Title:
還流素子を具えるボールスクリュー
Document Type and Number:
Japanese Patent JP4852593
Kind Code:
B2
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.
Inventors:
Hayashi Akira
Guo Naganobu
E.
Guo Naganobu
E.
Application Number:
JP2008315639A
Publication Date:
January 11, 2012
Filing Date:
December 11, 2008
Export Citation:
Assignee:
HIWIN TECHNOLOGIES CORP.
International Classes:
F16H25/22
Domestic Patent References:
| JP2003184986A | ||||
| JP2008175229A | ||||
| JP11062962A |
Attorney, Agent or Firm:
Atsushi Tadokoro