Patent ID: 6338602
Filing Date: 2002-01-15
Classification: F16B,Y10S

Abstract:
A hard elastic plastic retaining element for detachable fastening onto a plastic bolt of the type provided with longitudinal ribs parallel to the axis of the bolt, the retaining element comprising:a receiver cage which can be pressed onto the bolt, the cage having an inner wall which may bear against the bolt, the inner wall having at least one sharp-cornered rib directed into the interior of the cage for bearing against the bolt, the rib being formed on the inner wall transverse to the longitudinal ribs on the bolt; and a springy supporting arm formed on the opposite side of the receiver cage from the inner wall, the arm having a free end which is directed toward the opposing inner wall at an obtuse angle counter to the direction that the receiver cage is pressed down on the bolt, with the free end of the arm being provided with a sharp-cornered retaining edge, the clearance between the retaining edge and the inner wall when the arm is unstressed being less than the outer diameter of the ribbed bolt.