翻訳と辞書
Words near each other
・ Tread
・ Tread Bolt
・ Tread Lightly!
・ Tread mark
・ Tread Marks
・ Tread softly
・ Tread Softly (1952 film)
・ Tread Softly (1965 film)
・ Tread Softly in This Place
・ Tread Softly Stranger
・ Treadaway
・ Treading Air
・ Treading Water
・ Treading water
・ Treading Water (film)
Treadle
・ Treadle (railway)
・ Treadle bicycle
・ Treadle pump
・ TreadMarks
・ Treadmill
・ Treadmill (disambiguation)
・ Treadmill desk
・ Treadmill Ridge
・ Treadmill with Vibration Isolation Stabilization
・ Treadmilling
・ TreadPort Active Wind Tunnel
・ Treadway (surname)
・ Treadway Racing
・ Treadway Russell Nash


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Treadle : ウィキペディア英語版
Treadle

A treadle (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 (as in the treadle pump), or to turn wood lathes (as in the pole lathe). In the past, treadles have been used to power a range of machines including sewing machines, looms, wood saws, cylinder phonographs and metal lathes. Along with cranks, treadmills, and treadwheels, they allowed human and animal power of machinery in the absence of electric machinery.
==Sewing machines==
Many of the early sewing machines were powered by a treadle mechanism. The treadle was operated by pressing down on it with a foot, or both feet, to cause a rocking movement. This movement spins a large wheel on the treadle frame, connected by a thin leather belt to a smaller driving wheels on the sewing machine.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Treadle」の詳細全文を読む



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