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Title:
BEARING DEVICE
Document Type and Number:
WIPO Patent Application WO/2001/088395
Kind Code:
A1
Abstract:
A bearing device, wherein an arm boss (12) is connected rotatably to a bracket (13) through a connection pin (16), a sliding plate (19) is installed in a clearance between the arm boss (12) and the bracket (13), the sliding plate (19) is formed of a synthetic resin material such as ester-base urethane as an annular flat plate with a tensile strength of 35 to 270 Mpa, and both surfaces of the sliding plate (19) in the state of being assembled between the arm boss (12) and the bracket (13) come in contact slidably with the end surface (13B) of the arm boss (12) and the end surface (13B) of the bracket (13), whereby, even if a compressive load acts on the sliding plate (19), the durability and service life of the sliding plate (19) can be increased and the service life thereof can be extended.

Inventors:
SUZUKI RYOHEI (JP)
GOKITA OSAMU (JP)
SHIMAKURA SHUNSUKE (JP)
AKITA HIDEKI (JP)
ANDO NORIYUKI (JP)
Application Number:
PCT/JP2001/003990
Publication Date:
November 22, 2001
Filing Date:
May 14, 2001
Export Citation:
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Assignee:
HITACHI CONSTRUCTION MACHINERY (JP)
NIHON VALQUA KOGYO KK (JP)
SUZUKI RYOHEI (JP)
GOKITA OSAMU (JP)
SHIMAKURA SHUNSUKE (JP)
AKITA HIDEKI (JP)
ANDO NORIYUKI (JP)
International Classes:
E02F9/14; F16C11/04; F16C17/04; F16C33/20; F16C33/74; (IPC1-7): F16C33/20; E02F9/00; F16C11/04; F16C17/04; F16C33/10
Foreign References:
JPH10122235A1998-05-12
JPH11106779A1999-04-20
US5490730A1996-02-13
JPS538734B11978-03-31
Attorney, Agent or Firm:
Hirose, Kazuhiko (Nishishinjuku 3-chome Shinjuku-ku Tokyo, JP)
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