Treadle

(verb.) operate (machinery) by a treadle.

(verb.) tread over; 'the brick maker treadles over clay to pick out the stones'.

编辑:雷金纳德

• Singer was the first to apply the treadle to the sewing machine for actuating it by foot power in the place of the hand-driven crank wheel. Edward W. Byrn. 十九世纪发明进展.
• There is a valve in the tank which is opened by stepping on a treadle in the car, and this action admits to the bucket just enough weight of water to overbalance the load on the car. 威廉·亨利·杜利特. 世纪发明.
• Treadles were subsequently applied, but after a time the machine fell into disuse and was apparently forgotten. 威廉·亨利·杜利特. 世纪发明.
• With this transition in the sewing machine foot treadles are no longer relied on, but the machines are run by power from countershafts. Edward W. Byrn. 十九世纪发明进展.

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