PERCUSSION MECHANISM Russian patent published in 2015 - IPC B25F5/00 B23B45/16 B25D15/00 B25D16/00 B25D17/00 B25B21/02 E21B1/14 

Abstract RU 2559596 C2

FIELD: instrumentation.

SUBSTANCE: invention relates to detachable percussion-type tools. Claimed mechanism comprises driven engaging element, tool holder, hammer and spring. Driven engaging element can engage with drive motor output link. Tool holder is coupled with driven engaging element to turn thereabout. Tool holder has the main body and anvil part fixed therewith to turn jointly therewith. Hammer is fitted on driven engaging element or tool holder to displace between the position of contact with anvil part and free position. Spring is arranged between driven engaging element and hammer and coupled therewith to displace said hammer to contact with anvil part. Rotation of driven engaging element about said lengthwise axis drives said hammer from said position of contact with anvil part to free position. Hammer at said free position is forced by spring and driven engaging element turn to strike at anvil part to make tool holder perform a forced turn about said lengthwise axis.

EFFECT: simplified adjustment of increased percussion impact force.

25 cl, 29 dwg

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RU 2 559 596 C2

Authors

Grand,Zherar

Dates

2015-08-10Published

2009-04-22Filed