Nova Patents
US304545A

Untitled record

Abstract

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US304545A, drawing sheet 1
Sheet 1 of 1

4 claims: 4 independent, 0 dependent

  1. 1
    I claim— 1. The combination, with the double doors B B, of means attached to the door-frame and to the doors independent of the hinge devices of said doors, whereby one door controls the 90 other, substantially as described.
  2. 2
    In combination with the doors B B, the arms C C, provided with teeth c, and arms D, pivoted thereto and to the doors independent of their hinges, substantially as set forth. 95
  3. 3
    In combination with the door-jamb of the doors B B, pivoted to the door-jamb so as to opep in opposite directions, the closingsprings F, connected to the door and fixed portion forming part of or located adjacent to 100 the door-frame, and pivoted arms CD, connected to each other so as to operate simul· 304,545 taneously, substantially as shown, for the purpose specified.
  4. 4
    In combination with the doors B B, hinged to a door-frame so as to open in op5 posite directions, the arms D D, pivotally attached to the doors independent of the hinge devices of said door, and to the ends of the arms C C, having teeth c, said arms being pivoted to a plate attached to the upper part of a door-frame, substantially as shown, and for the purpose set forth. In testimony whereof I affix my signature in presence of two witnesses. GEORGE H. NEWELL. Witnesses:Geo. Leslie, M. F. Youxg.