QUICKLY RELEASED AND FASTENED ADJUSTMENT MECHANISM
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United States of America Patent
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app pub date -
May 9, 2016
filing date -
May 9, 2016
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Abstract
A quickly released and fastened adjustment mechanism including a gasket, a first ratchet, a second ratchet, a T-shaped sleeve and a fastener is installed between a sliding member and a fixing member. The first and second ratchets are arranged with annular teeth respectively while the two annular teeth are engaged. The T-shaped sleeve is mounted in the first and second ratchets and against the gasket. The fastener is passed through the T-shaped sleeve, the gasket and the sliding member to be secured on the fixing member. Thus the two corresponding annular teeth are engaged firmly. The height difference between low-level and high-level engagement of the two annular teeth is Hf. The sleeved height of the T-shaped sleeve is D1. The total height of the first and second ratchets in the low-level engagement is D2. D1>D2. D1−D2=G>0 and Hf>G>0.
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