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    • 6. 发明公开
    • A Snap-In Crank Mechanism
    • US20230292893A1
    • 2023-09-21
    • US18043685
    • 2021-07-06
    • Tempo Manufacturing LLC
    • Xiong Luo
    • A45B25/14
    • A45B25/14
    • A snap-in crank mechanism comprising a crank housing mounted out of a column, and a crank having a crank rod with two ends; the crank housing comprises a crank inner housing sleeved outside the column, and a crank outer housing detachably sleeved outside the crank inner housing; the crank inner housing has a left inner housing, a right inner housing and a lower inner housing, the left inner housing and the right inner housing are connected with each other forming a sleeve which is sleeved outside the column and has a crank rod mounting hole at the periphery of the sleeve; the crank outer housing is slidable on the periphery of the sleeve formed by the left inner housing and the right inner housing; the lower inner housing is inserted from the bottom of the crank outer housing, and is located between the crank outer housing and the bottom of the left inner housing and the right inner housing clamping with the left inner housing and the right inner housing; one end of the crank rod is located inside the crank rod mounting hole and is connected to the crank shaft running through the column, while the other end of the crank rod is connected to the crank head. The jacket of the crank head is made of natural rubber. The present invention is simple and reasonable in structure, easy to dissemble and assemble and aesthetic in appearance, and can satisfy the requirement of replacing many types of housings, improve the user’s comfort in use and improve the production quality and the user experience.