Extreme labor-saving bicycle
    57.
    发明授权

    公开(公告)号:US11702170B2

    公开(公告)日:2023-07-18

    申请号:US17041728

    申请日:2019-02-27

    申请人: Dongbin Zeng

    发明人: Dongbin Zeng

    摘要: Extreme labor-saving bicycle, comprising a front wheel assembly, a rear wheel assembly, a handle, a pedal, a frame, a connecting rod, a swinging rod, a seat and a transmission mechanism for transferring force of the swinging rod to the rear wheel assembly, wherein, the front wheel assembly and the rear wheel assembly are mounted at front end and rear end of the frame, the pedal is rotatably mounted at lower end of the middle of the frame, the swinging rod and the pedal are hinged to two ends of the connecting rod, the seat is fixed at a hinging end of the connecting rod and the swinging rod, and one end of the swinging rod away from the seat, is hinged to front end of the frame and connected with the rear wheel assembly through the transmission mechanism.

    ADDITIONAL SEAT STRUCTURE FOR ELECTRIC BICYCLES

    公开(公告)号:US20230091436A1

    公开(公告)日:2023-03-23

    申请号:US17951286

    申请日:2022-09-23

    IPC分类号: B62J1/14

    摘要: The present invention relates to an additional seat structure for electric bicycles (100) comprising a right main rod (200) and a left main rod (300), wherein each main rod (200, 300) comprises a first straight region (201, 301) and a second straight region (203, 303) with faces essentially parallel to each other, and between which there is at least one transition region (202, 302).

    Extreme labor-saving bicycle
    59.
    发明申请

    公开(公告)号:US20210114685A1

    公开(公告)日:2021-04-22

    申请号:US17041728

    申请日:2019-02-27

    申请人: DONGBIN ZENG

    发明人: DONGBIN ZENG

    IPC分类号: B62M1/20 B62J1/14 B62M1/10

    摘要: Extreme labor-saving bicycle, comprising a front wheel assembly, a rear wheel assembly, a handle, a pedal, a frame, a connecting rod, a swinging rod, a seat and a transmission mechanism for transferring force of the swinging rod to the rear wheel assembly, wherein, the front wheel assembly and the rear wheel assembly are mounted at front end and rear end of the frame, the pedal is rotatably mounted at lower end of the middle of the frame, the swinging rod and the pedal are hinged to two ends of the connecting rod, the seat is fixed at a hinging end of the connecting rod and the swinging rod, and one end of the swinging rod away from the seat, is hinged to=front end of the frame and=connected with the rear wheel assembly through the transmission mechanism.

    Vehicle seat
    60.
    发明授权

    公开(公告)号:US10214122B2

    公开(公告)日:2019-02-26

    申请号:US15127071

    申请日:2015-03-20

    摘要: A vehicle seat suitable as a straddle-type seat for a two or three-wheeled vehicle is provided, the straddle-type seat being configured to be shifted between a tip-up state and a seated state by a rotation mechanism, wherein there is no interference between the rotation mechanism and the seat. The vehicle seat of the present disclosure has a bottom plate, a seating portion, and a side portion. The seating portion and the side portion are covered by a surface material. In this vehicle seat configured to be shifted between the seated state and the tip-up state by the rotation mechanism, a recessed portion for the rotation mechanism is provided at the side portion facing the rotation mechanism.