Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Reexamination Certificate
2004-05-18
2008-10-21
Hendricks, Keith D. (Department: 1794)
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
C428S546000, C428S613000, C428S614000, C428S937000, C384S912000, C384S913000
Reexamination Certificate
active
07438979
ABSTRACT:
To provide a thermal spray membrane contact material, contact member and contact part and an apparatus to which they are applied, showing excellent seizure resistance and wear resistance even under high surface pressure/low speed sliding, high speed/high temperature sliding, or high surface pressure/high speed sliding. In a bucket connecting apparatus connecting an arm and a bucket by a work implement connecting pin, the above-mentioned work implement connecting pin comprises a base material made of steel having an axis function and a contact surface formed of a thermal spray membrane contact material film-formed on the base material, said contact surface being placed at least on a supported surface site of the work implement connecting pin relative to a bracket and on a slipping contact surface with a work implement bushing, further, said thermal spray membrane contact material being composed of a Mo metal phase, or 10 vol % or more of a Mo metal phase and a metal phase and/or alloy phase containing one or more elements selected from the group consisting of Fe, Ni, Co, Cr, Cu and Zn.
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Ohnishi Tetsuo
Okamura Kazuo
Takayama Takemori
Frishauf Holtz Goodman & Chick P.C.
Hendricks Keith D.
Komatsu Ltd.
Savage Jason L
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