DEDUCTION AND DEDUCTION DEVICES USED ON CONSTRUCTION PRODUCTS

摘要

PCT No. PCT/FR95/00630 Sec. 371 Date Jan. 24, 1996 Sec. 102(e) Date Jan. 24, 1996 PCT Filed May 16, 1995 PCT Pub. No. WO95/32077 PCT Pub. Date Nov. 30, 1995Gripping device suitable for percussion tools of the type comprising a sleeve tube made of plastic that fits into the body of the tool, characterised in that it comprises a plastic sleeve tube (1) that is structurally flexible and comprises a plurality of large-diameter annular shapes (1.1) joined to each other by connecting shapes (1.2) of smaller cross-section to define a bellows structure with undulations, and in that, at the location of each ring, an internal circular projection (1.3) is provided that presses against the body of the tool, and in that the sleeve tube has at least one internal collar (1.4) capable of fitting and clipping inside at least one circular groove (2.1) formed on the body of the tool.