Patent ID: 8221041
Filing Date: 2012-07-17
Classification: F16B

Abstract:
1. A fastening arrangement for interconnecting at least a first element and a second element, comprising: a locking part, including a head plate engageable against said first element, and a foot shaft joined to said head plate and extending away from said head plate in an axial direction, said foot shaft including catch noses extending outwardly in a radial direction and engagable behind the second element, and resilient spring webs movable between a radially extended position and a radially retracted position, each said catch nose disposed on an associated spring web, each spring web including a radially outwardly extending web wing adjacent said head plate, and said foot shaft further including radially outwardly projecting bearing tenons; said first element including a receiving element for said locking part, said receiving element including an edge wall cooperating with said web wings of said spring webs and including inwardly convex portions projecting inwardly in said radial direction, and outwardly concave portions receding outwardly in said radial direction, and profiled surfaces cooperating with said bearing tenons and having first and second depressions extending in said axial direction, said locking part rotatable with respect to said first element between a mounted position and a demounted position, wherein, in said mounted position of said locking part, said bearing tenons are disposed in said first depressions and said spring webs are in said radially extended position in which said catch noses are engagable behind the second element; and wherein, in said demounted position of said locking part, said bearing tenons are disposed in said second depressions, and said web wings engage said inwardly convex portions of said edge wall to move said spring webs to said radially retracted position in which said catch noses are shifted inwardly and are out of engagement with the second element.