METHOD OF ORIENTING, ASSEMBLING AND LOCKING OF THRUST TOOL IN HOLDER BY SELF-LOCKING RETAINER WITH HELP OF LOW-WEAR ORIENTING BUSHES AND CONTROLLED LOW-WEAR THRUSTS Russian patent published in 2014 - IPC E21C35/18

Abstract RU 2533799 C2

FIELD: process engineering.

SUBSTANCE: invention relates to fitting and locking of rotary thrust tool in its holder. Proposed method consists in fitting and locking the cutter in holder by self-locking retainer. Said retainer exploits the steel spring effect and combination of the angles of bevels that retain said retainer in holder seat. Low-wear controlled bushes and thrusts take up major force at cutting and prevent jamming of the cutter in holder.

EFFECT: maximized service life.

7 dwg

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RU 2 533 799 C2

Authors

Kostjuchenko Anatolij Vital'Evich

Chernoskutov Jurij Nikolaevich

Dates

2014-11-20—Published

2012-09-04—Filed