Patents Assigned to Gamma Stawag AG
  • Patent number: 4896648
    Abstract: On two opposite long narrow sides of a guide rail (1) of a chain saw for stone are arranged slide rails (3) of plastic. The slide rails (3) are located between the side walls (18, 19) of the guide rail. A link chain (2) consists of slide elements (6) and pairs of side guide members (7, 8) which are joined with each other through links (5). The slide elements (6) lie, on one side, on a surface (15) of the slide rail (3) and have, on the opposite side, cutting plates (4). In the slide rail (3) are arranged central coolant channels (13) which are connected with the coolant feed present in the core of the guide rail (1). The side guiding of the chain (2) is assured through the side guide members (7, 8) lying against the side surfaces (11, 12) of the slide rail (3).
    Type: Grant
    Filed: August 23, 1988
    Date of Patent: January 30, 1990
    Assignee: Gamma Stawag AG
    Inventor: Willi Boller