Patents Examined by Flemminy Saether
  • Patent number: 4999019
    Abstract: A plastic part 1 for engagement with threaded bolts, especially coarsely threaded bolts, includes an opening 2 with several elastic catch points 3 which, in the zone of engagement with the threads of the bolts, are provided with stepped graduations. Guide elements are located in the interspaces between the catch points 3 and are distributed in spaced relationship over the circumference of the opening 2. The guide elements 4 are designed springy or resilient and may be, for example, resilient hollow bodies or springy stays.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: March 12, 1991
    Assignee: TRW United-Carr GmbH & Co.
    Inventor: Willibald Kraus