, the described wells/pumps are no longer very efficient and can be replaced by either handpumps or treadle pumps.
The interlocking was normally released by trains passing over track treadles as they entered the next section.
Using treadles or some other mechanism, the heddles are raised and lowered to open the shed in the warp threads.
Over the course of 12 years, 1.5 million treadle pumps were purchased, increasing the purchaser's income by $150 million annually.
The tie-up consists of cords or similar mechanical linkages tying the treadles to the lams that actually lift or lower the shaft.
