Cutting bit for percussion tool

Details Cutting bit for percussion tool Cutting bit for percussion tool

A - Human Necessities

47

L

37/2.5

A47L 13/08 (2006.01) B25D 3/00 (2006.01) B25D 17/02 (2006.01) B44D 3/16 (2006.01) E04G 23/08 (2006.01)

Patent

CA 1064253

ABSTRACT A percussive tool is provided with a bit which comprises a shank, by which the bit is held in the tool, and a flexible blade made from a springy metal such as bainitic steel or phosphor bronze. 1.5mm has been found to be a particularly satisfactory thickness for the tip portion of the blade. Deposits of plaster, cement, caked oil and other deposits all of which can be highly resistant to removal by rigid-bladed bits from surfaces on which they have become hardened have proved surprisingly easy to remove using a springy metal blade. The new blade is also very effective in removing tiles which have been cemented to a surface.

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