Apparatus for holding a door open

U.S. Cl. 16-51

11 Claims

US 6,499,185 B1 Apparatus for holding a door open David Moyer, Coatesville, Pa. (US); Todd Beaton, Blandon, Pa. (US); and Ricky Loose, Stevens, Pa. (US) Assigned to Dorma Door Controls, Inc, Reamstown, Pa. (US) Filed on Oct. 30, 2000, as Appl. No. 9/699,735. Int. Cl.7E05F 5/02 U.S. Cl. 168212;51 11 Claims 1. A door hold-open device comprising: a. a track; b. a slide block catch feature slidably mounted for longitudinal movement in the track; c. a stop assembly comprising: i. a stop assembly catch coupled to the track and adapted to engage the slide block catch feature wherein the stop assembly catch is moveable in a direction different than the longitudinal direction, ii. a resilient member that applies a force to the stop assembly catch to urge the stop assembly catch into a position where the stop assembly catch engages the slide block catch feature when the slide block catch feature is adjacent to the stop assembly catch; d. a linear actuator having a first position and a second position, wherein the linear actuator applies a first force to the resilient member in the first position and a second different force to the resilient member in the second position; wherein said slide block catch feature is free to travel beyond said stop assembly catch along at least a substantial portion of any remaining length of said track, thus allowing a door to open beyond said stop assembly.