Patent ID: 6318770
Filing Date: 2001-11-20
Classification: E05B,Y10S,Y10T

Abstract:
A latch assembly for attachment to a door in a door frame, the latch assembly comprising:a) a base portion for attachment to the door, the base portion for extending through the door;b) a shaft extending through the base portion for latching with respect to the door frame;c) a handle fixed to the shaft whereby the handle and shaft are at least partially rotatable with respect to the base between a first position and a second position, the handle having a head portion connecting to the shaft, a grasping portion extending from the head portion, the head portion configured for engagement with the base portion;d) a first release mechanism positioned in the head portion and having a protruding portion extending from said head portion, the first release mechanism having a release position and an interference position, the first release mechanism configured such that when in the interference position the first release mechanism interferes with the rotation of the handle and shaft with respect to the base portion, the first release mechanism further configured such that when in the release position, the handle and shaft may be rotated between the first position and the second position; ande) a second release mechanism positioned in the head portion, the second release mechanism having an engaged position and an unengaged position, the second release mechanism configured such that when in the engaged position the second release mechanism interferes with the rotation of the handle and shaft with respect to the base portion, the second release mechanism further configured such that when in the unengaged position the handle and shaft may be rotated between the first position and the second position.