Patents Assigned to Brass & Bronze Mfg. Co. Ltd.
  • Patent number: 4192099
    Abstract: A swinging door assembly for securement in a door opening of an exterior telephone booth. A lintel member is secured in a top horizontal frame of the door opening. The lintel member has a pair of top pivot housings to receive and secure therein a top portion of a torsion spring bar located in a door column of a respective one of a pair of swinging doors. A pivot clamp bracket is secured to a lower portion of each vertical frame of the door opening. The pivot clamp bracket has a pivot pin which is received in a pivot hole in a lower end of a bearing bushing housing provided in each door column. A friction bearing assembly is supported about the pivot pin and in frictional engagement with a peripheral lower marginal edge of the pivot hole of the bearing bushing housing to frictionally retain a respective swinging door in a desired plane determined by the fixation of the top extension portion of the torsion bar of the respective swinging door.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: March 11, 1980
    Assignee: Brass & Bronze Mfg. Co. Ltd.
    Inventors: Paul Simko, Albert Strasser