Title:
NUT HAVING ROUND-FLOW HOLE INTERNALLY
Document Type and Number:
Japanese Patent JP2005207468
Kind Code:
A
Abstract:
To overcome the processing difficulty owing to a high hardness after a heat treatment, establish a fine outside appearance owing to the structure in which no through hole of the round-flow hole remains at the outside surface of the nut, give good dust-proof effect, and reduce the emission of noises.
The nut 2 is composed of a runway groove 21 assuming spirally where rolling element(s) 3 rolls on, a round-flow metal piece 5 furnished with a turning path 51 where the rolling element turns its rolling direction into circulation, and the round-flow hole 22 which is prepared through discharge machining and in which the round-flow metal piece is fitted.
Inventors:
O SHOHO
Application Number:
JP2004013020A
Publication Date:
August 04, 2005
Filing Date:
January 21, 2004
Export Citation:
Assignee:
SHANGYIN SCI & TECH CO LTD
International Classes:
F16H25/22; F16H25/24; (IPC1-7): F16H25/22; F16H25/24
Attorney, Agent or Firm:
Sakuo Yamaguchi
Yuichi Kasai
Masaharu Yokoyama
Yuichi Kasai
Masaharu Yokoyama
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