Patent ID: 9086089
Filing Date: 2015-07-21
Classification: F16B,Y10T

Abstract:
1. A screwing device comprising: a base having a supporting surface at a first end and an end surface at a second end opposite to the first end, an insertion opening defined at the supporting surface, a threaded hole in the base extending from the insertion opening to the end surface and having a first internal diameter within the base, the threaded hole configured to receive therewithin a screw element; a first radial sealing element arranged in the region of the insertion opening and extending outwards in an axial direction of the hole away from the supporting surface; and a second radial sealing element arranged in the screwing device spaced apart from the first sealing device, wherein the threaded hole in a region of the insertion opening has, at the supporting surface, a second internal diameter greater than the first internal diameter within the base such that a receiving space is defined between the first radial sealing element and an internal surface of the insertion opening.