Novel gear with movement limitation

The limiting gear (2701) has gear teeth having a portion lacking a gap, i.e. There is a toothless region (2703) lacking at least one gear tooth. Thus, the gear teeth on the limiting gear terminate in the toothless region (2703), which cannot engage the teeth of the pinion gear (2603). The pinion gea...

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Bibliographic Details
Main Authors KWOK KA WAI, HO DI-LANG, HE ZHUOLIANG, LYU JIACHI
Format Patent
LanguageChinese
English
Published 10.05.2024
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:The limiting gear (2701) has gear teeth having a portion lacking a gap, i.e. There is a toothless region (2703) lacking at least one gear tooth. Thus, the gear teeth on the limiting gear terminate in the toothless region (2703), which cannot engage the teeth of the pinion gear (2603). The pinion gear (2603) meshes with a drive gear (2601) that drives the pinion gear and the limit gear. The drive gear can be easily moved out of and back to a position engaged with the pinion gear from a position engaged with the pinion gear because the pinion gear remains engaged with the limit gear without aligning the limit gear with the drive gear. 限制齿轮(2701)具有一部分缺少豁口的齿轮齿，即存在缺少至少一个齿轮齿的无齿区域(2703)。因此，限制齿轮上的齿轮齿在该无齿区域(2703)终止，不能啮合小齿轮(2603)的齿。小齿轮(2603)与驱动小齿轮和限制齿轮的驱动齿轮(2601)啮合。驱动齿轮能够轻松地从与小齿轮啮合的位置移出和移回与小齿轮啮合的位置，其原因在于，小齿轮保持与限制齿轮啮合，无需将限制齿轮与驱动齿轮对齐。
Bibliography:Application Number: CN202410198487