Title:
ROTATION SUPPORT BOARD
Document Type and Number:
Japanese Patent JP2023184274
Kind Code:
A
Abstract:
To provide a rotation support board that has a small vertical thickness dimension and excellent durability.SOLUTION: A rotation support board includes: a rotation upper board 1 and a fixation lower board 2 including round annular recessed grooves 11, 12 for holding a steel ball; and a large diameter hole 5 in the centers of the rotation upper board 1 and the fixation lower board 2, so as to be penetrated.SELECTED DRAWING: Figure 5
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Inventors:
MATSUO TOSHIHIKO
YAMASHITA NAONOBU
YAMASHITA NAONOBU
Application Number:
JP2022098335A
Publication Date:
December 28, 2023
Filing Date:
June 17, 2022
Export Citation:
Assignee:
KOYO ENG CO LTD
International Classes:
F16C19/10; F16B19/06; F16C11/04; F16C33/58; F16M11/08; H02G3/30
Attorney, Agent or Firm:
Takeshi Nakatani
Yumi Nakatani
Yumi Nakatani