Abstract: A hidden-type shock absorbing bicycle frame has a front vehicle frame, a transmission assembly, a rear vehicle frame, and a damper. The front vehicle frame has a seat tube having two assembly plates. The assembly plate has an upper pivot hole and a lower pivot hole. An assembly space is formed between the assembly plates. The transmission assembly is pivotally connected to the upper pivot holes and has two front arms located in the assembly space and two rear arms located at two sides of the seat tube and extending backwardly. The rear vehicle frame is pivotally connected with the rear arms and is pivotally connected with the seat tube. The damper hidden inside the assembly space has a top end pivotally connected with the front arms and a bottom end pivotally connected to the lower pivot holes.

Abstract: Composite structures and methods of forming composite structures are provided. A composite structure as disclosed herein incorporates one or more composite structure components, such as composite panels and composite inserts. A composite panel is formed from one or more sheets of fiber reinforced thermoplastic material. Composite inserts can include one or more composite blocks or braided sleeves. A composite block can be formed as a stacked or molded structure from trimmings or waste produced during the formation of the composite structures. A braided sleeve can include a seamless, woven sleeve formed of reinforcing fibers and thermoplastic threads. In a completed composite structure, composite inserts are at least partially disposed within a volume defined by surfaces of composite panels. The various composite structures and inserts can be given a final shape and can be fused to one another in a molding and fusing step.

Abstract: A method for forming a bicycle frame component made of thermoplastic composite laminates has: a shell forming step: manufacturing multiple shells by compression molding; an overlapping step: overlapping two corresponding connecting margins of each two of the multiple shells to form an overlapping section of the two of the multiple shells and deploying a supporting unit within the multiple shells for supporting; a hot compressing connection step: heating and compressing the multiple shells to diffuse polymers of the multiple shells and to turn the multiple overlapping sections into multiple fusion areas for connection; a supporting unit removal step: removing the supporting unit disposed within the bicycle frame component.

Abstract: A motor mounting assembly of an electric bicycle has a motor-installation mount, a motor unit, and at least one adapting piece. The motor-installation mount has a mounting frame and a lateral cover. The mounting frame is annular and has a first lateral side, a second lateral side, and a lateral opening disposed on the first lateral side. The lateral cover is assembled to the first lateral side and covers the lateral opening. The motor unit is received within the motor-installation mount. Each one of the at least one adapting piece has two fastening portions. One of the fastening portions of each adapting piece is connected to the motor unit. The other fastening portion is clamped between and is connected to the lateral cover and the mounting frame.

Abstract: A motor mounting assembly of an electric bicycle has a motor-installation mount, a motor unit, and at least one adapting piece. The motor-installation mount has a mounting frame and a lateral cover. The mounting frame is annular and has a first lateral side, a second lateral side, and a lateral opening disposed on the first lateral side. The lateral cover is assembled to the first lateral side and covers the lateral opening. The motor unit is received within the motor-installation mount. Each one of the at least one adapting piece has two fastening portions. One of the fastening portions of each adapting piece is connected to the motor unit. The other fastening portion is clamped between and is connected to the lateral cover and the mounting frame.