Patent ID: 9072342
Filing Date: 2015-07-07
Classification: A01D,A01G,A44B,A45F,B05B,F16B,Y10T

Abstract:
1. A portable work apparatus comprising: a strap having at least one fastening section; a main unit configured to be carried by an operator via said strap; a fastening surface incorporated in said main unit; a work tool; a fastening element having a pressure surface; said strap being fixed to said main unit via said fastening element in such a manner that said fastening section of said strap is held between said pressure surface of said fastening element and said fastening surface of said main unit; said fastening section of said strap having a bearing surface which faces said fastening surface; said fastening section of said strap being clamped between said pressure surface of said fastening element and said fastening surface of said main unit in a clamped position; and, said fastening surface having a friction increasing structure formed thereon coacting with said bearing surface of said fastening section of said strap so as to prevent a rotational movement of said fastening section relative to said main unit in said clamped position.