To reliably prevent leakage of grease; and to prevent an obstacle to flow grease base oil by deforming a rubber made packing body.
A packing for bearing 20 is provided at a side edge of a bearing cover 14 that includes: an annular filling chamber 14b annularly formed along a gap between outer and inner rings of the bearing, and including an opening at the side edge of the bearing; and an outer filling chamber 14c partially enlarged and formed at the outside of the annular filling chamber 14b, and having an opening at the side edge of the bearing. The packing also includes a rubber made rubber plate 21 having a deformability to dispose the packing along an angular direction of the side edge of the bearing; and a plate-like reinforcing member 22 disposed at one side of the rubber plate 21.
COPYRIGHT: (C)2011,JPO&INPIT
Kazuo Nakamura
Koichi Matsuoka
Takashi Nagayama
Minoru Kitamura
Teruhiko Sunohara
Toshiba Corporation
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Tadashi Takahashi
Takashi Watanabe
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama