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Title:
FEEDING DEVICE
Document Type and Number:
Japanese Patent JP2010276118
Kind Code:
A
Abstract:

To provide a feeding device capable of preventing reduction in durability by abrasion, by enabling a high speed rough motion feed operation and highly accurate slow motion feed operation.

This feeding device 100 has a nut 22 screwed with a spiral shaft 21 via a plurality of steel balls 23 and a cylinder 3 slidably internally arranging the nut 22 and integrally rotatable with the nut 22 with its center as a rotary shaft, and performs feed operation of the nut 22, and has a drive gear shaft 5 arranged in parallel to the spiral shaft 21, a cylinder input gear unit 6 rotatable by interlocking the cylinder 3 and the drive gear shaft 5, a clutch mechanism 7 for switching the transmission and cutoff of rotational power to the drive gear shaft 5 in the drive gear shaft 5, and a brake mechanism 8 capable of stopping rotation of the drive gear shaft 5, and can perform the slow motion feed operation and the rough motion feed operation by operation of the clutch mechanism 7 and the brake mechanism 8.


Inventors:
GYODA SHINGO
GOSHIMA HIROTO
Application Number:
JP2009129496A
Publication Date:
December 09, 2010
Filing Date:
May 28, 2009
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
SAGINOMIYA SEISAKUSHO INC
International Classes:
F16H25/20; F16H25/22; G01N3/32; H02K7/06
Attorney, Agent or Firm:
Juichiro Yano