Title:
BALL CHAIN
Document Type and Number:
Japanese Patent JP2568139
Kind Code:
B2
Abstract:
PURPOSE: To provide a ball chain wherein pitches between balls are minimized, and a radius of curvature of a refraction circulation passage can be further minimized.
CONSTITUTION: A fixed end 6 of a chain unit element 2 is pivotally connected to a free end 7 of the nest chain unit element 2 sequentially, and then an endless chain is obtained. A ball 8 is slidably held between holding arms 3, 4 of the chain unit element 2. Holding pieces 91, 92 are provided on a connection member 5 perpendicularly to a pivot axis A.
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Inventors:
TERAMACHI HIROSHI
Application Number:
JP23556291A
Publication Date:
December 25, 1996
Filing Date:
August 22, 1991
Export Citation:
Assignee:
THK CO LTD
International Classes:
F16C29/06; F16C33/38; (IPC1-7): F16C29/06
Domestic Patent References:
| JP62242126A |
Attorney, Agent or Firm:
Kazunobu Sera (1 person outside)