Title:
BEARING DEVICE AND GREASE SUPPLY METHOD FOR BEARING DEVICE
Document Type and Number:
Japanese Patent JP2014211172
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a bearing device or the like having a grease replenishing structure for smoothly supplying grease to a bearing with a simple structure.SOLUTION: A bearing device for rotatably receiving a shaft laterally extended by a bearing has a pocket for storing grease on an upper part of the shaft adjacently to an axial direction of the shaft of the bearing. The pocket has an opening on a lower side facing or abutting the shaft, and a guide surface extended to the bearing along a surface of the shaft on the bearing side of the opening. A spiral groove using a rotation axis of the shaft as its axis is formed on a peripheral surface of the shaft facing or abutting the opening and the guide surface.
Inventors:
SHINAGAWA TOMOHIRO
Application Number:
JP2013086376A
Publication Date:
November 13, 2014
Filing Date:
April 17, 2013
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
F16C33/66; F16C19/00; F16N7/02; F16N7/18; F16N21/02
Attorney, Agent or Firm:
Michiharu Soga
Suzuki Ken 7
Jun Kajinami
Kazuhiro Oya
Toshikazu Ueda
Junichiro Yoshida
Tomohito Iino
Suzuki Ken 7
Jun Kajinami
Kazuhiro Oya
Toshikazu Ueda
Junichiro Yoshida
Tomohito Iino