IPC 2013 : E05C 17/40 : Bars or like parts connecting a right wing with a left wing which move against each other when being closed.

IPC2013 > E > E05 > E05C > E05C 17/00 > E05C 17/40[2] > Bars or like parts connecting a right wing with a left wing which move against each other when being closed.
Notes[t] E01 - E06: BUILDING
E SECTION E — FIXED CONSTRUCTIONS.
E05 LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES.
E05C BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS (latching means for sideboard or tailgate structures for vehicles B62D 33/037; fastening devices for constructional or engineering elements E04, F16B; locks, fastening devices structurally or operatively combined or having significant cooperation with locks E05B; means for operating or controlling wing fasteners in conjunction with mechanisms for moving the wing E05F).
E05C 17/00 Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith (combined with hinges E05D 11/00; combined with operating apparatus for wings E05F; other braking devices, stops, buffers E05F 5/00).
E05C 17/40 · · Bars or like parts connecting a right wing with a left wing which move against each other when being closed.