Quick-release device for use on a bicycle

摘要

A quick-release device for use on a bicycle includes a lever, an axle rotatably received in the lever, a shaft extending through the axle, a force device sleeved on the shaft, at least one spring sleeved on the shaft and a nut screwed onto the shaft. The axle includes an indentation defined therein and a first abutment formed on a bottom of the indentation. The shaft includes a shank and a head formed one end of the shank such that a second abutment is formed between the shank and the head. The head is received and engaged in the indentation such that the shank can not be rotated relative to the axle and the connected of the quick-quick device in promoted.

主权项

1. A quick-release device for use on a bicycle, comprising:
a lever including through hole laterally and eccentrically defined in one end thereof to form a cam thereon, and a groove defined in the cam and communicating with the through hole; an axle rotatably received in the through hole in the lever, the axle including a through hole diametrically defined therein, an indentation radially defined in the axle and communicating with the through hole in the axle, wherein the indentation communicates with the groove when the axle is rotatably received in the through hole in the lever, a first abutment formed on a bottom of the indentation; a shaft extending through the axle, the shaft including a shank and a head integrally formed on a first end of the shank such that a second abutment is formed between the shank and the head, the shank sequentially extending through the indentation and the through hole in the axle to make the head positioned in the indentation, and the first abutment and the second abutment abutting each other; a force device sleeved on the shank and including a curved groove defined therein for partially receiving the cam; and a spring sleeved on the shank and compressively abutting the force device.