Circulating device for motion guide apparatus

Details Circulating device for motion guide apparatus Circulating device for motion guide apparatus

2011-08-09

2011-08-09

Ridley, Richard W (Department: 3656)

Machine element or mechanism

Gearing

Directly cooperating gears

C074S424810, C074S424820, C074S424870, C074S424880

Reexamination Certificate

active

07992461

ABSTRACT:
A motion guide device includes a ball nut attached onto a shaft and having helical grooves for receiving ball bearing elements, a tubular member is engaged with the ball nut and includes a ball circulating pathway communicative with the helical groove of the ball nut, and includes an intermediate segment, two curved segments, and two end coupling segments each having a ball guiding channel which includes a wider inner section for guiding and circulating the flexible coupling member of a ball coupler to smoothly move through the ball guiding channel of each end coupling segment and for preventing the flexible coupling member from being twisted. The tubular member is preferably formed by two half members.

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patent: 2007263192 (2007-10-01), None

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