ROLLER BIT BEARING Russian patent published in 1994 - IPC

Abstract RU 2019669 C1

FIELD: roller bits. SUBSTANCE: roller bit bearing has carrier ring 9 which is installed between rear side of disk spring 8 and spring ring 10. Ring 10 is secured in cone to its end. EFFECT: higher efficiency. 2 dwg

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RU 2 019 669 C1

Authors

Вatalov S.Р.

Izrjumov А.N.

Dates

1994-09-15—Published

1990-03-26—Filed