Patent ID: 7686554
Filing Date: 2010-03-30
Classification: F16B,Y10T

Abstract:
1. A combination of a screw member comprising a screw head, a threaded portion and a shank portion which is arranged between the screw head and the threaded portion and has an external diameter that is smaller than the external diameter of the threaded portion, comprising a washer comprising a pressed washer pre-form having in an un-pressed state a passage opening the diameter of which is greater than the external diameter of the threaded portion, and a sleeve, the internal diameter of which is greater than the external diameter of the threaded portion, wherein the sleeve has at least one projection which engages in a recess provided in the washer, wherein the sleeve is adapted to be pressed against the washer to define a pressed state including a reduced-diameter passage opening of the washer the diameter of which reduced-diameter passage opening is smaller than the external diameter of the threaded portion in such a manner that the sleeve and the washer are connected together and held captive on the screw member.