Patent ID: 7134790

Claim:
A recirculating apparatus of a linear motion guiding, wherein the linear motion guiding comprising: an elongated rail formed with a plurality of rolling passages; a sliding block moveably mounted on the rail, on the sliding block provided with loading path, through holes and a circulating apparatus, the loading path on the sliding block formed correspondingly to the rolling passages of the rail, wherein the circulating apparatus is an unloading circulating member which cooperates with the loading path of the sliding block so as to form a complete circulating system for rolling elements, so that the sliding block can slide along the elongated rail; and the circulating apparatus is J-shaped, an end of which is disposed in the through holes, and end of which is connected to the loading path of the sliding block, the circulating apparatus is provided with a circulating path for enabling the rolling elements to move endlessly and circularly, in the circulating path are arranged two opposite grooves, the circulating apparatus comprises an outer circulating half tube and an inner circulating half tube which are connected together along the two opposite grooves.