Title:
BALL SCREW TYPE FEED DEVICE
Document Type and Number:
Japanese Patent JP2002206620
Kind Code:
A
Abstract:
To provide a feed device of non-circulation type which can prevent a leak out of lubricating oil even without separately providing a seal member.
This ball screw type feed device of non-circulation type charges a space between a spiral groove track 1A of an inner side member 1 and an outer side member 2 with a lubricating composition 32. This lubricating composition 32 is a lubricant solidifying lubricating oil with super high molecular weight polyethylene resin. The lubricating composition 32 covers a total unit of the spiral groove track 1A, additionally covers a total unit of a holder 3 and a ball 5, buries a clearance between the holder 3 and the ball 5, and fully buries a clearance between the holder 3 and the track 1A.
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Inventors:
USUKI NORIO
Application Number:
JP2001003591A
Publication Date:
July 26, 2002
Filing Date:
January 11, 2001
Export Citation:
Assignee:
KOYO SEIKO CO
International Classes:
F16H25/24; F16H25/22; (IPC1-7): F16H25/24; F16H25/22
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)