Patents Assigned to Hans Grzeskowiak
  • Patent number: 5930867
    Abstract: According to the invention there is provided a door fitting comprising a travelling door fitting member; a stationary door fitting member; a bolt extending between said travelling door fitting member and said stationary door fitting member and defining a swivelling axis around which said travelling door fitting member can swing around said stationary door fitting member; wherein said bolt has a first portion incorporated with a first door fitting member and a second portion incorporated with a second door fitting member, said first portion comprising a threaded portion for being threadedly engaged with said first door fitting member; wherein said threaded portion has a thread pitch of between 24 and 50 mm, preferably of between 36 and 46 mm, across an angle of 360.degree.; and wherein said threaded portion comprises 5 to 7 threads.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: August 3, 1999
    Assignee: Hans Grzeskowiak
    Inventor: Hans Grzeskowiak