Patent ID: 9605453
Date: 2017-03-28
CPC Classifications: E05B,E05C

Claim:
1. In a lockable door system, the combination comprising a) a door locking first assembly installable in a door for control of operable use to lock or unlock the door, b) friction limiting upper latch assembly including a locking plunger, and means to guide plunger travel upwardly at door top level into locking and unlocking position, there being means guiding said travel, c) said first assembly including a rotor rotatable by handle or push bar to control door locking and unlocking, and means connecting said rotor with said plunger, d) a door frame and door edge sealing means which is adjustable, to seal off against the door frame, and/or at the meeting point of two opposing doors in a pair, in closed position of the door, e) there being a stop carried by the frame and engaging said sealing means to limit and control positioning thereof, f) the door having parallel upright elongated channels at opposite upright door edges, g) and a door hinge having a channel shaped member operatively connected to and received in one of said elongated channels, and a hinge arm facing said channel shaped member and one of said door channels, in door closed position, there being a fastener interconnecting the hinge channel shaped member and a door channel shaped member and projecting within a channel defined by said door channel shaped member.