To large take backlash while engaging/disengaging of a drive gear side and a driven gear side can be smoothly performed.
This transmitting route switching mechanism 1, transmitting power of a drive gear 2 by switching power to either of a first or second driven gear 3 or 4, comprises a slide side gear 5 capable of axially sliding moreover capable of displacing to a condition engaged with and disengaged from the first driven gear 3 by sliding as well as capable of maintaining a condition engaged with the drive gear 2, a fixed side gear 6 coaxially provided on the slide side gear 5 to be incapable of sliding and always engaged with the second driven gear 4, clutch pawls 7, 8 formed in the slide side gear 5 and the fixed side gear 6 additionally engaged so as to integrally rotate the slide side gear 5 and the fixed side gear 6 when the slide side gear 5 is disengaged from the first driven gear 3, and a displacement means 9 sliding the slide side gear 5 so as to perform displacement to conditions engaged with and disengaged from the fixed side gear 6.
JP2010159826 | TWO-SPEED SELECTION REDUCTION GEARS |
JPS58127225 | 【考案の名称】プレスクラツチ |
JP3638810 | SILENT CLUTCH OF THREAD TIGHTENING MACHINE |
OSHIMA KEIZO
NAKAMURA AKIHIRO
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